FR2327921A1 - Rotor d'helicoptere - Google Patents
Rotor d'helicoptereInfo
- Publication number
- FR2327921A1 FR2327921A1 FR7630025A FR7630025A FR2327921A1 FR 2327921 A1 FR2327921 A1 FR 2327921A1 FR 7630025 A FR7630025 A FR 7630025A FR 7630025 A FR7630025 A FR 7630025A FR 2327921 A1 FR2327921 A1 FR 2327921A1
- Authority
- FR
- France
- Prior art keywords
- helicopter rotor
- helicopter
- rotor
- 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
- B64C27/32—Rotors
- B64C27/33—Rotors having flexing arms
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Transmission Devices (AREA)
- Toys (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB41902/75A GB1529870A (en) | 1975-10-13 | 1975-10-13 | Helicopter rotors |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2327921A1 true FR2327921A1 (fr) | 1977-05-13 |
FR2327921B1 FR2327921B1 (fr) | 1981-01-02 |
Family
ID=10421895
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7630025A Granted FR2327921A1 (fr) | 1975-10-13 | 1976-10-06 | Rotor d'helicoptere |
Country Status (5)
Country | Link |
---|---|
US (1) | US4080098A (fr) |
DE (1) | DE2644945A1 (fr) |
FR (1) | FR2327921A1 (fr) |
GB (1) | GB1529870A (fr) |
IT (1) | IT1073915B (fr) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2007176B (en) * | 1977-09-07 | 1982-01-06 | Westland Aircraft Ltd | Helicopters |
US4264277A (en) * | 1978-05-26 | 1981-04-28 | The Boeing Company | Redundant rotor blade retention system |
US4189283A (en) * | 1978-07-12 | 1980-02-19 | The United States Of America As Represented By The Secretary Of The Navy | Rotor hub for a helicopter |
IT1164936B (it) * | 1979-02-27 | 1987-04-15 | Giovanni Agusta Costruzioni Ae | Albero rotore a comandi interni per elicotteri |
FR2464884A1 (fr) * | 1979-09-07 | 1981-03-20 | Depelsemacker Jacques | Moyeu a commande de pas integree pour rotor d'aeronef a voilure tournante |
DE3036093C1 (de) * | 1980-09-25 | 1982-07-29 | Messerschmitt-Bölkow-Blohm GmbH, 8000 München | Rotor insbesondere fuer ein Drehfluegelflugzeug |
EP0075407B1 (fr) * | 1981-09-18 | 1986-05-07 | WESTLAND plc | Rotor d'hélicoptère |
FR2542695B1 (fr) * | 1983-03-18 | 1985-07-26 | Aerospatiale | Helice multipale a pas variable a pale s en materiaux composites demontables individuellement, procede de fabrication de telles pales et pales ainsi realisees |
DE10052757A1 (de) * | 2000-10-25 | 2002-05-08 | Zf Luftfahrttechnik Gmbh | Rotorblatt-Steuerungsvorrichtung |
US6863239B2 (en) * | 2003-02-27 | 2005-03-08 | General Dynamics Advanced Information Systems, Inc. | Fluid conduit for use with hydraulic actuator |
DE10318531B4 (de) * | 2003-04-24 | 2007-11-22 | Zf Friedrichshafen Ag | Vorrichtung zur Ansteuerung eines Hubschrauberhauptrotors |
DE102005007129B4 (de) * | 2005-02-17 | 2008-07-10 | Zf Friedrichshafen Ag | Einrichtung zur Steuerung von Rotorblättern eines Hubschraubers |
DE102006042575A1 (de) * | 2006-09-11 | 2008-03-27 | Matthias Rupprecht | Rotorkopfeinheit |
US10059438B2 (en) * | 2011-12-26 | 2018-08-28 | Textron Innovations Inc. | Hub assembly with grease lubricated roller bearing and tension-torsion strap |
DE102022212645A1 (de) | 2022-11-28 | 2024-05-29 | Airbus Helicopters Technik Gmbh | Antriebsstrang für ein schwebfähiges Luftfahrzeug |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1172254A (fr) * | 1956-02-08 | 1959-02-09 | Fairey Aviat Co Ltd | Perfectionnements aux hélicoptères |
DE1275871B (de) * | 1965-09-08 | 1968-08-22 | Dornier Gmbh | Hubschrauberrotor mit zwei an laminierten Federpaketen aufgehaengten Rotorblaettern |
US3484172A (en) * | 1968-05-27 | 1969-12-16 | Richard Eugene Reed | Helicopter |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA464507A (fr) * | 1950-04-18 | Sznycer Bernard | Cercle de racine de sustentateur | |
US2418030A (en) * | 1944-09-07 | 1947-03-25 | Curtiss Wright Corp | Helicopter rotor pitch control mechanism |
US2557338A (en) * | 1946-03-30 | 1951-06-19 | United Aircraft Corp | Pitch control mechanism for helicopter rotors |
US2692650A (en) * | 1946-11-19 | 1954-10-26 | Autogiro Co Of America | Pitch control mechanism for rotor blades |
US2677429A (en) * | 1947-02-07 | 1954-05-04 | Const Aeronautiques Du Sud Que | Stabilizing device for helicopters and the like flying machines |
GB825446A (en) * | 1955-10-31 | 1959-12-16 | Aerotecnica S A | Improvements in rotary wing aircraft |
US3026942A (en) * | 1959-07-07 | 1962-03-27 | Bell Helicopter Corp | Helicopter rotor system |
US3926536A (en) * | 1970-10-15 | 1975-12-16 | Westland Aircraft Ltd | Semi-rigid rotor systems for rotary wing aircraft |
GB1458874A (en) * | 1974-09-06 | 1976-12-15 | Westland Aircraft Ltd | Semi-rigid rotors for 'otary wing aircraft |
-
1975
- 1975-10-13 GB GB41902/75A patent/GB1529870A/en not_active Expired
-
1976
- 1976-09-30 US US05/728,185 patent/US4080098A/en not_active Expired - Lifetime
- 1976-10-05 DE DE19762644945 patent/DE2644945A1/de not_active Withdrawn
- 1976-10-06 FR FR7630025A patent/FR2327921A1/fr active Granted
- 1976-10-12 IT IT7651699A patent/IT1073915B/it active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1172254A (fr) * | 1956-02-08 | 1959-02-09 | Fairey Aviat Co Ltd | Perfectionnements aux hélicoptères |
DE1275871B (de) * | 1965-09-08 | 1968-08-22 | Dornier Gmbh | Hubschrauberrotor mit zwei an laminierten Federpaketen aufgehaengten Rotorblaettern |
US3484172A (en) * | 1968-05-27 | 1969-12-16 | Richard Eugene Reed | Helicopter |
Also Published As
Publication number | Publication date |
---|---|
US4080098A (en) | 1978-03-21 |
GB1529870A (en) | 1978-10-25 |
IT1073915B (it) | 1985-04-17 |
DE2644945A1 (de) | 1977-04-21 |
FR2327921B1 (fr) | 1981-01-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |