GB2230584B - Variable damping force shock absorber with variable orifice for adjusting damping characteristics - Google Patents

Variable damping force shock absorber with variable orifice for adjusting damping characteristics

Info

Publication number
GB2230584B
GB2230584B GB9004042A GB9004042A GB2230584B GB 2230584 B GB2230584 B GB 2230584B GB 9004042 A GB9004042 A GB 9004042A GB 9004042 A GB9004042 A GB 9004042A GB 2230584 B GB2230584 B GB 2230584B
Authority
GB
United Kingdom
Prior art keywords
variable
shock absorber
force shock
adjusting
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
GB9004042A
Other versions
GB2230584A (en
GB9004042D0 (en
Inventor
Issei Kanari
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
Publication of GB9004042D0 publication Critical patent/GB9004042D0/en
Publication of GB2230584A publication Critical patent/GB2230584A/en
Application granted granted Critical
Publication of GB2230584B publication Critical patent/GB2230584B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • F16F9/44—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction
    • F16F9/46—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction allowing control from a distance, i.e. location of means for control input being remote from site of valves, e.g. on damper external wall
    • F16F9/466—Throttling control, i.e. regulation of flow passage geometry
    • F16F9/467—Throttling control, i.e. regulation of flow passage geometry using rotary valves
    • F16F9/468—Throttling control, i.e. regulation of flow passage geometry using rotary valves controlling at least one bypass to main flow path
    • 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
    • F16F9/512—Means responsive to load action, i.e. static load on the damper or dynamic fluid pressure changes in the damper, e.g. due to changes in velocity

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Damping Devices (AREA)
GB9004042A 1989-02-22 1990-02-22 Variable damping force shock absorber with variable orifice for adjusting damping characteristics Expired - Fee Related GB2230584B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4246089 1989-02-22

Publications (3)

Publication Number Publication Date
GB9004042D0 GB9004042D0 (en) 1990-04-18
GB2230584A GB2230584A (en) 1990-10-24
GB2230584B true GB2230584B (en) 1993-02-03

Family

ID=12636684

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9004042A Expired - Fee Related GB2230584B (en) 1989-02-22 1990-02-22 Variable damping force shock absorber with variable orifice for adjusting damping characteristics

Country Status (4)

Country Link
JP (1) JP2804786B2 (en)
CA (1) CA2010530C (en)
DE (1) DE4005657C2 (en)
GB (1) GB2230584B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5115814B2 (en) * 2008-05-30 2013-01-09 日立オートモティブシステムズ株式会社 Shock absorber

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2126687A (en) * 1982-07-14 1984-03-28 Tokico Ltd Hydraulic damper with adjustable damping force
EP0207409A2 (en) * 1985-07-02 1987-01-07 Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 Valve system for an adjustable hydraulic damper

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US408261A (en) * 1889-08-06 Pulley
JPS61164836A (en) * 1985-01-18 1986-07-25 Toyo Ink Mfg Co Ltd Recording method
DE3736695C2 (en) * 1986-10-31 1995-03-23 Atsugi Motor Parts Co Ltd Shock absorbers with variable damping
JP3009151B2 (en) * 1988-04-04 2000-02-14 株式会社ユニシアジェックス Hydraulic shock absorber
AU614873B2 (en) * 1988-09-19 1991-09-12 Atsugi Unisia Corporation Variable damping-characteristics shock absorber with adjustable orifice construction variable of fluid flow restriction depending upon fluid pressure difference

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2126687A (en) * 1982-07-14 1984-03-28 Tokico Ltd Hydraulic damper with adjustable damping force
EP0207409A2 (en) * 1985-07-02 1987-01-07 Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 Valve system for an adjustable hydraulic damper

Also Published As

Publication number Publication date
GB2230584A (en) 1990-10-24
DE4005657C2 (en) 1996-07-25
DE4005657A1 (en) 1990-09-13
JP2804786B2 (en) 1998-09-30
CA2010530A1 (en) 1990-08-22
AU5000190A (en) 1990-08-30
CA2010530C (en) 1995-12-05
GB9004042D0 (en) 1990-04-18
JPH02292538A (en) 1990-12-04
AU622769B2 (en) 1992-04-16

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Legal Events

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

Effective date: 20000222