FR2392875B1 - - Google Patents
Info
- Publication number
- FR2392875B1 FR2392875B1 FR7807683A FR7807683A FR2392875B1 FR 2392875 B1 FR2392875 B1 FR 2392875B1 FR 7807683 A FR7807683 A FR 7807683A FR 7807683 A FR7807683 A FR 7807683A FR 2392875 B1 FR2392875 B1 FR 2392875B1
- 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
- B64C27/32—Rotors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/33—Rotors having flexing arms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/35—Rotors having elastomeric joints
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Wind Motors (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Harvester Elements (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19772712706 DE2712706C2 (de) | 1977-03-23 | 1977-03-23 | Rotor eines Drehflügelflugzeugs |
DE19772722250 DE2722250A1 (de) | 1977-03-23 | 1977-05-17 | Rotor eines drehfluegelflugzeugs |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2392875A1 FR2392875A1 (fr) | 1978-12-29 |
FR2392875B1 true FR2392875B1 (fr) | 1983-09-16 |
Family
ID=25771788
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7807683A Granted FR2392875A1 (fr) | 1977-03-23 | 1978-03-16 | Rotor pour appareil a voilure tournante |
Country Status (5)
Country | Link |
---|---|
US (1) | US4257738A (fr) |
JP (1) | JPS53117807A (fr) |
DE (1) | DE2722250A1 (fr) |
FR (1) | FR2392875A1 (fr) |
GB (1) | GB1594512A (fr) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4321013A (en) * | 1979-04-25 | 1982-03-23 | Messerschmitt-Bolkow-Blohm Gesellschaft Mit Beschrankter Haftung | Headpiece support for rotor of a rotary wing aircraft |
GB2059897A (en) * | 1979-10-02 | 1981-04-29 | Messerschmitt Boelkow Blohm | Helicopter rotor blade-to-hub connections |
DE3006088A1 (de) * | 1980-02-19 | 1981-08-20 | Messerschmitt-Bölkow-Blohm GmbH, 8000 München | Rotor eines drehfluegelflugzeugs |
DE3036093C1 (de) * | 1980-09-25 | 1982-07-29 | Messerschmitt-Bölkow-Blohm GmbH, 8000 München | Rotor insbesondere fuer ein Drehfluegelflugzeug |
IT1143358B (it) * | 1981-02-05 | 1986-10-22 | Agusta Aeronaut Costr | Mozzo composito di un rotore di elicottero |
IT1155131B (it) * | 1982-03-11 | 1987-01-21 | Agusta Aeronaut Costr | Mozzo di rotore di elicotteri |
FR2529860B1 (fr) * | 1982-07-08 | 1987-01-02 | Aerospatiale | Plateau de moyeu, procede de fabrication et moyeu de rotor de giravion equipe de tels plateaux |
US4543040A (en) * | 1982-09-30 | 1985-09-24 | The Boeing Company | Helicopter rotor system |
DE3241754C2 (de) * | 1982-11-11 | 1986-02-06 | Messerschmitt-Bölkow-Blohm GmbH, 8000 München | Rotor, insbesondere eines Drehflügelflugzeuges |
IT1159375B (it) * | 1983-03-15 | 1987-02-25 | Agusta Aeronaut Costr | Rotore per elicotteri |
US4568245A (en) * | 1983-03-22 | 1986-02-04 | United Technologies Corporation | Composite helicopter rotor hub |
US4568244A (en) * | 1983-03-22 | 1986-02-04 | United Technologies Corporation | Fiber reinforced/epoxy matrix composite helicopter rotor main hub plate |
EP0151206A1 (fr) * | 1984-02-09 | 1985-08-14 | Messerschmitt-Bölkow-Blohm Gesellschaft mit beschränkter Haftung | Rotor d'hélicoptère |
GB8922338D0 (en) * | 1989-10-04 | 1989-11-22 | Westland Helicopters | Helicopter rotors |
DE69115565T2 (de) * | 1990-05-30 | 1996-05-02 | United Technologies Corp | Verbesserte Nabengelenksverbindung für einen Helikopterrotor mit elastischen Blättern |
FR2671049B1 (fr) * | 1990-12-27 | 1993-12-24 | Aerospatiale | Corps de moyeu de rotor de giravion. |
US6371681B1 (en) * | 1999-09-20 | 2002-04-16 | Bell Helicopter Textron Inc. | Anti-rotation clip |
US6827553B2 (en) * | 2003-01-15 | 2004-12-07 | Lord Corporation | Flexbeam damper assembly having transition shim clamp device |
US9051047B2 (en) * | 2012-11-12 | 2015-06-09 | Sikorsky Aircraft Corporation | Flexbeam rotor attachment to rotor blade |
US9656747B2 (en) * | 2013-03-14 | 2017-05-23 | Bell Helicopter Textron Inc. | Soft in-plane and stiff out-of-plane rotor system |
KR102185596B1 (ko) * | 2014-05-05 | 2020-12-02 | 호르톤 인코포레이티드 | 복합 팬 |
US10988244B2 (en) | 2017-05-05 | 2021-04-27 | Laflamme Aero Inc. | Helicopter rotor hub assembly and helicopter including same |
CN107310721A (zh) * | 2017-07-17 | 2017-11-03 | 飞瑞航空科技(江苏)有限公司 | 一种无人直升机旋翼头桨夹机构 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1358006A (fr) * | 1963-05-22 | 1964-04-10 | Sud Aviation | Système d'interconnexion en traînée de pales d'hélicoptères à moyeu oscillant avec transmission homocinétique |
GB1205757A (en) * | 1967-02-07 | 1970-09-16 | Westland Aircraft Ltd | Improvements in or relating to rotor heads for rotary wing aircraft |
US3384185A (en) * | 1967-06-02 | 1968-05-21 | Aerojet General Co | Rotor hubs |
FR1546935A (fr) * | 1967-07-01 | 1968-11-22 | Bolkow Gmbh | Rotor pour aéronefs à voilure tournante comportant une suspension des pales sans articulations de battement et de pivotement |
DE1531359B1 (de) * | 1967-07-11 | 1969-09-11 | Bolkow Gmbh | vierbattrotor fÜr drehflügelflugzeuge |
US3403844A (en) * | 1967-10-02 | 1968-10-01 | Gen Electric | Bladed member and method for making |
DE1963928A1 (de) * | 1969-12-20 | 1970-07-02 | Messerschmitt Boelkow Blohm | Lagerung der Rotorblaetter von Drehfluegelflugzeugen |
FR2125150B1 (fr) * | 1971-02-15 | 1973-12-07 | Aerospatiale | |
US3797964A (en) * | 1971-06-24 | 1974-03-19 | T Hanson | Rotary wing apparatus |
US3761199A (en) * | 1972-07-14 | 1973-09-25 | United Aircraft Corp | Helicopter rotor with redundant load carrying capability |
US4012169A (en) * | 1973-05-10 | 1977-03-15 | Societe Nationale Industrielle Aerospatiale | Rotor for rotating wing type aircraft |
GB1432117A (en) * | 1973-05-10 | 1976-04-14 | Aerospatiale | Rotor for rotating wing type aircraft |
US3862812A (en) * | 1973-07-18 | 1975-01-28 | Lord Corp | Rotor blade retention system |
US4008980A (en) * | 1975-06-26 | 1977-02-22 | United Technologies Corporation | Composite helicopter spar and means to alleviate stress concentration |
DE2541998C2 (de) * | 1975-09-20 | 1981-10-15 | Messerschmitt-Bölkow-Blohm GmbH, 8000 München | Hubschrauberrotornabe mit schlag- und schwenkgelenklosem Blattanschluß |
DE2648343C3 (de) * | 1976-10-26 | 1981-06-19 | Messerschmitt-Bölkow-Blohm GmbH, 8000 München | Schlag- und schwenkgelenkloser Rotor für Drehflügelflugzeuge |
DE2656296C3 (de) * | 1976-12-11 | 1980-10-16 | Messerschmitt-Boelkow-Blohm Gmbh, 8000 Muenchen | Rotor für ein Drehflügelflugzeug |
US4093400A (en) * | 1976-12-15 | 1978-06-06 | United Technologies Corporation | Cross beam rotor |
US4156583A (en) * | 1977-07-11 | 1979-05-29 | Kaman Aerospace Corporation | Hub assembly |
-
1977
- 1977-05-17 DE DE19772722250 patent/DE2722250A1/de not_active Withdrawn
-
1978
- 1978-03-15 US US05/886,653 patent/US4257738A/en not_active Expired - Lifetime
- 1978-03-16 FR FR7807683A patent/FR2392875A1/fr active Granted
- 1978-03-20 GB GB10973/78A patent/GB1594512A/en not_active Expired
- 1978-03-23 JP JP3247778A patent/JPS53117807A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2722250A1 (de) | 1978-11-23 |
US4257738A (en) | 1981-03-24 |
GB1594512A (en) | 1981-07-30 |
FR2392875A1 (fr) | 1978-12-29 |
JPS53117807A (en) | 1978-10-14 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |