IT1133459B - Perfezionamenti agli ammortizzatori ed ammortizzatori idraulici in particolare per carrelli d atterraggio di un giroplano - Google Patents

Perfezionamenti agli ammortizzatori ed ammortizzatori idraulici in particolare per carrelli d atterraggio di un giroplano

Info

Publication number
IT1133459B
IT1133459B IT12600/80A IT1260080A IT1133459B IT 1133459 B IT1133459 B IT 1133459B IT 12600/80 A IT12600/80 A IT 12600/80A IT 1260080 A IT1260080 A IT 1260080A IT 1133459 B IT1133459 B IT 1133459B
Authority
IT
Italy
Prior art keywords
shock absorbers
trolleys
landing
hydraulic
hydraulic shock
Prior art date
Application number
IT12600/80A
Other languages
English (en)
Other versions
IT8012600A0 (it
Inventor
Jean Masclet
Andre Turiot
Original Assignee
Messier Hispano Bugatti 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 Hispano Bugatti Sa filed Critical Messier Hispano Bugatti Sa
Publication of IT8012600A0 publication Critical patent/IT8012600A0/it
Application granted granted Critical
Publication of IT1133459B publication Critical patent/IT1133459B/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
    • F16F9/32—Details
    • F16F9/48—Arrangements for providing different damping effects at different parts of the stroke
    • F16F9/486—Arrangements for providing different damping effects at different parts of the stroke comprising a pin or stem co-operating with an aperture, e.g. a cylinder-mounted stem co-operating with a hollow piston rod

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Fluid-Damping Devices (AREA)
IT12600/80A 1979-07-17 1980-07-15 Perfezionamenti agli ammortizzatori ed ammortizzatori idraulici in particolare per carrelli d atterraggio di un giroplano IT1133459B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7918435A FR2461852A1 (fr) 1979-07-17 1979-07-17 Perfectionnements aux amortisseurs et amortisseurs-verins notamment pour trains d'atterrissage d'aerodyne

Publications (2)

Publication Number Publication Date
IT8012600A0 IT8012600A0 (it) 1980-07-15
IT1133459B true IT1133459B (it) 1986-07-09

Family

ID=9227955

Family Applications (1)

Application Number Title Priority Date Filing Date
IT12600/80A IT1133459B (it) 1979-07-17 1980-07-15 Perfezionamenti agli ammortizzatori ed ammortizzatori idraulici in particolare per carrelli d atterraggio di un giroplano

Country Status (4)

Country Link
DE (1) DE3027124A1 (it)
FR (1) FR2461852A1 (it)
GB (1) GB2057629A (it)
IT (1) IT1133459B (it)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2601097B1 (fr) * 1986-07-07 1990-07-06 Messier Hispano Bugatti Sa Amortisseur a adaptation de course residuelle
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
EP0425876A3 (en) * 1989-10-28 1991-09-11 Hermann Hemscheidt Maschinenfabrik Gmbh & Co. Hydropneumatic piston accumulator
DE59006499D1 (de) * 1989-10-28 1994-08-25 Hemscheidt Fahrwerktech Gmbh Hydropneumatisches Federungssystem.
EP0461981A3 (en) * 1990-06-13 1993-08-04 Messier Bugatti Spring-damper unit with variable stroke for a vehicle
FR2683878B1 (fr) * 1991-11-14 1993-12-31 Roudaut Philippe Butee a position reglable a distance.
DE10243332B4 (de) * 2002-09-18 2005-03-10 Liebherr Aerospace Gmbh Stoßdämpfer
FR2849830B1 (fr) * 2003-01-10 2005-12-16 Messier Dowty Sa Amortisseur de jambe de train d'atterrissage, et train d'atterrissage a jambes independantes equipees d'un tel amortisseur
DE102004016341B3 (de) * 2004-04-02 2005-12-01 Liebherr-Aerospace Lindenberg Gmbh Hydropneumatischer Stoßdämpfer
US8151953B2 (en) 2004-04-08 2012-04-10 Samsung Electronics Co., Ltd. Suspension and damping device for motor vehicles
FR2869016B1 (fr) * 2004-04-19 2007-07-20 Messier Dowty Sa Sa Atterisseur a amortisseur trichambre
DE202005011439U1 (de) 2005-07-18 2006-11-23 Hemscheidt Fahrwerktechnik Gmbh & Co. Kg Federungseinrichtung für Kraftfahrzeuge
FR2908485B1 (fr) * 2006-11-13 2012-06-15 Messier Dowty Sa Amortisseur compact pour atterrisseur d'aeronef, et atterrisseur comportant un tel amortisseur
WO2010011635A2 (en) * 2008-07-21 2010-01-28 Goodrich Corporation Shock strut with pressure relief
CN103466085B (zh) * 2013-07-24 2015-12-23 宁波大学 一种保持高空坠物平衡的自适应液压多触角调节器
EP3248869B1 (en) * 2016-05-25 2018-09-12 AIRBUS HELICOPTERS DEUTSCHLAND GmbH Retraction / extension of a landing gear in an aircraft
US10562614B2 (en) 2016-09-21 2020-02-18 The Boeing Company Aircraft landing gear, aircraft, and related methods
US10669017B2 (en) 2017-02-28 2020-06-02 The Boeing Company Aircraft landing gear, aircraft, and related methods
US10597146B2 (en) 2017-02-28 2020-03-24 The Boeing Company Aircraft landing gear having a lever assembly, aircraft including the same, and related methods
US10766608B2 (en) 2017-02-28 2020-09-08 The Boeing Company Aircraft landing gear having a retract actuator, aircraft including the same, and related methods
EP3486167B1 (en) * 2017-11-16 2021-09-29 Safran Landing Systems UK Ltd Centre biased actuator
US11130564B2 (en) * 2017-12-21 2021-09-28 Goodrich Corporation Strut shrink using accumulator as energy source
US10612617B2 (en) * 2018-01-02 2020-04-07 Goodrich Corporation Shock strut percolation

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2735674A (en) * 1956-02-21 Shock absorbing strut
US1990033A (en) * 1930-10-31 1935-02-05 Bendix Res Corp Oleo gear
FR819164A (fr) * 1936-06-16 1937-10-12 Perfectionnements aux amortisseurs oléo-pneumatiques pour avions
FR866370A (fr) * 1940-04-02 1941-08-04 Atterrisseur oléo-pneumatique repliable
FR921094A (fr) * 1945-10-25 1947-04-25 Amortisseur de chocs rétractable
US2959410A (en) * 1958-10-27 1960-11-08 Jarry Hydraulics Double stage oleo-pneumatic shock absorber
US3077345A (en) * 1960-03-29 1963-02-12 Svenska Aeroplan Ab Air-oil shock absorber especially adapted for ground vehicles
US3292919A (en) * 1964-12-21 1966-12-20 Bendix Corp Aircraft shock absorber
US3533613A (en) * 1967-11-02 1970-10-13 Lockheed Aircraft Corp Axially retractable landing gear
US3578303A (en) * 1969-04-02 1971-05-11 Abex Ind Canada Ltd Oleo-pneumatic shock absorbers
DE2609247A1 (de) * 1975-06-13 1976-12-30 Menasco Mfg Co Zweistufiger stossdaempfer
FR2370196A2 (fr) * 1976-02-04 1978-06-02 Messier Hispano Sa Perfectionnements aux amortisseurs-verins
FR2340482A1 (fr) * 1976-02-04 1977-09-02 Messier Hispano Sa Perfectionnements aux amortisseurs-verins
FR2411341A1 (fr) * 1977-12-12 1979-07-06 Messier Hispano Sa Suspension oleopneumatique a orifices de laminage variables, notamment pour trains d'atterrissage d'aerodynes

Also Published As

Publication number Publication date
IT8012600A0 (it) 1980-07-15
FR2461852A1 (fr) 1981-02-06
DE3027124A1 (de) 1981-02-12
FR2461852B1 (it) 1984-10-26
GB2057629A (en) 1981-04-01

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