FR2534339B1 - Equilibreur a ressort pneumatique a structure d'amortissement perfectionnee - Google Patents

Equilibreur a ressort pneumatique a structure d'amortissement perfectionnee

Info

Publication number
FR2534339B1
FR2534339B1 FR8312578A FR8312578A FR2534339B1 FR 2534339 B1 FR2534339 B1 FR 2534339B1 FR 8312578 A FR8312578 A FR 8312578A FR 8312578 A FR8312578 A FR 8312578A FR 2534339 B1 FR2534339 B1 FR 2534339B1
Authority
FR
France
Prior art keywords
damping structure
pneumatic spring
spring balancer
improved damping
balancer
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
FR8312578A
Other languages
English (en)
Other versions
FR2534339A1 (fr
Inventor
Daniel P Dodson
George C Ludwig
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.)
AVM Corp
Original Assignee
AVM Corp
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 AVM Corp filed Critical AVM Corp
Publication of FR2534339A1 publication Critical patent/FR2534339A1/fr
Application granted granted Critical
Publication of FR2534339B1 publication Critical patent/FR2534339B1/fr
Expired 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
    • F16F9/48—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)
  • Fluid-Damping Devices (AREA)
FR8312578A 1982-10-08 1983-07-29 Equilibreur a ressort pneumatique a structure d'amortissement perfectionnee Expired FR2534339B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/433,421 US4570912A (en) 1982-10-08 1982-10-08 Pneumatic spring counterbalance having improved damping structure

Publications (2)

Publication Number Publication Date
FR2534339A1 FR2534339A1 (fr) 1984-04-13
FR2534339B1 true FR2534339B1 (fr) 1987-01-09

Family

ID=23720084

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8312578A Expired FR2534339B1 (fr) 1982-10-08 1983-07-29 Equilibreur a ressort pneumatique a structure d'amortissement perfectionnee

Country Status (6)

Country Link
US (1) US4570912A (fr)
JP (1) JPS5969542A (fr)
CA (1) CA1212392A (fr)
DE (1) DE3335321A1 (fr)
FR (1) FR2534339B1 (fr)
GB (2) GB2129909B (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2568646B1 (fr) * 1984-07-31 1988-07-29 Socalfram Ressort pneumatique basculant a etancheite amelioree
US4854554A (en) * 1986-12-19 1989-08-08 Maremont Corporation Pneumatic spring structure with dual output force and pressure decay compensation and method of operation
US4921225A (en) * 1986-12-19 1990-05-01 Maremont Corporation Pneumatic spring structure with dual output force and pressure decay compensation and method of operation
US4788747A (en) * 1986-12-19 1988-12-06 Avm, Inc. Counterbalance apparatus with transverse pneumatic spring and bellcrank linkage
DE8909051U1 (fr) * 1989-07-26 1989-09-07 Fritz Bauer + Soehne Ohg, 8503 Altdorf, De
DE3931448A1 (de) * 1989-09-21 1991-04-04 Stabilus Gmbh Stufenlos hoehenverstellbares, hydropneumatisches hubaggregat, mit ueberdrucksicherung
US4973865A (en) * 1989-12-20 1990-11-27 Vlsi Technology, Inc. Auto-delay gain circuit
US5074389A (en) * 1990-01-25 1991-12-24 Bobcat Engineering Corporation Peripherally valved, temperature-compensated shock absorber
US5120030A (en) * 1991-05-28 1992-06-09 General Motors Corporation Magnet assisted liftgate strut
US5769190A (en) * 1996-01-16 1998-06-23 Tenneco Automotive Inc. Continuous controlled restriction valve for a shock absorber
US6179297B1 (en) * 1996-10-04 2001-01-30 Avm, Inc. Seal
SE517269C2 (sv) * 2001-05-31 2002-05-21 Stroemsholmen Ab Arrangemang vid pressverktyg för att bromsa en gasfjäders kolv/kolvstång
US7032910B2 (en) * 2002-05-13 2006-04-25 Baxter International Inc. Adaptable blood processing platforms
US6959921B2 (en) * 2003-01-13 2005-11-01 Arvinmeritor Technology, Llc Temperature responsive valve assembly for a pneumatic spring
US6974001B2 (en) * 2003-11-19 2005-12-13 Arvinmeritor Technology, Llc. Temperature compensating gas spring
DE102004061757B4 (de) * 2004-12-22 2015-08-20 Volkswagen Ag Dämpfungselement
US20080284073A1 (en) * 2007-05-16 2008-11-20 Heleski Clare P Variable speed gas spring
WO2015113157A1 (fr) * 2014-01-29 2015-08-06 Canimex Inc. Cône hélicoïdal pour faciliter une insertion hélicoïdale sur un fil de petite taille

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1104016A (fr) * 1955-02-21 1955-11-15 Piston d'amortisseur de suspension
US2818942A (en) * 1956-03-23 1958-01-07 Ford Motor Co Shock absorber
US3272494A (en) * 1963-03-02 1966-09-13 Sarl Rech S Etudes Production Suspension for vehicles
GB1033810A (en) * 1963-07-15 1966-06-22 Woodhead Monroe Ltd Improvements relating to vibration dampers
GB1132038A (en) * 1966-03-17 1968-10-30 Woodhead Mfg Company Ltd Vibration dampers
GB1226534A (fr) * 1967-06-24 1971-03-31
JPS483260U (fr) * 1971-05-19 1973-01-16
DE7410489U (de) * 1974-03-26 1975-07-17 Stabilus Gmbh Gasfeder mit Enddämpfung
AR200335A1 (es) * 1974-08-01 1974-10-31 Duran H Amortiguador neumatico para la suspension de automotores y/o vehiculos similares
JPS5445448A (en) * 1977-09-19 1979-04-10 Nissan Motor Co Ltd Gas spring
JPS6011254B2 (ja) * 1977-09-30 1985-03-25 トキコ株式会社 ガススプリング
DE2752265A1 (de) * 1977-11-23 1979-05-31 Boge Gmbh Teleskop-gasfeder mit hydraulisch gedaempftem endanschlag
DE2902055A1 (de) * 1978-01-20 1979-07-26 Girling Ltd Gasfeder
US4221367A (en) * 1978-10-23 1980-09-09 Gas Spring Corporation Gas spring with two-stage damping
GB2037933B (en) * 1978-11-18 1983-02-09 Stabilus Gmbh Cylinder and piston device with piston acting as valve member
DE2933590A1 (de) * 1979-08-18 1981-03-26 Stabilus Gmbh, 56070 Koblenz Gasfeder mit hydraulischer oder hydropneumatischer enddaempfung
JPS5930542B2 (ja) * 1980-01-14 1984-07-27 池田物産株式会社 曲面状内装材及びその製造方法
US4408751A (en) * 1981-04-24 1983-10-11 Avm Corporation Multi-chamber temperature compensated pneumatic counterbalance

Also Published As

Publication number Publication date
DE3335321A1 (de) 1984-04-12
CA1212392A (fr) 1986-10-07
FR2534339A1 (fr) 1984-04-13
JPS5969542A (ja) 1984-04-19
GB8315254D0 (en) 1983-07-06
US4570912A (en) 1986-02-18
GB2129909A (en) 1984-05-23
GB2129909B (en) 1987-03-18
GB2169054A (en) 1986-07-02
GB8531517D0 (en) 1986-02-05
GB2169054B (en) 1987-03-18

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Legal Events

Date Code Title Description
ST Notification of lapse