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 giroplanoInfo
- 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
Links
- 239000006096 absorbing agent Substances 0.000 title 2
- 230000035939 shock Effects 0.000 title 2
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)
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)
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)
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 |
-
1979
- 1979-07-17 FR FR7918435A patent/FR2461852A1/fr active Granted
-
1980
- 1980-06-26 GB GB8020964A patent/GB2057629A/en not_active Withdrawn
- 1980-07-15 IT IT12600/80A patent/IT1133459B/it active
- 1980-07-17 DE DE19803027124 patent/DE3027124A1/de not_active Withdrawn
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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