GB2231385B - Shock absorber - Google Patents

Shock absorber

Info

Publication number: GB2231385B
Authority: GB; United Kingdom
Prior art keywords: shock absorber; absorber; shock
Prior art date: 1989-04-24
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 - Fee Related

Application number

GB9009181A

Other versions

GB9009181D0 (en

GB2231385A (en

Inventor

Fumiyuki Yamaoka

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.)

Hitachi Ltd

Original Assignee

Atsugi Unisia Corp

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.)

1989-04-24

Filing date

1990-04-24

Publication date

1993-03-10

1989-04-24 Priority claimed from JP10411189A external-priority patent/JP2901639B2/en

1989-04-24 Priority claimed from JP10411289A external-priority patent/JP2901640B2/en

1989-04-24 Priority claimed from JP10411089A external-priority patent/JPH02283927A/en

1990-04-24 Application filed by Atsugi Unisia Corp filed Critical Atsugi Unisia Corp

1990-06-20 Publication of GB9009181D0 publication Critical patent/GB9009181D0/en

1990-11-14 Publication of GB2231385A publication Critical patent/GB2231385A/en

1993-03-10 Application granted granted Critical

1993-03-10 Publication of GB2231385B publication Critical patent/GB2231385B/en

2010-04-24 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Classifications

- 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
- F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
- F16F9/516—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics resulting in the damping effects during contraction being different from the damping effects during extension, i.e. responsive to the direction of movement
- 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
- 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
- B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
- B60G2204/45—Stops limiting travel

Landscapes

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

GB9009181A 1989-04-24 1990-04-24 Shock absorber Expired - Fee Related GB2231385B (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
JP10411189A JP2901639B2 (en)	1989-04-24	1989-04-24	Displacement sensitive hydraulic shock absorber
JP10411289A JP2901640B2 (en)	1989-04-24	1989-04-24	Displacement sensitive hydraulic shock absorber
JP10411089A JPH02283927A (en)	1989-04-24	1989-04-24	Displacement sensitive hydraulic shock absorber

Publications (3)

Publication Number	Publication Date
GB9009181D0 GB9009181D0 (en)	1990-06-20
GB2231385A GB2231385A (en)	1990-11-14
GB2231385B true GB2231385B (en)	1993-03-10

Family

ID=27310157

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB9009181A Expired - Fee Related GB2231385B (en)	1989-04-24	1990-04-24	Shock absorber

Country Status (4)

Country	Link
AU (1)	AU632113B2 (en)
CA (1)	CA2015119C (en)
DE (1)	DE4013054C2 (en)
GB (1)	GB2231385B (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE505502C2 (en) *	1992-10-29	1997-09-08	Volvo Penta Ab	Hydraulic piston cylinder device
US5509512A (en) *	1993-02-17	1996-04-23	Fichtel & Sachs Ag	Shock absorber with adjustable damping with controlled damping characteristics
DE4403196C2 (en) *	1993-02-17	1999-06-17	Mannesmann Sachs Ag	Vibration damper with a damping force map as required
DE4427273B4 (en) *	1993-08-19	2004-08-26	Volkswagen Ag	Hydraulic telescopic vibration damper
US5785345A (en) *	1995-10-16	1998-07-28	The Boler Company	Means for and method of controlling frame rise in vehicle suspensions
GB2314602B (en) *	1996-06-28	2000-09-20	Delphi Espana Automotive Sys	Suspension strut
US5823306A (en) *	1996-11-12	1998-10-20	Tenneco Automotive Inc.	Stroke dependent damping
GB2325701B (en) *	1997-05-28	2001-07-18	Draftex Ind Ltd	Gas spring with speed regulation
US6371264B1 (en) *	1999-06-09	2002-04-16	Denso Corporation	Fulcrum blow off valve for use in a shock absorber
DE10307363B3 (en)	2003-02-21	2004-09-09	Zf Sachs Ag	Vibration damper with stroke-dependent damping force
DE10343875B4 (en) *	2003-09-23	2006-01-26	Zf Friedrichshafen Ag	Vibration damper with stroke-dependent damping force
CA2639822A1 (en)	2007-09-26	2009-03-26	Bombardier Recreational Products Inc.	Position sensitive shock absorber
JP5684925B2 (en)	2011-11-30	2015-03-18	日立オートモティブシステムズ株式会社	Shock absorber
US9500256B2 (en)	2012-09-20	2016-11-22	Hitachi Automotive Systems, Ltd.	Suspension device
JP6078635B2 (en)	2013-03-28	2017-02-08	日立オートモティブシステムズ株式会社	Shock absorber and vehicle using the same
DE102015119731B4 (en) *	2015-11-16	2024-02-15	Dr. Ing. H.C. F. Porsche Aktiengesellschaft	Damper device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1489350A (en) *	1973-10-16	1977-10-19	Volkswagenwerk Ag	Vehicle suspension employing hydraulic shock absorbers

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE811319C (en) *	1949-08-21	1951-08-20	Stabilus Ind Und Handelsgesell	Stabilization device on hydraulic shock absorbers for vehicles, especially motor vehicles
DE939657C (en) *	1950-01-20	1956-03-01	Jean Mercier	Damping device for damping vibrations
DE1176498B (en) *	1959-10-31	1964-08-20	Stabilus Ind Und Handelsgesell	Single-tube telescopic fluid shock absorbers, especially for motor vehicles
DE1430494B1 (en) *	1962-01-22	1970-04-02	Carbon Christian Marie Lucien	Hydropneumatic single tube shock absorber for motor vehicles
DE3342404A1 (en) *	1983-11-24	1985-06-05	Stabilus Gmbh, 5400 Koblenz	GAS SPRING
JPH0730722B2 (en) *	1986-03-03	1995-04-10	マツダ株式会社	Automotive skid control

1990
- 1990-04-23 CA CA 2015119 patent/CA2015119C/en not_active Expired - Fee Related
- 1990-04-24 GB GB9009181A patent/GB2231385B/en not_active Expired - Fee Related
- 1990-04-24 AU AU53813/90A patent/AU632113B2/en not_active Ceased
- 1990-04-24 DE DE19904013054 patent/DE4013054C2/en not_active Expired - Fee Related

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1489350A (en) *	1973-10-16	1977-10-19	Volkswagenwerk Ag	Vehicle suspension employing hydraulic shock absorbers

Also Published As

Publication number	Publication date
GB9009181D0 (en)	1990-06-20
AU632113B2 (en)	1992-12-17
GB2231385A (en)	1990-11-14
CA2015119C (en)	1994-11-08
CA2015119A1 (en)	1990-10-24
AU5381390A (en)	1990-11-22
DE4013054A1 (en)	1990-11-08
DE4013054C2 (en)	1994-04-07

Publication	Publication Date	Title
EP0336692A3 (en)	1990-03-21	Shock absorber
GB2228059B (en)	1992-10-28	Hydraulic shock absorber
GB2233064B (en)	1993-02-24	Hydraulic shock absorber
EP0330449A3 (en)	1990-09-19	Shock absorber
EP0322608A3 (en)	1990-06-06	Shock absorber
GB2252812B (en)	1992-12-02	Adjustable shock absorber
EP0467340A3 (en)	1992-04-08	Shock absorber
GB2237356B (en)	1994-01-19	Hydraulic shock absorber
EP0261427A3 (en)	1989-02-22	Bitubular shock absorber
EP0330634A3 (en)	1990-10-31	Shock absorber arrangement
HU906386D0 (en)	1991-04-29	Hydraulic shock absorber
GB2231385B (en)	1993-03-10	Shock absorber
GB2237862B (en)	1994-07-06	Absorbers
ZA87628B (en)	1987-09-30	Multi-strap shock absorber
GB2239073B (en)	1993-03-31	Hydraulic shock absorber
GB8822573D0 (en)	1988-11-02	Shock absorber unit
GB2225084B (en)	1992-09-23	Variable-damping-characteristics shock absorber
GB8816659D0 (en)	1988-08-17	Shock absorbers
GB2265201B (en)	1994-01-05	Shock absorber
HU9200968D0 (en)	1992-06-29	Shock absorber system
GB8725236D0 (en)	1987-12-02	Shock absorber
GB2265436B (en)	1994-01-19	Hydraulic shock absorber
GB2313433B (en)	1998-02-18	Shock absorbers
GB8707721D0 (en)	2002-10-30	Shock absorbers
GB8903469D0 (en)	1989-04-05	Shock absorber

Legal Events

Date	Code	Title	Description
1999-12-15	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19990424