FR2767887B1 - COMPRESSED GAS SHOCK ABSORBER FOR MOTOR VEHICLES - Google Patents

COMPRESSED GAS SHOCK ABSORBER FOR MOTOR VEHICLES

Info

Publication number
FR2767887B1
FR2767887B1 FR9810959A FR9810959A FR2767887B1 FR 2767887 B1 FR2767887 B1 FR 2767887B1 FR 9810959 A FR9810959 A FR 9810959A FR 9810959 A FR9810959 A FR 9810959A FR 2767887 B1 FR2767887 B1 FR 2767887B1
Authority
FR
France
Prior art keywords
shock absorber
compressed gas
motor vehicles
gas shock
vehicles
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
FR9810959A
Other languages
French (fr)
Other versions
FR2767887A1 (en
Inventor
Dieter Ammon
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.)
Daimler Benz AG
Original Assignee
Daimler Benz AG
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 Daimler Benz AG filed Critical Daimler Benz AG
Publication of FR2767887A1 publication Critical patent/FR2767887A1/en
Application granted granted Critical
Publication of FR2767887B1 publication Critical patent/FR2767887B1/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
    • F16F9/50—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
    • F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
    • F16F9/08—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid where gas is in a chamber with a flexible wall
    • F16F9/082—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid where gas is in a chamber with a flexible wall characterised by the hydropneumatic accumulator
    • 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
    • F16F9/34—Special valve constructions; Shape or construction of throttling passages
    • F16F9/348—Throttling passages in the form of annular discs or other plate-like elements which may or may not have a spring action, operating in opposite directions or singly, e.g. annular discs positioned on top of the valve or piston body

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
FR9810959A 1997-09-04 1998-09-02 COMPRESSED GAS SHOCK ABSORBER FOR MOTOR VEHICLES Expired - Fee Related FR2767887B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19738617A DE19738617C2 (en) 1997-09-04 1997-09-04 Shock absorbers for motor vehicles

Publications (2)

Publication Number Publication Date
FR2767887A1 FR2767887A1 (en) 1999-03-05
FR2767887B1 true FR2767887B1 (en) 2002-02-15

Family

ID=7841140

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9810959A Expired - Fee Related FR2767887B1 (en) 1997-09-04 1998-09-02 COMPRESSED GAS SHOCK ABSORBER FOR MOTOR VEHICLES

Country Status (4)

Country Link
DE (1) DE19738617C2 (en)
FR (1) FR2767887B1 (en)
GB (1) GB2328999B (en)
IT (1) IT1302308B1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10059707B4 (en) * 2000-01-25 2011-09-01 Zf Sachs Ag Damping valve for a vibration damper
DE10318018B4 (en) * 2002-05-24 2015-06-11 Zf Friedrichshafen Ag Kolbendämpfventil
DE10325877B4 (en) * 2003-06-06 2006-01-05 Thyssenkrupp Bilstein Gmbh Device for amplitude-dependent damping of shocks
DE102004058965B4 (en) 2004-12-08 2010-07-08 Zf Friedrichshafen Ag Vibration damper with amplitude-selective damping force
DE102005020293A1 (en) * 2005-04-30 2006-11-09 Zf Friedrichshafen Ag Vibration damper with amplitude-selective damping force
DE102005045267B3 (en) * 2005-09-22 2006-12-21 Zf Friedrichshafen Ag Damper with adjustable damping force for damping vibrations has bypass channel hydraulically parallel to flow connection
DE102006053720A1 (en) * 2006-11-15 2008-05-21 Bayerische Motoren Werke Ag Hydraulic damper for motorcycle, has bending-elastic diaphragm spring-like units arranged on side of piston and supported at rod over flexible intermediate unit, where area of spring-like units is supported at rod in longitudinal direction
DE102008024039A1 (en) * 2008-05-16 2009-11-26 Zf Friedrichshafen Ag Piston-cylinder-assembly e.g. vibration damper, for motor vehicle, has fastening elements for fastening assembly to chassis and vehicle body, and piston flexibly supported against piston rod, which is supported against piston rod guide
DE102008002062B3 (en) * 2008-05-29 2009-11-26 Zf Friedrichshafen Ag Vibration damper with amplitude-dependent damping force
DE102009008336B3 (en) * 2009-02-10 2010-09-16 Zf Friedrichshafen Ag Vibration damper i.e. tubular damper, has sleeve provided with inner and outer rings, and elastomer part arranged between inner and outer rings, where flexible element is accommodated within elastomer part
DE102009035570A1 (en) * 2009-07-31 2011-02-17 Hydac System Gmbh Hydro-pneumatic piston-cylinder arrangement, particularly for use as suspension strut in vehicle-suspension system, comprises cylinder and piston rod of piston, where piston rod is guided outwards from open end of cylinder
US9038790B2 (en) 2011-11-08 2015-05-26 Progressive Suspension, Llc Frequency sensitive shock absorber
DE102014201481B4 (en) * 2014-01-28 2022-03-10 Zf Friedrichshafen Ag Vibration damper and piston valve for a vibration damper
CN108263159B (en) * 2017-11-03 2021-01-05 广州电力机车有限公司 Suspension system of dumper
CN118128216B (en) * 2024-05-06 2024-07-19 四川中震智控科技有限公司 Damper for building shock absorption

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1419551A (en) * 1958-01-28 1965-12-03 Improvement in shock absorbers
GB1040154A (en) * 1961-12-16 1966-08-24 Girling Ltd Hydraulic damper or suspension unit
FR1323746A (en) * 1962-03-02 1963-04-12 Advanced hydraulic shock absorber
DE1915740U (en) * 1965-01-15 1965-05-13 Stahlwerke Brueninghaus G M B VIBRATION DAMPER.
DE7243462U (en) * 1972-11-27 1974-01-31 Schmid L Hydropneumatic single-tube telescopic vibration damper, in particular for motor vehicles
DE2434053A1 (en) * 1974-07-16 1976-02-05 Conair SHOCK ABSORBER
CA1096410A (en) * 1977-06-13 1981-02-24 Jan M. A. Wijnhoven Shock absorber piston
DE2933590A1 (en) * 1979-08-18 1981-03-26 Stabilus Gmbh, 56070 Koblenz GAS SPRING WITH HYDRAULIC OR HYDROPNEUMATIC FINAL DAMPING
DE3623787A1 (en) * 1986-07-15 1988-01-21 Bauer Fritz & Soehne Ohg GAS SPRING WITH LIMIT DAMPING
DE3913912A1 (en) * 1989-04-27 1990-10-31 Karl Dr Ing Bittel Hydraulic single pipe gas pressure shock absorber - has pressure slide valve piece, with packing cones, and piston with hole and choke and compression spring
DE4033186A1 (en) * 1990-10-19 1992-04-23 Stabilus Gmbh THROTTLE DEVICE WITH DIRECTIONAL BYPASS SWITCHING
DE4328319A1 (en) * 1993-08-23 1995-03-02 Hemscheidt Maschf Hermann Cylinder-piston unit for a hydropneumatic suspension
DE4342755A1 (en) * 1993-12-15 1995-06-22 Bosch Gmbh Robert Shock absorber esp. for vehicles
DE19523397C1 (en) * 1995-06-28 1996-08-14 Fichtel & Sachs Ag Oscillation damper with piston fixed to piston rod
US5823306A (en) * 1996-11-12 1998-10-20 Tenneco Automotive Inc. Stroke dependent damping

Also Published As

Publication number Publication date
GB2328999B (en) 1999-07-28
IT1302308B1 (en) 2000-09-05
GB9818658D0 (en) 1998-10-21
DE19738617A1 (en) 1999-03-25
FR2767887A1 (en) 1999-03-05
GB2328999A (en) 1999-03-10
DE19738617C2 (en) 2003-03-13
ITRM980567A1 (en) 2000-03-01
ITRM980567A0 (en) 1998-09-01

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Legal Events

Date Code Title Description
ST Notification of lapse