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EP3782266A1 - Hybrid module having a cooling device for actively cooling a stator - Google Patents

Hybrid module having a cooling device for actively cooling a stator

Info

Publication number
EP3782266A1
EP3782266A1 EP19716287.8A EP19716287A EP3782266A1 EP 3782266 A1 EP3782266 A1 EP 3782266A1 EP 19716287 A EP19716287 A EP 19716287A EP 3782266 A1 EP3782266 A1 EP 3782266A1
Authority
EP
European Patent Office
Prior art keywords
hybrid module
coolant
blade elements
stator
cooling device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP19716287.8A
Other languages
German (de)
French (fr)
Inventor
Dominik Weis
Oliver RINK
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler Technologies AG and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schaeffler Technologies AG and Co KG filed Critical Schaeffler Technologies AG and Co KG
Publication of EP3782266A1 publication Critical patent/EP3782266A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/26—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/38—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
    • B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/40—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/40—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
    • B60K6/405—Housings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D13/00—Friction clutches
    • F16D13/58—Details
    • F16D13/72—Features relating to cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/10—Clutch systems with a plurality of fluid-actuated clutches
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/12—Details not specific to one of the before-mentioned types
    • F16D25/123—Details not specific to one of the before-mentioned types in view of cooling and lubrication
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D21/00—Systems comprising a plurality of actuated clutches
    • F16D21/02—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways
    • F16D21/06—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways at least two driving shafts or two driven shafts being concentric
    • F16D2021/0661—Hydraulically actuated multiple lamellae clutches
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/06—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch
    • F16D25/062—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces
    • F16D25/063—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially
    • F16D25/0635—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs
    • F16D25/0638—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs with more than two discs, e.g. multiple lamellae
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
    • F16D25/082—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member the line of action of the fluid-actuated members co-inciding with the axis of rotation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/108—Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction clutches

Definitions

  • the invention relates to a hybrid module for a motor vehicle, comprising a
  • the invention relates to a drive train with a hybrid module according to the invention.
  • Combustion engine operation usually include an electric motor, a disconnect clutch, their actuation system, bearings and housing components that connect the three main components to a functional unit.
  • the electric motor allows electric driving, performance gain for
  • Actuation system ensure the coupling or uncoupling of the
  • a hybrid module is combined with a dual clutch in such a way that the hybrid module is located in the torque transmission direction between the internal combustion engine and the transmission, in the vehicle the internal combustion engine, the hybrid module, must have the double clutch with its
  • Actuation systems and the transmission are arranged behind or next to each other.
  • a hybrid module with cooling is known from DE 10 2014 205 380 A1. It has a cooling device, wherein the cooling device is arranged for cooling a clutch integrated in a rotor of a hybrid module of a motor vehicle.
  • the cooling device in this case has a cooling circuit in which circulates the coolant. The circulation is realized by a Fluidumlenk issued.
  • the cooling device itself has a volume which has an effect on the overall space requirement of the hybrid module.
  • the object of the present invention is to provide a hybrid module which combines a low volume with high efficiency and service life.
  • Claim 10 for a motor vehicle provided with an internal combustion engine and a transmission which has a hybrid module according to the invention.
  • the invention relates to a hybrid module for a motor vehicle for coupling an internal combustion engine and a transmission.
  • the hybrid module comprises an electric machine, a clutch device and a cooling device.
  • the hybrid module is a module by means of which electrical energy in a
  • the hybrid module has an electric machine with a rotor, preferably an inner rotor, and a stator.
  • the coupling device is preferably a friction coupling device.
  • the cooling device is designed for cooling by the coolant absorbs heat.
  • the cooling device comprises a coolant line, in which the coolant is guided.
  • the cooling device further comprises at least one extension component radially extending blade elements which are at least indirectly rotationally fixed mechanically connected to the rotor carrier or are formed by this as integral components. Furthermore, the cooling device comprises an outlet of the coolant line, which is positioned such that from the outlet
  • escaping coolant can be supplied to the blade elements.
  • the coolant is supplied to the blade elements in such a way that the direction, the velocity and / or the size of the volume flow of the exiting coolant from the rotating blade elements is changeable such that at least a portion of the exiting coolant reaches the stator of the electric machine.
  • the rotational speed of the rotation corresponds to the
  • Rotational speed which comprises the component on which the blade elements are arranged.
  • the blade elements have a function equivalent to that of a beam breaker of a pulse sprinkler. This may cause a spray of the
  • the coolant used is a fluid.
  • the blade elements serve to redirect and distribute the coolant.
  • Coolant whose volume flow is deflected with radial component.
  • the deflection of the volume flow through the blade elements is thereby preferably in an angular range between 30 ° and 120 ° with respect to the outlet direction of the Outlet.
  • the angle is between 70 ° and 110 °, but most preferably between 85 ° and 95 °.
  • a respective blade element extends substantially in a plane which has no parallelism to the axis of rotation. Rather, the
  • Blade element at an angle to the axis of rotation, wherein the angle is not equal to 0 ° and 90 °, and preferably between 30 ° and 60 °.
  • the cooling device comprises a ring.
  • the blade elements are mechanically connected or they are formed by this as integral components.
  • the ring is mechanically connected to the rotor carrier.
  • the object according to the invention is designed such that the mechanical connection of the ring with the rotor carrier is realized via a shaft-hub connection.
  • a frictional connection between the ring and rotor carrier is provided.
  • the coolant line is formed within a housing of the hybrid module, in particular at least partially in an intermediate wall of the housing.
  • the coolant line is adapted to lead a fluid for cooling.
  • the coolant line can be a leading from the outside in the hybrid module fluid supply and / or out of the
  • the hybrid module further comprises an outlet, which is formed by an opening in the housing, in particular in the intermediate wall.
  • the hybrid module can have a bypass.
  • the bypass is a bypass of a line system of the cooling device of the hybrid module.
  • the bypass forms the end of the outlet.
  • the cooling device is arranged axially on the side of the electric machine, which faces the side for coupling an internal combustion engine. Alternatively or additionally, however, it should also not be ruled out that the cooling device is arranged on the side facing the connection of a transmission.
  • Hybrid module preferably has the cooling device at least fifty
  • Shovel elements on Preferably, all blade elements are arranged distributed on a circumference.
  • the blade elements are preferably arranged at the same distance.
  • the circumference on which the vane elements are arranged may be formed from the radially outer side of the rotor carrier and located radially inside the electric machine. The arrangement of at least fifty blade elements in a simple manner, the generation of a fine
  • the object is also achieved by a drive train for a
  • the drive train comprises a
  • the hybrid module is connected to the internal combustion engine and the transmission mechanically via couplings of the hybrid module or connected.
  • Fig. 2 shows a ring in perspective view, on which blade elements are formed
  • Fig. 3 shows the cross section of the hybrid module with the coolant path.
  • the hybrid module 1 shown has an electric machine, comprising a stator 15 and a rotor 16, which is fastened on a rotatable rotor carrier 17. Radially within the rotor carrier 17, a separating clutch 21 and a dual clutch device with two partial clutches 22 and 23 are integrated.
  • the input side of the disconnect clutch 21 is coupled to a hybrid module input shaft 24, to which a vibration damper 20 for reducing vibrations, which is connected by a (not shown here)
  • the output side of the separating clutch 21 is non-rotatably coupled to the rotor carrier 17.
  • the two partial clutches 22 and 23 are adapted to each
  • the blade elements 31 are arranged on one axial side of the rotor carrier 17, here on the side of the connection of an internal combustion engine M. Is possible also an alternative in which the blade elements 31 on the side of the
  • Hybrid module 1 has a housing 5.
  • the housing 5 forms a coolant line 1 1 at least partially in an intermediate wall 6.
  • the coolant line 1 1 is arranged in the housing 5 such that it realizes a transport of a coolant from outside into the hybrid module 1 on a coolant path 10.
  • Coolant line 1 1 also passes the coolant through the housing 5 in the
  • Partition 6 The transport of the coolant into the interior of the electric machine takes place via a bypass 12, which is formed in the coolant line 1 1.
  • the bypass 12 ends at an outlet 13, from which the coolant exits in a substantially defined direction in the space radially bounded by the rotor carrier 17.
  • the intermediate wall 6 is formed in the axial direction between the electric machine and the vibration damper 20, wherein the vibration damper 20 on the side of the connection of a
  • Internal combustion engine M of the hybrid module 1 is formed.
  • FIG. 2 shows a ring 30 on which the blade elements 31
  • the ring 30 in this case has an inner radius, which essentially corresponds to the radius of the radially outer side of the rotor carrier 17, so that the ring 30 can be arranged on the rotor carrier 17 mechanically positively and / or non-positively, that torque from the rotor carrier 17th is transferable to the ring 30.
  • the blade elements 31 are formed on the radially outer side of the ring 30, the blade elements 31 are formed.
  • the blade elements 31 are rotationally fixed connected to the ring 30 or are formed by this as integral components.
  • a respective blade element 31 extends substantially in a plane, the plane having no parallelism to the axis of rotation of the ring 30. Rather, the plane of extent of a respective blade element 31 has an angle to the axis of rotation of the hybrid module. In particular, the angle is between 0 ° and 90 °, preferably between 30 ° and 60 °.
  • FIG 3 the cross section of the hybrid module, which has been described in Figure 1, now continue a coolant path 10.
  • the coolant path 10 is the According to the invention, a part of the coolant path 10 extends as a bypass 12 to the outlet 13 and to the blade elements 31, from where the coolant is deflected via the blade elements 31 to the stator 15.
  • a coolant is guided in the coolant line 11 and moves there along the coolant path 10.
  • the coolant flows through the housing 5 and through the intermediate wall 6, where the volume flow of the
  • Coolant is shared. Proportionally, the coolant flows through the intermediate wall 6 on and then to the separating clutch 21 to cool it. A second subset of the coolant flows via the bypass 12 and its outlet 13 into the interior of the electric machine, namely the blade elements 31.
  • Blade elements 31 during operation of the electric machine about the axis of rotation of the rotor carrier 17.
  • the incident on the rotating blade elements 31 coolant is deflected to the stator 15 radially outward.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Power Engineering (AREA)
  • Hybrid Electric Vehicles (AREA)

Abstract

The invention relates to: a hybrid module for a motor vehicle, comprising an electric machine having a stator and a rotor, as well as comprising a clutch device and a cooling device for cooling; and a drive train comprising a hybrid module of this type. The cooling device of the hybrid module (1) functions to cool a stator (15) of the electric machine and comprises blade elements (31) radially extending with at least one extension component, which blade elements are mechanically rotationally fixed to the rotor carrier (17) or are formed from same as an integral component, as well as comprising an outlet (13) via which coolant can be supplied to the blade elements (31), such that the direction, speed and/or the size of the volume flow of the exiting coolant can be altered by the rotating rotating blade elements (31) in such a way that at least one portion of the exiting coolant reaches the stator (15) of the electric machine. With the hybrid module according to the invention, a device is provided which permits an active cooling of the stator of the electric machine with minimised volume requirements.

Description

Hybridmodul mit einer Kühlvorrichtung zur aktiven Kühlung eines Stators  Hybrid module with a cooling device for the active cooling of a stator
Die Erfindung betrifft ein Hybridmodul für ein Kraftfahrzeug, umfassend eine The invention relates to a hybrid module for a motor vehicle, comprising a
elektrische Maschine mit einem Stator sowie einem Rotor, eine Kupplungseinrichtung und eine Kühlvorrichtung. Des Weiteren betrifft die Erfindung einen Antriebsstrang mit einem erfindungsgemäßen Hybridmodul. electric machine with a stator and a rotor, a coupling device and a cooling device. Furthermore, the invention relates to a drive train with a hybrid module according to the invention.
Zurzeit erhältliche Hybridmodule, die durch Ankopplung eines Verbrennungsmotors an einen Antriebsstrang eines Fahrzeugs einen Elektromotorbetrieb mit einem Currently available hybrid modules by coupling an internal combustion engine to a drive train of a vehicle an electric motor operation with a
Verbrennungsmotorbetrieb kombinieren können, weisen meist einen Elektromotor, eine Trennkupplung, deren Betätigungssystem, Lager und Gehäusekomponenten auf, die die drei Hauptkomponenten zu einer funktionstüchtigen Einheit verbinden. Combustion engine operation usually include an electric motor, a disconnect clutch, their actuation system, bearings and housing components that connect the three main components to a functional unit.
Der Elektromotor ermöglicht das elektrische Fahren, Leistungszuwachs zum  The electric motor allows electric driving, performance gain for
Verbrennungsmotorbetrieb und Rekuperieren. Die Trennkupplung und deren Internal combustion engine operation and recuperation. The separating clutch and their
Betätigungssystem sorgen für das Ankuppeln oder Abkuppeln des Actuation system ensure the coupling or uncoupling of the
Verbrennungsmotors. Wenn ein Hybridmodul mit einer Doppelkupplung derart kombiniert wird, dass sich das Hybridmodul in Drehmomentübertragungsrichtung zwischen Verbrennungsmotor und Getriebe befindet, müssen im Fahrzeug der Verbrennungsmotor, das Hybridmodul, die Doppelkupplung mit ihren Combustion engine. If a hybrid module is combined with a dual clutch in such a way that the hybrid module is located in the torque transmission direction between the internal combustion engine and the transmission, in the vehicle the internal combustion engine, the hybrid module, must have the double clutch with its
Betätigungssystemen und das Getriebe hinter- oder nebeneinander angeordnet werden. Actuation systems and the transmission are arranged behind or next to each other.
Es ist bekannt, dass sich zu hohe Temperaturen nachteilig auf die Effizienz der elektrischen Maschine eines Hybridmoduls auswirken.  It is known that too high temperatures adversely affect the efficiency of the electric machine of a hybrid module.
Ein Hybridmodul mit Kühlung ist aus der DE 10 2014 205 380 A1 bekannt. Es weist eine Kühlvorrichtung auf, wobei die Kühlvorrichtung zur Kühlung einer in einem Rotor eines Hybridmoduls eines Kraftfahrzeugs integrierten Kupplung eingerichtet ist. Die Kühlvorrichtung weist dabei einen Kühlkreislauf auf, in welchem das Kühlmittel zirkuliert. Die Zirkulation wird durch eine Fluidumlenkeinrichtung realisiert. Allerding weist die Kühlvorrichtung selbst ein Volumen auf, welches sich auf den gesamten Bauraumbedarf des Hybridmoduls auswirkt. A hybrid module with cooling is known from DE 10 2014 205 380 A1. It has a cooling device, wherein the cooling device is arranged for cooling a clutch integrated in a rotor of a hybrid module of a motor vehicle. The cooling device in this case has a cooling circuit in which circulates the coolant. The circulation is realized by a Fluidumlenkeinrichtung. However, the cooling device itself has a volume which has an effect on the overall space requirement of the hybrid module.
Hiervon ausgehend liegt der vorliegenden Erfindung die Aufgabe zugrunde, ein Hybridmodul zur Verfügung zu stellen, welches ein geringes Volumen mit hoher Effizienz und Lebensdauer verbindet. On this basis, the object of the present invention is to provide a hybrid module which combines a low volume with high efficiency and service life.
Die Aufgabe wird durch das erfindungsgemäße Hybridmodul für ein Kraftfahrzeug nach Anspruch 1 gelöst. Vorteilhafte Ausgestaltungen des Hybridmoduls sind in den Unteransprüchen 2-9 angegeben. Ergänzend wird ein Antriebsstrang gemäß The object is achieved by the hybrid module according to the invention for a motor vehicle according to claim 1. Advantageous embodiments of the hybrid module are given in the dependent claims 2-9. In addition, a powertrain according to
Anspruch 10 für ein Kraftfahrzeug mit einer Verbrennungskraftmaschine und einem Getriebe zur Verfügung gestellt, welcher ein erfindungsgemäßes Hybridmodul aufweist. Claim 10 for a motor vehicle provided with an internal combustion engine and a transmission, which has a hybrid module according to the invention.
Die Merkmale der Ansprüche können in jeglicher technisch sinnvollen Art und Weise kombiniert werden, wobei hierzu auch die Erläuterungen aus der nachfolgenden Beschreibung sowie Merkmale aus den Figuren hinzugezogen werden können, die ergänzende Ausgestaltungen der Erfindung umfassen. The features of the claims may be combined in any technically meaningful manner, for which purpose the explanations of the following description as well as features of the figures may be consulted which comprise additional embodiments of the invention.
Die Begriffe„radial“ und„axial“ beziehen sich im Rahmen der vorliegenden Erfindung immer auf die Drehachse des Hybridmoduls. The terms "radial" and "axial" in the context of the present invention always refer to the axis of rotation of the hybrid module.
Die Erfindung betrifft ein Hybridmodul für ein Kraftfahrzeug zum Ankoppeln einer Verbrennungskraftmaschine sowie eines Getriebes. Das Hybridmodul umfasst eine elektrische Maschine, eine Kupplungseinrichtung und eine Kühlvorrichtung. The invention relates to a hybrid module for a motor vehicle for coupling an internal combustion engine and a transmission. The hybrid module comprises an electric machine, a clutch device and a cooling device.
Das Hybridmodul ist ein Modul, mittels welchem elektrische Energie in ein  The hybrid module is a module by means of which electrical energy in a
Drehmoment umgewandelt auf eine Antriebswelle übertragbar ist, wobei die Torque converted to a drive shaft is transferable, the
Antriebswelle außerdem von einer Brennkraftmaschine mit einem Drehmoment beaufschlagbar ist. Das Hybridmodul weist eine elektrische Maschine mit einem Rotor, bevorzugt ein Innenläufer, und einen Stator auf. Drive shaft is also acted upon by an internal combustion engine with a torque. The hybrid module has an electric machine with a rotor, preferably an inner rotor, and a stator.
Die Kupplungseinrichtung ist bevorzugt eine Reibkupplungseinrichtung. Die Kühlvorrichtung ist zur Kühlung eingerichtet, indem das Kühlmittel Wärme aufnimmt. Dabei umfasst die Kühlvorrichtung eine Kühlmittelleitung, in welcher das Kühlmittel geführt wird. The coupling device is preferably a friction coupling device. The cooling device is designed for cooling by the coolant absorbs heat. In this case, the cooling device comprises a coolant line, in which the coolant is guided.
Die Kühlvorrichtung umfasst weiterhin mit wenigstens einer Erstreckungskomponente sich radial erstreckende Schaufelelemente, welche zumindest mittelbar rotationsfest mechanisch mit dem Rotorträger verbunden sind oder von diesem als integrale Bestandteile ausgebildet sind. Weiterhin umfasst die Kühlvorrichtung einen Auslass der Kühlmittelleitung, welcher derart positioniert ist, dass aus dem Auslass  The cooling device further comprises at least one extension component radially extending blade elements which are at least indirectly rotationally fixed mechanically connected to the rotor carrier or are formed by this as integral components. Furthermore, the cooling device comprises an outlet of the coolant line, which is positioned such that from the outlet
austretendes Kühlmittel den Schaufelelementen zuführbar ist. Das Kühlmittel wird den Schaufelelementen dabei derart zugeführt, dass die Richtung, die Geschwindigkeit und/oder die Größe des Volumenstroms des austretenden Kühlmittels von den rotierenden Schaufelelementen derart änderbar ist, dass zumindest ein Teil des austretenden Kühlmittels auf den Stator der elektrischen Maschine gelangt. escaping coolant can be supplied to the blade elements. The coolant is supplied to the blade elements in such a way that the direction, the velocity and / or the size of the volume flow of the exiting coolant from the rotating blade elements is changeable such that at least a portion of the exiting coolant reaches the stator of the electric machine.
Das bedeutet, dass austretendes Kühlmittel von den Schaufelelementen bei deren Rotation nach radial außen und/oder mit axialer Komponente umgelenkt bzw.  This means that escaping coolant is deflected by the blade elements during their rotation radially outward and / or with axial component or
verspritzt wird. Die Drehgeschwindigkeit der Rotation entspricht dabei der is sprayed. The rotational speed of the rotation corresponds to the
Drehgeschwindigkeit, welche das Bauteil, auf dem die Schaufelelemente angeordnet sind, aufweist. Die Schaufelelemente weisen dabei eine Funktion äquivalent der eines Strahlenbrechers eines Impulsregners auf. Dadurch kann ein Sprühnebel des Rotational speed, which comprises the component on which the blade elements are arranged. The blade elements have a function equivalent to that of a beam breaker of a pulse sprinkler. This may cause a spray of the
Kühlmittels erzeugt werden, dessen flüssige Partikel sich auf dem Stator absetzen können, um diesen zu kühlen. Can be generated coolant whose liquid particles can settle on the stator to cool it.
Derart lässt sich effizient eine Verteilung des Kühlmittels und demzufolge eine  In this way, it is possible to efficiently distribute the coolant and, consequently, one
Kühlung umliegender thermisch belasteter Bauteile gewährleisten. Ensure cooling of surrounding thermally loaded components.
Vorzugsweise ist das verwendete Kühlmittel ein Fluid. Preferably, the coolant used is a fluid.
Erfindungsgemäß dienen die Schaufelelemente dazu, das Kühlmittel umzulenken und zu verteilen. Durch eine Reflexion des auf die Schaufelelemente auftreffenden According to the invention, the blade elements serve to redirect and distribute the coolant. By a reflection of the impinging on the blade elements
Kühlmittels wird dessen Volumenstrom mit radialer Komponente umgelenkt. Die Ablenkung des Volumenstroms durch die Schaufelelemente liegt dabei vorzugweise in einem Winkelbereich zwischen 30° und 120° in Bezug zur Austrittsrichtung aus dem Auslass. Insbesondere beträgt der Winkel zwischen 70° und 110°, am meisten bevorzugt jedoch zwischen 85° und 95°. Coolant whose volume flow is deflected with radial component. The deflection of the volume flow through the blade elements is thereby preferably in an angular range between 30 ° and 120 ° with respect to the outlet direction of the Outlet. In particular, the angle is between 70 ° and 110 °, but most preferably between 85 ° and 95 °.
Ein jeweiliges Schaufelelement erstreckt sich dabei im Wesentlichen in einer Ebene, die keine Parallelität zur Rotationsachse aufweist. Vielmehr weist die  A respective blade element extends substantially in a plane which has no parallelism to the axis of rotation. Rather, the
Erstreckungsebene eines jeweiligen Schaufelelements einen Winkel zur Extension plane of a respective blade element at an angle to
Rotationsachse auf. Bevorzugt weist die Erstreckungsebene eines jeweiligen Rotation axis on. Preferably, the plane of extent of a respective
Schaufelelements einen Winkel zur Rotationsachse auf, wobei der Winkel ungleich 0° und 90° ist und bevorzugt zwischen 30° und 60° beträgt. Blade element at an angle to the axis of rotation, wherein the angle is not equal to 0 ° and 90 °, and preferably between 30 ° and 60 °.
In einer weiteren erfindungsgemäßen Ausgestaltung des Hybridmoduls umfasst die Kühlvorrichtung einen Ring. Mit diesem Ring sind die Schaufelelemente mechanisch verbunden oder sie werden von diesem als integrale Bestandteile ausgebildet. Der Ring ist dabei mechanisch mit dem Rotorträger verbunden. In a further embodiment of the hybrid module according to the invention, the cooling device comprises a ring. With this ring, the blade elements are mechanically connected or they are formed by this as integral components. The ring is mechanically connected to the rotor carrier.
Ergänzend ist der erfindungsgemäße Gegenstand derart ausgebildet, dass die mechanische Verbindung des Rings mit dem Rotorträger über eine Welle-Nabe- Verbindung realisiert ist. Alternativ ist eine kraftschlüssige Verbindung zwischen Ring und Rotorträger vorgesehen. In addition, the object according to the invention is designed such that the mechanical connection of the ring with the rotor carrier is realized via a shaft-hub connection. Alternatively, a frictional connection between the ring and rotor carrier is provided.
In einer weiteren erfindungsgemäßen Ausgestaltung ist die Kühlmittelleitung innerhalb eines Gehäuses des Hybridmoduls, insbesondere zumindest bereichsweise in einer Zwischenwand des Gehäuses, ausgebildet. Die Kühlmittelleitung ist dazu eingerichtet, ein Fluid zur Kühlung zu führen. Weiterhin kann die Kühlmittelleitung eine von außen in das Hybridmodul führende Fluidzufuhr und/oder eine nach außen aus dem In a further embodiment according to the invention, the coolant line is formed within a housing of the hybrid module, in particular at least partially in an intermediate wall of the housing. The coolant line is adapted to lead a fluid for cooling. Furthermore, the coolant line can be a leading from the outside in the hybrid module fluid supply and / or out of the
Hybridmodul führende Fluidabfuhr aufweisen. Hybrid module leading fluid removal.
Vorzugsweise weist das Hybridmodul weiterhin einen Auslass auf, welcher durch eine Öffnung im Gehäuse, insbesondere in der Zwischenwand, ausgebildet ist. Preferably, the hybrid module further comprises an outlet, which is formed by an opening in the housing, in particular in the intermediate wall.
Ergänzend zum Auslass kann das Hybridmodul einen Bypass aufweisen. Der Bypass ist dabei ein Bypass eines Leitungssystems der Kühlvorrichtung des Hybridmoduls. Der Bypass bildet endseitig den Auslass aus. In einer weiteren Ausführungsvariante des erfindungsgemäßen Hybridmoduls ist die Kühlvorrichtung axial an der Seite der elektrischen Maschine angeordnet, welche der Seite zum Ankoppeln einer Verbrennungskraftmaschine zugewandt ist. Alternativ oder zusätzlich soll jedoch auch nicht ausgeschlossen sein, dass die Kühlvorrichtung auf der dem Anschluss eines Getriebes zugewandten Seite angeordnet ist. In addition to the outlet, the hybrid module can have a bypass. The bypass is a bypass of a line system of the cooling device of the hybrid module. The bypass forms the end of the outlet. In a further embodiment of the hybrid module according to the invention, the cooling device is arranged axially on the side of the electric machine, which faces the side for coupling an internal combustion engine. Alternatively or additionally, however, it should also not be ruled out that the cooling device is arranged on the side facing the connection of a transmission.
In einer einfachen und stabilen Ausführungsform des erfindungsgemäßen In a simple and stable embodiment of the invention
Hybridmoduls weist die Kühlvorrichtung vorzugsweise mindestens fünfzig Hybrid module preferably has the cooling device at least fifty
Schaufelelemente auf. Vorzugsweise alle Schaufelelemente sind auf einem Umfang verteilt angeordnet. Die Schaufelelemente sind dabei bevorzugt gleich beabstandet angeordnet. Der Umfang, auf dem die Schaufelelemente angeordnet sind, kann von der radial äußeren Seite des Rotorträgers ausgebildet sein und sich radial innerhalb der elektrischen Maschine befinden. Durch die Anordnung von mindestens fünfzig Schaufelelementen wird auf eine einfache Weise die Erzeugung eines feinen Shovel elements on. Preferably, all blade elements are arranged distributed on a circumference. The blade elements are preferably arranged at the same distance. The circumference on which the vane elements are arranged may be formed from the radially outer side of the rotor carrier and located radially inside the electric machine. The arrangement of at least fifty blade elements in a simple manner, the generation of a fine
Sprühnebels gewährleistet. Ensures spray mist.
Die Aufgabe wird zudem erfindungsgemäß durch einen Antriebsstrang für ein The object is also achieved by a drive train for a
Kraftfahrzeug gelöst. Der Antriebsstrang umfasst dabei eine Motor vehicle solved. The drive train comprises a
Verbrennungskraftmaschine und ein erfindungsgemäßes Hybridmodul sowie ein Getriebe. Das Hybridmodul ist dabei mit der Verbrennungskraftmaschine und dem Getriebe mechanisch über Kupplungen des Hybridmoduls verbindbar oder verbunden. Internal combustion engine and a hybrid module according to the invention and a transmission. The hybrid module is connected to the internal combustion engine and the transmission mechanically via couplings of the hybrid module or connected.
Die oben beschriebene Erfindung wird nachfolgend vor dem betreffenden technischen Hintergrund unter Bezugnahme auf die zugehörigen Zeichnungen, welche bevorzugte Ausgestaltungen zeigen, detailliert erläutert. Die Erfindung wird durch die rein schematischen Zeichnungen in keiner Weise beschränkt, wobei anzumerken ist, dass die in den Zeichnungen gezeigten Ausführungsbeispiele nicht auf die dargestellten Maße eingeschränkt sind. Im Folgenden zeigen mögliche Ausführungsbeispiele der Erfindung in den Figuren 1 und 3 das Hybridmodul und den Kühlmittelpfad und erfindungsgemäß in Figur 2 einen Ring, welcher Schaufelelemente ausbildet, wobei in The above-described invention will be explained in detail in the background of the relevant technical background with reference to the accompanying drawings, which show preferred embodiments. The invention is not limited by the purely schematic drawings in any way, it being noted that the embodiments shown in the drawings are not limited to the dimensions shown. In the following, possible embodiments of the invention in Figures 1 and 3 show the hybrid module and the coolant path and according to the invention in Figure 2 a ring which forms blade elements, wherein in
Fig. 1 ein Querschnitt des Aufbaus des Hybridmoduls dargestellt ist, 1 is a cross-section of the structure of the hybrid module is shown,
Fig. 2 einen Ring in perspektivischer Ansicht darstellt, an welchem Schaufelelemente ausgebildet sind und Fig. 2 shows a ring in perspective view, on which blade elements are formed and
Fig. 3 den Querschnitt des Hybridmoduls mit dem Kühlmittelpfad zeigt. Fig. 3 shows the cross section of the hybrid module with the coolant path.
Es folgt die Erläuterung der Erfindung anhand der Zeichnungen nach Aufbau und ggf. auch nach Wirkungsweise der dargestellten Erfindung. There follows the explanation of the invention with reference to the drawings according to the structure and possibly also after the operation of the illustrated invention.
Zunächst wird der allgemeine Aufbau des erfindungsgemäßen Hybridmoduls 1 anhand der Figur 1 beschrieben. First, the general structure of the hybrid module 1 according to the invention will be described with reference to FIG.
Das dargestellte Hybridmodul 1 weist eine elektrische Maschine, umfassend einen Stator 15 und einen Rotor 16, auf, der auf einem rotierbaren Rotorträger 17 befestigt ist. Radial innerhalb des Rotorträgers 17 sind eine Trennkupplung 21 sowie eine Doppelkupplungsvorrichtung mit zwei Teilkupplungen 22 und 23 integriert.  The hybrid module 1 shown has an electric machine, comprising a stator 15 and a rotor 16, which is fastened on a rotatable rotor carrier 17. Radially within the rotor carrier 17, a separating clutch 21 and a dual clutch device with two partial clutches 22 and 23 are integrated.
Die Eingangsseite der Trennkupplung 21 ist mit einer Hybridmoduleingangswelle 24 gekoppelt, mit der ein Schwingungsdämpfer 20 zur Minderung von Schwingungen, welche von einer (hier nicht dargestellten) angeschlossenen  The input side of the disconnect clutch 21 is coupled to a hybrid module input shaft 24, to which a vibration damper 20 for reducing vibrations, which is connected by a (not shown here)
Verbrennungskraftmaschine eingetragen werden, mechanisch verbunden ist. Internal combustion engine to be registered, mechanically connected.
Weiterhin ist die Ausgangsseite der Trennkupplung 21 drehfest mit dem Rotorträger 17 gekoppelt. Furthermore, the output side of the separating clutch 21 is non-rotatably coupled to the rotor carrier 17.
Die beiden Teilkupplungen 22 und 23 sind dazu eingerichtet, mit jeweiligen  The two partial clutches 22 and 23 are adapted to each
Profilverzahnungen mit jeweils einer (hier nicht dargestellten) Getriebeeingangswelle gekoppelt zu werden. To be coupled splines each having a (not shown) transmission input shaft.
Die Schaufelelemente 31 sind an einer axialen Seite des Rotorträgers 17, hier an der Seite des Anschlusses einer Verbrennungskraftmaschine M, angeordnet. Möglich ist auch eine Alternative, in welcher die Schaufelelemente 31 auf der Seite des The blade elements 31 are arranged on one axial side of the rotor carrier 17, here on the side of the connection of an internal combustion engine M. Is possible also an alternative in which the blade elements 31 on the side of the
Anschlusses eines Getriebes G des Rotorträgers 17 angeordnet sind. Das Connection of a transmission G of the rotor carrier 17 are arranged. The
Hybridmodul 1 weist ein Gehäuse 5 auf. Das Gehäuse 5 bildet eine Kühlmittelleitung 1 1 zumindest bereichsweise in einer Zwischenwand 6 aus. Die Kühlmittelleitung 1 1 ist dabei derart im Gehäuse 5 angeordnet, dass sie auf einem Kühlmittelpfad 10 einen Transport eines Kühlmittels von außen in das Hybridmodul 1 realisiert. Die Hybrid module 1 has a housing 5. The housing 5 forms a coolant line 1 1 at least partially in an intermediate wall 6. The coolant line 1 1 is arranged in the housing 5 such that it realizes a transport of a coolant from outside into the hybrid module 1 on a coolant path 10. The
Kühlmittelleitung 1 1 leitet weiterhin das Kühlmittel durch das Gehäuse 5 in die Coolant line 1 1 also passes the coolant through the housing 5 in the
Zwischenwand 6. Der Transport des Kühlmittels in den Innenraum der elektrischen Maschine findet über einen Bypass 12 statt, welcher in der Kühlmittelleitung 1 1 ausgebildet ist. Der Bypass 12 endet dabei an einem Auslass 13, aus dem das Kühlmittel mit einer im Wesentlichen definierten Richtung in den vom Rotorträger 17 radial begrenzten Raum austritt. Die Zwischenwand 6 ist dabei in axialer Richtung zwischen der elektrischen Maschine und dem Schwingungsdämpfer 20 ausgebildet, wobei der Schwingungsdämpfer 20 auf der Seite des Anschlusses einer Partition 6. The transport of the coolant into the interior of the electric machine takes place via a bypass 12, which is formed in the coolant line 1 1. The bypass 12 ends at an outlet 13, from which the coolant exits in a substantially defined direction in the space radially bounded by the rotor carrier 17. The intermediate wall 6 is formed in the axial direction between the electric machine and the vibration damper 20, wherein the vibration damper 20 on the side of the connection of a
Verbrennungskraftmaschine M des Hybridmoduls 1 ausgebildet ist. Internal combustion engine M of the hybrid module 1 is formed.
In Figur 2 ist ein Ring 30 dargestellt, an welchem die Schaufelelemente 31 FIG. 2 shows a ring 30 on which the blade elements 31
ausgebildet sind. Der Ring 30 weist dabei einen inneren Radius auf, welcher im Wesentlichen dem Radius der radial äußeren Seite des Rotorträgers 17 entspricht, so dass der Ring 30 auf dem Rotorträger 17 mechanisch derart form- und/oder kraftschlüssig angeordnet werden kann, dass Drehmoment vom Rotorträger 17 auf den Ring 30 übertragbar ist. Auf der radial äußeren Seite des Rings 30 sind die Schaufelelemente 31 ausgebildet. Die Schaufelelemente 31 sind dabei rotationsfest mit dem Ring 30 verbunden oder werden von diesem als integrale Bestandteile ausgebildet. Ein jeweiliges Schaufelelement 31 erstreckt sich dabei im Wesentlichen in einer Ebene, wobei die Ebene keine Parallelität zur Rotationsachse des Rings 30 aufweist. Vielmehr weist die Erstreckungsebene eines jeweiligen Schaufelelements 31 einen Winkel zur Rotationsachse des Hybridmoduls auf. Insbesondere beträgt der Winkel zwischen 0° und 90°, bevorzugt zwischen 30° und 60°. are formed. The ring 30 in this case has an inner radius, which essentially corresponds to the radius of the radially outer side of the rotor carrier 17, so that the ring 30 can be arranged on the rotor carrier 17 mechanically positively and / or non-positively, that torque from the rotor carrier 17th is transferable to the ring 30. On the radially outer side of the ring 30, the blade elements 31 are formed. The blade elements 31 are rotationally fixed connected to the ring 30 or are formed by this as integral components. A respective blade element 31 extends substantially in a plane, the plane having no parallelism to the axis of rotation of the ring 30. Rather, the plane of extent of a respective blade element 31 has an angle to the axis of rotation of the hybrid module. In particular, the angle is between 0 ° and 90 °, preferably between 30 ° and 60 °.
In Figur 3 zeigt der Querschnitt des Hybridmoduls, welches in Figur 1 beschrieben wurde, nun weiterhin einen Kühlmittelpfad 10. Der Kühlmittelpfad 10 stellt dabei den Weg der Bewegung des Kühlmittels durch das Hybridmodul 1 dar. Erfindungsgemäß verläuft ein Teil des Kühlmittelpfades 10 als Bypass 12 bis zum Auslass 13 und an die Schaufelelemente 31 , von wo das Kühlmittelt über die Schaufelelemente 31 auf den Stator 15 abgelenkt wird. In Figure 3, the cross section of the hybrid module, which has been described in Figure 1, now continue a coolant path 10. The coolant path 10 is the According to the invention, a part of the coolant path 10 extends as a bypass 12 to the outlet 13 and to the blade elements 31, from where the coolant is deflected via the blade elements 31 to the stator 15.
Im Betrieb der Erfindung wird also ein Kühlmittel in der Kühlmittelleitung 11 geführt und bewegt sich dort entlang des Kühlmittelpfads 10. Das Kühlmittel strömt durch das Gehäuse 5 bzw. durch dessen Zwischenwand 6, wo der Volumenstrom des In the operation of the invention, therefore, a coolant is guided in the coolant line 11 and moves there along the coolant path 10. The coolant flows through the housing 5 and through the intermediate wall 6, where the volume flow of the
Kühlmittels geteilt wird. Anteilig fließt das Kühlmittel durch die Zwischenwand 6 weiter und anschließend zur Trennkupplung 21 , um diese zu kühlen. Eine zweite Teilmenge des Kühlmittels fließt über den Bypass 12 und dessen Auslass 13 in den Innenraum der elektrischen Maschine, nämlich auf die Schaufelelemente 31. Durch die zumindest mittelbare mechanische Verbindung, welche auch ein Drehmoment überträgt, zwischen den Schaufelelementen 31 und dem Rotorträger 17 rotieren die Coolant is shared. Proportionally, the coolant flows through the intermediate wall 6 on and then to the separating clutch 21 to cool it. A second subset of the coolant flows via the bypass 12 and its outlet 13 into the interior of the electric machine, namely the blade elements 31. The at least indirect mechanical connection, which also transmits a torque, between the blade elements 31 and the rotor carrier 17
Schaufelelemente 31 bei Betrieb der elektrischen Maschine um die Rotationsachse des Rotorträgers 17. Das auf die rotierenden Schaufelelemente 31 auftreffende Kühlmittel wird auf den Stator 15 nach radial außen abgelenkt. Blade elements 31 during operation of the electric machine about the axis of rotation of the rotor carrier 17. The incident on the rotating blade elements 31 coolant is deflected to the stator 15 radially outward.
Mit dem hier vorgeschlagenen Hybridmodul wird eine Einrichtung zur Verfügung gestellt, die eine aktive Kühlung des Stators der elektrischen Maschine mit With the hybrid module proposed here, a device is provided which provides an active cooling of the stator of the electric machine
minimiertem Volumenbedarf ermöglicht. minimized volume required.
Bezuqszeichenliste LIST OF REFERENCES
1 Hybridmodul  1 hybrid module
5 Gehäuse  5 housing
6 Zwischenwand  6 intermediate wall
10 Kühlmittelpfad  10 coolant path
1 1 Kühlmittelleitung  1 1 coolant line
12 Bypass  12 bypass
13 Auslass  13 outlet
15 Stator  15 stator
16 Rotor  16 rotor
17 Rotorträger  17 rotor carrier
20 Schwingungsdämpfer  20 vibration absorbers
21 Trennkupplung  21 separating clutch
22 erste Teilkupplung  22 first part clutch
23 zweite Teilkupplung  23 second part clutch
24 Hybridmodul-Eingangswelle  24 hybrid module input shaft
30 Ring  30 ring
31 Schaufelelement  31 blade element
M Seite des Anschlusses einer Verbrennungskraftmaschine M side of the connection of an internal combustion engine
G Seite des Anschlusses eines Getriebes G side of the connection of a gearbox

Claims

Patentansprüche claims
1. Hybridmodul (1 ) für ein Kraftfahrzeug zum Ankoppeln einer 1. hybrid module (1) for a motor vehicle for coupling a
Verbrennungskraftmaschine sowie eines Getriebes, umfassend eine elektrische Maschine mit einem Stator (15) sowie einem auf einem Rotorträger (17) um eine Rotationsachse drehbeweglich gelagerten Rotor (16) sowie eine  Internal combustion engine and a transmission, comprising an electric machine with a stator (15) and on a rotor carrier (17) rotatably mounted about a rotation axis rotatably mounted rotor (16) and a
Kupplungseinrichtung, insbesondere eine Reibkupplungseinrichtung, und umfassend eine Kühlvorrichtung zur Kühlung eines Stators (15) der elektrischen Maschine, die zumindest eine Kühlmittelleitung (11 ) umfasst,  Coupling device, in particular a friction clutch device, and comprising a cooling device for cooling a stator (15) of the electric machine, which comprises at least one coolant line (11),
dadurch gekennzeichnet,  characterized,
dass die Kühlvorrichtung mit wenigstens einer Erstreckungskomponente sich radial erstreckende Schaufelelemente (31 ) aufweist, welche rotationsfest mechanisch mit dem Rotorträger (17) verbunden sind oder von diesem als integrale Bestandteile ausgebildet sind und ein Auslass (13) der Kühlmittelleitung (11 ) derart positioniert ist, dass aus dem Auslass (13) austretendes Kühlmittel den Schaufelelementen (31 ) zuführbar ist, so dass die Richtung, die Geschwindigkeit und/oder die Größe des Volumenstroms des austretenden Kühlmittels von den rotierenden  the cooling device having at least one extension component has radially extending blade elements (31) which are rotationally fixedly connected to the rotor carrier (17) or formed as integral components therefrom, and an outlet (13) of the coolant line (11) is positioned in such a way that in that coolant emerging from the outlet (13) can be supplied to the blade elements (31), so that the direction, the speed and / or the size of the volume flow of the emerging coolant from the rotating coolant
Schaufelelementen (31 ) derart änderbar ist, dass zumindest ein Teil des  Blade elements (31) is changeable such that at least a part of the
austretenden Kühlmittels auf den Stator (15) der elektrischen Maschine gelangt.  escaping coolant on the stator (15) of the electrical machine passes.
2. Hybridmodul (1 ) nach Anspruch 1 , 2. hybrid module (1) according to claim 1,
dadurch gekennzeichnet,  characterized,
dass ein jeweiliges Schaufelelement (31 ) sich im Wesentlichen in einer Ebene erstreckt, die in einem Winkel zur Rotationsachse verläuft, so dass durch eine Reflexion eines auf die Schaufelelemente (31 ) auftreffenden Kühlmittels dessen Volumenstrom mit radialer Komponente umlenkbar ist.  a respective blade element (31) extends substantially in a plane which runs at an angle to the axis of rotation, so that its volume flow can be deflected with a radial component by reflection of a coolant impinging on the blade elements (31).
3. Hybridmodul (1 ) nach einem der vorangegangenen Ansprüche, 3. hybrid module (1) according to one of the preceding claims,
dadurch gekennzeichnet,  characterized,
dass die Kühlvorrichtung weiterhin einen Ring (30) umfasst, mit welchem die Schaufelelemente (31 ) mechanisch verbunden sind oder von diesem als integrale Bestandteile ausgebildet sind, wobei der Ring (30) mechanisch mit dem in that the cooling device further comprises a ring (30) to which the blade elements (31) are mechanically connected or integral therefrom Components are formed, wherein the ring (30) mechanically with the
Rotorträger (17) verbunden ist.  Rotor carrier (17) is connected.
4. Hybridmodul (1 ) nach Anspruch 3, 4. hybrid module (1) according to claim 3,
dadurch gekennzeichnet,  characterized,
dass die mechanische Verbindung des Rings (30) mit dem Rotorträger (17) über eine Welle-Nabe-Verbindung realisiert ist.  that the mechanical connection of the ring (30) with the rotor carrier (17) is realized via a shaft-hub connection.
5. Hybridmodul (1 ) nach einem der vorangegangenen Ansprüche, 5. Hybrid module (1) according to one of the preceding claims,
dadurch gekennzeichnet,  characterized,
dass die Kühlmittelleitung (11 ) innerhalb eines Gehäuses (5) des Hybridmoduls (1 ) , insbesondere in einer Zwischenwand (6) des Gehäuses (5), ausgebildet ist.  the coolant line (11) is formed within a housing (5) of the hybrid module (1), in particular in an intermediate wall (6) of the housing (5).
6. Hybridmodul (1 ) nach Anspruch 5, 6. hybrid module (1) according to claim 5,
dadurch gekennzeichnet,  characterized,
dass der Auslass (13) durch eine Öffnung im Gehäuse (5), insbesondere in der Zwischenwand (6), ausgebildet ist.  the outlet (13) is formed by an opening in the housing (5), in particular in the intermediate wall (6).
7. Hybridmodul (1 ) nach einem der vorangegangenen Ansprüche, dadurch 7. hybrid module (1) according to one of the preceding claims, characterized
gekennzeichnet,  in
dass die Kühlmittelleitung (11 ) einen Bypass (12) eines Leitungssystems der Kühlvorrichtung des Hybridmoduls (1 ) umfasst.  in that the coolant line (11) comprises a bypass (12) of a line system of the cooling device of the hybrid module (1).
8. Hybridmodul (1 ) nach Anspruch 6 und 7, 8. hybrid module (1) according to claim 6 and 7,
dadurch gekennzeichnet,  characterized,
dass die Kühlvorrichtung axial an der Seite der elektrischen Maschine angeordnet ist, die der Seite zum Ankoppeln einer Verbrennungskraftmaschine (M) zugewandt ist.  in that the cooling device is arranged axially on the side of the electric machine which faces the side for coupling an internal combustion engine (M).
9. Hybridmodul (1 ) nach einem der vorhergehenden Ansprüche, 9. hybrid module (1) according to one of the preceding claims,
dadurch gekennzeichnet, dass auf einem Umfang verteilt mindestens 50 Schaufelelemente (31 ) angeordnet sind. characterized, that distributed on a circumference at least 50 blade elements (31) are arranged.
10. Antriebsstrang für ein Kraftfahrzeug mit einer Verbrennungskraftmaschine und einem Hybridmodul gemäß einem der Ansprüche 1 bis 9 sowie mit einem 10. powertrain for a motor vehicle with an internal combustion engine and a hybrid module according to one of claims 1 to 9 and with a
Getriebe,  Transmission,
wobei das Hybridmodul (1 ) mit der Verbrennungskraftmaschine und dem Getriebe mechanisch über Kupplungen (21 , 22, 23) des Hybridmoduls (1 ) verbindbar oder verbunden ist.  wherein the hybrid module (1) with the internal combustion engine and the transmission mechanically via couplings (21, 22, 23) of the hybrid module (1) connectable or connected.
EP19716287.8A 2018-04-17 2019-03-22 Hybrid module having a cooling device for actively cooling a stator Withdrawn EP3782266A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018109022.6A DE102018109022A1 (en) 2018-04-17 2018-04-17 Hybrid module with a cooling device for the active cooling of a stator
PCT/DE2019/100273 WO2019201376A1 (en) 2018-04-17 2019-03-22 Hybrid module having a cooling device for actively cooling a stator

Publications (1)

Publication Number Publication Date
EP3782266A1 true EP3782266A1 (en) 2021-02-24

Family

ID=66101772

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19716287.8A Withdrawn EP3782266A1 (en) 2018-04-17 2019-03-22 Hybrid module having a cooling device for actively cooling a stator

Country Status (4)

Country Link
EP (1) EP3782266A1 (en)
CN (1) CN112005472A (en)
DE (2) DE102018109022A1 (en)
WO (1) WO2019201376A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020107700A1 (en) 2020-03-20 2021-09-23 Schaeffler Technologies AG & Co. KG Hybrid drive device with a fluid delivery device
DE102020114604A1 (en) * 2020-06-02 2021-12-02 Schaeffler Technologies AG & Co. KG Rotary electric machine and drive assembly

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190527261A (en) * 1905-12-30 1906-05-03 John Washington Eisenhuth Improvements in Cooling Apparatus especially adapted for use with Internal Combustion Engines.
GB1344698A (en) * 1970-05-18 1974-01-23 Allis Louis Co Hermetically sealed electric motors
JPS52108511U (en) * 1976-02-16 1977-08-18
US6426574B1 (en) * 1996-12-21 2002-07-30 Alstom Rotor of a turbogenerator having direct gas cooling incorporating a two-stage flow cascade
US7508100B2 (en) * 2004-03-22 2009-03-24 General Motors Corporation Electric motor/generator and method of cooling an electromechanical transmission
DE102004049795A1 (en) * 2004-04-08 2005-11-10 Deere & Company, Moline Cooling device for electrical machine, has feeding apparatus through which coolant is directed from one zone of rotor in electrical machine to another zone of rotor when rotor rotates
JP4311477B2 (en) * 2007-05-11 2009-08-12 トヨタ自動車株式会社 Hybrid drive device
DE102007061597B4 (en) * 2007-12-20 2010-01-14 Siemens Ag Electric machine with double axial fan
WO2011118062A1 (en) * 2010-03-24 2011-09-29 アイシン・エィ・ダブリュ株式会社 Rotor for dynamo
FR2995833B1 (en) * 2012-09-25 2015-08-07 Valeo Equip Electr Moteur HYBRID MODULE FOR A MOTOR VEHICLE TRANSMISSION ASSEMBLY
DE102013200105A1 (en) * 2012-10-09 2014-04-24 Robert Bosch Gmbh Cooling for frontal areas of a closed electric machine
CN105102250B (en) 2013-04-19 2019-06-14 舍弗勒技术股份两合公司 Cooling device and cooling method for a rotor-integrated clutch of a hybrid module
CN105871125A (en) * 2015-01-21 2016-08-17 东方电气集团东方电机有限公司 Rotary motor atomizing evaporative cooling system, motor and cooling method thereof
FR3032654B1 (en) * 2015-02-16 2018-05-25 Valeo Embrayages HYBRID MODULE FOR MOTOR VEHICLE
FR3033098B1 (en) * 2015-02-19 2018-04-13 Valeo Equipements Electriques Moteur ROTATING ELECTRIC MACHINE WITH OPTIMIZED COOLING
KR101703595B1 (en) * 2015-05-20 2017-02-07 현대자동차 주식회사 Motor having cooling structure
US11336138B2 (en) * 2016-05-09 2022-05-17 Borgwarner Inc. Hybrid rotor module cooling
DE102017001369A1 (en) * 2017-02-14 2017-08-17 Daimler Ag Electrical machine, in particular for a motor vehicle

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WO2019201376A1 (en) 2019-10-24
DE102018109022A1 (en) 2019-10-17
DE112019001995A5 (en) 2020-12-31
CN112005472A (en) 2020-11-27

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