FR2354922A1 - Perfectionnements apportes a un dispositif d'entrainement des rotors d'un helicoptere - Google Patents
Perfectionnements apportes a un dispositif d'entrainement des rotors d'un helicoptereInfo
- Publication number
- FR2354922A1 FR2354922A1 FR7618086A FR7618086A FR2354922A1 FR 2354922 A1 FR2354922 A1 FR 2354922A1 FR 7618086 A FR7618086 A FR 7618086A FR 7618086 A FR7618086 A FR 7618086A FR 2354922 A1 FR2354922 A1 FR 2354922A1
- Authority
- FR
- France
- Prior art keywords
- engine failure
- gyration
- lift
- drive transmission
- drive shaft
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
- B64C27/12—Rotor drives
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Gear Transmission (AREA)
Abstract
Dispositif d'entraînement des rotors d'un hélicoptère Il comprend une roue libre 6 entraînée par un arbre 5 lié au moteur de l'hélicoptère, un réducteur 8, un arbre d'entraînement 2 du rotor de sustentation et un arbre 3 d'entraînement du rotor de direction. Selon l'invention le réducteur 8 est à trains planétaires et comprend un ensemble de satellites 15 et une couronne extérieure fixe 17, solidaire du boîtier 14 du dispositif. Applications : gain d'encombrement et de poids pour les hélicoptères.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7618086A FR2354922A1 (fr) | 1976-06-15 | 1976-06-15 | Perfectionnements apportes a un dispositif d'entrainement des rotors d'un helicoptere |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7618086A FR2354922A1 (fr) | 1976-06-15 | 1976-06-15 | Perfectionnements apportes a un dispositif d'entrainement des rotors d'un helicoptere |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2354922A1 true FR2354922A1 (fr) | 1978-01-13 |
FR2354922B1 FR2354922B1 (fr) | 1979-04-06 |
Family
ID=9174378
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7618086A Granted FR2354922A1 (fr) | 1976-06-15 | 1976-06-15 | Perfectionnements apportes a un dispositif d'entrainement des rotors d'un helicoptere |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2354922A1 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4659286A (en) * | 1984-05-14 | 1987-04-21 | Costruzioni Aeronautiche Giovanni Agusta S.P.A. | Main helicopter drive |
US4983153A (en) * | 1985-12-18 | 1991-01-08 | Daf Special Products | Gear unit, particularly for use in a helicopter |
WO1994000347A2 (fr) * | 1992-06-22 | 1994-01-06 | United Technologies Corporation | Vehicule aerien sans equipage possedant des rotors coaxiaux, a canalisations d'air et a rotation antagoniste |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111483591B (zh) * | 2020-04-24 | 2022-04-05 | 中国航发湖南动力机械研究所 | 尾减机匣及重载尾减速器 |
-
1976
- 1976-06-15 FR FR7618086A patent/FR2354922A1/fr active Granted
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4659286A (en) * | 1984-05-14 | 1987-04-21 | Costruzioni Aeronautiche Giovanni Agusta S.P.A. | Main helicopter drive |
US4983153A (en) * | 1985-12-18 | 1991-01-08 | Daf Special Products | Gear unit, particularly for use in a helicopter |
WO1994000347A2 (fr) * | 1992-06-22 | 1994-01-06 | United Technologies Corporation | Vehicule aerien sans equipage possedant des rotors coaxiaux, a canalisations d'air et a rotation antagoniste |
WO1994000347A3 (fr) * | 1992-06-22 | 1994-07-07 | United Technologies Corp | Vehicule aerien sans equipage possedant des rotors coaxiaux, a canalisations d'air et a rotation antagoniste |
EP0861775A1 (fr) * | 1992-06-22 | 1998-09-02 | United Technologies Corporation | Un sous-ensemble de moyeux de transmission/centrage coaxiales pour ensemble rotor |
Also Published As
Publication number | Publication date |
---|---|
FR2354922B1 (fr) | 1979-04-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |