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GB2008716A - Telescopic Shock Absorber with End Damping - Google Patents

Telescopic Shock Absorber with End Damping

Info

Publication number
GB2008716A
GB2008716A GB7844892A GB7844892A GB2008716A GB 2008716 A GB2008716 A GB 2008716A GB 7844892 A GB7844892 A GB 7844892A GB 7844892 A GB7844892 A GB 7844892A GB 2008716 A GB2008716 A GB 2008716A
Authority
GB
United Kingdom
Prior art keywords
cylinder
piston
piston rod
cushioning
ring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB7844892A
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.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke AG
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 Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Publication of GB2008716A publication Critical patent/GB2008716A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B60G15/061—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper with a coil spring being mounted inside the damper
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/48—Arrangements for providing different damping effects at different parts of the stroke
    • F16F9/49—Stops limiting fluid passage, e.g. hydraulic stops or elastomeric elements inside the cylinder which contribute to changes in fluid damping

Landscapes

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

Abstract

A telescopic shock absorber, particularly but not exclusively for motor vehicles, comprises a cylinder 1, a piston 2 which is displaceable in the cylinder 1 and which is provided with throttle valves and divides the cylinder 1 into two working chambers 3, 4, a piston rod 15 which is connected to the piston 2 and projects from the cylinder 1 through a cover 6, and an abutment ring 7 on the piston rod 7 which cooperates, towards the end of the rebound stroke, with a cushioning ring 8 which surrounds the piston rod 5 between the abutment ring 7 and the cover 6 and which is resiliently supported relatively to the cylinder 1 by way of a helical backing spring 9 surrounding the piston rod 5, and upon axial displacement by the abutment ring 7 forms an additional cushioning piston. The abutment ring 7 may act on the cushioning rings via a coil or disc spring. The cushioning ring may be ported or valved. It may be in frictional engagement with the cylinder walls. <IMAGE>
GB7844892A 1977-11-18 1978-11-17 Telescopic Shock Absorber with End Damping Withdrawn GB2008716A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2751488A DE2751488C3 (en) 1977-11-18 1977-11-18 Telescopic vibration dampers, in particular for motor vehicles

Publications (1)

Publication Number Publication Date
GB2008716A true GB2008716A (en) 1979-06-06

Family

ID=6024001

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7844892A Withdrawn GB2008716A (en) 1977-11-18 1978-11-17 Telescopic Shock Absorber with End Damping

Country Status (4)

Country Link
DE (1) DE2751488C3 (en)
FR (1) FR2415242A1 (en)
GB (1) GB2008716A (en)
IT (1) IT1100018B (en)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4345748A (en) 1978-12-14 1982-08-24 Fichtel & Sachs Ag Fluid damped unit, particularly for use as shock absorber or telescopic strut
GB2148449A (en) * 1983-09-27 1985-05-30 Lucas France Shock absorber with fluid end stop
FR2563882A1 (en) * 1984-04-30 1985-11-08 Volzh Ob Proizvo Telescopic hydraulic damper with pressure release stop
DE3500101C1 (en) * 1985-01-03 1986-07-24 Ford-Werke AG, 5000 Köln Hydraulic two-tube vibration damper
FR2581726A1 (en) * 1985-05-09 1986-11-14 Peugeot Suspension jacks with floating bearing
GB2199921A (en) * 1987-01-16 1988-07-20 Fichtel & Sachs Ag Shock-absorber with hydraulic - mechanical draw stop
EP0253072A3 (en) * 1986-07-15 1989-01-18 Fritz Bauer + Söhne oHG Pneumatic spring with end-stroke damping
ES2063710A2 (en) * 1993-06-30 1995-01-01 Fico Cables Sa Stop valves for pistons of self-regulating hydraulic devices.
ES2150838A1 (en) * 1998-01-15 2000-12-01 Ap Amortiguadores S A Rebound stopper for hydraulic dampers
ES2156791A1 (en) * 1998-01-19 2001-07-16 Ap Amortiguadores S A Rebound stopper for hydraulic dampers
US7121538B2 (en) 2001-05-31 2006-10-17 Stromsholmen Ab Arrangement at a press tool for breaking the piston/piston rod of a gas spring
US9403592B2 (en) * 2014-06-02 2016-08-02 Goodrich Corporation Two-stage secondary piston for landing gear
FR3049225A1 (en) * 2016-03-25 2017-09-29 Peugeot Citroen Automobiles Sa HYDRAULIC SUSPENSION SYSTEM OF A VEHICLE
WO2018082958A1 (en) * 2016-11-04 2018-05-11 Jaguar Land Rover Limited Shock absorber and vehicle
CN110462250A (en) * 2017-03-28 2019-11-15 Ｋｙｂ株式会社 buffer
CN112483579A (en) * 2019-09-12 2021-03-12 蒂森克虏伯比尔斯坦有限公司 Hydraulic damper with pull stop and push stop
CN113417961A (en) * 2021-07-05 2021-09-21 北京汽车集团越野车有限公司 Limiting device, shock absorber and vehicle

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7804572U1 (en) * 1978-02-16 1979-04-19 Fichtel & Sachs Ag, 8720 Schweinfurt Shock absorber or spring strut with travel-dependent, hydraulic-mechanical cable stop
DE2806541A1 (en) * 1978-02-16 1979-08-23 Fichtel & Sachs Ag SHOCK ABSORBER OR SHOCK ABSORBER WITH HYDRAULIC-MECHANICAL PUSH STOP
DE2951093A1 (en) * 1979-12-19 1981-07-02 Stabilus Gmbh, 5400 Koblenz GAS SPRING WITH INSERTION IN EXTENDED POSITION
FR2840256A1 (en) * 2002-05-28 2003-12-05 Bianchi Mauro Sa VEHICLE SUSPENSION AND SUSPENSION THUS EQUIPPED
DE10320001B3 (en) * 2003-05-06 2004-08-05 Zf Sachs Ag Oscillation damper has coil spring stop for limiting stroke of piston rod secured by retaining profile formed in wall of damper cylinder
DE102004005063A1 (en) * 2004-02-04 2005-09-08 Zf Friedrichshafen Ag Piston and cylinder unit, useful as vibration damper or strut, has spring-loaded damping system mounted on piston rod above piston, split damping ring being fitted into groove in mounting forming part of this
DE102006011351A1 (en) 2006-03-11 2007-09-20 Zf Friedrichshafen Ag vibration
KR101847594B1 (en) 2013-12-03 2018-05-24 주식회사 만도 Shock absorber
DE102015106709A1 (en) * 2015-04-30 2016-11-03 Thyssenkrupp Ag vibration
FR3049232B1 (en) * 2016-03-24 2019-06-07 Peugeot Citroen Automobiles Sa HYDRAULIC SUSPENSION SYSTEM OF A VEHICLE
FR3049222B1 (en) * 2016-03-25 2018-04-13 Peugeot Citroen Automobiles Sa HYDRAULIC SUSPENSION SYSTEM OF A VEHICLE
FR3049228B1 (en) * 2016-03-25 2018-04-13 Peugeot Citroen Automobiles Sa HYDRAULIC SUSPENSION SYSTEM OF A VEHICLE
FR3049504B1 (en) * 2016-03-29 2019-06-21 Peugeot Citroen Automobiles Sa HYDRAULIC SUSPENSION SYSTEM OF A VEHICLE
WO2017168065A1 (en) * 2016-03-29 2017-10-05 Psa Automobiles S.A. Hydraulic suspension system for a vehicle
DE102018218087A1 (en) * 2018-10-23 2020-04-23 Volkswagen Aktiengesellschaft Cable stop for a hydraulic vibration damper

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB812528A (en) * 1957-08-12 1959-04-29 Woodhead Monroe Ltd Improvements in or relating to hydraulic shock absorbers
GB683198A (en) * 1951-06-01 1952-11-26 Gabriel Co Shock absorber
GB763557A (en) * 1954-11-16 1956-12-12 Newtcn & Bennett Ltd Improvements in or relating to hydraulic shock absorbers
US3038560A (en) * 1959-11-27 1962-06-12 Gen Motors Corp Hydraulic shock absorber with rebound cut-off
US3784179A (en) * 1971-05-14 1974-01-08 Aisin Seiki Cushioning device
DE2623873A1 (en) * 1976-05-28 1977-12-15 Volkswagenwerk Ag Pressurised support for vehicle boot lid - has piston and sliding seal loaded with compression spring
DE2655705C3 (en) * 1976-12-09 1980-06-12 Boge Gmbh, 5208 Eitorf Hydraulic telescopic vibration damper with hydraulic and elastic cable stop, in particular for motor vehicles

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4345748A (en) 1978-12-14 1982-08-24 Fichtel & Sachs Ag Fluid damped unit, particularly for use as shock absorber or telescopic strut
GB2148449A (en) * 1983-09-27 1985-05-30 Lucas France Shock absorber with fluid end stop
FR2563882A1 (en) * 1984-04-30 1985-11-08 Volzh Ob Proizvo Telescopic hydraulic damper with pressure release stop
DE3500101C1 (en) * 1985-01-03 1986-07-24 Ford-Werke AG, 5000 Köln Hydraulic two-tube vibration damper
FR2581726A1 (en) * 1985-05-09 1986-11-14 Peugeot Suspension jacks with floating bearing
EP0253072A3 (en) * 1986-07-15 1989-01-18 Fritz Bauer + Söhne oHG Pneumatic spring with end-stroke damping
GB2199921A (en) * 1987-01-16 1988-07-20 Fichtel & Sachs Ag Shock-absorber with hydraulic - mechanical draw stop
GB2199921B (en) * 1987-01-16 1990-10-24 Fichtel & Sachs Ag Vibration damper or combination shock-absorber unit
ES2063710A2 (en) * 1993-06-30 1995-01-01 Fico Cables Sa Stop valves for pistons of self-regulating hydraulic devices.
WO1995001514A1 (en) * 1993-06-30 1995-01-12 Fico Cables S.A. Stop valves for pistons of self-regulating hydraulic devices
ES2150838A1 (en) * 1998-01-15 2000-12-01 Ap Amortiguadores S A Rebound stopper for hydraulic dampers
ES2156791A1 (en) * 1998-01-19 2001-07-16 Ap Amortiguadores S A Rebound stopper for hydraulic dampers
US7121538B2 (en) 2001-05-31 2006-10-17 Stromsholmen Ab Arrangement at a press tool for breaking the piston/piston rod of a gas spring
US9403592B2 (en) * 2014-06-02 2016-08-02 Goodrich Corporation Two-stage secondary piston for landing gear
FR3049225A1 (en) * 2016-03-25 2017-09-29 Peugeot Citroen Automobiles Sa HYDRAULIC SUSPENSION SYSTEM OF A VEHICLE
WO2018082958A1 (en) * 2016-11-04 2018-05-11 Jaguar Land Rover Limited Shock absorber and vehicle
CN110462250A (en) * 2017-03-28 2019-11-15 Ｋｙｂ株式会社 buffer
CN112483579A (en) * 2019-09-12 2021-03-12 蒂森克虏伯比尔斯坦有限公司 Hydraulic damper with pull stop and push stop
US11773941B2 (en) 2019-09-12 2023-10-03 Thyssenkrupp Bilstein Gmbh Hydraulic vibration damper having a rebound stop and a compression stop
CN113417961A (en) * 2021-07-05 2021-09-21 北京汽车集团越野车有限公司 Limiting device, shock absorber and vehicle

Also Published As

Publication number Publication date
DE2751488A1 (en) 1979-05-23
IT7829802A0 (en) 1978-11-15
IT1100018B (en) 1985-09-28
DE2751488B2 (en) 1980-03-13
DE2751488C3 (en) 1980-10-30
FR2415242A1 (en) 1979-08-17

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)