CA2433827C - Self-contained bidirectional end-of-stroke hydraulic snubber - Google Patents

Self-contained bidirectional end-of-stroke hydraulic snubber Download PDF

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Publication number
CA2433827C
CA2433827C CA2433827A CA2433827A CA2433827C CA 2433827 C CA2433827 C CA 2433827C CA 2433827 A CA2433827 A CA 2433827A CA 2433827 A CA2433827 A CA 2433827A CA 2433827 C CA2433827 C CA 2433827C
Authority
CA
Canada
Prior art keywords
rod
housing
stroke
chamber
piston
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 - Lifetime
Application number
CA2433827A
Other languages
English (en)
French (fr)
Other versions
CA2433827A1 (en
Inventor
Luke G. Finley
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.)
Moog Inc
Original Assignee
Moog Inc
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 Moog Inc filed Critical Moog Inc
Publication of CA2433827A1 publication Critical patent/CA2433827A1/en
Application granted granted Critical
Publication of CA2433827C publication Critical patent/CA2433827C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
    • F15B15/227—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having an auxiliary cushioning piston within the main piston or the cylinder end face
    • 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
    • F16F9/49—Stops limiting fluid passage, e.g. hydraulic stops or elastomeric elements inside the cylinder which contribute to changes in fluid damping

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Actuator (AREA)
  • Fluid-Damping Devices (AREA)
CA2433827A 2002-06-28 2003-06-25 Self-contained bidirectional end-of-stroke hydraulic snubber Expired - Lifetime CA2433827C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/184,700 US6763920B2 (en) 2002-06-28 2002-06-28 Self-contained bidirectional end-of-stroke hydraulic snubber
US10/184,700 2002-06-28

Publications (2)

Publication Number Publication Date
CA2433827A1 CA2433827A1 (en) 2003-12-28
CA2433827C true CA2433827C (en) 2010-02-23

Family

ID=29717973

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2433827A Expired - Lifetime CA2433827C (en) 2002-06-28 2003-06-25 Self-contained bidirectional end-of-stroke hydraulic snubber

Country Status (5)

Country Link
US (1) US6763920B2 (enExample)
EP (1) EP1375957B1 (enExample)
JP (1) JP4166636B2 (enExample)
CA (1) CA2433827C (enExample)
DE (1) DE60303092T2 (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004021558A1 (de) * 2004-05-03 2005-12-08 Daimlerchrysler Ag Schwingungsdämpfer mit Zuganschlag
FR2885192A1 (fr) * 2005-04-29 2006-11-03 Renault Sas Systeme de butee hydraulique d'un vehicule automobile
FR2894303B1 (fr) * 2005-12-02 2010-09-03 Pommier S C E B P Verin hydraulique a amortissement
JP4971828B2 (ja) * 2006-03-02 2012-07-11 株式会社コガネイ ショックアブソーバ
JP5100150B2 (ja) * 2006-03-02 2012-12-19 株式会社コガネイ ショックアブソーバ
WO2009073810A2 (en) * 2007-12-05 2009-06-11 Pacific Scientific Company Snubber valve
DE102010017204A1 (de) * 2010-06-02 2012-01-05 Amazonen-Werke H. Dreyer Gmbh & Co. Kg Landwirtschaftliche Verteilmaschine
FR2975744B1 (fr) * 2011-05-25 2013-11-22 Peugeot Citroen Automobiles Sa Dispositif de deplacement commande en translation d'une fourchette de passage de vitesse pour boite de vitesses de vehicule automobile
FR2990735B1 (fr) * 2012-05-16 2015-01-16 Peugeot Citroen Automobiles Sa Amortisseur hydraulique comprenant une butee de fin de course comportant un piston
DE102012107197A1 (de) * 2012-08-06 2014-02-06 Still Gmbh Hydraulikzylinder mit Endlagendämpfung
US9091320B1 (en) 2014-01-08 2015-07-28 Thyssenkrupp Bilstein Of America, Inc. Multi-stage shock absorber
FR3049231B1 (fr) * 2016-03-24 2019-06-07 Peugeot Citroen Automobiles Sa Systeme de suspension hydraulique d'un vehicule
DE102018201276A1 (de) * 2018-01-29 2019-08-14 Volkswagen Aktiengesellschaft Schwingungsdämpfer mit hydraulischem Zuganschlag
GB2575879A (en) 2018-07-27 2020-01-29 Moog Bv Actuator
FR3098561B1 (fr) * 2019-07-09 2021-08-06 Soben Butée hydraulique pour amortisseur

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2948358A (en) * 1958-02-10 1960-08-09 Western Electric Co Hydraulic shock absorber
US3698284A (en) * 1970-07-16 1972-10-17 Us Army Buffer system for decelerating a reciprocating gun
US3889934A (en) * 1973-12-19 1975-06-17 Houdaille Industries Inc Hydraulic buffer
DE3245732C2 (de) * 1982-12-10 1987-02-05 Paul Forkardt GmbH & Co KG, 4000 Düsseldorf Zweiseitig wirkender hydraulischer Stoßdämpfer
DE3324165A1 (de) * 1983-07-05 1985-01-17 ACE Stoßdämpfer GmbH, 4018 Langenfeld Beidseitig wirksamer hydraulischer stossdaempfer
SE438990B (sv) * 1984-06-21 1985-05-28 Saab Scania Ab Arrangemang for dempning av vexlingsrorelser vid en mekanisk synkroniserad flerstegsvexellada
US5205200A (en) * 1990-07-26 1993-04-27 Wright John J Hydraulic booster device for linear actuator
JPH09210018A (ja) * 1996-01-31 1997-08-12 Tokimec Inc 液圧回路
US5720368A (en) * 1997-03-03 1998-02-24 Caterpillar Inc. Snubber for a hydraulic cylinder

Also Published As

Publication number Publication date
DE60303092D1 (de) 2006-03-30
EP1375957B1 (en) 2006-01-04
US20040000455A1 (en) 2004-01-01
US6763920B2 (en) 2004-07-20
JP4166636B2 (ja) 2008-10-15
CA2433827A1 (en) 2003-12-28
DE60303092T2 (de) 2006-07-20
EP1375957A1 (en) 2004-01-02
JP2004036888A (ja) 2004-02-05

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Effective date: 20230627