IT1079171B - Perfezionamenti agli ammortizzatori-martinetti - Google Patents

Perfezionamenti agli ammortizzatori-martinetti

Info

Publication number
IT1079171B
IT1079171B IT19663/77A IT1966377A IT1079171B IT 1079171 B IT1079171 B IT 1079171B IT 19663/77 A IT19663/77 A IT 19663/77A IT 1966377 A IT1966377 A IT 1966377A IT 1079171 B IT1079171 B IT 1079171B
Authority
IT
Italy
Prior art keywords
jacks
shock absorbers
absorbers
shock
Prior art date
Application number
IT19663/77A
Other languages
English (en)
Original Assignee
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
Priority claimed from FR7603126A external-priority patent/FR2340482A1/fr
Application filed by Messier Hispano Sa filed Critical Messier Hispano Sa
Application granted granted Critical
Publication of IT1079171B publication Critical patent/IT1079171B/it

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
    • 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
    • F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C25/00—Alighting gear
    • B64C25/001—Devices not provided for in the groups B64C25/02 - B64C25/68
    • B64C2025/008—Comprising means for modifying their length, e.g. for kneeling, for jumping, or for leveling the aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Fluid-Damping Devices (AREA)
IT19663/77A 1976-02-04 1977-01-26 Perfezionamenti agli ammortizzatori-martinetti IT1079171B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7603126A FR2340482A1 (fr) 1976-02-04 1976-02-04 Perfectionnements aux amortisseurs-verins
FR7633261A FR2370196A2 (fr) 1976-02-04 1976-11-04 Perfectionnements aux amortisseurs-verins

Publications (1)

Publication Number Publication Date
IT1079171B true IT1079171B (it) 1985-05-08

Family

ID=26219284

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19663/77A IT1079171B (it) 1976-02-04 1977-01-26 Perfezionamenti agli ammortizzatori-martinetti

Country Status (5)

Country Link
US (1) US4088286A (it)
DE (1) DE2703716C2 (it)
FR (1) FR2370196A2 (it)
GB (1) GB1563273A (it)
IT (1) IT1079171B (it)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2472699B1 (fr) * 1979-01-18 1985-10-18 Messier Hispano Sa Perfectionnements aux amortisseurs-verins
FR2448662A1 (fr) * 1979-02-06 1980-09-05 Messier Hispano Bugatti Sa Perfectionnements aux amortisseurs et amortisseur-verins notamment pour trains d'atterrissage d'aerodyne
FR2461852A1 (fr) * 1979-07-17 1981-02-06 Messier Hispano Sa Perfectionnements aux amortisseurs et amortisseurs-verins notamment pour trains d'atterrissage d'aerodyne
FR2493444A1 (fr) * 1980-10-30 1982-05-07 Messier Hispano Sa Amortisseur-verin
US4381857A (en) * 1980-12-08 1983-05-03 Lockheed Corporation Programmed oleo-pneumatic shock absorber
FR2530763B1 (fr) * 1982-07-22 1987-01-23 Messier Hispano Sa Amortisseur retractable
FR2538468A1 (fr) * 1982-12-22 1984-06-29 Petroles Cie Francaise Verin-amortisseur hydraulique notamment pour equipement sous-marin
US4674638A (en) * 1983-03-17 1987-06-23 Kobe Steel Ltd. Control for deflection reduction means
GB2140362B (en) * 1983-03-17 1986-09-24 Harnischfeger Corp Mobile crane having oscillatory deflection reducing means
US4573592A (en) * 1983-03-17 1986-03-04 Harnischfeger Corporation Means to reduce oscillatory deflection of vehicle
US4658970A (en) * 1985-11-15 1987-04-21 Kobe Steel Ltd. Deflection reduction module for boom hoist cylinder of mobile crane
FR2608242B1 (fr) * 1986-12-12 1989-03-31 Aerospatiale Amortisseur-verin, contre-fiche le comportant, et train d'atterrissage equipe d'une telle contre-fiche
IL86374A0 (en) * 1988-05-13 1988-11-30 Israel Aircraft Ind Ltd Aircraft landing gear shortening apparatus
FR2638828B1 (fr) * 1988-11-04 1991-02-08 Cybernetix Dispositif amortisseur anti-recul escamotable
DE3910119C2 (de) * 1989-03-29 1994-03-24 Hemscheidt Maschf Hermann Hydropneumatisches Federungssystem
FR2647170B1 (fr) * 1989-05-18 1991-08-30 Aerospatiale Dispositif de reduction de la souplesse d'un amortisseur oleo-pneumatique d'atterrisseur, et amortisseur et atterrisseur le comportant
EP0461981A3 (en) * 1990-06-13 1993-08-04 Messier Bugatti Spring-damper unit with variable stroke for a vehicle
FR2687123B1 (fr) * 1992-02-11 1994-04-08 Eram Train d'atterrissage relevable d'aeronef, notamment pour helicoptere.
US5944283A (en) * 1997-12-05 1999-08-31 Cartercopters, Llc Crashworthy landing gear shock
US7578465B2 (en) * 2004-01-20 2009-08-25 Lord Corporation Aircraft front nose landing gear and method of making an aircraft landing gear
US7571876B2 (en) * 2004-01-20 2009-08-11 Lord Corporation Aircraft landing gear assembly shimmy damper
FR2867451B1 (fr) * 2004-03-12 2007-04-20 Messier Dowty Sa Atterisseur a reservoir de gaz et procedes de maintenance d'un tel atterisseur
FR2869016B1 (fr) * 2004-04-19 2007-07-20 Messier Dowty Sa Sa Atterisseur a amortisseur trichambre
US7621481B2 (en) * 2004-09-03 2009-11-24 Lockheed-Martin Corporation Decoupled steering/planing air vehicle nose landing gear
FR2892700B1 (fr) * 2005-10-27 2009-04-24 Messier Dowty Sa Sa Amortisseur d'atterrisseur a retenue positive en position retractee et surcourse de crash
FR2917371B1 (fr) * 2007-06-15 2009-11-20 Messier Dowty Sa Amortisseur pour atterisseur d'aeronef
FR2957646B1 (fr) 2010-03-16 2012-08-10 Ratier Figeac Soc Dispositif d'amortissement en fin de course du deplacement d'un corps
US9481452B2 (en) * 2010-11-22 2016-11-01 The Boeing Company Hydraulic actuator for semi levered landing gear
CN102060106A (zh) * 2010-12-21 2011-05-18 南京航空航天大学 一种行星探测器的缓冲着陆腿
US8939400B2 (en) 2011-02-21 2015-01-27 The Boeing Company Air-ground detection system for semi-levered landing gear
CN102120498A (zh) * 2011-02-24 2011-07-13 哈尔滨工业大学 一种电磁阻尼缓冲器
US8998133B2 (en) 2011-04-01 2015-04-07 The Boeing Company Landing gear system
CN102198866B (zh) * 2011-04-22 2013-10-02 南京航空航天大学 伸缩式行星探测器着陆腿展开机构
US20140291085A1 (en) * 2013-03-30 2014-10-02 Ronald Scott Bandy Segmented Air Shock
US20160122008A1 (en) * 2014-11-03 2016-05-05 Borealis Technical Limited Roller Traction Drive System for an Aircraft Drive Wheel Drive System
US10486802B2 (en) * 2016-09-19 2019-11-26 Goodrich Corporation Landing gear arrangement with passive shock strut shrink actuator
US10562614B2 (en) * 2016-09-21 2020-02-18 The Boeing Company Aircraft landing gear, aircraft, and related methods
DE102017104250B3 (de) * 2017-03-01 2018-05-30 Lisa Dräxlmaier GmbH Rotationsdämpfer mit konstantem Reibungskoeffizient
CN111114842B (zh) * 2018-10-30 2022-07-22 哈尔滨工业大学 一种电磁和弹性阻尼复合吸能的折叠小行星表面着陆装置
FR3102522B1 (fr) * 2019-10-29 2021-11-12 Safran Landing Systems Porte-diaphragme pour amortisseur de type oléopneumatique
CN112196932B (zh) * 2020-09-25 2022-04-22 中国直升机设计研究所 一种缓冲器用节流阀
US11211896B1 (en) * 2021-01-14 2021-12-28 FTC Solar, Inc. Systems for damping a solar photovoltaic array tracker
US11695370B2 (en) 2021-07-27 2023-07-04 FTC Solar, Inc. Locking assembly for a solar photovoltaic array tracker
GB2614877B (en) * 2022-01-13 2024-01-31 Safran Landing Systems Uk Ltd Aircraft landing gear shock absorber strut
US20230392701A1 (en) * 2022-06-03 2023-12-07 Safran Landing Systems Canada Inc. Fuse pin valve

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR803805A (fr) * 1935-03-28 1936-10-09 Elektronmetall Gmbh Entretoise de longueur variable pour avions
US2294918A (en) * 1938-07-26 1942-09-08 Siam Retractable undercarriage for airplanes and the like
US2554581A (en) * 1941-07-31 1951-05-29 Siam Shock absorber with retractable stroke for airplanes
BE468925A (it) * 1944-05-03
US2698751A (en) * 1950-04-03 1955-01-04 Cleveland Pneumatic Tool Co Device for maintaining constant static position for landing gears
US2892626A (en) * 1955-08-17 1959-06-30 Cleveland Pneumatic Ind Inc Landing gear construction
FR1161122A (fr) * 1955-10-18 1958-08-21 Cleveland Pneumatic Tool Co Train d'atterrissage
US2942809A (en) * 1955-11-10 1960-06-28 British Messier Ltd Aircraft undercarriage leg
US3140084A (en) * 1960-12-27 1964-07-07 Lockheed Aircraft Corp Shock strut
GB1013821A (en) * 1961-07-05 1965-12-22 Dowty Rotol Ltd Improvements relating to aircraft landing gear
US3156257A (en) * 1961-11-20 1964-11-10 Hough Co Frank Flow control valve
GB1081018A (en) * 1964-11-27 1967-08-31 Electro Hydraulics Ltd Hydro-pneumatic shock absorbers
US3292919A (en) * 1964-12-21 1966-12-20 Bendix Corp Aircraft shock absorber
US3290038A (en) * 1965-01-14 1966-12-06 Bendix Corp Extensible shock absorber
US3426651A (en) * 1966-07-26 1969-02-11 Pneumo Dynamics Corp Air-oil suspension

Also Published As

Publication number Publication date
GB1563273A (en) 1980-03-26
FR2370196A2 (fr) 1978-06-02
DE2703716A1 (de) 1977-08-11
DE2703716C2 (de) 1982-08-26
US4088286A (en) 1978-05-09
FR2370196B2 (it) 1983-01-07

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