Nothing Special   »   [go: up one dir, main page]

EP3790747A1 - Unité d'amortissement d'un mécanisme de roulement d'un véhicule avec régulation de niveau - Google Patents

Unité d'amortissement d'un mécanisme de roulement d'un véhicule avec régulation de niveau

Info

Publication number
EP3790747A1
EP3790747A1 EP19724077.3A EP19724077A EP3790747A1 EP 3790747 A1 EP3790747 A1 EP 3790747A1 EP 19724077 A EP19724077 A EP 19724077A EP 3790747 A1 EP3790747 A1 EP 3790747A1
Authority
EP
European Patent Office
Prior art keywords
unit
damper
pressure
pressure accumulator
damper unit
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.)
Pending
Application number
EP19724077.3A
Other languages
German (de)
English (en)
Inventor
Alex Kalnitski
Gregor Mader
Franz Peter
Sebastian Tippl
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.)
E:FS TECHHUB GMBH
Original Assignee
Elektronische Fahrwerksysteme GmbH
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 Elektronische Fahrwerksysteme GmbH filed Critical Elektronische Fahrwerksysteme GmbH
Publication of EP3790747A1 publication Critical patent/EP3790747A1/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
    • B60G13/02—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally
    • B60G13/06—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally of fluid type
    • B60G13/08—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally of fluid type hydraulic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/26—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs
    • B60G11/265—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs hydraulic springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
    • B60G13/14—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers accumulating utilisable energy, e.g. compressing air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
    • B60G15/02—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring
    • B60G15/06—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
    • B60G15/02—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring
    • B60G15/06—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper
    • B60G15/062—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper the spring being arranged around the damper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
    • B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
    • B60G21/06—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected fluid
    • B60G21/073—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected fluid between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/10—Type of spring
    • B60G2202/15—Fluid spring
    • B60G2202/154—Fluid spring with an accumulator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/20—Type of damper
    • B60G2202/24—Fluid damper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/20—Type of damper
    • B60G2202/24—Fluid damper
    • B60G2202/242—Pneumatic damper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/80—Interactive suspensions; arrangement affecting more than one suspension unit
    • B60G2204/82—Interactive suspensions; arrangement affecting more than one suspension unit left and right unit on same axle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/80—Interactive suspensions; arrangement affecting more than one suspension unit
    • B60G2204/83—Type of interconnection
    • B60G2204/8304—Type of interconnection using a fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2300/00—Indexing codes relating to the type of vehicle
    • B60G2300/60—Vehicles using regenerative power

Definitions

  • the invention relates to a damper unit for a chassis of a vehicle with level control according to the independent claim.
  • the invention is concerned with the technical field of motor vehicles with level chassis, in particular with the problem of changing the level position of the vehicle by means of the vehicle damper in the implementation of the level function.
  • Conventional dampers for a motor vehicle include a hydraulic cylinder in which a piston is movably arranged in a container tube filled with damper fluid (oil, gas, etc.).
  • the container tube is directly connected to the wheel and the piston rod is fixed to the body.
  • DE 2 83 00 75 A1 discloses a vehicle in which the energy of the axle oscillation is stored by means of an electrical converter.
  • an induction current is generated by means of a correspondingly formed coil arrangement in an axis movement.
  • the induction current provides the electrical energy for use by electrical consumers.
  • This solution is a complicated and error-prone construction, in which only little electrical energy from the axle vibration for the electrical consumers, such.
  • B. a pump for a chassis, is provided. Therefore, the operation of a ride-on is not described therein. It is the object of the present invention to provide a damper unit for a chassis of a vehicle with level control, which uses energy derived from the damping of the vehicle and is simple in construction.
  • the invention comprises a damper unit for a chassis of a vehicle with a level control.
  • the damper unit (actuator unit) comprises a hydraulic cylinder with a container tube filled with a damper fluid, in which a piston is movably arranged and separates an upper container space and a lower container space.
  • the piston comprises a (single) first valve for flowing through the damper fluid upon movement of the piston in a first direction (A, pull direction or pressure direction).
  • the damper unit further includes a pressure accumulator and a check valve. The accumulator is connected via the check valve in such a way with the container tube that during a movement of the piston, in at least one direction, damper fluid is pumped through the check valve into the pressure accumulator.
  • the damper unit By pumping the damper fluid through the check valve into the accumulator, the pressure level in the accumulator increases.
  • the damper fluid under this increased pressure may be directed into a reservoir space to move (eg, lift) the piston, thereby changing the height level of the vehicle.
  • the damper unit thus provided utilizes the energy induced during vehicle movement in a simple manner to actuate a chassis for a vehicle with level control.
  • the pressure accumulator is connected via the check valve on the upper tank space with the container tube.
  • damper fluid is pumped through the check valve in the pressure accumulator.
  • Another advantageous aspect of the invention provides that the piston rod via a spring is indirectly or directly clamped against the container tube.
  • the advantages described can be realized on a compact damper unit.
  • the spring may be arranged lying around the piston rod.
  • the spring may be arranged adjacent to the piston rod.
  • the pressure accumulator comprises a pressure-limiting unit (eg a pressure-limiting valve).
  • the pressure limiting unit does not allow the pressure in the accumulator to rise above a predetermined threshold.
  • the pressure limiting unit can drain the hydraulic fluid when the threshold value is exceeded or feed it back to the container tube.
  • the damper unit further comprises a reservoir for the damper fluid.
  • the reservoir is a volume which can absorb and release damper fluid with minimal pressure change.
  • the pressure limiting unit is arranged between pressure accumulator and the reservoir. The reservoir can be kept at a predetermined pressure level.
  • the reservoir is a non-pressurized reservoir.
  • pressureless means that only atmospheric pressure prevails.
  • the pressure accumulator is a pneumatic pressure accumulator.
  • the pressure accumulator is a hermetically sealed container in which a predetermined volume of compressed air can be kept. This volume of compressed air can be selected individually according to the needs and size of the damper unit.
  • a preferred example is a hydropneumatic pressure accumulator, in which a container of a flexible
  • Partition is divided into two chambers. In one chamber is the pressurized damper fluid (liquid) and in the other chamber is a gas, such as nitrogen. In such an energy storage, the energy delivered when lowering the vehicle height can be recorded and then made available again.
  • a gas such as nitrogen
  • the pressure accumulator may be a mechanical pressure accumulator in which, for example, mechanical deformation energy is stored in a spring (such as a coil spring).
  • the pressure limiting unit is designed such that it has an opening pressure.
  • the pressure limiting unit is designed such that the opening pressure is adjusted so that the chassis can still be adjusted on the maximum fleas due to the energy stored in the pressure accumulator.
  • the pressure limiting unit is designed such that it has an adjustable opening pressure. The setting can be adjusted, for example, according to the terrain type used.
  • the pressure limiting unit may include a throttle unit and / or an aperture unit to control the damper fluid.
  • the pressure limiting unit itself is designed as a throttle valve.
  • the damper unit comprises a switching valve (eg further check valve, adjustable spring-loaded check valve, switching unit), a further pressure accumulator and a further pressure-limiting unit (adjustable pressure-limiting unit).
  • check valve is also a switching unit or a switching valve to understand.
  • the accumulator which is closer to the cylinder, filled without the subsequently connected further pressure accumulator is filled. If the first accumulator filled, not overpressure is discharged, but the overpressure is used to fill the additional pressure accumulator via another check valve with a defined opening pressure.
  • the pressure or the under pressure damper fluid of the further pressure accumulator can be used via a switchable valve to reach the low level and concomitant filling of the first pressure accumulator.
  • the damper unit further comprises a pump unit.
  • the pump unit preferably comprises a hydraulic pump or a pneumatic pump (with electrical control).
  • Upper and lower damper chambers are connected via a pump unit which conveys towards the upper pump chamber. This allows an adjustment of the level without induced roadway excitation (eg in the state).
  • the invention also includes a chassis with a plurality of damper units (as described herein).
  • Each damper unit includes a pressure accumulator.
  • at least two damper units comprise a common pressure accumulator.
  • the accumulators and the reservoirs are fluidly (hydraulically) connected via valves, throttles or orifices.
  • FIG. 1 is a schematic representation of a damper unit for a chassis of a vehicle with level control according to an embodiment of the invention.
  • FIG. 2 shows a variant of the damper unit from FIG. 1 with a throttle unit and a diaphragm unit;
  • FIG. 1 is a schematic representation of a damper unit for a chassis of a vehicle with level control according to an embodiment of the invention.
  • FIG. 2 shows a variant of the damper unit from FIG. 1 with a throttle unit and a diaphragm unit;
  • FIG. 1 is a schematic representation of a damper unit for a chassis of a vehicle with level control according to an embodiment of the invention.
  • FIG. 2 shows a variant of the damper unit from FIG. 1 with a throttle unit and a diaphragm unit;
  • FIG. 1 is a schematic representation of a damper unit for a chassis of a vehicle with level control according to an embodiment of the invention.
  • FIG. 2 shows a variant of the damper unit from FIG.
  • FIG. 3 shows a variant of the damper unit from FIG. 1 with a pump unit
  • FIG. 4 shows a further variant of the damper unit from FIG. 1 with an electrically actuated pump unit
  • Fig. 5 shows an additional variant of the damper unit of Fig. 1 with two
  • Fig. 6 shows a chassis with two damper units.
  • Fig. 1 shows a damper unit 10 according to an embodiment of the invention.
  • four damper units 10 that is, one per wheel, can be used to realize a chassis (see Fig. 6) with level control.
  • the damper unit 10 comprises a hydraulic cylinder 1 with a damper fluid (eg hydraulic fluid) filled container tube 2.
  • a piston 3 is arranged to be movable.
  • the piston 3 is guided in such a fluid-tight manner on the inner wall of the container tube 2 that it is separated from the piston 3 moving therein into an upper container space 21 and into a lower container space 22 (fluidically).
  • a first valve 41 is provided for flowing through the damper fluid during a movement of the piston 3 in a first direction A.
  • the first valve 41 is designed in the manner of a throttle valve, which opens downwards in the direction of (pressure) movement upon movement of the piston in order to allow a flow of damper fluid from the lower reservoir chamber 22 into the upper reservoir chamber 21.
  • the damper unit 10 has a pressure accumulator 5 and a check valve 6, wherein the check valve 6 is connected to the upper tank space 21 and connects it to the pressure accumulator 5.
  • the check valve 6 acts to open upward upon movement of the piston in the (pulling) direction to allow flow of damper fluid from the upper tank space 21 into the pressure accumulator. In this way damper fluid is pumped through the check valve 6 in the pressure accumulator 5 while the spring 7 relaxes.
  • the accumulator 5 is a pneumatic pressure accumulator.
  • the damper unit 10 thus provided utilizes the energy induced by vehicle motion in a simple manner to actuate a chassis (see FIG. 6) for a vehicle with a level control.
  • a pressure limiting unit 8 is arranged, which is connected to a reservoir 9.
  • the pressure limiting unit 8 has a predetermined and / or regulated opening pressure, from which opens this. This can damage the Accumulator 5 can be avoided due to an overpressure.
  • the opening pressure is selected in the pressure limiting unit 8 so as to ensure a complete lowering (maximum stroke from a high position of the chassis to a low position of the chassis) of the chassis (and vice versa to achieve a high level). It can be provided that the pressure limiting unit 8 has an adjustable / regulated opening pressure, which can be selected, for example, according to the payload.
  • the damper unit 10 comprises a pressure accumulator 5, which is connected via a check valve 6 to the container tube 2.
  • the pressure accumulator 5 is connected to a pressure limiting unit 8, which in turn is connected to a reservoir 9, in which the excess damper fluid is introduced after exceeding a predetermined pressure in the pressure accumulator 5.
  • a throttle unit 82 and / or a diaphragm unit 83 Between the hydraulic valve 8 and the reservoir 9 sit a throttle unit 82 and / or a diaphragm unit 83.
  • the damper unit 10 comprises an additional check valve 13 between the reservoir 9 and the container tube 2.
  • FIGS. 3 and 4 show two further variants of the damper unit 10 just described with a pump unit.
  • the damper unit 10 includes a pneumatic (or hydraulic) pump 24 with an (electronic) control 241.
  • the damper unit 10 includes a further (eg, spring-loaded) check valve 61, a further pressure accumulator 51 and a further (eg switchable) pressure limiting unit 81.
  • the further check valve 61 is arranged between the pressure accumulator 5 and the pressure limiting unit 8.
  • the further check valve 61 opens at a lower pressure than the pressure limiting unit 8.
  • the further pressure accumulator 51 connects, which in turn is connected to the further pressure-limiting unit 81.
  • the further pressure-limiting unit 81 is connected to the upper tank space 21. Due to the further pressure accumulator 51, the possibility of storing energy can be increased.
  • Fig. 6 The aspect of the invention relating to the chassis 100 is shown in Fig. 6, wherein two damper units 10 are shown.
  • the two pressure accumulators 5 are fluidly coupled to each other via a throttle unit 82 (additive or alternatively aperture unit). This ensures a uniform pressure that allows a uniform level adjustment in all damper units.
  • the respective reservoirs 9 are fluidically coupled to each other, so that an exchange of the damper fluid is made possible. In the illustration shown, the reservoirs 9 are coupled to one another via a throttle unit 82.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

L'invention concerne une unité d'amortissement (10) destinée à un mécanisme de roulement (100) d'un véhicule et comprenant une régulation de niveau. L'unité d'amortissement (10) comprend un cylindre hydraulique (1) pourvu d'un tube récipient (2) qui est rempli de fluide d'amortissement et dans lequel un piston (3) est disposé de manière mobile et sépare un espace de récipient supérieur (21) et un espace de récipient inférieur (22). Le piston (3) comprend une première vanne (41) destinée à au passage du fluide d'amortissement lors du mouvement du piston (3) dans une première direction A. L'unité d'amortissement (10) comprend en outre un accumulateur de pression (5) et une vanne anti-retour (6). L'accumulateur de pression (5) est relié au tube récipient (2) par le biais de la vanne anti-retour (6) de telle sorte que, lors du mouvement du piston (3) dans au moins une direction, un fluide d'amortissement est pompé par la vanne anti-retour (6) pour être amené dans l'accumulateur de pression (5).
EP19724077.3A 2018-05-07 2019-05-03 Unité d'amortissement d'un mécanisme de roulement d'un véhicule avec régulation de niveau Pending EP3790747A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018110916.4A DE102018110916A1 (de) 2018-05-07 2018-05-07 Dämpfereinheit für ein Fahrwerk von einem Fahrzeug mit Niveauregelung
PCT/DE2019/100396 WO2019214770A1 (fr) 2018-05-07 2019-05-03 Unité d'amortissement d'un mécanisme de roulement d'un véhicule avec régulation de niveau

Publications (1)

Publication Number Publication Date
EP3790747A1 true EP3790747A1 (fr) 2021-03-17

Family

ID=66541985

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19724077.3A Pending EP3790747A1 (fr) 2018-05-07 2019-05-03 Unité d'amortissement d'un mécanisme de roulement d'un véhicule avec régulation de niveau

Country Status (6)

Country Link
US (1) US11970034B2 (fr)
EP (1) EP3790747A1 (fr)
KR (1) KR102536091B1 (fr)
CN (1) CN112243413B (fr)
DE (1) DE102018110916A1 (fr)
WO (1) WO2019214770A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12083851B1 (en) 2023-05-15 2024-09-10 DRiV Automotive Inc. Single axle roll control system with multiple circuit-specific pressurizing devices
US12083848B1 (en) 2023-05-15 2024-09-10 DRiV Automotive Inc. Single axle roll control system with dual impeller pump arrangement

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1530531C3 (de) * 1965-01-12 1974-03-14 Daimler-Benz Ag, 7000 Stuttgart Hydropneumatische Zusatzfederung mit Niveauregelung für Fahrzeuge
US3921746A (en) * 1972-12-28 1975-11-25 Alexander J Lewus Auxiliary power system for automotive vehicle
US4295538A (en) 1974-03-21 1981-10-20 Lewus Alexander J Auxiliary power system for automotive vehicle
DE2830075A1 (de) 1978-07-08 1980-01-17 Fichtel & Sachs Ag Energieumwandler
EP0461981A3 (en) * 1990-06-13 1993-08-04 Messier Bugatti Spring-damper unit with variable stroke for a vehicle
CN1242891C (zh) * 2002-11-08 2006-02-22 刘艳阳 汽车制动能和车轮振动能利用装置
AU2002953153A0 (en) * 2002-12-06 2002-12-19 Kinetic Pty Limited Hydraulic suspension system
CN101061004B (zh) * 2004-07-30 2010-10-06 凯耐提克控股有限公司 车辆的液压悬架系统
SE531618C2 (sv) 2006-02-23 2009-06-09 Oehlins Racing Ab Elektrisk styrd trycksatt dämpare
JP2011025901A (ja) 2009-07-21 2011-02-10 Atsuo Morikawa サスペンション油圧発電システム
CN201472099U (zh) 2009-09-03 2010-05-19 三一集团有限公司 一种集装箱吊运车辆
DE102009056874A1 (de) 2009-12-03 2010-07-22 Daimler Ag Federdämpfervorrichtung für ein Fahrzeug
DE102010008748A1 (de) * 2010-02-20 2011-08-25 Dr. Ing. h.c. F. Porsche Aktiengesellschaft, 70435 Luftfedersystem
DE102011084089A1 (de) * 2011-10-06 2013-04-11 Bayerische Motoren Werke Aktiengesellschaft Fahrzeug-Radaufhängung mit einem hydraulischen Schwingungs-Dämpfer
US8966889B2 (en) * 2011-11-01 2015-03-03 Tenneco Automotive Operating Company Inc. Energy harvesting passive and active suspension
DE102012106185B3 (de) * 2012-07-10 2013-11-21 Fsp Fluid Systems Partners Holding Ag Steueranordnung für ein hydropneumatisches Federungssystem sowie hydropneumatisches Federungssystem mit einer solchen Steueranordnung
CN202847366U (zh) * 2012-08-22 2013-04-03 陈传裕 车辆避震能量回收利用装置
US8820064B2 (en) 2012-10-25 2014-09-02 Tenneco Automotive Operating Company Inc. Recuperating passive and active suspension
US8814178B2 (en) * 2012-11-14 2014-08-26 GM Global Technology Operations LLC Vehicle suspension systems
US9481221B2 (en) * 2013-01-08 2016-11-01 Tenneco Automotive Operating Company Inc. Passive and active suspension with optimization of energy usage
DE102014208083A1 (de) * 2014-04-29 2015-10-29 Bayerische Motoren Werke Aktiengesellschaft Dämpfer für ein Fahrzeug
DE102014208320A1 (de) * 2014-05-05 2015-11-05 Bayerische Motoren Werke Aktiengesellschaft Aktives Dämpfersystem für ein Fahrzeug
CN104373497B (zh) 2014-10-17 2017-02-15 武汉理工大学 一种并联式液电馈能悬架系统
CN104608574B (zh) * 2014-12-03 2017-05-31 中国北方车辆研究所 一种车辆抗侧翻悬架装置
CN104476997B (zh) * 2014-12-29 2016-09-07 湖南大学 一种连通式液压馈能悬架系统
WO2016198919A1 (fr) 2015-06-12 2016-12-15 Леонид ЧЕРНИН Système d'amortissement à regénération
CN204961669U (zh) * 2015-06-15 2016-01-13 万向钱潮股份有限公司 液电馈能式半主动控制减振器系统
CN105539060B (zh) 2015-12-22 2017-10-20 江苏大学 一种液压互联式悬架
US10214071B1 (en) * 2016-05-28 2019-02-26 PAL Suspension LLC Vehicle suspension system with multi-stage hydraulic cylinder assemblies and external spring packs
CN106114111B (zh) * 2016-06-24 2018-10-09 江苏大学 一种含有驾驶行为预测模型的可调阻尼馈能悬架系统及其控制方法
CN106183686B (zh) 2016-08-01 2018-12-14 江苏大学 一种油气主动互联馈能悬架
CN107116984A (zh) 2017-04-27 2017-09-01 江苏大学 一种整车液压互联馈能悬架

Also Published As

Publication number Publication date
CN112243413A (zh) 2021-01-19
US11970034B2 (en) 2024-04-30
CN112243413B (zh) 2024-09-10
KR20210002707A (ko) 2021-01-08
WO2019214770A1 (fr) 2019-11-14
US20210331544A1 (en) 2021-10-28
KR102536091B1 (ko) 2023-05-26
DE102018110916A1 (de) 2019-11-07

Similar Documents

Publication Publication Date Title
DE102013110923B4 (de) Fahrzeugsitz oder Fahrzeugkabine mit einer Federungseinrichtung und Nutzkraftfahrzeug
EP2763863B1 (fr) Suspension de roue de véhicule pourvue d'un amortisseur de vibrations hydraulique
EP3137321B1 (fr) Agencement d'un amortisseur de vibrations associé à une roue d'un véhicule
DE102006025826B4 (de) Selbstpumpendes hydropneumatisches Federbein
DE4014466A1 (de) Fahrzeugfederung
DE102013215360A1 (de) Höhenverstellvorrichtung für Fahrzeuge mit Luftfeder und Schwingungsdämpfer
DE19959197B4 (de) Selbstpumpendes hydropneumatisches Federbein mit innerer Niveauregelung
DE1505522B1 (de) Hydropneumatischer Einrohr-Teleskopstossdaempfer mit davon unabhaengiger,parallel geschalteter Gasfeder und selbsttaetig steuerbarem Daempfungsgrad,insbesondere fuer Kraftfahrzeuge
WO2020001962A1 (fr) Suspension de roue de véhicule avec un système de positionnement pour le pied d'un ressort porteur de carrosserie
DE1680680A1 (de) Hydropneumatische Federung mit selbsttaetiger Niveauregelung und Schwingungsdaempfung
DE102013206122B4 (de) Vorrichtung zur Höhenverstellung eines Fahrzeugaufbaus
EP1464865B2 (fr) Unité ressort-amortisseur pneumatique
DE102008032950B3 (de) Selbstpumpendes hydropneumatisches Federbein
EP3790747A1 (fr) Unité d'amortissement d'un mécanisme de roulement d'un véhicule avec régulation de niveau
DE19857595A1 (de) Selbstpumpendes hydropneumatisches Federbein mit innerer Niveauregelung
WO2017137180A1 (fr) Amortisseur de vibrations pourvu d'une chambre de compensation
DE1530531B2 (de) Hydropneumatische zusatzfederung mit niveauregelung fuer fahrzeuge
DE102009047134A1 (de) Radaufhängung für ein Fahrzeug
DE102014005602A1 (de) Lagerung eines Dämpfer- und/oder Federbeins an einem Fahrzeug
DE1115536B (de) Pneumatische Abfederungsvorrichtung
DE102013210556B4 (de) Vorrichtung zur Höhenverstellung eines Fahrzeugaufbaus
DE102009011414A1 (de) Feder-Dämpfer-Einheit für Fahrwerke von Fahrzeugen
DE19635880C2 (de) Selbstpumpendes hydropneumatisches Federbein mit innerer Niveauregelung
WO2015024902A1 (fr) Vérin hydraulique d'actionnement d'un frein électromagnétique sur rails
DE102009035570A1 (de) Hydropneumatische Kolbenzylinderanordnung

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: UNKNOWN

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20201123

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

RIN1 Information on inventor provided before grant (corrected)

Inventor name: KALNITSKI, ALEX

Inventor name: MADER, GREGOR

Inventor name: PETER, FRANZ

Inventor name: TIPPL, SEBASTIAN

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20220530

RAP3 Party data changed (applicant data changed or rights of an application transferred)

Owner name: E:FS TECHHUB GMBH