WO2007033718A1 - Stabilisator-baugruppe für ein kraftfahrzeug - Google Patents
Stabilisator-baugruppe für ein kraftfahrzeug Download PDFInfo
- Publication number
- WO2007033718A1 WO2007033718A1 PCT/EP2006/007154 EP2006007154W WO2007033718A1 WO 2007033718 A1 WO2007033718 A1 WO 2007033718A1 EP 2006007154 W EP2006007154 W EP 2006007154W WO 2007033718 A1 WO2007033718 A1 WO 2007033718A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- stabilizer assembly
- fluid pressure
- assembly according
- chamber
- hydraulic cylinder
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/027—Mechanical springs regulated by fluid means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/027—Mechanical springs regulated by fluid means
- B60G17/0277—Mechanical springs regulated by fluid means the mechanical spring being a torsion spring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
- B60G17/016—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input
- B60G17/0162—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input mainly during a motion involving steering operation, e.g. cornering, overtaking
-
- 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
- B60G21/04—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 mechanically
- B60G21/05—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 mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
- B60G21/055—Stabiliser bars
-
- 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
- B60G21/04—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 mechanically
- B60G21/05—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 mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
- B60G21/055—Stabiliser bars
- B60G21/0551—Mounting means therefor
- B60G21/0553—Mounting means therefor adjustable
- B60G21/0555—Mounting means therefor adjustable including an actuator inducing vehicle roll
-
- 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
- B60G2202/13—Torsion spring
- B60G2202/135—Stabiliser bar and/or tube
-
- 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
- B60G2202/30—Spring/Damper and/or actuator Units
- B60G2202/32—The spring being in series with the damper and/or actuator
-
- 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
- B60G2202/40—Type of actuator
- B60G2202/41—Fluid actuator
- B60G2202/413—Hydraulic actuator
-
- 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
- B60G2202/40—Type of actuator
- B60G2202/41—Fluid actuator
- B60G2202/414—Fluid actuator using electrohydraulic valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2500/00—Indexing codes relating to the regulated action or device
- B60G2500/20—Spring action or springs
Definitions
- the invention relates to a stabilizer assembly for a motor vehicle, having a first fluid pressure actuator and a second fluid pressure actuator, which are associated with opposite ends of a transverse stabilizer
- Such stabilizer assemblies are used in active undercarriage systems for suppressing or controlling the rolling movements of the vehicle body when cornering.
- an inherently passive anti-roll bar has been known for a long time.
- Such a stabilizer consists of an elastic central part which is rotatable on the body of the vehicle Vehicle is attached, as well as two levers, which are connected to the suspension now changes on one side of the vehicle, compared with the other side of the vehicle, the vertical distance between the vehicle axle, which is assigned to the stabilizer bar, and the body, so the anti-roll bar with Increasing distance change increasingly elastically braced This creates a rolling moment that tries to penetrate the vehicle body in a position in which both ends of the vehicle axle have the same distance from the vehicle body
- the already mentioned active suspensions are used to change the chassis characteristics by means of actuators depending on vehicle parameters and traffic situation, for example by biasing or relieving anti-roll bars. This leads to a better adaptation of the vehicle to the respective traffic situation, such as improved Ground grip when cornering
- Each of the hydraulic actuators designed as a piston-cylinder unit has two pressure connections, by means of which the two cylinder chambers present in each actuator can be pressurized.
- Reservoir provided, which form a relatively complicated arrangement with not negligible space requirements.
- the invention provides a stabilizer assembly of the type mentioned, which is characterized by a simple construction and a significantly reduced space and therefore is particularly cost feasible.
- a pressure fluid connection is provided at each of the fluid pressure actuators in a stabilizer assembly of the type mentioned.
- the fluid pressure actuator is a linear fluid pressure actuator, which is characterized by a simple structure and therefore operates particularly reliable.
- the fluid pressure actuator is a
- Hydraulic cylinder and the pressure fluid connection a hydraulic connection. Hydraulic cylinders are standard components that are available at low cost.
- the hydraulic cylinder has a return element, which is arranged in an inner space of the hydraulic cylinder.
- a return element which is arranged in an inner space of the hydraulic cylinder.
- the hydraulic cylinder has a piston which is acted upon by the restoring element in a neutral position Therefore, only a hydraulic connection is necessary to bring the piston in an extended position, as this can be returned by the restoring element in the neutral position Since also the neutral position not , as usual in hydraulic cylinders, is limited to a middle position of the piston, can be achieved by a suitable choice of piston neutral position, a hydraulic cylinder, which is characterized by a particularly small axial dimension
- the piston divides the interior of the hydraulic cylinder into a first chamber and a second chamber, wherein the first chamber via the
- Hydraulic connection is connected to a source and the second chamber under
- Atmospheric pressure is With a suitable design of the hydraulic cylinder, in which the piston rod extends in the second chamber and out of this, therefore, a seal around the piston rod is unnecessary, which makes the hydraulic cylinder particularly simple and inexpensive to produce
- the restoring element can be arranged in the first chamber. In this way, the second chamber can be completely utilized for the piston travel
- the restoring element is a helical spring, which represents a reliable, almost maintenance-free and yet inexpensive component
- a valve is provided for actuating both fluid pressure actuators, which is arranged between a pressure source and the pressure fluid connections.
- the valve has a neutral position and two actuating positions, a fluid pressure actuator being actuated in each actuation position. This results in an uncomplicated and less susceptible arrangement
- Valve both fluid pressure actuators connected to a reservoir of the pressure source This allows a pressure exchange of the fluid pressure actuators both with the reservoir as well as with each other, whereby the mechanical transverse stabilizer is bridged in the neutral position
- FIG. 1 is a schematic representation of a stabilizer assembly according to the invention in a neutral position
- FIG. 2 is a schematic representation of the stabilizer assembly of Figure 1 in a Betat instructswolf
- FIG. 1 schematically shows a stabilizer assembly 10 with a transverse stabilizer 12 for an axle of a vehicle.
- the stabilizer bar 12 has a lever arm 14, a lever arm 16 in the figure, and a middle part 18 Longitudinal axis rotatably mounted in two bearings 20 and 22 on the vehicle body, while the two lever arms 14 and 16 are each connected to a linear fluid pressure actuator in the form of a hydraulic cylinder 24 and 26 respectively
- Each hydraulic cylinder 24 or 26 comprises a piston 28 or 30 and a Zyhnderkorper 32 or 34, wherein the piston 28 and 30 is fixed to the lever arm 14 or 16 of the transverse star 12 and the Zylinderkorper 32 or 34 can be connected to the respective suspension
- the commonly present coupling rods that connect the lever arms 14 and 16 of the Querstabihsators 12 with the suspension of the vehicle.
- the wheels, not shown so are connected to attachment points 35
- the interior spaces of the Zylinderkorper 32 and 34 are each divided into a first chamber 36 and 38 and a second chamber 40 and 42
- a restoring element in the form of a coil spring 44 and 46 is arranged, the the respective piston 28 and 30 coupled to the associated Zylinderkorper 32 and 34, respectively
- the second chamber 40 or 42 in which a rod section 48 or 50 of the piston 28 or 30 extends, is not opposite to the atmosphere
- the first chamber 36 or 38 is sealed by the piston 28 or 30 and is connected via a pressure fluid connection, more precisely via a hydraulic connection 52 or 54 and an associated hydraulic line 56 or 58 to a pressure source 60 in the connection
- the pressure source 60 comprises a hydraulic pump 62 and a non-pressurized reservoir 64 between the hydraulic cylinders 24 and 26 and the pressure source 60, a valve 66 is provided for controlling the stabilizer assembly 10.
- the valve 66 which may be, for example, a solenoid valve has a neutral position II and two actuation positions I and IM, respectively. In the neutral position II, both hydraulic cylinders 24 and 26 are connected to the reservoir 64
- both the valve 66 and both hydraulic cylinders 24 and 26 are in the neutral position, the neutral position of the piston 28 and 30 is determined by the springs 44 and 46, wherein in the embodiment shown the neutral position of the piston 28 or 30 is selected so that the first chamber 36 or 38 is dimensioned much smaller in the neutral position than the second chamber 40 or 42
- the piston 28 or 30 at the same size of the hydraulic cylinder 24 or 26 is almost twice Lift height available, as would be the case with a conventional linear actuator, in which the piston is arranged centrally in the neutral position
- the valve 66 is switched to the actuation position I shown in Figure 2.
- the first Chamber 36 of the left in the figure left hydraulic cylinder 24 via the hydraulic port 52 pressurized, causing the piston 28 moves against the pressure prevailing in the second chamber 40 atmospheric pressure down, while the right in the figure hydraulic cylinder 26 is blocked in its neutral position is rotated the pressurized hydraulic cylinder 24, the anti-roll bar 12, which allows the provision of a controlled rolling torque to the body
- the right in the figures hydraulic cylinder 26 can be actuated by the valve 66 is switched to the operating position III, in which case the left hydraulic cylinder 24 is blocked in its neutral position.
- a return of the respective deflected piston 28 and 30 takes place after switching the valve 66 in the neutral position Il due to the restoring force of the spring 44 and 46 and the forces acting on the vehicle from the outside forces.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112006002527T DE112006002527A5 (de) | 2005-09-21 | 2006-07-20 | Stabilisator-Baugruppe für ein Kraftfahrzeug |
US11/992,357 US8256775B2 (en) | 2005-09-21 | 2006-07-20 | Stabilizer assembly unit for a motor vehicle |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202005014926.8 | 2005-09-21 | ||
DE202005014926U DE202005014926U1 (de) | 2005-09-21 | 2005-09-21 | Stabilisator-Baugruppe für ein Kraftfahrzeug |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007033718A1 true WO2007033718A1 (de) | 2007-03-29 |
Family
ID=35455622
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2006/007154 WO2007033718A1 (de) | 2005-09-21 | 2006-07-20 | Stabilisator-baugruppe für ein kraftfahrzeug |
Country Status (5)
Country | Link |
---|---|
US (1) | US8256775B2 (de) |
KR (1) | KR20080059241A (de) |
CN (1) | CN101267954A (de) |
DE (2) | DE202005014926U1 (de) |
WO (1) | WO2007033718A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007062146A1 (de) * | 2007-12-21 | 2009-06-25 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | System zur aktiven Wankstabilisierung |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005045177A1 (de) * | 2005-09-21 | 2007-03-22 | Zf Friedrichshafen Ag | Fahrzeug |
DE102006009524A1 (de) * | 2006-02-28 | 2007-09-06 | Pnp Automotive Gmbh | Stabilisator für ein Kraftfahrzeug |
DE102009022763A1 (de) * | 2009-05-27 | 2010-12-02 | Trw Automotive Gmbh | Aktives Fahrwerkstabilisierungssystem |
DE102011056868A1 (de) * | 2011-12-22 | 2013-06-27 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Fahrwerk eines Kraftfahrzeugs |
KR101338449B1 (ko) | 2012-05-25 | 2013-12-10 | 현대자동차주식회사 | 차량용 안티 롤 장치 |
NL2012013C2 (en) * | 2013-12-20 | 2015-06-26 | Daf Trucks Nv | Cabin leveling device, and a truck or tractor fitted with the cabin leveling device. |
CN104842735B (zh) * | 2014-04-04 | 2017-09-15 | 北汽福田汽车股份有限公司 | 车辆减震装置、主动悬架及车辆 |
US9751374B2 (en) * | 2014-09-22 | 2017-09-05 | GM Global Technology Operations LLC | Vehicle and a height adjustment system for the vehicle |
FR3036325B1 (fr) * | 2015-05-19 | 2018-10-19 | Psa Automobiles Sa. | Systeme anti-roulis a action variable pour vehicule automobile |
CN105082924A (zh) * | 2015-08-24 | 2015-11-25 | 华一精密机械(昆山)有限公司 | 一种汽车平衡杆 |
CN111075881A (zh) * | 2018-10-18 | 2020-04-28 | 湖北火鑫消防车辆装备有限公司 | 车体主动平衡*** |
US11161383B1 (en) * | 2020-04-30 | 2021-11-02 | GM Global Technology Operations LLC | Process and system for correcting longitudinal roll from offset load using active roll control |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4593920A (en) * | 1983-10-27 | 1986-06-10 | Nippondenso Co., Ltd. | Vehicle height control system |
DE4115593A1 (de) * | 1991-05-14 | 1992-11-19 | Bosch Gmbh Robert | Niveauregeleinrichtung fuer fahrzeuge |
DE4443809A1 (de) | 1994-12-09 | 1996-04-04 | Fichtel & Sachs Ag | Stabilisatoranordnung für ein Fahrwerk eines Kraftfahrzeugs |
EP0739767A1 (de) * | 1995-04-27 | 1996-10-30 | Automobiles Peugeot | Automatische und manuelle Niveauregelungsvorrichtung für eine Kraftfahrzeugsachse mit hydropneumatischer Aufhängung oder ähnliches |
WO2002083439A1 (en) | 2001-04-10 | 2002-10-24 | Delphi Technologies, Inc. | Vehicle roll control system |
US20030205868A1 (en) * | 2002-05-01 | 2003-11-06 | Downey Doyle R. | Simplifed adaptive suspension |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0755610B2 (ja) | 1986-07-11 | 1995-06-14 | トヨタ自動車株式会社 | スタビライザ装置 |
DE3939650A1 (de) * | 1989-11-30 | 1991-06-06 | Daimler Benz Ag | Hydraulische daempferanordnung |
DE19756505A1 (de) | 1997-12-19 | 1999-06-24 | Hydraulik Ring Gmbh | Stabilisierungseinrichtung für Fahrwerke von Fahrzeugen, vorzugsweise von Kraftfahrzeugen |
US6264212B1 (en) | 1998-08-20 | 2001-07-24 | Technology Investments Limited | Vehicle suspension system |
DE102005045177A1 (de) | 2005-09-21 | 2007-03-22 | Zf Friedrichshafen Ag | Fahrzeug |
-
2005
- 2005-09-21 DE DE202005014926U patent/DE202005014926U1/de not_active Expired - Lifetime
-
2006
- 2006-07-20 KR KR1020087009495A patent/KR20080059241A/ko not_active Application Discontinuation
- 2006-07-20 WO PCT/EP2006/007154 patent/WO2007033718A1/de active Application Filing
- 2006-07-20 US US11/992,357 patent/US8256775B2/en not_active Expired - Fee Related
- 2006-07-20 DE DE112006002527T patent/DE112006002527A5/de not_active Withdrawn
- 2006-07-20 CN CNA2006800348808A patent/CN101267954A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4593920A (en) * | 1983-10-27 | 1986-06-10 | Nippondenso Co., Ltd. | Vehicle height control system |
DE4115593A1 (de) * | 1991-05-14 | 1992-11-19 | Bosch Gmbh Robert | Niveauregeleinrichtung fuer fahrzeuge |
DE4443809A1 (de) | 1994-12-09 | 1996-04-04 | Fichtel & Sachs Ag | Stabilisatoranordnung für ein Fahrwerk eines Kraftfahrzeugs |
EP0739767A1 (de) * | 1995-04-27 | 1996-10-30 | Automobiles Peugeot | Automatische und manuelle Niveauregelungsvorrichtung für eine Kraftfahrzeugsachse mit hydropneumatischer Aufhängung oder ähnliches |
WO2002083439A1 (en) | 2001-04-10 | 2002-10-24 | Delphi Technologies, Inc. | Vehicle roll control system |
US20030205868A1 (en) * | 2002-05-01 | 2003-11-06 | Downey Doyle R. | Simplifed adaptive suspension |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007062146A1 (de) * | 2007-12-21 | 2009-06-25 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | System zur aktiven Wankstabilisierung |
Also Published As
Publication number | Publication date |
---|---|
US8256775B2 (en) | 2012-09-04 |
DE202005014926U1 (de) | 2005-11-24 |
KR20080059241A (ko) | 2008-06-26 |
US20090302555A1 (en) | 2009-12-10 |
CN101267954A (zh) | 2008-09-17 |
DE112006002527A5 (de) | 2008-08-14 |
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