CA2015119C - Amortisseur a force variable et caracteristique de variation selon la course - Google Patents

Amortisseur a force variable et caracteristique de variation selon la course

Info

Publication number: CA2015119C
Authority: CA; Canada
Prior art keywords: piston; fluid; stroke; spring; damping force
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

CA 2015119

Other languages

English (en)

Other versions

CA2015119A1 (fr

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

1990-04-23

Publication date

1994-11-08

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

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

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

1990-04-23 Application filed by Atsugi Unisia Corp filed Critical Atsugi Unisia Corp

1990-10-24 Publication of CA2015119A1 publication Critical patent/CA2015119A1/fr

1994-11-08 Application granted granted Critical

1994-11-08 Publication of CA2015119C publication Critical patent/CA2015119C/fr

2010-04-23 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

238000013016 damping Methods 0.000 title claims abstract description 44
230000035939 shock Effects 0.000 title claims abstract description 26
239000006096 absorbing agent Substances 0.000 title claims abstract description 25
230000001419 dependent effect Effects 0.000 title 1
239000012530 fluid Substances 0.000 claims abstract description 77
238000004891 communication Methods 0.000 claims description 9
239000000725 suspension Substances 0.000 claims description 7
230000000903 blocking effect Effects 0.000 claims description 4
230000007935 neutral effect Effects 0.000 abstract description 7
238000010276 construction Methods 0.000 description 9
230000003247 decreasing effect Effects 0.000 description 3
230000000694 effects Effects 0.000 description 3
230000004048 modification Effects 0.000 description 3
238000012986 modification Methods 0.000 description 3
239000007788 liquid Substances 0.000 description 2
230000000712 assembly Effects 0.000 description 1
238000000429 assembly Methods 0.000 description 1
230000015556 catabolic process Effects 0.000 description 1
230000007547 defect Effects 0.000 description 1
238000006731 degradation reaction Methods 0.000 description 1
238000006073 displacement reaction Methods 0.000 description 1
238000009826 distribution Methods 0.000 description 1
239000013013 elastic material Substances 0.000 description 1
229920001971 elastomer Polymers 0.000 description 1
239000011796 hollow space material Substances 0.000 description 1
230000013011 mating Effects 0.000 description 1
239000012858 resilient material Substances 0.000 description 1
239000005060 rubber Substances 0.000 description 1
238000007789 sealing Methods 0.000 description 1
ACXGJHCPFCFILV-UHFFFAOYSA-M sodium;2-(4-chloro-2-methylphenoxy)acetate;3,6-dichloro-2-methoxybenzoic acid Chemical compound [Na+].COC1=C(Cl)C=CC(Cl)=C1C(O)=O.CC1=CC(Cl)=CC=C1OCC([O-])=O ACXGJHCPFCFILV-UHFFFAOYSA-M 0.000 description 1
229920003051 synthetic elastomer Polymers 0.000 description 1
239000005061 synthetic rubber Substances 0.000 description 1
238000009827 uniform distribution Methods 0.000 description 1

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)

CA 2015119 1989-04-24 1990-04-23 Amortisseur a force variable et caracteristique de variation selon la course Expired - Fee Related CA2015119C (fr)

Applications Claiming Priority (6)

Application Number	Priority Date	Filing Date	Title
JP1-104111		1989-04-24
JP1-104110		1989-04-24
JP10411289A JP2901640B2 (ja)	1989-04-24	1989-04-24	変位感応型液圧緩衝器
JP1-104112		1989-04-24
JP10411189A JP2901639B2 (ja)	1989-04-24	1989-04-24	変位感応型液圧緩衝器
JP10411089A JPH02283927A (ja)	1989-04-24	1989-04-24	変位感応型液圧緩衝器

Publications (2)

Publication Number	Publication Date
CA2015119A1 CA2015119A1 (fr)	1990-10-24
CA2015119C true CA2015119C (fr)	1994-11-08

Family

ID=27310157

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA 2015119 Expired - Fee Related CA2015119C (fr)	1989-04-24	1990-04-23	Amortisseur a force variable et caracteristique de variation selon la course

Country Status (4)

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

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE505502C2 (sv) *	1992-10-29	1997-09-08	Volvo Penta Ab	Hydraulisk kolv- cylinderanordning
DE4403196C2 (de) *	1993-02-17	1999-06-17	Mannesmann Sachs Ag	Schwingungsdämpfer mit bedarfsgerechtem Dämpfkraftkennfeld
FR2701745B1 (fr) *	1993-02-17	1998-02-13	Fichtel & Sachs Ag	Véhicule équipé d'un amortisseur à caractéristiques variables, et amortisseur pour un tel véhicule.
DE4427273B4 (de) *	1993-08-19	2004-08-26	Volkswagen Ag	Hydraulischer Teleskop-Schwingungsdämpfer
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 (de) *	2003-02-21	2004-09-09	Zf Sachs Ag	Schwingungsdämpfer mit hubabhängiger Dämpfkraft
DE10343875B4 (de) *	2003-09-23	2006-01-26	Zf Friedrichshafen Ag	Schwingungsdämpfer mit hubabhängiger Dämpfkraft
US8807299B2 (en)	2007-09-26	2014-08-19	Bombardier Recreational Products Inc.	Position sensitive shock absorber
US9139065B2 (en)	2011-11-30	2015-09-22	Hitachi Automotive Systems, Ltd.	Shock absorber
US9500256B2 (en)	2012-09-20	2016-11-22	Hitachi Automotive Systems, Ltd.	Suspension device
WO2014157536A1 (fr)	2013-03-28	2014-10-02	日立オートモティブシステムズ株式会社	Amortisseur et véhicule l'utilisant
DE102015119731B4 (de) *	2015-11-16	2024-02-15	Dr. Ing. H.C. F. Porsche Aktiengesellschaft	Dämpfervorrichtung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE811319C (de) *	1949-08-21	1951-08-20	Stabilus Ind Und Handelsgesell	Stabilisationseinrichtung an hydraulischen Stossdaempfern fuer fahrzeuge, insbesondere Kraftfahrzeuge
DE939657C (de) *	1950-01-20	1956-03-01	Jean Mercier	Daempfungsvorrichtung fuer die Daempfung von Schwingungen
DE1176498B (de) *	1959-10-31	1964-08-20	Stabilus Ind Und Handelsgesell	Einrohr-Teleskop-Fluessigkeitsstossdaempfer, ins-besondere fuer Kraftfahrzeuge
DE1430494B1 (de) *	1962-01-22	1970-04-02	Carbon Christian Marie Lucien	Hydropneumatischer Einrohr-Stossdaempfer fuer Kraftfahrzeuge
DE2351813B2 (de) *	1973-10-16	1978-04-27	Volkswagenwerk Ag, 3180 Wolfsburg	Radaufhängung für Kraftfahrzeuge
DE3342404A1 (de) *	1983-11-24	1985-06-05	Stabilus Gmbh, 5400 Koblenz	Gasfeder
JPH0730722B2 (ja) *	1986-03-03	1995-04-10	マツダ株式会社	自動車のスキツド制御装置

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

Also Published As

Publication number	Publication date
CA2015119A1 (fr)	1990-10-24
GB9009181D0 (en)	1990-06-20
AU632113B2 (en)	1992-12-17
DE4013054A1 (de)	1990-11-08
GB2231385A (en)	1990-11-14
AU5381390A (en)	1990-11-22
DE4013054C2 (de)	1994-04-07
GB2231385B (en)	1993-03-10

Legal Events

Date	Code	Title	Description
1993-12-06	EEER	Examination request
2000-04-25	MKLA	Lapsed

Publication	Publication Date	Title
US5219414A (en)	1993-06-15	Variable damping force shock absorber with stroke dependent variation characteristics of damping force
US4905799A (en)	1990-03-06	Shock absorber
US5810130A (en)	1998-09-22	Suspension damper with rebound cut-off
US5115892A (en)	1992-05-26	Hydraulic shock absorber with piston seal structure for enhancement of initial response
US7216747B2 (en)	2007-05-15	Amplitude controlled orifice valving
US3804217A (en)	1974-04-16	Pressurized shock absorber
US6672436B1 (en)	2004-01-06	Variable bleed orifice valving
US11187298B2 (en)	2021-11-30	Extension assembly for damper
GB2231385A (en)	1990-11-14	"Shock absorber"
GB2335476A (en)	1999-09-22	Acceleration sensitive damping for automotive dampers
US6581733B2 (en)	2003-06-24	Acceleration sensitive damping for automotive dampers
US6913127B2 (en)	2005-07-05	Adjacent baffle design for shock absorber
US7073643B2 (en)	2006-07-11	Compensated rod for a frequency dependent damper shock absorber
US20020063024A1 (en)	2002-05-30	Hydraulic shock absorber
US5193655A (en)	1993-03-16	Variable damping force shock absorber with feature of linear and wide range damping force variation depending upon piston stroke speed
US20030094340A1 (en)	2003-05-22	Floating port blocker
US20030015382A1 (en)	2003-01-23	Hydraulic rebound cut-off for monotube damper
US4724938A (en)	1988-02-16	Method of making and checking the jounce and rebound actions of an hydraulic damper
CA1320223C (fr)	1993-07-13	Amortisseur hydraulique avec systeme d'etancheite ameliorant la capacite d'amortissement du piston
US6364075B1 (en)	2002-04-02	Frequency dependent damper
US4475635A (en)	1984-10-09	Vortex flow shock absorber with one-way valve
US6382373B1 (en)	2002-05-07	Frequency dependant damper
US2897923A (en)	1959-08-04	Shock absorber
JPH0514127B2 (fr)	1993-02-24
JP3316304B2 (ja)	2002-08-19	減衰力調整式油圧緩衝器