GB2328999B - Shock absorber - Google Patents

Shock absorber

Info

Publication number
GB2328999B
GB2328999B GB9818658A GB9818658A GB2328999B GB 2328999 B GB2328999 B GB 2328999B GB 9818658 A GB9818658 A GB 9818658A GB 9818658 A GB9818658 A GB 9818658A GB 2328999 B GB2328999 B GB 2328999B
Authority
GB
United Kingdom
Prior art keywords
shock absorber
absorber
shock
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
GB9818658A
Other versions
GB9818658D0 (en
GB2328999A (en
Inventor
Dr 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 GB9818658D0 publication Critical patent/GB9818658D0/en
Publication of GB2328999A publication Critical patent/GB2328999A/en
Application granted granted Critical
Publication of GB2328999B publication Critical patent/GB2328999B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F16F9/50Special 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
    • F16F9/516Special 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
    • 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
    • F16F9/06Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
    • F16F9/08Springs, 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
    • F16F9/082Springs, 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
    • 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
    • F16F9/348Throttling 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)
GB9818658A 1997-09-04 1998-08-26 Shock absorber Expired - Fee Related GB2328999B (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 (3)

Publication Number Publication Date
GB9818658D0 GB9818658D0 (en) 1998-10-21
GB2328999A GB2328999A (en) 1999-03-10
GB2328999B true GB2328999B (en) 1999-07-28

Family

ID=7841140

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9818658A Expired - Fee Related GB2328999B (en) 1997-09-04 1998-08-26 Shock absorber

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
CA2854913A1 (en) 2011-11-08 2013-06-06 Progressive Suspension, Inc. 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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4383595A (en) * 1979-08-18 1983-05-17 Stabilus Gmbh Gas spring having three different damping-rate stages
US4796871A (en) * 1986-07-15 1989-01-10 Fritz Bauer & Sohne Ohg Gas spring with end position damping
GB2319321A (en) * 1996-11-12 1998-05-20 Tenneco Automotive Inc Stroke dependent damping

Family Cites Families (12)

* 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
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4383595A (en) * 1979-08-18 1983-05-17 Stabilus Gmbh Gas spring having three different damping-rate stages
US4796871A (en) * 1986-07-15 1989-01-10 Fritz Bauer & Sohne Ohg Gas spring with end position damping
GB2319321A (en) * 1996-11-12 1998-05-20 Tenneco Automotive Inc Stroke dependent damping

Also Published As

Publication number Publication date
DE19738617A1 (en) 1999-03-25
FR2767887A1 (en) 1999-03-05
ITRM980567A0 (en) 1998-09-01
FR2767887B1 (en) 2002-02-15
GB9818658D0 (en) 1998-10-21
ITRM980567A1 (en) 2000-03-01
GB2328999A (en) 1999-03-10
DE19738617C2 (en) 2003-03-13
IT1302308B1 (en) 2000-09-05

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020826