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GB1387970A - Fluid suspension for road vehicles - Google Patents

Fluid suspension for road vehicles

Info

Publication number
GB1387970A
GB1387970A GB4830573A GB4830573A GB1387970A GB 1387970 A GB1387970 A GB 1387970A GB 4830573 A GB4830573 A GB 4830573A GB 4830573 A GB4830573 A GB 4830573A GB 1387970 A GB1387970 A GB 1387970A
Authority
GB
United Kingdom
Prior art keywords
valves
levelling
cylinders
pressure
suspension
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.)
Expired
Application number
GB4830573A
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.)
Frieseke and Hoepfner GmbH
ARDIE WERK GmbH
Original Assignee
Frieseke and Hoepfner GmbH
ARDIE WERK 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 Frieseke and Hoepfner GmbH, ARDIE WERK GmbH filed Critical Frieseke and Hoepfner GmbH
Publication of GB1387970A publication Critical patent/GB1387970A/en
Expired legal-status Critical Current

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
    • B60G17/033—Spring characteristics, e.g. mechanical springs and mechanical adjusting means characterised by regulating means acting on more than one spring
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

1387970 Hydro-pneumatic suspension systems ARDIE-WERK GmbH and FRIESEKE & HOEPFNER GmbH 17 Oct 1973 [18 Oct 1972] 48305/73 Heading B7D In a road vehicle suspension system having hydro-pneumatic suspension cylinders 20 acting on opposite ends of a front axle connected to separate hydraulic levelling circuits 1, 2 ineluding individual levelling valves 3, 4, the opening times of the levelling valves 3, 4 are automatically adjusted relative to one another in dependence on the pressure in the circuits 1, 2 so that the pressure in the suspension cylinders 20 tends to be equalized during levelling operations and neither front wheel is completely relieved of load when operating over uneven terrain. The levelling valves 3, 4 are connected to common level sensing means 7 on the front axle through a connecting linkage 6 having geometry which is varied to adjust the relative opening times of the valves by a piston and cylinder unit 5 having a piston 11 centralized by a spring and subjected on opposite sides to the pressure in the respective cylinders 20. The suspension cylinders 20 communicate with pressure accumulators 21 through throttle restrictions or valves, and anti-roll cylinders 22 acting in opposition to the cylinders 20 are each connected to the cylinder 20 at the respective opposite end of the axle. The levelling valves 3, 4 are connected through a throttle valve 23 to a reservoir 24 and supplied with pressure fluid through non-return valves 16 from a main accumulator 13 charged by a pump 14 with a relief valve 15.
GB4830573A 1972-10-18 1973-10-17 Fluid suspension for road vehicles Expired GB1387970A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722251090 DE2251090C3 (en) 1972-10-18 1972-10-18 Level control device for pneumatic or hydropneumatic spring elements in vehicles

Publications (1)

Publication Number Publication Date
GB1387970A true GB1387970A (en) 1975-03-19

Family

ID=5859400

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4830573A Expired GB1387970A (en) 1972-10-18 1973-10-17 Fluid suspension for road vehicles

Country Status (4)

Country Link
DE (1) DE2251090C3 (en)
FR (1) FR2203721B1 (en)
GB (1) GB1387970A (en)
IT (1) IT1008059B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2315248A (en) * 1996-07-12 1998-01-28 Delphi France Automotive Sys Roll control system
GB2315716A (en) * 1996-07-27 1998-02-11 Amg Motorenbau & Entw Gmbh Device for the lateral stabilisation of a motor vehicle
GB2597454A (en) * 2020-07-21 2022-02-02 Jaguar Land Rover Ltd Active suspension system

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5475719A (en) * 1977-11-25 1979-06-16 Nissan Motor Co Ltd Hidro-pneumatic suspension
DE3639995A1 (en) * 1986-11-22 1988-06-01 Tuczek Franz Stabilising suspension for a vehicle
DE3933370A1 (en) * 1989-10-06 1991-04-18 Orenstein & Koppel Ag Compensated hydropneumatic axle suspension on heavy goods vehicle - gives load indications derived from proximity switches on axle damped by oil-driven free piston movement
JPH071937A (en) * 1992-07-14 1995-01-06 Naldec Kk Suspension of vehicle

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1256865A (en) * 1959-05-13 1961-03-24 Volvo Ab Straightening system for vehicles fitted with servo springs
FR1509099A (en) * 1966-11-29 1968-01-12 Citroen Sa Andre Self-leveling device for hydraulic suspension of motor vehicles or other vehicles
FR2057130A5 (en) * 1969-08-01 1971-05-21 Citroen Sa

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2315248A (en) * 1996-07-12 1998-01-28 Delphi France Automotive Sys Roll control system
GB2315248B (en) * 1996-07-12 1998-06-10 Delphi France Automotive Sys Roll control system
GB2315716A (en) * 1996-07-27 1998-02-11 Amg Motorenbau & Entw Gmbh Device for the lateral stabilisation of a motor vehicle
GB2597454A (en) * 2020-07-21 2022-02-02 Jaguar Land Rover Ltd Active suspension system
GB2597454B (en) * 2020-07-21 2023-01-25 Jaguar Land Rover Ltd Active suspension system
US12109863B2 (en) 2020-07-21 2024-10-08 Jaguar Land Rover Limited Active suspension system

Also Published As

Publication number Publication date
FR2203721B1 (en) 1976-11-19
IT1008059B (en) 1976-11-10
DE2251090C3 (en) 1975-04-10
DE2251090B2 (en) 1974-08-22
FR2203721A1 (en) 1974-05-17
DE2251090A1 (en) 1974-05-02

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee