FR2497896A1 - Amortisseur - Google Patents

Amortisseur Download PDF

Info

Publication number
FR2497896A1
FR2497896A1 FR8018732A FR8018732A FR2497896A1 FR 2497896 A1 FR2497896 A1 FR 2497896A1 FR 8018732 A FR8018732 A FR 8018732A FR 8018732 A FR8018732 A FR 8018732A FR 2497896 A1 FR2497896 A1 FR 2497896A1
Authority
FR
France
Prior art keywords
piston
damper
force
space
chambers
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.)
Granted
Application number
FR8018732A
Other languages
English (en)
French (fr)
Other versions
FR2497896B1 (en, 2012
Inventor
Jean Masclet
Jacques Veaux
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.)
Messier Hispano SA
Safran Landing Systems SAS
Original Assignee
Messier Bugatti SA
Messier Hispano SA
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 Messier Bugatti SA, Messier Hispano SA filed Critical Messier Bugatti SA
Priority to FR8018732A priority Critical patent/FR2497896A1/fr
Priority to JP56125400A priority patent/JPS5754749A/ja
Priority to DE8181401346T priority patent/DE3163084D1/de
Priority to EP81401346A priority patent/EP0047209B1/fr
Priority to CA000384795A priority patent/CA1166657A/fr
Publication of FR2497896A1 publication Critical patent/FR2497896A1/fr
Priority to US06/542,094 priority patent/US4506869A/en
Application granted granted Critical
Publication of FR2497896B1 publication Critical patent/FR2497896B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C25/00—Alighting gear
    • B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface 
    • B64C25/58—Arrangements or adaptations of shock-absorbers or springs
    • B64C25/60—Oleo legs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/0152—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the action on a particular type of suspension unit
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/10—Type of spring
    • B60G2202/15—Fluid spring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2300/00—Indexing codes relating to the type of vehicle
    • B60G2300/16—Aeroplanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/20—Speed
    • B60G2400/204—Vehicle speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/90—Other conditions or factors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2500/00—Indexing codes relating to the regulated action or device
    • B60G2500/10—Damping action or damper

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Fluid-Damping Devices (AREA)
FR8018732A 1980-08-29 1980-08-29 Amortisseur Granted FR2497896A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR8018732A FR2497896A1 (fr) 1980-08-29 1980-08-29 Amortisseur
JP56125400A JPS5754749A (en) 1980-08-29 1981-08-12 Shock absorber
DE8181401346T DE3163084D1 (en) 1980-08-29 1981-08-27 Shock damper
EP81401346A EP0047209B1 (fr) 1980-08-29 1981-08-27 Amortisseur
CA000384795A CA1166657A (fr) 1980-08-29 1981-08-28 Amortisseur
US06/542,094 US4506869A (en) 1980-08-29 1983-10-17 Dual chamber shock absorbers for aircrafts and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8018732A FR2497896A1 (fr) 1980-08-29 1980-08-29 Amortisseur

Publications (2)

Publication Number Publication Date
FR2497896A1 true FR2497896A1 (fr) 1982-07-16
FR2497896B1 FR2497896B1 (en, 2012) 1984-10-26

Family

ID=9245488

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8018732A Granted FR2497896A1 (fr) 1980-08-29 1980-08-29 Amortisseur

Country Status (6)

Country Link
US (1) US4506869A (en, 2012)
EP (1) EP0047209B1 (en, 2012)
JP (1) JPS5754749A (en, 2012)
CA (1) CA1166657A (en, 2012)
DE (1) DE3163084D1 (en, 2012)
FR (1) FR2497896A1 (en, 2012)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8336759U1 (de) * 1983-04-11 1985-11-28 F & O Electronic Systems GmbH & Co, 6901 Neckarsteinach Stoßdämpfer mit veränderbarer Dämpfungscharakteristik
GB8328373D0 (en) * 1983-10-24 1983-11-23 Lotus Car Vehicle suspension device
JPS60234016A (ja) * 1984-04-30 1985-11-20 Nippon Denso Co Ltd 車両用シヨツクアブソ−バ制御装置
JPS6166235U (en, 2012) * 1984-10-08 1986-05-07
JPS61241542A (ja) * 1985-04-18 1986-10-27 Koganei Seisakusho:Kk 緩衝器
JPS61282635A (ja) * 1985-06-05 1986-12-12 Koganei Seisakusho:Kk 緩衝器
US4739976A (en) * 1985-11-08 1988-04-26 Wiseda Ltd. Suspension for heavily loaded haul trucks
FR2601097B1 (fr) * 1986-07-07 1990-07-06 Messier Hispano Bugatti Sa Amortisseur a adaptation de course residuelle
US4869444A (en) * 1986-09-30 1989-09-26 The Boeing Company Adjustable two-stage aircraft landing gear system
FR2617545B1 (fr) * 1987-07-03 1993-04-30 Applic Mach Motrices Verin hydropneumatique
FR2618507B1 (fr) * 1987-07-21 1993-12-03 Sirven Jacques Amortisseur hydraulique muni de moyens permettant de faire varier les caracteristiques de fonctionnement
FR2624938B1 (fr) * 1987-12-18 1993-01-29 Messier Hispano Sa Amortisseur a detente rapide, notamment pour avion embarque sur porte-avions
GB8810538D0 (en) * 1988-05-04 1988-06-08 Dowty Rotol Ltd Hydraulic shock absorber
DE3818811A1 (de) * 1988-06-03 1989-12-14 Stabilus Gmbh Gasfeder mit mehreren hintereinander angeordneten druckraeumen
FR2654992B1 (fr) * 1989-11-28 1992-03-06 Renault Suspension de vehicule.
US5285877A (en) * 1990-09-22 1994-02-15 Boge Aktiengesellschaft Impact damper
SE9101252L (sv) * 1991-04-24 1992-03-30 Stromsholmens Mek Verkstad Gasfjaeder som efter hoptryckning har en foerdroejd aatergaang till ursprunglig laengd
FR2684957B1 (fr) * 1991-12-11 1994-03-04 Eram Dispositif d'ecretage pour amortisseur de train d'atterrissage d'aeronef, et amortisseur comportant un tel dispositif.
FR2687632B1 (fr) * 1992-02-21 1994-04-15 Messier Bugatti Amortisseur de descente de train d'atterrissage d'avion.
US5462141A (en) * 1993-05-07 1995-10-31 Tayco Developments, Inc. Seismic isolator and method for strengthening structures against damage from seismic forces
US5588641A (en) * 1993-11-26 1996-12-31 Stromsholmens Mekaniska Verkstad Ab Gas spring which after compression has a time delayed return to its original length
US6311961B1 (en) * 1996-03-22 2001-11-06 Silvestre Edigio Julia Hydro-pneumatic suspension unit for land-vehicles
US6237333B1 (en) 1998-04-08 2001-05-29 The B. F. Goodrich Company Microgel disersion for hydraulic apparatus and processes
US6068245A (en) * 1998-09-16 2000-05-30 Roper; Ralph Apparatus and method for cushioning the action of draw dies operating in a stamping press and the like
ATE469312T1 (de) * 1998-12-18 2010-06-15 Richard Bugaj Stossdämpfer
US6474598B2 (en) * 2000-05-24 2002-11-05 Cartercopters, L.L.C. Landing gear shock absorber with variable viscosity fluid
DE10136300C1 (de) * 2001-07-25 2003-07-03 Zf Boge Gmbh Pralldämpfer
DE10142709A1 (de) * 2001-08-31 2003-11-20 Maurer Friedrich Soehne Kraftabsorptionsvorrichtung
FR2869016B1 (fr) * 2004-04-19 2007-07-20 Messier Dowty Sa Sa Atterisseur a amortisseur trichambre
US20070045067A1 (en) * 2005-08-26 2007-03-01 Husco International, Inc. Hydraulic circuit with a pilot operated check valve for an active vehicle suspension system
US20070045069A1 (en) * 2005-08-26 2007-03-01 Husco International, Inc. Active vehicle suspension with integrated load leveling
FR2917371B1 (fr) * 2007-06-15 2009-11-20 Messier Dowty Sa Amortisseur pour atterisseur d'aeronef
EP2313312B1 (en) * 2008-07-21 2013-04-17 Goodrich Corporation Shock strut with pressure relief
WO2010054166A2 (en) * 2008-11-06 2010-05-14 Furrer Fredrick J Adjustable monotube shock absorber
AU2011200411A1 (en) * 2010-10-15 2012-05-03 Y.S.S. (Thailand) Co., Ltd. A shock absorber using air pressure
EP2481945B1 (de) * 2011-01-27 2012-12-26 HEMSCHEIDT FAHRWERKTECHNIK GmbH & Co. KG Federungseinrichtung für Fahrzeuge
US8991841B2 (en) * 2012-09-04 2015-03-31 Msi Defense Solutions, Llc Air spring, air strut and air suspension system with a linearized spring rate
US9193242B2 (en) * 2013-09-01 2015-11-24 Saber Sohrabi Air shock absorber with smart suspension system with height adjustment without losing comfort and safety
USD811281S1 (en) 2015-12-21 2018-02-27 Y.S.S. (Thailand) Co., Ltd. Shock absorber
DE102020113867A1 (de) 2019-12-12 2021-06-17 Ford Global Technologies Llc Aufhängungssystem für ein Fahrzeug
CN117874908B (zh) * 2023-12-15 2024-08-02 湖南山河华宇航空科技有限公司 弹性体减震器的工程设计方法和装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3124368A (en) * 1964-03-10 Electronic controlled vehicle suspension system
FR2154882A5 (en, 2012) * 1971-09-28 1973-05-18 Messier Fa
FR2386427A1 (fr) * 1977-04-09 1978-11-03 Messerschmitt Boelkow Blohm Jambe elastique, en particulier pour trains d'atterrissage d'avions

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2196089A (en) * 1933-11-02 1940-04-02 Cleveland Pneumatic Tool Co Resilient strut
US2769632A (en) * 1952-08-13 1956-11-06 Bourcier Christian Marie Louis Damped pneumatic spring
GB879455A (en) * 1956-12-21 1961-10-11 Achille Carlo Sampietro Improvements relating to automobile wheel syspension systems
DE1142470B (de) * 1961-11-22 1963-01-17 Boge Gmbh Hydropneumatischer Einrohr-Schwingungsdaempfer mit Trennkoerper
DE1189871B (de) * 1962-12-11 1965-03-25 Fichtel & Sachs Ag Hydropneumatischer Schwingungsdaempfer fuer Kraftfahrzeuge
US3250526A (en) * 1964-12-14 1966-05-10 Caterpillar Tractor Co Vehicle suspension device
US3292919A (en) * 1964-12-21 1966-12-20 Bendix Corp Aircraft shock absorber
US3540683A (en) * 1967-11-07 1970-11-17 Lockheed Aircraft Corp Dual air chambered shock strut
DE2456758C3 (de) * 1973-12-05 1982-03-18 Saab-Scania AB, Linköping Hydraulische Presse
JPS513025A (en, 2012) * 1974-06-25 1976-01-12 Sekisui Chemical Co Ltd
GB1500754A (en) * 1975-03-19 1978-02-08 Automotive Prod Co Ltd Aircraft undercarriages
IT1196653B (it) * 1979-07-26 1988-11-25 Fiat Auto Spa Ammortizzatore oleopneumatico
US4468739A (en) * 1981-11-17 1984-08-28 Woods Lonnie K Computer optimized adaptive suspension system having combined shock absorber/air spring unit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3124368A (en) * 1964-03-10 Electronic controlled vehicle suspension system
FR2154882A5 (en, 2012) * 1971-09-28 1973-05-18 Messier Fa
FR2386427A1 (fr) * 1977-04-09 1978-11-03 Messerschmitt Boelkow Blohm Jambe elastique, en particulier pour trains d'atterrissage d'avions

Also Published As

Publication number Publication date
CA1166657A (fr) 1984-05-01
EP0047209B1 (fr) 1984-04-11
DE3163084D1 (en) 1984-05-17
JPS5754749A (en) 1982-04-01
US4506869A (en) 1985-03-26
FR2497896B1 (en, 2012) 1984-10-26
JPH0237493B2 (en, 2012) 1990-08-24
EP0047209A1 (fr) 1982-03-10

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Legal Events

Date Code Title Description
ST Notification of lapse