FR2232481B1 - - Google Patents
Info
- Publication number
- FR2232481B1 FR2232481B1 FR7320960A FR7320960A FR2232481B1 FR 2232481 B1 FR2232481 B1 FR 2232481B1 FR 7320960 A FR7320960 A FR 7320960A FR 7320960 A FR7320960 A FR 7320960A FR 2232481 B1 FR2232481 B1 FR 2232481B1
- 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.)
- Expired
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)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7320960A FR2232481B1 (US06534493-20030318-C00184.png) | 1973-06-08 | 1973-06-08 | |
| GB2272474A GB1457788A (en) | 1973-06-08 | 1974-05-21 | Assembly for connecting a rotor to a helicopter |
| DE2425791A DE2425791C3 (de) | 1973-06-08 | 1974-05-28 | Rotoraufhängung für ein Drehflügelflugzeug |
| US474340A US3921940A (en) | 1973-06-08 | 1974-05-29 | Assembly for connecting a rotor to a helicopter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7320960A FR2232481B1 (US06534493-20030318-C00184.png) | 1973-06-08 | 1973-06-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2232481A1 FR2232481A1 (US06534493-20030318-C00184.png) | 1975-01-03 |
| FR2232481B1 true FR2232481B1 (US06534493-20030318-C00184.png) | 1976-05-07 |
Family
ID=9120707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7320960A Expired FR2232481B1 (US06534493-20030318-C00184.png) | 1973-06-08 | 1973-06-08 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3921940A (US06534493-20030318-C00184.png) |
| DE (1) | DE2425791C3 (US06534493-20030318-C00184.png) |
| FR (1) | FR2232481B1 (US06534493-20030318-C00184.png) |
| GB (1) | GB1457788A (US06534493-20030318-C00184.png) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4111386A (en) * | 1976-12-09 | 1978-09-05 | United Technologies Corporation | Helicopter rotor and transmission mounting and vibration isolation system |
| US4140028A (en) * | 1977-09-13 | 1979-02-20 | The Boeing Company | Vibration isolation system |
| GB2018942B (en) * | 1978-03-20 | 1982-06-03 | Aerospatiale | Multi-directional suspension means |
| DE3006762A1 (de) * | 1979-02-26 | 1980-09-11 | Textron Inc | Aufhaengung fuer ein hubschrauber- rotorgetriebe |
| 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 |
| US4372431A (en) * | 1979-11-05 | 1983-02-08 | The Boeing Company | Six axis vibration isolation system |
| FR2474996A1 (fr) * | 1980-02-05 | 1981-08-07 | Aerospatiale | Dispositif de suspension antiresonnante pour helicoptere |
| US4403681A (en) * | 1980-09-30 | 1983-09-13 | The Boeing Company | Three directional vibration isolator |
| FR2499505A1 (fr) * | 1981-02-09 | 1982-08-13 | Aerospatiale | Dispositif simplifie de suspension antiresonnante pour helicoptere |
| FR2503663A1 (fr) * | 1981-04-10 | 1982-10-15 | Aerospatiale | Dispositif de suspension antivibratoire pour helicoptere |
| AT396453B (de) * | 1984-06-04 | 1993-09-27 | Pichler Hubert | Drehflügelfluggerät |
| FR2669982B1 (fr) * | 1990-11-30 | 1993-02-19 | Aerospatiale | Dispositif de suspension anti-resonnante pour helicoptere. |
| FR2728538A1 (fr) * | 1994-12-23 | 1996-06-28 | Eurocopter France | Dispositif de suspension anti-vibratoire de rotor d'helicoptere |
| US6364249B1 (en) * | 1999-09-30 | 2002-04-02 | Pratt & Whitney Canada Corp. | Engine integrated with rotary wing aircraft transmission |
| US6725734B1 (en) * | 2001-07-25 | 2004-04-27 | The Furukawa Electric Co., Ltd. | Rotation sensor |
| FR2829546B1 (fr) | 2001-09-11 | 2004-02-20 | Eurocopter France | Barre de liaison a absorption d'energie, et son application comme barre de suspension de boite de transmission pour giravion |
| ITTO20070442A1 (it) * | 2007-06-20 | 2008-12-21 | Santino Pancotti | Rotore per un elicottero comprendente un dispositivo di smorzamento delle vibrazioni e relativo metodo di riqualificazione |
| 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 |
| US8347637B2 (en) | 2010-05-25 | 2013-01-08 | United Technologies Corporation | Accessory gearbox with internal layshaft |
| US9254914B2 (en) * | 2013-11-21 | 2016-02-09 | Bell Helicopter Textron Inc. | Helicopter transmission mount system |
| FR3017566B1 (fr) | 2014-02-19 | 2016-02-26 | Airbus Helicopters | Aeronef et installation motrice d'aeronef munie d'un dispositif de liaison pour lier une boite de transmission de puissance et un moteur |
| CN106516136A (zh) * | 2016-11-29 | 2017-03-22 | 中国直升机设计研究所 | 一种无人直升机桨叶固定组件 |
| EP3599162B1 (en) * | 2018-07-27 | 2020-11-11 | LEONARDO S.p.A. | Helicopter kit |
| US11203418B2 (en) * | 2019-06-21 | 2021-12-21 | Textron Innovations Inc. | Mount systems for pylon assemblies with coaxial rotors |
| CN113086237B (zh) * | 2021-04-20 | 2023-03-14 | 中国直升机设计研究所 | 一种共轴旋翼直升机主减速器连接撑杆设计方法 |
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 |
| US2739769A (en) * | 1954-10-22 | 1956-03-27 | Bell Aircraft Corp | Rotary wing aircraft propulsion system mounting |
| 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 |
| US3698663A (en) * | 1970-12-07 | 1972-10-17 | Textron Inc | Rotary wing pylon mounting system |
| US3845917A (en) * | 1971-10-18 | 1974-11-05 | Textron Inc | Helicopter vibration isolation |
| BE790113A (fr) * | 1971-10-18 | 1973-04-13 | Textron Inc | Dispositif isolateur a l'egard des vibrations dans un helicoptere |
-
1973
- 1973-06-08 FR FR7320960A patent/FR2232481B1/fr not_active Expired
-
1974
- 1974-05-21 GB GB2272474A patent/GB1457788A/en not_active Expired
- 1974-05-28 DE DE2425791A patent/DE2425791C3/de not_active Expired
- 1974-05-29 US US474340A patent/US3921940A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2232481A1 (US06534493-20030318-C00184.png) | 1975-01-03 |
| DE2425791B2 (de) | 1981-07-09 |
| DE2425791A1 (de) | 1975-01-02 |
| DE2425791C3 (de) | 1982-03-11 |
| US3921940A (en) | 1975-11-25 |
| GB1457788A (en) | 1976-12-08 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CD | Change of name or company name | ||
| ST | Notification of lapse |