CH625173A5 - - Google Patents
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- Publication number
- CH625173A5 CH625173A5 CH1474377A CH1474377A CH625173A5 CH 625173 A5 CH625173 A5 CH 625173A5 CH 1474377 A CH1474377 A CH 1474377A CH 1474377 A CH1474377 A CH 1474377A CH 625173 A5 CH625173 A5 CH 625173A5
- Authority
- CH
- Switzerland
- Prior art keywords
- fuselage
- arrangement
- damping
- helicopter
- oil
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Vibration Prevention Devices (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Vibration Dampers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/747,458 US4142698A (en) | 1976-12-03 | 1976-12-03 | Improved aircraft suspension system with mechanism operable to establish system vertical stiffness and damping and mechanism operationally independent thereof to establish system roll stiffness and damping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH625173A5 true CH625173A5 (da) | 1981-09-15 |
Family
ID=25005143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1474377A CH625173A5 (da) | 1976-12-03 | 1977-12-02 |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US4142698A (da) |
| JP (1) | JPS6047157B2 (da) |
| AU (1) | AU510507B2 (da) |
| BE (1) | BE861445A (da) |
| BR (1) | BR7707993A (da) |
| CA (1) | CA1077454A (da) |
| CH (1) | CH625173A5 (da) |
| DE (1) | DE2753775A1 (da) |
| DK (1) | DK536377A (da) |
| EG (1) | EG14200A (da) |
| FR (1) | FR2372726A1 (da) |
| GB (1) | GB1573688A (da) |
| IL (1) | IL53517A (da) |
| IT (1) | IT1088386B (da) |
| NL (1) | NL186625C (da) |
| NO (1) | NO143736C (da) |
| PL (1) | PL120174B1 (da) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4270711A (en) * | 1979-01-29 | 1981-06-02 | Textron, Inc. | Helicopter landing gear with crosstube pivot |
| FR2874205B1 (fr) * | 2004-08-12 | 2006-09-15 | Eurocopter France | Procede et dispositif de suspension active d'un aeronef a voilure tournante |
| FR2959207B1 (fr) * | 2010-04-26 | 2012-04-20 | Eurocopter France | Systeme a absortion d'energie pour un atterisseur, et aeronef muni dudit systeme a absorption d'energie |
| EP2607232B1 (en) * | 2011-12-21 | 2014-10-29 | AIRBUS HELICOPTERS DEUTSCHLAND GmbH | Landing gear vibration absorber for a helicopter and method of operating said landing gear vibration absorber |
| GB2524762B (en) * | 2014-04-01 | 2020-06-17 | Airbus Operations Ltd | Drive system for aircraft landing gear |
| CA2929760C (en) * | 2015-05-12 | 2022-01-11 | Quanta Associates, L.P. | Hovering aircraft belly bar clasp |
| US10507920B2 (en) * | 2015-05-18 | 2019-12-17 | Sikorsky Aircraft Corp. | Systems and methods for lifting body vibration control |
| FR3069228B1 (fr) | 2017-07-18 | 2020-07-31 | Airbus Helicopters | Giravion muni d'au moins un train d'atterrisage ayant au moins une roue inclinee et procede |
| US11459094B2 (en) * | 2017-09-29 | 2022-10-04 | Georgia Tech Research Corporation | Cable-driven four-bar link leg mechanism |
| CN111959749B (zh) * | 2020-07-16 | 2022-04-19 | 南京航空航天大学 | 具备地形自适应起降和行走能力的直升机四足起落架 |
| CN112977806B (zh) * | 2021-03-04 | 2022-04-22 | 南京航空航天大学 | 一种自适应行走起落架及其控制方法 |
| US11987346B1 (en) * | 2022-12-27 | 2024-05-21 | Wing Aviation Llc | UAV landing gear with shared suspension |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB441432A (en) * | 1935-01-21 | 1936-01-20 | G & J Weir Ltd | Improvements in or relating to undercarriages for aircraft |
| US2139192A (en) * | 1935-01-28 | 1938-12-06 | Krekel Paul | Aircraft undercarriage |
| US2326210A (en) * | 1941-03-14 | 1943-08-10 | Kellett Autogiro Corp | Aircraft landing gear |
| GB745915A (en) * | 1953-02-09 | 1956-03-07 | British Messier Ltd | Improvements in or relating to shock absorbers for aircraft |
| US2933270A (en) * | 1954-06-04 | 1960-04-19 | Menasco Mfg Company | Landing gear for helicopters |
| US2933271A (en) * | 1954-07-09 | 1960-04-19 | Menasco Mfg Company | Landing gear for helicopters |
| US2774553A (en) * | 1955-04-04 | 1956-12-18 | United Aircraft Corp | Damper by-pass for lag-lead control of helicopter rotor blades |
| US3042345A (en) * | 1957-08-05 | 1962-07-03 | Jr Raymond Prunty Holland | Control-augmenting landing gear |
| US3173632A (en) * | 1962-07-30 | 1965-03-16 | Del Mar Eng Lab | Landing gear for hovering type aircraft |
| US3807668A (en) * | 1971-02-04 | 1974-04-30 | Us Federal Aviation Admin | Anti-roll hydraulic analog damping device |
-
1976
- 1976-12-03 US US05/747,458 patent/US4142698A/en not_active Expired - Lifetime
-
1977
- 1977-12-01 BR BR7707993A patent/BR7707993A/pt unknown
- 1977-12-02 IL IL53517A patent/IL53517A/xx unknown
- 1977-12-02 CA CA292,295A patent/CA1077454A/en not_active Expired
- 1977-12-02 NL NLAANVRAGE7713354,A patent/NL186625C/xx not_active IP Right Cessation
- 1977-12-02 DE DE19772753775 patent/DE2753775A1/de active Granted
- 1977-12-02 IT IT30313/77A patent/IT1088386B/it active
- 1977-12-02 PL PL1977202598A patent/PL120174B1/pl unknown
- 1977-12-02 NO NO774119A patent/NO143736C/no unknown
- 1977-12-02 DK DK536377A patent/DK536377A/da not_active Application Discontinuation
- 1977-12-02 GB GB50418/77A patent/GB1573688A/en not_active Expired
- 1977-12-02 JP JP52145602A patent/JPS6047157B2/ja not_active Expired
- 1977-12-02 AU AU31165/77A patent/AU510507B2/en not_active Expired
- 1977-12-02 BE BE183124A patent/BE861445A/xx not_active IP Right Cessation
- 1977-12-02 CH CH1474377A patent/CH625173A5/de not_active IP Right Cessation
- 1977-12-03 EG EG669/77A patent/EG14200A/xx active
- 1977-12-05 FR FR7736567A patent/FR2372726A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| NL186625B (nl) | 1990-08-16 |
| AU510507B2 (en) | 1980-06-26 |
| PL120174B1 (en) | 1982-02-27 |
| DE2753775A1 (de) | 1978-06-08 |
| PL202598A1 (pl) | 1978-07-31 |
| BE861445A (fr) | 1978-03-31 |
| CA1077454A (en) | 1980-05-13 |
| JPS5373799A (en) | 1978-06-30 |
| DK536377A (da) | 1978-06-04 |
| FR2372726A1 (fr) | 1978-06-30 |
| NL186625C (nl) | 1991-01-16 |
| DE2753775C2 (da) | 1988-02-04 |
| BR7707993A (pt) | 1978-08-15 |
| IT1088386B (it) | 1985-06-10 |
| NL7713354A (nl) | 1978-06-06 |
| JPS6047157B2 (ja) | 1985-10-19 |
| NO774119L (no) | 1978-06-06 |
| FR2372726B1 (da) | 1983-03-25 |
| NO143736C (no) | 1981-04-08 |
| IL53517A (en) | 1980-05-30 |
| EG14200A (en) | 1983-09-30 |
| AU3116577A (en) | 1979-06-07 |
| US4142698A (en) | 1979-03-06 |
| GB1573688A (en) | 1980-08-28 |
| NO143736B (no) | 1980-12-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |