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FR2828539B1 - Amortisseur d'oscillations a force d'amortissement variable - Google Patents

Amortisseur d'oscillations a force d'amortissement variable

Info

Publication number
FR2828539B1
FR2828539B1 FR0210137A FR0210137A FR2828539B1 FR 2828539 B1 FR2828539 B1 FR 2828539B1 FR 0210137 A FR0210137 A FR 0210137A FR 0210137 A FR0210137 A FR 0210137A FR 2828539 B1 FR2828539 B1 FR 2828539B1
Authority
FR
France
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
FR0210137A
Other languages
English (en)
Other versions
FR2828539A1 (fr
Inventor
Andreas Forster
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.)
ZF Friedrichshafen AG
Original Assignee
ZF Sachs 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
Priority claimed from DE2001139222 external-priority patent/DE10139222B4/de
Application filed by ZF Sachs AG filed Critical ZF Sachs AG
Publication of FR2828539A1 publication Critical patent/FR2828539A1/fr
Application granted granted Critical
Publication of FR2828539B1 publication Critical patent/FR2828539B1/fr
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
    • F16F9/3207—Constructional features
    • F16F9/3214—Constructional features of pistons
    • 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
    • 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
    • F16F9/3485—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 characterised by features of supporting elements intended to guide or limit the movement of the annular discs
    • 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
    • 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
    • F16F9/464—Control of valve bias or pre-stress, e.g. electromagnetically
    • 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
    • F16F9/5126—Piston, or piston-like valve elements

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Electromagnetism (AREA)
  • Fluid-Damping Devices (AREA)
FR0210137A 2001-08-09 2002-08-09 Amortisseur d'oscillations a force d'amortissement variable Expired - Fee Related FR2828539B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2001139222 DE10139222B4 (de) 2001-08-09 2001-08-09 Schwingungsdäpfer mit verstellbarer Dämpfkraft

Publications (2)

Publication Number Publication Date
FR2828539A1 FR2828539A1 (fr) 2003-02-14
FR2828539B1 true FR2828539B1 (fr) 2006-06-30

Family

ID=7694958

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0210137A Expired - Fee Related FR2828539B1 (fr) 2001-08-09 2002-08-09 Amortisseur d'oscillations a force d'amortissement variable

Country Status (2)

Country Link
US (1) US6915885B2 (fr)
FR (1) FR2828539B1 (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4685380B2 (ja) * 2004-07-21 2011-05-18 株式会社ニフコ 移動体の衝撃吸収装置
US7377500B2 (en) * 2003-12-26 2008-05-27 Nifco Inc. Shock absorbing device for moving body
US8004293B2 (en) * 2006-11-20 2011-08-23 Applied Materials, Inc. Plasma processing chamber with ground member integrity indicator and method for using the same
US7798459B2 (en) 2007-05-31 2010-09-21 Lawrence Livermore National Security, Llc Laser beam guard clamps
US20100244340A1 (en) * 2008-03-19 2010-09-30 Wootten Dennis K Methods and apparatus for combined variable damping and variable spring rate suspension
US9156325B2 (en) 2008-03-19 2015-10-13 Fox Factory, Inc. Methods and apparatus for vehicle suspension having multiple gas volumes
US9150075B2 (en) 2008-03-19 2015-10-06 Fox Factory, Inc. Methods and apparatus for suspending vehicles
US8869959B2 (en) 2008-07-24 2014-10-28 Fox Factory, Incorporated Vehicle suspension damper
EP2148112B1 (fr) * 2008-07-24 2020-04-08 Fox Factory, Inc. Amortisseur de suspension de véhicule
WO2011063390A1 (fr) * 2009-11-23 2011-05-26 Beijingwest Industries Co., Ltd Système de soupape variable à double ressort
ITTO20090943A1 (it) * 2009-12-01 2011-06-02 Sistemi Sospensioni Spa Ammortizzatore passivo a smorzamento variabile, particolarmente per sospensione di veicolo
WO2011099945A1 (fr) * 2010-02-09 2011-08-18 Insu Teknik Makina Sanayi Ve Ticaret Anonim Sirketi Élément de poussée développant une force additionnelle s'ajoutant à une pression d'huile et de gaz dans des amortisseurs
KR101230550B1 (ko) * 2010-11-08 2013-02-07 주식회사 만도 쇽업소버의 감쇠력 가변 밸브 조립체
US8596663B2 (en) * 2011-03-29 2013-12-03 Shimano Inc. Fluid flow control structure
US8770592B2 (en) * 2012-02-03 2014-07-08 Fox Factory, Inc. Suspension with hydraulic preload adjust
US20140103240A1 (en) * 2012-10-17 2014-04-17 Swagelok Company Actuator with dual drive
DE102013006863A1 (de) * 2013-04-19 2014-10-23 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Scheibenbremse mit einer bidirektionalen Verschleißnachstellvorrichtung, und bidirektionale Verschleißnachstellvorrichtung
JP6781557B2 (ja) * 2016-03-23 2020-11-04 Ｋｙｂ株式会社 ショックアブソーバ
EP3736467A1 (fr) * 2019-05-03 2020-11-11 The Dynamic Engineering Solution Pty Ltd Amortisseur hydraulique
CN114981560A (zh) * 2020-01-24 2022-08-30 日立安斯泰莫株式会社 缓冲器
US11697492B2 (en) * 2020-04-09 2023-07-11 Roller Bearing Company Of America, Inc. Rotor blade lead-lag hydraulic damper with centrifugal force compensating damping characteristics
GB2605160B (en) * 2021-03-24 2023-05-31 Safran Landing Systems Uk Ltd Aircraft landing gear torque link assembly
US11904650B2 (en) * 2021-08-25 2024-02-20 DRiV Automotive Inc. Shock absorber

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2945015A1 (de) 1979-11-08 1981-10-08 August Bilstein GmbH & Co KG, 5828 Ennepetal Verstellbarer stossdaempfer, insbesondere fuer kraftfahrzeuge
US4527676A (en) * 1982-02-13 1985-07-09 Atsugi Motor Parts Co., Ltd. Variable-damping-force shock absorber
DE3312899C2 (de) 1983-04-11 1985-06-13 F & O Electronic Systems GmbH & Co, 6901 Neckarsteinach Regelbares Ventil für die Kolbenstange eines Schwingungsdämpfers
ES533297A0 (es) * 1983-06-29 1985-03-01 Boge Gmbh Amortiguador hidraulico regulable
DE3408267A1 (de) 1984-03-07 1985-09-19 Boge Gmbh, 5208 Eitorf Hydraulischer, regelbarer stossdaempfer
US4620620A (en) * 1984-03-12 1986-11-04 General Motors Corporation Actuator for adjustable hydraulic damper
DE3446133A1 (de) * 1984-12-18 1986-06-19 Fichtel & Sachs Ag, 8720 Schweinfurt Schwingungsdaempfer mit veraenderbarer daempfkraft
JPS6267342A (ja) * 1985-09-19 1987-03-27 Aisin Seiki Co Ltd 回転角度制御用ロ−タリ−アクチユエ−タ
DE3542846A1 (de) 1985-12-04 1987-06-11 Fichtel & Sachs Ag Betaetigungseinrichtung fuer einen schwingungsdaempfer mit veraenderbarer daempfkraft
DE3606306C2 (de) 1986-02-27 1993-10-07 Fichtel & Sachs Ag Betätigungseinrichtung für einen Schwingungsdämpfer mit veränderbarer Dämpfkraft
IN171562B (fr) 1989-03-03 1992-11-21 Maremont Corp
JP2000179610A (ja) 1998-12-16 2000-06-27 Toyota Motor Corp 減衰力可変ショックアブソーバ

Also Published As

Publication number Publication date
FR2828539A1 (fr) 2003-02-14
US20030029684A1 (en) 2003-02-13
US6915885B2 (en) 2005-07-12

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20100430