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CN111648840A - Oil pan liquid level adjusting device, engine and vehicle - Google Patents

Oil pan liquid level adjusting device, engine and vehicle Download PDF

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Publication number
CN111648840A
CN111648840A CN202010644734.9A CN202010644734A CN111648840A CN 111648840 A CN111648840 A CN 111648840A CN 202010644734 A CN202010644734 A CN 202010644734A CN 111648840 A CN111648840 A CN 111648840A
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CN
China
Prior art keywords
engine
oil pan
oil
cavity
engine oil
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Granted
Application number
CN202010644734.9A
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Chinese (zh)
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CN111648840B (en
Inventor
孔德永
李�昊
钱汉生
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Kunshan Sany Power Co ltd
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Kunshan Sany Power Co ltd
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Priority to CN202010644734.9A priority Critical patent/CN111648840B/en
Publication of CN111648840A publication Critical patent/CN111648840A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/0004Oilsumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/10Indicating devices; Other safety devices
    • F01M11/12Indicating devices; Other safety devices concerning lubricant level

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)

Abstract

The invention provides an oil pan liquid level adjusting device, an engine and a vehicle. Wherein, oil pan liquid level regulation device includes: the air inflation cavity is arranged in the engine oil sump; the air inlet and outlet assembly is communicated with the inflation cavity; the inflation cavity achieves inflation expansion or exhaust contraction through the air inlet and exhaust assembly, and the engine oil level in the engine oil pan is adjusted through volume change of the inflation cavity. According to the technical scheme, when the engine oil level in the engine oil bottom shell is low, the volume of the inflation cavity can be changed to adjust the engine oil level, so that the influence of the engine oil level reduction on an engine lubricating system can be effectively prevented, the service life of an engine lubricating piece can be prolonged, and the engine can be prevented from being damaged.

Description

Oil pan liquid level adjusting device, engine and vehicle
Technical Field
The application relates to the technical field of engine auxiliary equipment, in particular to an oil pan adjusting device, an engine and a vehicle.
Background
The engine oil pan is located the crankcase bottom of engine for store and collect the machine oil of backward flow, in order to prevent that impurity from getting into the lubricating system of engine, have the effect of dispelling the heat, preventing machine oil oxidation to machine oil simultaneously. In order to ensure that a lubricating system of the engine can work normally, the oil level in an oil pan of the engine needs to be kept at a certain height. In the use process of an engine, the oil level of the oil in the oil pan gradually drops, if the oil amount is insufficient or the inclination angle of the engine is too large, the oil supply of the oil pump is easy to be insufficient, so that the work of a lubricating system is abnormal, the service life of lubricating parts such as an engine bushing is influenced, and even the engine is damaged.
Disclosure of Invention
The present application is directed to improving at least one of the technical problems of the prior art or the related art.
To this end, according to an embodiment of the present invention, it is an object to provide an oil pan liquid level adjustment device.
It is another object to provide an engine according to an embodiment of the present invention.
According to an embodiment of the present invention, it is another object to provide a vehicle.
In order to achieve the above object, according to an embodiment of a first aspect of the present invention, there is provided an oil pan liquid level adjustment device for an engine oil pan, including: the air inflation cavity is arranged in the engine oil sump; the air inlet and outlet assembly is communicated with the inflation cavity; the inflation cavity achieves inflation expansion or exhaust contraction through the air inlet and exhaust assembly, and the engine oil level in the engine oil pan is adjusted through volume change of the inflation cavity.
According to the embodiment of the first aspect of the invention, the oil pan liquid level adjusting device comprises an air inflation cavity and an air intake and exhaust assembly. The inflation cavity is arranged in the engine oil pan, and when the engine oil is contained in the engine oil pan, the outer wall surface of the inflation cavity can be in contact with the engine oil. The air intake and exhaust assembly is communicated with the interior of the inflatable cavity body, and the air intake and exhaust assembly can supply air to the interior of the inflatable cavity body or exhaust the air from the inflatable cavity body. When the inflation cavity is inflated through the air inlet and exhaust assembly, the volume of the inflation cavity expands, and when the inflation cavity exhausts through the air inlet and exhaust assembly, the volume of the inflation cavity contracts, so that the size of a space which can contain engine oil in an engine oil pan can be changed through the volume change of the inflation cavity, and the liquid level of the engine oil can be adjusted. When the machine oil liquid level decline in the engine oil drain pan leads to the unable normal machine oil of collecting of machine oil collector, the accessible advances to exhaust the subassembly and aerifys to the inflation cavity is internal, makes inflation cavity volume expansion, and then makes the machine oil liquid level rise to the machine oil collector collects machine oil, satisfies the lubricated demand of engine. The air intake and exhaust assembly can realize air intake and exhaust operations by sharing one structure, and the air intake structure and the exhaust structure can be respectively arranged to perform air intake and exhaust operations.
It can be understood that the oil level in the oil pan of the engine gradually decreases along with the use of the engine, and when the oil level is lower than the oil collecting device, the oil cannot be normally supplied to the lubricating system; in addition, when the inclination angle of the engine is too large (for example, greater than 45 °), the liquid level in the oil pan also changes, which affects the normal operation of the oil collection device. The oil pan liquid level adjusting device of this scheme, the volume change of cavity is aerifyd to the accessible adjusts the machine oil liquid level, can effectively prevent the influence that the machine oil liquid level decline led to the fact to engine lubrication system, is favorable to prolonging the life of engine lubricating piece.
In addition, the oil pan liquid level adjusting device in the above technical solution provided by the embodiment of the first aspect of the present invention may further have the following additional technical features:
in the technical scheme, at least part of the structure of the inflation cavity is an elastic part, and the elastic part is elastically deformed under the pressure action of gas in the inflation cavity so as to realize inflation expansion or exhaust contraction of the inflation cavity.
In the technical scheme, at least part of the structure of the inflation cavity is an elastic part, so that the whole volume of the inflation cavity is changed by utilizing the elastic deformation of the elastic part. When the inflation cavity is inflated, the elastic piece expands outwards under the pressure of gas, so that engine oil in the engine oil pan is extruded through the elastic piece, and the liquid level of the engine oil rises. Wherein, the elastic member can be a film with elasticity, such as a rubber film, and has a simple structure and is easy to realize.
In the above technical scheme, oil pan liquid level adjustment device still includes: the fluid cavity, locate in the engine oil pan, be used for holding machine oil, be equipped with the overflow hole on the fluid cavity, the fluid cavity is linked together with the engine oil pan through the overflow hole, and the distance of overflow hole to the bottom plate of fluid cavity is not less than apart from the threshold value, wherein, the elastic component is located on the curb plate of inflation cavity, the fluid cavity is connected with the curb plate that is equipped with the elastic component on the inflation cavity, and the elastic component can be under gaseous pressure effect to the internal inflation of fluid cavity, with the machine oil in the extrusion fluid cavity, make machine oil flow in the engine oil pan through the overflow hole, with the machine oil liquid level in the regulation engine oil pan.
In this technical scheme, through be equipped with the fluid cavity that can hold machine oil in the engine oil pan, for reserve machine oil provides storage space. An overflow hole is formed in the oil cavity and communicates the interior of the oil cavity with an engine oil sump; the distance from the overflow hole to the bottom plate of the oil cavity is limited to be not less than a distance threshold value, so that engine oil can be stored in the oil cavity, and only when the liquid level of the engine oil in the oil cavity is higher than the distance threshold value, the engine oil flows into the engine oil bottom shell through the overflow hole. Wherein, the elastic component is located on the curb plate of aerifing the cavity, the fluid cavity is connected with the curb plate that is equipped with the elastic component, and the elastic component can be under gaseous pressure effect to the internal inflation of fluid cavity, so that the elastic component after aerifing the inflation forms the extrusion to the machine oil in the fluid cavity, make the interior machine oil liquid level of fluid cavity rise, and then flow to the engine oil pan through the overflow hole, with the machine oil volume in the increase engine oil pan, thereby make the interior machine oil liquid level of engine oil pan rise, the realization is to the regulation of machine oil liquid level. The number of the overflow holes can be multiple, and the overflow holes can be arranged on a side plate and/or a top plate of the oil cavity; the distance threshold may be set according to the specific size of the oil cavity. Wherein, the oil cavity and the inflation cavity can be an integrated structure. Through replenishing reserve machine oil in order to make the machine oil liquid level rise in the engine oil pan in this scheme, the effect of liquid level control is more obvious, and easily control.
In the above technical scheme, oil pan liquid level adjustment device still includes: the reset spring is arranged in the oil cavity and/or the inflation cavity, one end of the reset spring is connected with the elastic piece, and the other end of the reset spring is connected with a side plate of the oil cavity or a side plate of the inflation cavity so as to reset the elastic piece through the elastic force action of the reset spring.
In the technical scheme, the return spring is arranged in the inflation cavity and/or the oil cavity to promote the return of the elastic piece. Specifically, when the return spring is arranged in the inflation cavity, one end of the return spring is connected with the elastic piece, and the other end of the return spring is connected with a side plate of the inflation cavity; when the return spring is arranged in the oil cavity, one end of the return spring is connected with the elastic piece, and the other end of the return spring is connected with the side plate of the oil cavity. When gas is supplied to the inflation cavity, the elastic piece expands and deforms towards one side of the oil cavity under the pressure of the gas and compresses or stretches the return spring, so that the return spring is elastically deformed and has a movement trend of recovering the original shape; when the exhaust operation is carried out, the air pressure at one side of the inflation cavity is reduced, and the return spring drives the elastic piece to move towards one side of the inflation cavity through the elastic force effect so as to realize the return. Wherein, the number of the return spring can be one or more.
In the technical scheme, the inflation cavity is formed by surrounding a top plate, a plurality of side plates and part of the bottom wall and part of the side wall of the engine oil pan, wherein the air intake and exhaust assembly is connected to the side wall.
In this technical scheme, aerify the cavity and surround by the part diapire and the partial lateral wall of roof, a plurality of curb plates and engine oil pan and form, can simplify the structure on the one hand, the processing of being convenient for, on the other hand makes the partial diapire and the partial lateral wall of engine oil pan form bottom plate and the curb plate of aerifing the cavity, advances the exhaust subassembly can realize through connecting hole on lateral wall or the diapire with the intercommunication of aerifing the cavity, the connection of the subassembly of being convenient for advance to exhaust. When the air inlet and exhaust assembly is connected to the side wall, the pipelines can be conveniently connected, and after the engine with the engine oil pan is assembled on a vehicle, the ground clearance of the air inlet and exhaust assembly can be increased, so that the possibility that the air inlet and exhaust assembly is damaged by collision of an external object is favorably reduced.
In the above technical solution, the intake and exhaust assembly includes: the air inlet mechanism is communicated with the inflation cavity and is used for supplying air into the inflation cavity; and the exhaust mechanism is communicated with the inflation cavity and is used for exhausting the inflation cavity to the outside.
In this technical scheme, exhaust subassembly includes air intake mechanism and exhaust mechanism, and air intake mechanism and exhaust mechanism all communicate with the inflation cavity to carry out air intake and exhaust operation to the inflation cavity respectively. The gas flows unidirectionally into the inflation cavity through the gas inlet mechanism during inflation operation, and flows unidirectionally to the outside through the exhaust mechanism during exhaust operation, so that the efficiency of gas inlet operation and exhaust operation can be improved, and the accurate control of the gas pressure in the inflation cavity is facilitated. The gas inlet mechanism is connected with an external gas source to obtain gas; the exhaust mechanism can be directly communicated with the external atmosphere to discharge the gas in the inflatable cavity to the external atmosphere, and can also be communicated with the gas source to enable the gas in the inflatable cavity to flow back to the gas source, so that the recycling is realized.
In the above technical solution, the air intake mechanism includes: the air inlet pipe is arranged outside the oil pan of the engine, one end of the air inlet pipe is connected to the side wall and is communicated with the inflation cavity, and the other end of the air inlet pipe is used for being connected with an external air source; the switch piece is arranged in the air inlet pipe and can be used for switching on or off the air inlet pipe; the one-way valve is arranged in the air inlet pipe so that the air in the air inlet pipe flows in one way into the inflation cavity.
In the technical scheme, the air inlet mechanism comprises an air inlet pipe, a switch piece and a one-way valve. The air inlet pipe is arranged outside the oil sump of the engine; one end of the air inlet pipe is communicated with the inflation cavity body through the side wall of the engine oil pan, and the other end of the air inlet pipe is used for being connected with an external air source to obtain air, so that the air of the external air source can flow into the inflation cavity body through the air inlet pipe. The switch piece is arranged in the air inlet pipe and used for switching on or off the air inlet pipe so as to control the air supply operation of the inflation cavity. The switch member may be a switch valve, a reversing valve or other components capable of switching on or off the air inlet pipe. The check valve is arranged in the air inlet pipe, so that in the inflation process, air in the air inlet pipe flows in a one-way mode into the inflation cavity, and the air in the inflation cavity is prevented from flowing back to influence the normal inflation operation. The one-way valve can be arranged on one side of the switch piece close to the inflation cavity, and can also be arranged on one side of the switch piece far away from the inflation cavity, and the one-way valve can play a role in conducting gas in one direction.
In the above technical scheme, oil pan liquid level adjustment device still includes: the liquid level detector is arranged in the engine oil pan and used for detecting the oil level of the engine oil in the engine oil pan; and the controller is electrically connected with the liquid level detector and the air intake and exhaust assembly, and controls the working state of the air intake and exhaust assembly according to the oil level in the engine oil pan so as to adjust the oil level in the engine oil pan.
In this technical scheme, through be equipped with the liquid level detector in the engine oil pan to detect the engine oil liquid level in the engine oil pan. The controller is electrically connected with the liquid level detector to receive detection data of the liquid level detector; the controller is connected with liquid level detector and advances the exhaust subassembly electricity to the operating condition who advances the exhaust subassembly is controlled according to liquid level detector's detection data, with the realization need not through manual operation to the machine oil liquid level automatically regulated of engine oil pan, and the accuracy is higher. The controller may be a special control device, or may be an Electronic Control Unit (ECU) of the engine.
An embodiment according to a second aspect of the invention provides an engine comprising: the engine oil sump is arranged at the bottom of the engine body and used for containing engine oil; the engine oil collector is communicated with a lubricating system of the engine body, and one end of the engine oil collector extends into an engine oil pan so as to collect the engine oil in the engine oil pan; the oil pan level adjusting device according to the embodiment of the first aspect is connected to an engine oil pan to adjust the oil level in the engine oil pan.
According to an embodiment of the second aspect of the present invention, the engine comprises an engine block, an oil collector, and the oil pan level adjustment device in the embodiment of the first aspect described above. The bottom of the engine body is provided with an engine oil sump to contain engine oil. The oil collector is communicated with a lubricating system of the engine body, and one end of the oil collector extends into the engine oil pan to collect the oil in the engine oil pan and supply the oil to the lubricating system. The inflation cavity of the oil pan liquid level adjusting device is arranged in an engine oil pan, and the air intake and exhaust assembly of the oil pan liquid level adjusting device is communicated with the inflation cavity through the engine oil pan and can be connected with an external air source. Wherein the oil collector may be an oil pump.
When the machine oil liquid level in the engine oil pan descends and makes the machine oil collector be difficult to collect machine oil, or when the engine takes place the large-angle slope (for example be greater than 45 °) and leads to machine oil liquid level height to be less than the machine oil collector, accessible advances exhaust subassembly and aerifys the internal air feed of cavity to aerifing, makes the inflation cavity aerify the inflation, and then realizes the regulation to the machine oil liquid level in the engine oil pan through the volume change of inflation cavity to make the machine oil collector normally supply machine oil to the lubricating system of engine body.
In addition, the engine in this scheme still has the whole beneficial effect of the oil pan liquid level adjusting device in the embodiment of the above-mentioned first aspect, and the description is omitted here.
An embodiment according to a third aspect of the invention provides a vehicle including: a vehicle body; the engine in the embodiment of the second aspect is arranged in the vehicle body and used for driving the vehicle body to run; and the air supply device is arranged in the vehicle body and is connected with the air inlet and outlet assembly of the oil pan liquid level adjusting device in the engine so as to supply air into the inflation cavity of the oil pan liquid level adjusting device.
According to an embodiment of the third aspect of the present invention, a vehicle includes a vehicle body, the engine and the air supply device in the embodiment of the second aspect described above. The engine is arranged in the vehicle body to provide power for the vehicle body and drive the vehicle body to run. The air supply device is arranged in the vehicle body and is connected with the air inlet and exhaust assembly of the oil pan liquid level adjusting device in the engine, so that air is supplied to the inflation cavity of the oil pan liquid level adjusting device through the air inlet and exhaust assembly, the inflation cavity is inflated and expanded under the pressure action of gas, and the engine oil level in the oil pan of the engine is adjusted through the volume change of the inflation cavity. In addition, the vehicle in the present solution also has all the beneficial effects of the engine in the embodiment of the second aspect, and details are not repeated here.
Additional aspects and advantages of embodiments in accordance with the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of embodiments in accordance with the invention.
Drawings
The above and/or additional aspects and advantages of embodiments according to the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 illustrates a partial cross-sectional view of an oil pan level adjustment device according to one embodiment of the present invention;
FIG. 2 illustrates a partial cross-sectional view of an oil pan level adjustment device according to one embodiment of the present invention;
FIG. 3 illustrates a cross-sectional view of an engine oil pan according to one embodiment of the present invention;
FIG. 4 illustrates a partial cross-sectional view of an oil pan level adjustment device according to one embodiment of the present invention;
FIG. 5 shows an enlarged view of portion A of FIG. 4;
FIG. 6 illustrates a partial cross-sectional view of an oil pan level adjustment device according to one embodiment of the present invention;
FIG. 7 illustrates a partial cross-sectional view of an oil pan level adjustment device according to one embodiment of the present invention;
FIG. 8 illustrates a partial cross-sectional view of an oil pan level adjustment device according to one embodiment of the present invention;
FIG. 9 shows a cross-sectional view of an engine oil pan according to an embodiment of the present invention;
FIG. 10 shows a cross-sectional view of an engine oil pan according to an embodiment of the present invention;
FIG. 11 illustrates a partial cross-sectional view of an oil pan level adjustment device according to one embodiment of the present invention;
FIG. 12 shows a cross-sectional view of an engine according to an embodiment of the invention;
FIG. 13 shows a schematic block diagram of a vehicle according to one embodiment of the invention.
The correspondence between reference numerals and components in fig. 1 to 13 is as follows:
1 oil pan liquid level adjusting device, 11 inflation cavity, 111 elastic component, 112 curb plate, 113 roof, 12 air inlet and outlet assemblies, 121 air inlet mechanism, 1211 air inlet pipe, 1212 switch piece, 1213 check valve, 122 exhaust mechanism, 13 oil cavity, 131 overflow hole, 132 reset spring, 14 liquid level detector, 15 controller, 2 engine, 21 engine body, 211 engine oil pan, 2111 lateral wall, 2112 diapire, 22 machine oil collector, 23 machine oil scale, 24 fuel outlet valve, 3 vehicle, 31 automobile body, 32 air feeder.
Detailed Description
In order that the above objects, features and advantages of the present application can be more clearly understood, embodiments according to the present invention will be described in further detail below with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of embodiments according to the invention, however, embodiments according to the invention may be practiced in other ways than those described herein, and therefore the scope of protection of this application is not limited by the specific embodiments disclosed below.
An oil pan level adjustment device, an engine, and a vehicle according to some embodiments of the present invention are described below with reference to fig. 1 to 13.
Example one
The oil pan liquid level adjusting device 1 is used for an engine oil pan 211.
As shown in fig. 1 to 3, the oil pan liquid level adjusting device 1 includes an inflation cavity 11 and an intake and exhaust assembly 12. The inflation cavity 11 is arranged in the engine oil pan 211, and when the engine oil is contained in the engine oil pan 211, the outer wall surface of the inflation cavity 11 can be in contact with the engine oil. At least part of the structure of the inflation cavity 11 can be subjected to expansion deformation. The air intake and exhaust assembly 12 is communicated with the interior of the inflation cavity 11, and the air intake and exhaust assembly 12 can supply air to the inflation cavity 11 to expand the volume of the inflation cavity 11 (as shown in the state of fig. 2); the inflation cavity 11 can also be exhausted outwards through the air intake and exhaust assembly 12, so that the volume of the inflation cavity 11 is contracted (as shown in the state of fig. 1). The size of the space capable of containing engine oil in the engine oil pan 211 is changed through the volume change of the inflation cavity 11, and then the engine oil level is adjusted. When the engine oil level in the engine oil pan 211 descends to cause the engine oil collector 22 to be incapable of normally collecting the engine oil, the air can be charged into the air charging cavity 11 through the air inlet and outlet assembly 12, so that the volume of the air charging cavity 11 is expanded, the engine oil level is raised, the engine oil collector 22 can collect the engine oil, and the lubricating requirement of the engine is met.
The oil pan liquid level adjusting device 1 of the embodiment can adjust the oil level by changing the volume of the air inflation cavity 11, is suitable for working when the inclination angle of the engine is large (for example, the inclination angle is larger than 45 degrees), can effectively prevent the oil level from dropping to influence an engine lubricating system, and is beneficial to prolonging the service life of an engine lubricating piece.
It should be noted that the intake and exhaust assemblies 12 may implement intake and exhaust operations by sharing a single structure, or may be provided with intake and exhaust structures to perform intake and exhaust operations, respectively.
Example two
The embodiment provides an oil pan liquid level adjusting device 1 which is further improved on the basis of the first embodiment.
As shown in fig. 3, at least a part of the structure of the inflation cavity 11 is the elastic member 111, when the inflation cavity 11 is inflated by the air intake and exhaust assembly 12, the elastic member 111 expands outwards under the pressure of the gas in the inflation cavity 11, and the overall volume of the inflation cavity 11 is changed by the elastic deformation of the elastic member 111, so as to reduce the space in the engine oil pan 211 that can contain the engine oil, and extrude the engine oil in the engine oil pan 211, so that the liquid level of the engine oil rises, and the liquid level of the engine oil is adjusted. The elastic member 111 may be a film having elasticity, such as a rubber film, and has a simple structure and is easy to implement.
EXAMPLE III
The embodiment provides an oil pan liquid level adjusting device 1, which is further improved on the basis of the second embodiment.
As shown in fig. 4 and 5, the oil pan liquid level adjusting device 1 further includes an oil cavity 13 disposed in the engine oil pan 211 for providing a storage space for spare oil. The oil cavity 13 is provided with an overflow hole 131, the overflow hole 131 is communicated with the inside of the oil cavity 13 and the engine oil pan 211, and the distance from the overflow hole 131 to the bottom plate of the oil cavity 13 is not less than a distance threshold value, namely, the overflow hole 131 has a certain height, so that engine oil can be stored in the part below the overflow hole 131 in the oil cavity 13.
The side plate 112 of the air-filled cavity 11 is provided with an elastic element 111, and the oil cavity 13 is connected with the side plate 112 provided with the elastic element 111. When advancing exhaust subassembly 12 and aerifing cavity 11 and aerifing, elastic component 111 can be at the pressure effect of gas under to the inflation in the fluid cavity 13, with the volume of the elastic component 111 reduction fluid cavity 13 after the inflation, and form the extrusion to the machine oil in the fluid cavity 13, make the machine oil liquid level in the fluid cavity 13 rise, and then make the machine oil in the fluid cavity 13 pass through in overflow hole 131 flow direction engine oil pan 211, with the machine oil volume in the increase engine oil pan 211, thereby make the machine oil liquid level in the engine oil pan 211 rise, the realization is to the regulation of machine oil liquid level. The number of the overflow holes 131 may be multiple, and the overflow holes may be arranged on a side plate and/or a top plate of the oil cavity 13; the distance threshold may be set according to the specific size of the oil cavity 13.
Example four
The oil pan liquid level adjusting device 1 is provided in the embodiment, and further improvement is made on the basis of the third embodiment.
As shown in fig. 6, a return spring 132 is disposed in the oil chamber 13 to promote the return of the elastic member 111. Specifically, one end of the return spring 132 is connected to the elastic member 111, and the other end is connected to a wall surface of the oil chamber 13 opposite to the elastic member 111. When gas is supplied to the inflation cavity 11, the elastic element 111 expands and deforms towards one side of the oil cavity 13 under the pressure of the gas, and compresses the return spring 132, so that the return spring 132 elastically deforms and has a movement tendency of recovering to the original state; when the air pressure at the side of the air charging chamber 11 is reduced during the air discharging operation, the return spring 132 drives the elastic member 111 to move toward the side of the air charging chamber 11 by the elastic force, so that the elastic member 111 is returned. Wherein, the number of the return spring 132 may be one or more.
It should be noted that the return spring 132 may also be disposed in the inflation cavity 11, and two ends of the return spring 132 are respectively connected to the elastic member 111 and the inner wall surface of the inflation cavity 11, so that the elastic member 111 stretches the return spring 132 during inflation operation, and the return spring 132 promotes the return of the elastic member 111 through elastic force during deflation operation. When the number of the return springs 132 is plural, the return springs 132 may be provided in the gas charging chamber 11 and the oil chamber 13 at the same time.
EXAMPLE five
The embodiment provides an oil pan liquid level adjusting device 1 which is further improved on the basis of the first embodiment.
As shown in fig. 3 and 7, the inflation cavity 11 is disposed in the engine oil pan 211 at a position close to the side wall 2111, and the inflation cavity 11 is surrounded by the top plate 113, the side plates 112, and a part of the bottom wall 2112 and a part of the side wall 2111 of the engine oil pan 211, so that the bottom wall 2112 and a part of the side wall 2111 of the engine oil pan 211 form the bottom plate and the side plate 112 of the inflation cavity 11, and the intake and exhaust assembly 12 is communicated with the inflation cavity 11 through the side wall 2111, thereby facilitating the connection of the intake and exhaust assembly 12, simplifying the structure, and reducing the processing difficulty and the processing cost. In addition, after the engine with the engine oil pan 211 is assembled on the vehicle, the ground clearance of the intake and exhaust assembly 12 can be increased, which is beneficial to reducing the possibility that the intake and exhaust assembly 12 is damaged by the collision of external objects.
EXAMPLE six
The embodiment provides an oil pan liquid level adjusting device 1, and further improvement is made on the basis of the fifth embodiment.
As shown in fig. 1 and 8, the exhaust assembly includes an air intake mechanism 121 and an exhaust mechanism 122, the air intake mechanism 121 and the exhaust mechanism 122 are both communicated with the inflation cavity 11 through a side wall 2111 of the engine oil pan 211 to perform air intake and exhaust operations on the inflation cavity 11, respectively, so that the efficiency of the air intake operation and the exhaust operation can be improved, and the accurate control of the gas pressure in the inflation cavity 11 is facilitated.
Specifically, the intake mechanism 121 includes an intake pipe 1211, an opening and closing member 1212, and a check valve 1213. An intake pipe 1211 is provided outside the engine oil pan 211; one end of an air inlet pipe 1211 is communicated with the inflation cavity 11 through a side wall 2111 of the engine oil pan 211, and the other end of the air inlet pipe 1211 is used for being connected with an external air source; during the inflation operation, the gas from the external gas source flows into the inflation cavity 11 through the inlet pipe 1211. The switch 1212 is provided in the air inlet tube 1211 for turning on or off the air inlet tube 1211 to control the air supplying operation to the air charging chamber 11. The switch 1212 may be a switch valve, a reversing valve, or other components that can open or close the air inlet 1211. The one-way valve 1213 is disposed in the air inlet tube 1211 and located on a side of the switch 1212 close to the inflation cavity 11, so as to make the air in the air inlet tube 1211 flow into the inflation cavity 11 in a one-way manner during the inflation process, and prevent the air in the inflation cavity 11 from flowing back to affect the normal inflation operation.
It should be noted that the check valve 1213 may also be disposed on a side of the switch 1212 away from the inflation cavity 11, and also may perform a function of conducting the gas in a single direction. The exhaust mechanism 122 may be an exhaust valve, and the exhaust mechanism 122 may be directly communicated with the outside atmosphere, or may be communicated with a gas source to enable the gas in the inflation cavity 11 to flow back to the gas source, so as to implement recycling.
Further, as shown in fig. 9, an oil level gauge 23 is disposed in the engine oil pan 211 for detecting the oil level in the engine oil pan 211, so as to control the air charging and discharging operations according to the oil level in the engine oil pan 211.
EXAMPLE seven
The embodiment provides an oil pan liquid level adjusting device 1 which is further improved on the basis of the first embodiment.
As shown in fig. 10, the oil pan liquid level adjustment device 1 further includes a liquid level detector 14 and a controller 15. The liquid level detector 14 is provided in the engine oil pan 211 to detect the oil level in the engine oil pan 211. The controller 15 is electrically connected with the liquid level detector 14 to receive the detection data of the liquid level detector 14 and determine whether the oil level needs to be adjusted according to the oil level in the detection data; the controller 15 is electrically connected with the air intake and exhaust assembly 12 to control the working state of the air intake and exhaust assembly 12 according to the detection data of the liquid level detector 14, and control the air intake and exhaust assembly 12 to supply air to the inflation cavity when the oil level in the engine oil pan 211 is low, so that the volume of the inflation cavity 11 is expanded, and further the automatic adjustment of the oil level in the engine oil pan 211 is realized, manual operation is not needed, and the accuracy is higher.
The controller 15 in the present embodiment may be a dedicated Control device, or may be an Electronic Control Unit (ECU) of the engine.
Example eight
The oil pan liquid level adjusting device 1 is used for an engine oil pan 211.
As shown in fig. 3, 4 and 11, the oil pan liquid level adjusting device 1 includes an inflation cavity 11, an air intake and exhaust assembly 12, an oil cavity 13, a return spring 132, a liquid level detector 14 and a controller 15.
The inflation cavity 11 is arranged in the engine oil pan 211, and when the engine oil is contained in the engine oil pan 211, the outer wall surface of the inflation cavity 11 can be in contact with the engine oil. The inflation cavity 11 is arranged in the engine oil pan 211 close to the side wall 2111, and the inflation cavity 11 is surrounded by the top plate 113, the side plates 112 and a part of the bottom wall 2112 and a part of the side wall 2111 of the engine oil pan 211, so that the bottom wall 2112 and a part of the side wall 2111 of the engine oil pan 211 form the bottom plate and the side plate 112 of the inflation cavity 11, connection of the air intake and exhaust assembly 12 is facilitated, the structure is simplified, and the processing difficulty and the processing cost are reduced. The side plate 112 of the inflation cavity 11 opposite to the air intake and exhaust assembly 12 is provided with an elastic member 111, and the elastic member 111 can realize inflation or deflation and contraction through the air intake and exhaust assembly 12 so as to change the volume of the inflation cavity 11. The elastic member 111 may be a film having elasticity, such as a rubber film, and has a simple structure and is easy to implement.
The oil chamber 13 is connected to a side plate 112 provided with an elastic member 111. The oil cavity 13 is used for providing a storage space for standby engine oil. The oil cavity 13 is provided with an overflow hole 131, the overflow hole 131 is communicated with the inside of the oil cavity 13 and the engine oil pan 211, and the distance from the overflow hole 131 to the bottom plate of the oil cavity 13 is not less than a distance threshold value, namely, the overflow hole 131 has a certain height, so that engine oil can be stored in the part below the overflow hole 131 in the oil cavity 13. The number of the overflow holes 131 may be multiple, and the overflow holes may be arranged on a side plate and/or a top plate of the oil cavity 13; the distance threshold may be set according to the specific size of the oil cavity 13.
The exhaust assembly comprises an air inlet mechanism 121 and an exhaust mechanism 122, and the air inlet mechanism 121 and the exhaust mechanism 122 are communicated with the inflation cavity 11 through a side wall 2111 of the engine oil pan 211 so as to respectively perform air inlet and exhaust operations on the inflation cavity 11. Specifically, the intake mechanism 121 includes an intake pipe 1211, an opening and closing member 1212, and a check valve 1213. An intake pipe 1211 is provided outside the engine oil pan 211; one end of an air inlet pipe 1211 is communicated with the inflation cavity 11 through a side wall 2111 of the engine oil pan 211, and the other end of the air inlet pipe 1211 is used for being connected with an external air source; during the inflation operation, the gas from the external gas source flows into the inflation cavity 11 through the inlet pipe 1211. The switch 1212 is provided in the air inlet tube 1211 for turning on or off the air inlet tube 1211 to control the air supplying operation to the air charging chamber 11. The switch 1212 may be a switch valve, a reversing valve, or other components that can open or close the air inlet 1211. The one-way valve 1213 is disposed in the air inlet tube 1211 and located on a side of the switch 1212 close to the inflation cavity 11, so as to make the air in the air inlet tube 1211 flow into the inflation cavity 11 in a one-way manner during the inflation process, and prevent the air in the inflation cavity 11 from flowing back to affect the normal inflation operation. The exhaust mechanism 122 may be an exhaust valve, and the exhaust mechanism 122 may be directly communicated with the outside atmosphere, or may be communicated with a gas source to enable the gas in the inflation cavity 11 to flow back to the gas source, so as to implement recycling.
When an external air source inflates air into the inflation cavity 11 through the air inlet pipe 1211, the elastic part 111 can expand into the oil cavity 13 under the pressure action of the air, the volume of the oil cavity 13 is reduced through the expanded elastic part 111, the engine oil in the oil cavity 13 is extruded, the oil level in the oil cavity 13 rises, and the engine oil in the oil cavity 13 flows into the engine oil pan 211 through the overflow hole 131, so that the amount of the engine oil in the engine oil pan 211 is increased, the oil level in the engine oil pan 211 rises, and the adjustment of the oil level is realized.
The return spring 132 is disposed in the oil chamber 13, one end of the return spring 132 is connected to the elastic member 111, and the other end is connected to a wall surface of the oil chamber 13 opposite to the elastic member 111. When gas is supplied to the inflation cavity 11, the elastic element 111 expands and deforms towards one side of the oil cavity 13 under the pressure of the gas, and compresses the return spring 132, so that the return spring 132 elastically deforms and has a movement tendency of recovering to the original state; when the air pressure at the side of the air charging chamber 11 is reduced during the air discharging operation, the return spring 132 drives the elastic member 111 to move toward the side of the air charging chamber 11 by the elastic force, so that the elastic member 111 is returned. Wherein, the number of the return spring 132 may be one or more. Of course, the return spring 132 may also be disposed in the inflation cavity 11, and two ends of the return spring 132 are respectively connected to the elastic element 111 and the inner wall surface of the inflation cavity 11. When the number of the return springs 132 is plural, the return springs 132 may be provided in the gas charging chamber 11 and the oil chamber 13 at the same time.
The oil pan level regulation device 1 further comprises a level detector 14 and a controller 15. The liquid level detector 14 is provided in the engine oil pan 211 to detect the oil level in the engine oil pan 211. The controller 15 is electrically connected with the liquid level detector 14 to receive the detection data of the liquid level detector 14 and determine whether the oil level needs to be adjusted according to the oil level in the detection data; the controller 15 is electrically connected with the air intake and exhaust assembly 12 to control the working state of the air intake and exhaust assembly 12 according to the detection data of the liquid level detector 14, and when the oil level in the engine oil pan 211 is low, the air intake and exhaust assembly 12 is controlled to supply air to the inflation cavity 11, so that the volume of the inflation cavity 11 is expanded, and then the automatic adjustment of the oil level in the engine oil pan 211 is realized, manual operation is not needed, and the accuracy is higher. The controller 15 may be a dedicated Control device, or may be an Electronic Control Unit (ECU) of the engine.
The oil pan liquid level adjusting device 1 of the embodiment can adjust the oil level by changing the volume of the air inflation cavity 11, is suitable for working when the inclination angle of the engine is large (for example, the inclination angle is larger than 45 degrees), can effectively prevent the oil level from dropping to influence an engine lubricating system, and is beneficial to prolonging the service life of an engine lubricating piece.
Example nine
The embodiment provides an engine 2, and the engine 2 comprises an engine body 21, an oil collector 22 and the oil pan liquid level adjusting device 1 in any one of the above embodiments.
As shown in fig. 1 and 12, the bottom of the engine body 21 is provided with an engine oil pan 211 to contain oil. The oil collector 22 communicates with the lubrication system of the engine body 21, and one end of the oil collector 22 protrudes into the engine oil pan 211 to collect oil in the engine oil pan 211 and supply the oil to the lubrication system. The inflation cavity 11 of the oil pan liquid level adjusting device 1 is arranged in the engine oil pan 211, and the air intake and exhaust assembly 12 of the oil pan liquid level adjusting device 1 extends out of the engine oil pan 211 and can be connected with an external air source. The oil collector 22 may be an oil pump, among others.
When the oil level in the engine oil pan 211 drops to make the oil collector 22 difficult to collect oil, or when the oil level of the engine 2 is lower than the oil collector 22 due to a large-angle inclination (for example, greater than 45 °), the air can be supplied to the inflation cavity 11 through the air intake and exhaust assembly 12, and the inflation cavity 11 is expanded and deformed by the pressure of the air, so that the oil level in the engine oil pan 211 can be adjusted, and the oil collector 22 can normally supply oil to the lubricating system of the engine body 21.
Further, an oil level indicator 23 is further disposed in the engine oil pan 211 and used for marking the oil level, so that an operator can know the oil level in the engine oil pan 211 through the oil level indicator 23. The bottom of the engine oil pan 211 is provided with an oil drain valve 24 for draining the engine oil so as to replace the engine oil.
In addition, the engine 2 in this embodiment also has all the beneficial effects of the oil pan liquid level adjusting device 1 in any one of the above embodiments, and details are not repeated here.
Example ten
The present embodiment provides a vehicle 3, as shown in fig. 13, including a vehicle body 31, the engine 2 in the eighth embodiment described above, and an air supply device 32.
As shown in fig. 1 and 13, the engine 2 is provided in the vehicle body 31 to power the vehicle body 31 and drive the vehicle body 31 to travel. The air supply device 32 is arranged in the vehicle body 31, and the air supply device 32 is connected with the air intake and exhaust assembly 12 of the oil pan liquid level adjusting device 1 in the engine 2, so as to supply air into the inflation cavity of the oil pan liquid level adjusting device 1 through the air intake and exhaust assembly 12, and the inflation cavity 11 is expanded and deformed by using the pressure action of the air, thereby realizing the adjustment of the oil level in the oil pan 211 of the engine. In addition, the vehicle 3 in this embodiment has all the advantages of the engine 2 in any of the above embodiments, and details thereof are not repeated herein.
The technical scheme of the embodiments of the invention is described in detail with reference to the accompanying drawings, and the oil level can be adjusted by changing the volume of the inflation cavity, so that the influence of the oil level reduction on an engine lubricating system can be effectively prevented, the service life of an engine lubricating piece can be prolonged, and the engine can be prevented from being damaged.
In embodiments according to the present invention, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. Specific meanings of the above terms in the embodiments according to the present invention can be understood by those of ordinary skill in the art according to specific situations.
In the description of the embodiments according to the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred devices or units must have a specific direction, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the embodiments according to the present invention.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example in accordance with the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment according to the present invention, and is not intended to limit the technical solution of the present application, and it is obvious to those skilled in the art that various modifications and changes can be made to the technical solution of the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. An oil pan liquid level adjustment device (1) for an engine oil pan (211), characterized by comprising:
the air inflation cavity (11) is arranged in the engine oil pan (211);
the air inlet and outlet assembly (12) is communicated with the air inflation cavity (11);
the inflation cavity (11) achieves inflation expansion or exhaust contraction through the air inlet and exhaust assembly (12) so as to adjust the oil level in the engine oil pan (211) through the volume change of the inflation cavity (11).
2. Oil sump level adjustment device (1) according to claim 1,
at least part of the structure of the inflation cavity (11) is an elastic part (111), and the elastic part (111) is elastically deformed under the pressure action of gas in the inflation cavity (11) so as to enable the inflation cavity (11) to realize inflation expansion or exhaust contraction.
3. Oil pan level regulation device (1) according to claim 2, characterized by further comprising:
the oil cavity (13) is arranged in the engine oil pan (211) and used for containing engine oil, an overflow hole (131) is formed in the oil cavity (13), the oil cavity (13) is communicated with the engine oil pan (211) through the overflow hole (131), and the distance from the overflow hole (131) to the bottom plate of the oil cavity (13) is not less than a distance threshold value;
wherein, elastic component (111) are located on curb plate (112) of inflation cavity (11), fluid cavity (13) with be equipped with on inflation cavity (11) curb plate (112) of elastic component (111) are connected, just elastic component (111) can be under the pressure effect of gas to inflation in fluid cavity (13), in order to extrude machine oil in fluid cavity (13), make machine oil pass through overflow hole (131) to engine oil pan (211) interior flow, in order to adjust the machine oil liquid level in the engine oil pan (211).
4. Oil sump level adjustment device (1) according to claim 3, characterized by further comprising:
reset spring (132), locate in fluid cavity (13) and/or in inflation cavity (11), reset spring (132) one end with elastic component (111) are connected, reset spring (132) the other end with the curb plate of fluid cavity (13) or curb plate (112) of inflation cavity (11) are connected, with through reset spring (132) the elastic force of elasticity effect is right elastic component (111) reset.
5. Oil sump level adjustment device (1) according to one of claims 1 to 4,
the inflation cavity (11) is formed by encircling a top plate (113), a plurality of side plates (112) and a part of bottom wall (2112) and a part of side wall (2111) of the engine oil pan (211);
wherein the intake and exhaust assembly (12) is connected to the sidewall (2111).
6. Oil pan level regulation device (1) according to claim 5, characterized in that the intake and exhaust assembly (12) comprises:
the air inlet mechanism (121) is communicated with the air inflation cavity (11) and is used for supplying air into the air inflation cavity (11);
and the exhaust mechanism (122) is communicated with the inflation cavity (11) and is used for exhausting the inflation cavity (11) to the outside.
7. The sump level adjustment device (1) according to claim 6, characterized in that the air inlet means (121) comprises:
the air inlet pipe (1211) is arranged outside the oil pan (211) of the engine, one end of the air inlet pipe (1211) is connected to the side wall (2111) and communicated with the air inflation cavity (11), and the other end of the air inlet pipe (1211) is used for being connected with an external air source;
a switch (1212) provided in the intake pipe (1211), the switch (1212) being capable of turning on or off the intake pipe (1211);
the one-way valve (1213) is arranged in the air inlet pipe (1211) so that the air in the air inlet pipe (1211) flows into the inflation cavity (11) in a one-way mode.
8. An oil pan liquid level regulation device (1) according to any one of claims 1 to 3, characterized by further comprising:
the liquid level detector (14) is arranged in the engine oil pan (211) and is used for detecting the oil level in the engine oil pan (211);
and the controller (15) is electrically connected with the liquid level detector (14) and the air intake and exhaust assembly (12), and the controller (15) controls the working state of the air intake and exhaust assembly (12) according to the oil level in the engine oil pan (211) so as to adjust the oil level in the engine oil pan (211).
9. An engine (2), characterized by comprising:
the engine oil pan is characterized by comprising an engine body (21), wherein an engine oil pan (211) is arranged at the bottom of the engine body (21) and used for containing engine oil;
the engine oil collector (22) is communicated with a lubricating system of the engine body (21), and one end of the engine oil collector (22) extends into the engine oil sump (211) to collect the engine oil in the engine oil sump (211);
an oil pan level regulation device (1) according to any one of claims 1 to 8, connected with the engine oil pan (211) to regulate the oil level in the engine oil pan (211).
10. A vehicle (3), characterized by comprising:
a vehicle body (31);
the engine (2) according to claim 9, provided in the vehicle body (31) for driving the vehicle body (31) to travel;
and the air supply device (32) is arranged in the vehicle body (31), and the air supply device (32) is connected with the air inlet and outlet assembly (12) of the oil pan liquid level adjusting device (1) in the engine (2) so as to supply air to the air inflation cavity (11) of the oil pan liquid level adjusting device (1).
CN202010644734.9A 2020-07-07 2020-07-07 Oil pan liquid level adjusting device, engine and vehicle Active CN111648840B (en)

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0471717U (en) * 1990-10-31 1992-06-25
JPH0714107U (en) * 1993-07-30 1995-03-10 株式会社土屋製作所 Oil level riser for oil pan
DE10309307A1 (en) * 2003-03-04 2004-09-16 Berthold, Rainer, Dipl.-Phys. Fluid filling condition regulation apparatus for open reservoirs, has fluid tubes and fluid compensation lines, with lower openings of pressure compensation lines closer to fluid surface than lower openings of fluid tubes
JP2009052445A (en) * 2007-08-24 2009-03-12 Aisin Seiki Co Ltd Oil control device
JP2010038304A (en) * 2008-08-06 2010-02-18 Toyota Motor Corp Lubricating device
JP2017166411A (en) * 2016-03-16 2017-09-21 三菱自動車工業株式会社 Oil level height control device
CN107345493A (en) * 2016-05-05 2017-11-14 上海汽车集团股份有限公司 Liquid level regulation apparatus and adjusting method, lubricating system and oil change system
CN107719114A (en) * 2017-10-30 2018-02-23 北京汽车研究总院有限公司 A kind of oil-servicing facilities and vehicle
CN111550298A (en) * 2020-06-29 2020-08-18 吉林大学 Engine oil level stabilizing system of engine oil sump and control method thereof
CN212454571U (en) * 2020-07-07 2021-02-02 昆山三一动力有限公司 Oil pan liquid level adjusting device, engine and vehicle

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0471717U (en) * 1990-10-31 1992-06-25
JPH0714107U (en) * 1993-07-30 1995-03-10 株式会社土屋製作所 Oil level riser for oil pan
DE10309307A1 (en) * 2003-03-04 2004-09-16 Berthold, Rainer, Dipl.-Phys. Fluid filling condition regulation apparatus for open reservoirs, has fluid tubes and fluid compensation lines, with lower openings of pressure compensation lines closer to fluid surface than lower openings of fluid tubes
JP2009052445A (en) * 2007-08-24 2009-03-12 Aisin Seiki Co Ltd Oil control device
JP2010038304A (en) * 2008-08-06 2010-02-18 Toyota Motor Corp Lubricating device
JP2017166411A (en) * 2016-03-16 2017-09-21 三菱自動車工業株式会社 Oil level height control device
CN107345493A (en) * 2016-05-05 2017-11-14 上海汽车集团股份有限公司 Liquid level regulation apparatus and adjusting method, lubricating system and oil change system
CN107719114A (en) * 2017-10-30 2018-02-23 北京汽车研究总院有限公司 A kind of oil-servicing facilities and vehicle
CN111550298A (en) * 2020-06-29 2020-08-18 吉林大学 Engine oil level stabilizing system of engine oil sump and control method thereof
CN212454571U (en) * 2020-07-07 2021-02-02 昆山三一动力有限公司 Oil pan liquid level adjusting device, engine and vehicle

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