FR2278573A1 - Moyeu de rotor pour helicoptere comportant des elements flexibles jouant le role d'articulations virtuelles - Google Patents
Moyeu de rotor pour helicoptere comportant des elements flexibles jouant le role d'articulations virtuellesInfo
- Publication number
- FR2278573A1 FR2278573A1 FR7420532A FR7420532A FR2278573A1 FR 2278573 A1 FR2278573 A1 FR 2278573A1 FR 7420532 A FR7420532 A FR 7420532A FR 7420532 A FR7420532 A FR 7420532A FR 2278573 A1 FR2278573 A1 FR 2278573A1
- Authority
- FR
- France
- Prior art keywords
- helicopters
- role
- rotor hub
- flexible elements
- containing flexible
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Toys (AREA)
- Fluid-Damping Devices (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT49159/74A IT1011053B (it) | 1974-03-07 | 1974-03-07 | Mozzo di rotore per elicottero dota do ti elementi flessibili quali ar ticolazioni virtuali |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2278573A1 true FR2278573A1 (fr) | 1976-02-13 |
FR2278573B1 FR2278573B1 (fr) | 1976-12-24 |
Family
ID=11269808
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7420532A Granted FR2278573A1 (fr) | 1974-03-07 | 1974-06-13 | Moyeu de rotor pour helicoptere comportant des elements flexibles jouant le role d'articulations virtuelles |
Country Status (6)
Country | Link |
---|---|
US (1) | US3941503A (fr) |
DE (1) | DE2428534A1 (fr) |
FR (1) | FR2278573A1 (fr) |
GB (1) | GB1467712A (fr) |
IT (1) | IT1011053B (fr) |
NL (1) | NL159342B (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1458874A (en) * | 1974-09-06 | 1976-12-15 | Westland Aircraft Ltd | Semi-rigid rotors for 'otary wing aircraft |
DE2648343C3 (de) * | 1976-10-26 | 1981-06-19 | Messerschmitt-Bölkow-Blohm GmbH, 8000 München | Schlag- und schwenkgelenkloser Rotor für Drehflügelflugzeuge |
US4564336A (en) * | 1982-03-15 | 1986-01-14 | Hughes Helicopters, Inc. | Low drag, bearingless rotor head for helicopters |
US4543040A (en) * | 1982-09-30 | 1985-09-24 | The Boeing Company | Helicopter rotor system |
US5511947A (en) * | 1995-02-17 | 1996-04-30 | The Boeing Company | Cyclic pitch control having torsion spring system |
ITTO20020509A1 (it) * | 2002-06-14 | 2003-12-15 | Agusta Spa | Mozzo per un rotore di un elicottero e rotore provvisto di tale mozzo |
CA3004054C (fr) | 2017-05-05 | 2024-02-13 | Laflamme Aero Inc. | Assemblage de moyeu de rotor d'helicoptere et helicoptere comportant ledit assemblage |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1051476A (fr) * | ||||
US2949967A (en) * | 1959-05-25 | 1960-08-23 | Hughes Tool Co | Blade-to-hub connector for thrust producing rotor |
US3026942A (en) * | 1959-07-07 | 1962-03-27 | Bell Helicopter Corp | Helicopter rotor system |
US3280918A (en) * | 1965-04-26 | 1966-10-25 | Bell Aerospace Corp | Rotor construction |
FR1568117A (fr) * | 1968-02-12 | 1969-05-23 | ||
US3520637A (en) * | 1969-07-24 | 1970-07-14 | Boeing Co | Torsion-tension coupling |
US3695779A (en) * | 1970-05-18 | 1972-10-03 | Lockheed Aircraft Corp | Rotor system including a blade retention member |
FR2125150B1 (fr) * | 1971-02-15 | 1973-12-07 | Aerospatiale |
-
1974
- 1974-03-07 IT IT49159/74A patent/IT1011053B/it active
- 1974-05-24 US US05/472,458 patent/US3941503A/en not_active Expired - Lifetime
- 1974-06-07 GB GB2545474A patent/GB1467712A/en not_active Expired
- 1974-06-10 NL NL7407723.A patent/NL159342B/xx not_active IP Right Cessation
- 1974-06-13 FR FR7420532A patent/FR2278573A1/fr active Granted
- 1974-06-13 DE DE19742428534 patent/DE2428534A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
NL7407723A (nl) | 1975-09-09 |
DE2428534A1 (de) | 1975-09-18 |
IT1011053B (it) | 1977-01-20 |
GB1467712A (en) | 1977-03-23 |
FR2278573B1 (fr) | 1976-12-24 |
US3941503A (en) | 1976-03-02 |
NL159342B (nl) | 1979-02-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |