FR2318069A1 - Rotor d'helicoptere a deux positions - Google Patents
Rotor d'helicoptere a deux positionsInfo
- Publication number
- FR2318069A1 FR2318069A1 FR7621235A FR7621235A FR2318069A1 FR 2318069 A1 FR2318069 A1 FR 2318069A1 FR 7621235 A FR7621235 A FR 7621235A FR 7621235 A FR7621235 A FR 7621235A FR 2318069 A1 FR2318069 A1 FR 2318069A1
- Authority
- FR
- France
- Prior art keywords
- helicopter rotor
- position helicopter
- rotor
- helicopter
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/46—Blades
- B64C27/473—Constructional features
- B64C27/50—Blades foldable to facilitate stowage of aircraft
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Toys (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/595,951 US3972491A (en) | 1975-07-14 | 1975-07-14 | Two-position helicopter main rotor |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2318069A1 true FR2318069A1 (fr) | 1977-02-11 |
FR2318069B1 FR2318069B1 (fr) | 1982-10-08 |
Family
ID=24385384
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7621235A Granted FR2318069A1 (fr) | 1975-07-14 | 1976-07-12 | Rotor d'helicoptere a deux positions |
Country Status (8)
Country | Link |
---|---|
US (1) | US3972491A (fr) |
JP (1) | JPS6020236B2 (fr) |
CA (1) | CA1041067A (fr) |
DE (1) | DE2623416C2 (fr) |
FR (1) | FR2318069A1 (fr) |
GB (1) | GB1551750A (fr) |
IL (1) | IL49820A (fr) |
IT (1) | IT1067556B (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2342892A1 (fr) * | 1976-03-05 | 1977-09-30 | Westland Aircraft Ltd | Rotor d'helicoptere |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4175913A (en) * | 1978-01-13 | 1979-11-27 | The United States Of America As Represented By The Secretary Of The Army | Helicopter rotor head mounting assembly |
US4306836A (en) * | 1978-05-25 | 1981-12-22 | Kaman Aerospace Corporation | Hub assembly |
FR2474996A1 (fr) * | 1980-02-05 | 1981-08-07 | Aerospatiale | Dispositif de suspension antiresonnante pour helicoptere |
FR2503663A1 (fr) * | 1981-04-10 | 1982-10-15 | Aerospatiale | Dispositif de suspension antivibratoire pour helicoptere |
EP0098704A3 (fr) * | 1982-07-02 | 1984-05-16 | WESTLAND plc | Rotor pour hélicoptère |
US5071319A (en) * | 1987-09-30 | 1991-12-10 | The Boeing Company | Low maintenance, advanced technology swashplate |
US5209429A (en) * | 1991-05-16 | 1993-05-11 | United Technologies Corporation | Helicopter with retractable rotor for transport |
US5149013A (en) * | 1991-05-16 | 1992-09-22 | United Technologies Corporation | Retractable helicopter rotor |
US5281099A (en) * | 1992-06-22 | 1994-01-25 | United Technologies Corporation | Integrated spline/cone seat subassembly for a rotor assembly having ducted, coaxial counter-rotating rotors |
EP0861778A1 (fr) * | 1992-06-22 | 1998-09-02 | United Technologies Corporation | Ensemble à palier amortisseur pour véhicule volant sans équipage |
US5853145A (en) * | 1997-01-09 | 1998-12-29 | Cartercopters, Llc | Rotor head for rotary wing aircraft |
US5785497A (en) * | 1997-03-11 | 1998-07-28 | Sikorsky Aircraft Corporation | Control rod mounting arrangement for helicopter swashplates |
FR2787762B1 (fr) * | 1998-12-29 | 2001-03-09 | Eurocopter France | Dispositif de suspension antivibratoire avec ressort en torsion, pour helicoptere |
IT1308395B1 (it) * | 1999-02-26 | 2001-12-17 | Finmeccanica Spa | Dispositivo di controllo dei passi ciclico e collettivo per un rotoredi un elicottero. |
BG64591B1 (bg) * | 2001-01-09 | 2005-08-31 | Добромир АЛЕКСАНДРОВ | Витло |
US7153094B2 (en) * | 2001-04-19 | 2006-12-26 | Bell Helicopter Textron Inc. | Rotor system vibration absorber |
SE531283C2 (sv) * | 2007-06-11 | 2009-02-10 | Atlas Copco Tools Ab | Husskarv för ett kraftverktyg |
US7909579B2 (en) * | 2007-08-29 | 2011-03-22 | Cvc Technologies, Inc. | Rotor head for a twin-rotor helicopter |
US8192159B2 (en) * | 2008-12-02 | 2012-06-05 | The Boeing Company | Rigid rotor assembly for folding helicopter blades |
US8384605B2 (en) * | 2009-02-25 | 2013-02-26 | Sikorsky Aircraft Corporation | Wireless communication between a rotating frame of reference and a non-rotating frame of reference |
CN102910287B (zh) * | 2011-08-02 | 2016-04-20 | 深圳市联讯创新工场科技开发有限公司 | 旋翼飞行器 |
US9193454B2 (en) * | 2012-10-24 | 2015-11-24 | Bell Helicopter Textron Inc. | System and method for providing for collective control in an aircraft |
EP3038912B1 (fr) * | 2013-08-28 | 2018-10-17 | Sikorsky Aircraft Corporation | Appareil à plateaux oscillants |
WO2016057255A1 (fr) * | 2014-09-29 | 2016-04-14 | Sikorsky Aircraft Corporation | Arbre et moyeu de rotor principal intégrés |
CN104494822B (zh) * | 2014-12-19 | 2016-06-29 | 四川精石航空科技开发有限公司 | 一种封闭式超轻型双座直升机的板式旋翼头 |
CN105775123A (zh) * | 2016-02-26 | 2016-07-20 | 天峋创新(北京)科技有限公司 | 一种无人直升机的三旋翼主桨毂 |
EP3539865A1 (fr) * | 2018-03-12 | 2019-09-18 | Ge Avio S.r.l. | Ensemble de support de pale de rotor ou d'helice |
US10836479B2 (en) * | 2018-06-19 | 2020-11-17 | Bell Textron Inc. | Rotating swashplate ring to rotor mast connection |
US11643308B2 (en) | 2020-03-19 | 2023-05-09 | John P. DeMaria | Drive shaft removal tool |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3321021A (en) * | 1966-07-19 | 1967-05-23 | Ryan Aeronautical Co | Lightweight folding rotor |
US3625631A (en) * | 1969-11-03 | 1971-12-07 | Bell Aerospace Corp | Rotor hub and blade folding system |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2899222A (en) * | 1959-08-11 | Shaft end roll mounting | ||
US1672216A (en) * | 1927-03-26 | 1928-06-05 | Byron Jackson Pump Mfg Co | Vertical-pump mechanism |
US1928560A (en) * | 1931-09-26 | 1933-09-26 | Thomas A Davis | Safety device for heavier-than-air machines |
US2464285A (en) * | 1941-03-10 | 1949-03-15 | Edward F Andrews | Aircraft with retractable variableradius rotary wing |
US2509481A (en) * | 1945-05-18 | 1950-05-30 | George W Crise | Rotating vane parachute |
US2749059A (en) * | 1952-10-22 | 1956-06-05 | Vertol Aircraft Corp | Aircraft with retractable variable radius rotary wing |
US3370809A (en) * | 1965-06-29 | 1968-02-27 | United Aircraft Corp | Convertiplane |
US3912199A (en) * | 1974-04-22 | 1975-10-14 | Textron Inc | Apparatus for extending and retracting a drive shaft |
-
1975
- 1975-07-14 US US05/595,951 patent/US3972491A/en not_active Expired - Lifetime
-
1976
- 1976-03-15 CA CA247,959A patent/CA1041067A/fr not_active Expired
- 1976-05-25 DE DE2623416A patent/DE2623416C2/de not_active Expired
- 1976-06-17 IL IL49820A patent/IL49820A/xx unknown
- 1976-07-12 FR FR7621235A patent/FR2318069A1/fr active Granted
- 1976-07-12 JP JP51082857A patent/JPS6020236B2/ja not_active Expired
- 1976-07-13 GB GB29121/76A patent/GB1551750A/en not_active Expired
- 1976-07-14 IT IT25295/76A patent/IT1067556B/it active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3321021A (en) * | 1966-07-19 | 1967-05-23 | Ryan Aeronautical Co | Lightweight folding rotor |
US3625631A (en) * | 1969-11-03 | 1971-12-07 | Bell Aerospace Corp | Rotor hub and blade folding system |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2342892A1 (fr) * | 1976-03-05 | 1977-09-30 | Westland Aircraft Ltd | Rotor d'helicoptere |
Also Published As
Publication number | Publication date |
---|---|
CA1041067A (fr) | 1978-10-24 |
IL49820A0 (en) | 1976-10-31 |
DE2623416C2 (de) | 1986-08-07 |
IT1067556B (it) | 1985-03-16 |
IL49820A (en) | 1980-02-29 |
DE2623416A1 (de) | 1977-02-03 |
FR2318069B1 (fr) | 1982-10-08 |
JPS5213298A (en) | 1977-02-01 |
US3972491A (en) | 1976-08-03 |
GB1551750A (en) | 1979-08-30 |
JPS6020236B2 (ja) | 1985-05-21 |
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