CA1316553C - Hydraulic shock absorber with pre-loaded valve for linear variation characteristics of damping force - Google Patents

Hydraulic shock absorber with pre-loaded valve for linear variation characteristics of damping force

Info

Publication number
CA1316553C
CA1316553C CA000614127A CA614127A CA1316553C CA 1316553 C CA1316553 C CA 1316553C CA 000614127 A CA000614127 A CA 000614127A CA 614127 A CA614127 A CA 614127A CA 1316553 C CA1316553 C CA 1316553C
Authority
CA
Canada
Prior art keywords
piston stroke
valve means
shock absorber
criterion
damping force
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 - Fee Related
Application number
CA000614127A
Other languages
English (en)
French (fr)
Inventor
Takayuki Furuya
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 Unisia Automotive 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.)
Filing date
Publication date
Application filed by Atsugi Unisia Corp filed Critical Atsugi Unisia Corp
Application granted granted Critical
Publication of CA1316553C publication Critical patent/CA1316553C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Fluid-Damping Devices (AREA)
  • Vehicle Body Suspensions (AREA)
CA000614127A 1988-09-29 1989-09-28 Hydraulic shock absorber with pre-loaded valve for linear variation characteristics of damping force Expired - Fee Related CA1316553C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP12786288U JPH0547309Y2 (US20110009641A1-20110113-C00185.png) 1988-09-29 1988-09-29
JP63-127862 1988-09-29

Publications (1)

Publication Number Publication Date
CA1316553C true CA1316553C (en) 1993-04-20

Family

ID=14970498

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000614127A Expired - Fee Related CA1316553C (en) 1988-09-29 1989-09-28 Hydraulic shock absorber with pre-loaded valve for linear variation characteristics of damping force

Country Status (2)

Country Link
JP (1) JPH0547309Y2 (US20110009641A1-20110113-C00185.png)
CA (1) CA1316553C (US20110009641A1-20110113-C00185.png)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6014444B2 (ja) * 2012-09-28 2016-10-25 日立オートモティブシステムズ株式会社 緩衝器
JP7390973B2 (ja) * 2020-05-20 2023-12-04 日立Astemo株式会社 緩衝器

Also Published As

Publication number Publication date
JPH0247446U (US20110009641A1-20110113-C00185.png) 1990-03-30
JPH0547309Y2 (US20110009641A1-20110113-C00185.png) 1993-12-13

Similar Documents

Publication Publication Date Title
US5042624A (en) Hydraulic shock absorber with pre-loaded valve for linear variation characteristics of damping force
US5115892A (en) Hydraulic shock absorber with piston seal structure for enhancement of initial response
US4905799A (en) Shock absorber
EP1664578B1 (en) Stroke dependent bypass
US5277283A (en) Variable damping-characteristics shock absorber with adjustable orifice construction variable of fluid flow restriction depending upon fluid pressure difference
US6220409B1 (en) Stroke dependent bypass
US5219414A (en) Variable damping force shock absorber with stroke dependent variation characteristics of damping force
US5911290A (en) Step motor actuated continuous variable shock absorber
WO2007021753A2 (en) Asymmetrical intake damper valve
US6119831A (en) Controllable vibration damper for motor vehicles
US5226512A (en) Variable damping force shock absorber with variable orifice for adjusting damping characteristics
GB2111168A (en) Hydraulic damper with bypass
US20190329623A1 (en) Damper With Internal Hydraulic Stop
US6230858B1 (en) Internally slotted orifice disc for low speed control in automotive dampers
EP1312827B1 (en) Floating port blocker for the piston of a damper
EP1664581B1 (en) Shock absorber
CA1316553C (en) Hydraulic shock absorber with pre-loaded valve for linear variation characteristics of damping force
EP3333446B1 (en) Valve structure for buffer
CA1320223C (en) Hydraulic shock absorber with piston seal structure for enhancement of initial response
US6148969A (en) Frequency dependant damper
US6364075B1 (en) Frequency dependent damper
US6382373B1 (en) Frequency dependant damper
US4475635A (en) Vortex flow shock absorber with one-way valve
EP4246010A1 (en) Damper assembly with frequency adaptive orifice
CA2010530C (en) Variable damping force shock absorber with variable orifice for adjusting damping characteristics

Legal Events

Date Code Title Description
MKLA Lapsed