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GB2234572B - Variable damping force shock absorber - Google Patents

Variable damping force shock absorber

Info

Publication number
GB2234572B
GB2234572B GB9015748A GB9015748A GB2234572B GB 2234572 B GB2234572 B GB 2234572B GB 9015748 A GB9015748 A GB 9015748A GB 9015748 A GB9015748 A GB 9015748A GB 2234572 B GB2234572 B GB 2234572B
Authority
GB
United Kingdom
Prior art keywords
shock absorber
damping force
variable damping
force shock
variable
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
GB9015748A
Other versions
GB9015748D0 (en
GB2234572A (en
Inventor
Fumiyuki Yamaoka
Shinobu Kakizaki
Mitsuo Sasaki
Hiroyuki Shimizu
Junichi Emura
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.)
Filing date
Publication date
Priority claimed from JP18391189A external-priority patent/JPH0351548A/en
Priority claimed from JP18391089A external-priority patent/JP2804792B2/en
Application filed by Atsugi Unisia Corp filed Critical Atsugi Unisia Corp
Publication of GB9015748D0 publication Critical patent/GB9015748D0/en
Publication of GB2234572A publication Critical patent/GB2234572A/en
Application granted granted Critical
Publication of GB2234572B publication Critical patent/GB2234572B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B60G15/07—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper the damper being connected to the stub axle and the spring being arranged around the damper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
    • B60G13/001—Arrangements for attachment of dampers
    • B60G13/005—Arrangements for attachment of dampers characterised by the mounting on the axle or suspension arm of the damper unit
    • B60G13/008—Arrangements for attachment of dampers characterised by the mounting on the axle or suspension arm of the damper unit involving use of an auxiliary cylinder
    • 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
    • F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
    • F16F9/064—Units characterised by the location or shape of the expansion chamber
    • 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
    • F16F9/48—Arrangements for providing different damping effects at different parts of the stroke
    • 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
    • F16F9/58—Stroke limiting stops, e.g. arranged on the piston rod outside the cylinder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/20—Type of damper
    • B60G2202/24—Fluid damper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/40—Type of actuator
    • B60G2202/42—Electric actuator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2500/00—Indexing codes relating to the regulated action or device
    • B60G2500/10—Damping action or damper
    • B60G2500/102—Damping action or damper stepwise

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Vehicle Body Suspensions (AREA)
GB9015748A 1989-07-17 1990-07-17 Variable damping force shock absorber Expired - Fee Related GB2234572B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP18391189A JPH0351548A (en) 1989-07-17 1989-07-17 Damping force varying type hydraulic buffer
JP18391089A JP2804792B2 (en) 1989-07-17 1989-07-17 Variable damping force type hydraulic shock absorber

Publications (3)

Publication Number Publication Date
GB9015748D0 GB9015748D0 (en) 1990-09-05
GB2234572A GB2234572A (en) 1991-02-06
GB2234572B true GB2234572B (en) 1993-06-30

Family

ID=26502171

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9015748A Expired - Fee Related GB2234572B (en) 1989-07-17 1990-07-17 Variable damping force shock absorber

Country Status (2)

Country Link
AU (1) AU624729B2 (en)
GB (1) GB2234572B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2918293B2 (en) * 1990-05-28 1999-07-12 株式会社ユニシアジェックス Variable damping force type shock absorber
FR2676400B1 (en) * 1991-05-17 1996-04-12 Atsugi Unisia Corp VEHICLE SHOCK ABSORBER WITH ADJUSTABLE DAMPING COEFFICIENT AND ADJUSTMENT METHOD.
US5307907A (en) * 1991-06-11 1994-05-03 Atsugi Unisia Corporation Hydraulic damper
US5207301A (en) * 1991-08-22 1993-05-04 General Motors Corporation Active suspension actuator with real time damping

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1524867A (en) * 1974-10-11 1978-09-13 Sirven J M M Shock absorber
EP0304599A1 (en) * 1987-07-21 1989-03-01 Jacques Sirven Hydraulic shock absorber equipped with means for varying the damping characteristics

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4254949A (en) * 1978-06-12 1981-03-10 Brentham Jerry D Leg curl exercising device
CA1239659A (en) * 1983-11-09 1988-07-26 Leo W. Davis Fluid suspension spring and dampener for a vehicle suspension system
JPS61156743U (en) * 1985-03-22 1986-09-29

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1524867A (en) * 1974-10-11 1978-09-13 Sirven J M M Shock absorber
EP0304599A1 (en) * 1987-07-21 1989-03-01 Jacques Sirven Hydraulic shock absorber equipped with means for varying the damping characteristics

Also Published As

Publication number Publication date
GB9015748D0 (en) 1990-09-05
AU624729B2 (en) 1992-06-18
AU5906790A (en) 1991-03-07
GB2234572A (en) 1991-02-06

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Legal Events

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

Effective date: 20000717