FR2270144A1 - - Google Patents
Info
- Publication number
- FR2270144A1 FR2270144A1 FR7416012A FR7416012A FR2270144A1 FR 2270144 A1 FR2270144 A1 FR 2270144A1 FR 7416012 A FR7416012 A FR 7416012A FR 7416012 A FR7416012 A FR 7416012A FR 2270144 A1 FR2270144 A1 FR 2270144A1
- Authority
- FR
- France
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/001—Vibration damping devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/001—Vibration damping devices
- B64C2027/002—Vibration damping devices mounted between the rotor drive and the fuselage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/001—Vibration damping devices
- B64C2027/005—Vibration damping devices using suspended masses
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Prevention Devices (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7416012A FR2270144B1 (fr) | 1974-05-09 | 1974-05-09 | |
US05/571,863 US4014484A (en) | 1974-05-09 | 1975-04-25 | Vibration attenuating suspension system for rotary-wing aircraft rotors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7416012A FR2270144B1 (fr) | 1974-05-09 | 1974-05-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2270144A1 true FR2270144A1 (fr) | 1975-12-05 |
FR2270144B1 FR2270144B1 (fr) | 1976-10-15 |
Family
ID=9138621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7416012A Expired FR2270144B1 (fr) | 1974-05-09 | 1974-05-09 |
Country Status (2)
Country | Link |
---|---|
US (1) | US4014484A (fr) |
FR (1) | FR2270144B1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2373443A1 (fr) * | 1976-12-09 | 1978-07-07 | United Technologies Corp | Rotor d'helicoptere, monture de transmission et systeme d'isolation contre les vibrations |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2018942B (en) * | 1978-03-20 | 1982-06-03 | Aerospatiale | Multi-directional suspension means |
US4430045A (en) | 1979-04-24 | 1984-02-07 | Bell Helicopter Textron, Inc. | Helicopter power train for distributing rotor blade flapping displacements through a plurality of drive train components |
FR2728539A1 (fr) * | 1994-12-23 | 1996-06-28 | Eurocopter France | Dispositif de suspension anti-vibratoire bidirectionnelle pour rotor d'helicoptere |
ATE551258T1 (de) * | 2008-10-21 | 2012-04-15 | Agustawestland Spa | Hubschrauber |
FR2954273B1 (fr) * | 2009-12-17 | 2012-02-24 | Eurocopter France | Structure porteuse d'un rotor, et appareil volant muni d'une telle structure porteuse |
WO2015030873A1 (fr) * | 2013-08-28 | 2015-03-05 | Sikorsky Aircraft Corporation | Ensemble de repliage de pale manuel non chargé |
EP2962935B1 (fr) | 2014-07-04 | 2016-09-21 | AGUSTAWESTLAND S.p.A. | Hélicoptère avec monture de transmission pour l'amortissement du bruit et des vibrations |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2615657A (en) * | 1946-08-28 | 1952-10-28 | Bell Aircraft Corp | Helicopter engine-rotor support |
US3078969A (en) * | 1959-06-15 | 1963-02-26 | Lord Mfg Co | Damped beam |
US3118504A (en) * | 1961-02-13 | 1964-01-21 | Bell Aerospace Corp | Method for control of rotary wing aircraft |
US3276762A (en) * | 1964-10-28 | 1966-10-04 | Edward V Thomas | Omnidirectional damped support member |
FR1507306A (fr) * | 1966-11-17 | 1967-12-29 | Sud Aviation | Dispositif de liaison filtrant les vibrations entre un organe vibrant et un support,notamment un rotor et une structure d'hélicoptère |
US3858831A (en) * | 1973-12-26 | 1975-01-07 | Textron Inc | Nodal beam inertial flexure |
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1974
- 1974-05-09 FR FR7416012A patent/FR2270144B1/fr not_active Expired
-
1975
- 1975-04-25 US US05/571,863 patent/US4014484A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2373443A1 (fr) * | 1976-12-09 | 1978-07-07 | United Technologies Corp | Rotor d'helicoptere, monture de transmission et systeme d'isolation contre les vibrations |
Also Published As
Publication number | Publication date |
---|---|
US4014484A (en) | 1977-03-29 |
FR2270144B1 (fr) | 1976-10-15 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |