CA1191164A - Telescopic hydraulic shock absorbers - Google Patents

Telescopic hydraulic shock absorbers

Info

Publication number
CA1191164A
CA1191164A CA000393565A CA393565A CA1191164A CA 1191164 A CA1191164 A CA 1191164A CA 000393565 A CA000393565 A CA 000393565A CA 393565 A CA393565 A CA 393565A CA 1191164 A CA1191164 A CA 1191164A
Authority
CA
Canada
Prior art keywords
valve
spring
compression
shock absorber
recuperation
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
Application number
CA000393565A
Other languages
English (en)
French (fr)
Inventor
John S. Eckersley
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.)
Jonas Woodhead Ltd
Original Assignee
Jonas Woodhead Ltd
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 Jonas Woodhead Ltd filed Critical Jonas Woodhead Ltd
Application granted granted Critical
Publication of CA1191164A publication Critical patent/CA1191164A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/34Special valve constructions; Shape or construction of throttling passages
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/7722Line condition change responsive valves
    • Y10T137/7771Bi-directional flow valves
    • Y10T137/778Axes of ports co-axial
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/7722Line condition change responsive valves
    • Y10T137/7837Direct response valves [i.e., check valve type]
    • Y10T137/7838Plural

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
CA000393565A 1981-01-05 1982-01-05 Telescopic hydraulic shock absorbers Expired CA1191164A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8100114A GB2090943B (en) 1981-01-05 1981-01-05 Telescopic hydraulic shock absorber valves
GB8100114 1981-01-05

Publications (1)

Publication Number Publication Date
CA1191164A true CA1191164A (en) 1985-07-30

Family

ID=10518785

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000393565A Expired CA1191164A (en) 1981-01-05 1982-01-05 Telescopic hydraulic shock absorbers

Country Status (10)

Country Link
US (1) US4650043A (US08124630-20120228-C00102.png)
EP (1) EP0056006B1 (US08124630-20120228-C00102.png)
JP (1) JPS57134034A (US08124630-20120228-C00102.png)
KR (1) KR880000568B1 (US08124630-20120228-C00102.png)
CA (1) CA1191164A (US08124630-20120228-C00102.png)
DE (1) DE3270522D1 (US08124630-20120228-C00102.png)
ES (1) ES270059Y (US08124630-20120228-C00102.png)
GB (1) GB2090943B (US08124630-20120228-C00102.png)
IN (1) IN154662B (US08124630-20120228-C00102.png)
TR (1) TR21029A (US08124630-20120228-C00102.png)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2090943B (en) * 1981-01-05 1984-07-18 Woodhead Ltd Jonas Telescopic hydraulic shock absorber valves
US4475052A (en) * 1982-03-08 1984-10-02 Mitsubishi Denki Kabushiki Kaisha Air gap winding rotating electric machine
US4782925A (en) * 1986-01-25 1988-11-08 Fichtel & Sachs Ag Double-tube vibration damper
US5333708A (en) * 1993-01-11 1994-08-02 General Motors Corporation Compression cut-off valve for a hydraulic damper
ES2115429B1 (es) * 1993-05-10 1999-02-16 Fichtel & Sachs Ag Valvula para un amortiguador de vibraciones telescopico hidraulico.
US7696296B2 (en) 2006-05-05 2010-04-13 Ppg Industries Ohio, Inc. Compositions and articles prepared from the thioether functional oligomeric polythiols
US8083039B2 (en) * 2007-08-29 2011-12-27 Tenneco Automotive Operating Company, Inc. Disc spring intake
GB0811611D0 (en) * 2008-05-02 2008-07-30 Delphi Tech Inc Hydraulic damper with compensation chamber
FR2936581B1 (fr) * 2008-10-01 2010-10-22 Alstom Transport Sa Valve pour amortisseur disposee entre une chambre inferieure et une chambre de compensation de l'amortisseur
DE102012220844B3 (de) * 2012-11-15 2014-01-23 Zf Friedrichshafen Ag Dämpfventilanordnung für einen Stoßdämpfer
DE102017211614A1 (de) 2017-07-07 2019-01-10 Zf Friedrichshafen Ag Dämpfventil für einen Schwingungsdämpfer

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2691387A (en) * 1949-02-14 1954-10-12 Houdaille Hershey Corp Foot valve for direct acting shock absorbers
US2685888A (en) * 1949-02-14 1954-08-10 Houdaille Hershey Corp Shock absorber foot valve
US2648405A (en) * 1949-12-17 1953-08-11 Patent Dev Company Piston assembly for shock absorbers
GB1002946A (en) * 1963-08-16 1965-09-02 Kayaba Industry Co Ltd A valve device of an oil damper for suspension of a wheel of a vehicle
US3321051A (en) * 1966-06-24 1967-05-23 Oldberg Mfg Company Shock absorber
US3519109A (en) * 1967-06-29 1970-07-07 Oldberg Mfg Co Shock absorber apparatus
GB1202225A (en) * 1967-08-08 1970-08-12 Armstrong Patents Co Ltd Improvements in and relating to valve assemblies for telescopic hydraulic shock absorbers
GB1232236A (US08124630-20120228-C00102.png) * 1968-05-25 1971-05-19
GB1314103A (en) * 1969-05-08 1973-04-18 Chrysler France Telescopic hydraulic damper
DE2145675A1 (de) * 1971-09-13 1973-03-22 Fichtel & Sachs Ag Einstellbares stossdaempferventil
FR2287627A1 (fr) * 1974-10-11 1976-05-07 Sirven Jacques Amortisseur hydraulique de suspension de vehicule
US4082169A (en) * 1975-12-12 1978-04-04 Bowles Romald E Acceleration controlled fluidic shock absorber
NL169216C (nl) * 1977-12-12 1982-06-16 Itt Inrichting voor het verlagen van de druk op de zuigerstangpakking van een hydraulische telescopische schokdemper.
GB2090943B (en) * 1981-01-05 1984-07-18 Woodhead Ltd Jonas Telescopic hydraulic shock absorber valves
GB2090644B (en) * 1981-01-05 1984-05-23 Woodhead Ltd Jonas Base valve assemblies in telescopic hydraulic shock absorbers

Also Published As

Publication number Publication date
KR830009406A (ko) 1983-12-21
EP0056006A3 (en) 1983-01-19
EP0056006A2 (en) 1982-07-14
IN154662B (US08124630-20120228-C00102.png) 1984-12-01
TR21029A (tr) 1983-05-20
GB2090943B (en) 1984-07-18
ES270059Y (es) 1984-03-01
GB2090943A (en) 1982-07-21
US4650043A (en) 1987-03-17
ES270059U (es) 1983-08-01
JPS57134034A (en) 1982-08-19
KR880000568B1 (ko) 1988-04-15
EP0056006B1 (en) 1986-04-16
DE3270522D1 (en) 1986-05-22

Similar Documents

Publication Publication Date Title
US4076276A (en) Base valve for independent wheel suspension strut
US3945474A (en) Shock absorber
US5325942A (en) Tunable hydraulic valve for shock absorber
US4492290A (en) Acceleration sensitive compression head
US4438834A (en) Hydro-pneumatic damping unit
US4189033A (en) Shock absorber
US6334516B1 (en) Acceleration sensitive twin tube shock absorber
US4834222A (en) Hydraulic damper
US4610332A (en) Velocity sensitive valve element for a shock absorber
CA1191164A (en) Telescopic hydraulic shock absorbers
US11326663B2 (en) Damper assembly and a piston for a damper assembly
GB2342423A (en) A stroke dependent shock absorber for a vehicle suspension
US4819773A (en) Valve structure for hydraulic damper
WO2006049741A1 (en) Stroke dependent damping
GB2104183A (en) Shock absorber with metering rod or tube
US2569520A (en) Flow control mechanism for shock absorbers
US4775038A (en) Spring loaded piston seal and valving component for shock absorbers, Macpherson struts and the like
US4245825A (en) Shock absorber for wheeled vehicle
US6533085B2 (en) Modular blow-off valve for automotive damper
GB2090644A (en) Base valve assemblies in telescopic hydraulic shock absorbers
US6039159A (en) Shock absorber arrangement and use
GB2397110A (en) A bottom valve apparatus for a hydraulic shock absorber
US2811226A (en) Shock absorbers of the direct acting type
US4182438A (en) Shock absorber with improved compression valve assembly
US20020134629A1 (en) Shock absorber

Legal Events

Date Code Title Description
MKEX Expiry