FR2472699B1 - Perfectionnements aux amortisseurs-verins - Google Patents

Perfectionnements aux amortisseurs-verins

Info

Publication number
FR2472699B1
FR2472699B1 FR7901292A FR7901292A FR2472699B1 FR 2472699 B1 FR2472699 B1 FR 2472699B1 FR 7901292 A FR7901292 A FR 7901292A FR 7901292 A FR7901292 A FR 7901292A FR 2472699 B1 FR2472699 B1 FR 2472699B1
Authority
FR
France
Prior art keywords
shock absorbers
cylinder shock
cylinder
absorbers
shock
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
FR7901292A
Other languages
English (en)
Other versions
FR2472699A1 (fr
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 FR7901292A priority Critical patent/FR2472699B1/fr
Priority to GB8000968A priority patent/GB2040391B/en
Priority to DE19803001169 priority patent/DE3001169A1/de
Priority to IT19236/80A priority patent/IT1129524B/it
Publication of FR2472699A1 publication Critical patent/FR2472699A1/fr
Application granted granted Critical
Publication of FR2472699B1 publication Critical patent/FR2472699B1/fr
Expired 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
    • 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
    • F16F9/512—Means responsive to load action, i.e. static load on the damper or dynamic fluid pressure changes in the damper, e.g. due to changes in velocity

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Damping Devices (AREA)
FR7901292A 1979-01-18 1979-01-18 Perfectionnements aux amortisseurs-verins Expired FR2472699B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7901292A FR2472699B1 (fr) 1979-01-18 1979-01-18 Perfectionnements aux amortisseurs-verins
GB8000968A GB2040391B (en) 1979-01-18 1980-01-11 Valving in aircraft undercarriage shock absorbers
DE19803001169 DE3001169A1 (de) 1979-01-18 1980-01-15 Stossdaempfer-zylinderanordnung
IT19236/80A IT1129524B (it) 1979-01-18 1980-01-16 Perfezionamenti apportati agli ammortizzatori-martinetti

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7901292A FR2472699B1 (fr) 1979-01-18 1979-01-18 Perfectionnements aux amortisseurs-verins

Publications (2)

Publication Number Publication Date
FR2472699A1 FR2472699A1 (fr) 1981-07-03
FR2472699B1 true FR2472699B1 (fr) 1985-10-18

Family

ID=9220936

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7901292A Expired FR2472699B1 (fr) 1979-01-18 1979-01-18 Perfectionnements aux amortisseurs-verins

Country Status (4)

Country Link
DE (1) DE3001169A1 (fr)
FR (1) FR2472699B1 (fr)
GB (1) GB2040391B (fr)
IT (1) IT1129524B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4597548A (en) * 1983-06-17 1986-07-01 Hr Textron Inc. Shock absorbing struts for aircraft landing gear
CN101949398A (zh) * 2010-09-13 2011-01-19 三一重工股份有限公司 单作用液压油缸及具有该油缸的摊铺机

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR977624A (fr) * 1942-09-01 1951-04-03 Cie Gen Equip Aeronautique Amortisseur pour train d'atterrissage d'avion
FR982548A (fr) * 1943-07-13 1951-06-12 Olaer Patent Co Jambe d'atterriseur pour avion
US2767978A (en) * 1954-05-14 1956-10-23 Boeing Co Oleo snubbers
FR1242903A (fr) * 1959-08-04 1960-10-07 Rech Etudes Production Sarl Système de laminage de fluide pour amortisseurs
US3458016A (en) * 1967-11-27 1969-07-29 Menasco Mfg Co Selective damping device
US3696894A (en) * 1971-07-02 1972-10-10 Us Navy Acceleration sensitive shock absorber valve
US3750856A (en) * 1971-12-09 1973-08-07 G Kenworthy Adjustable, pressure compensating shock absorber/buffer
FR2338421A1 (fr) * 1976-01-15 1977-08-12 Messier Hispano Sa Perfectionnements aux amortisseurs oleopneumatiques
FR2370196A2 (fr) * 1976-02-04 1978-06-02 Messier Hispano Sa Perfectionnements aux amortisseurs-verins
US4126212A (en) * 1976-09-03 1978-11-21 The Boeing Co. Crash load attenuating valve for an aircraft landing gear shock strut

Also Published As

Publication number Publication date
GB2040391B (en) 1983-07-20
GB2040391A (en) 1980-08-28
IT8019236A0 (it) 1980-01-16
FR2472699A1 (fr) 1981-07-03
DE3001169A1 (de) 1980-10-30
IT1129524B (it) 1986-06-04

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Legal Events

Date Code Title Description
ST Notification of lapse