FR2577516B1 - Rotor d'helicoptere - Google Patents
Rotor d'helicoptereInfo
- Publication number
- FR2577516B1 FR2577516B1 FR868602175A FR8602175A FR2577516B1 FR 2577516 B1 FR2577516 B1 FR 2577516B1 FR 868602175 A FR868602175 A FR 868602175A FR 8602175 A FR8602175 A FR 8602175A FR 2577516 B1 FR2577516 B1 FR 2577516B1
- 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.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/322—Blade travel limiting devices, e.g. droop stops
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Toys (AREA)
- Wind Motors (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Catching Or Destruction (AREA)
- Radio Relay Systems (AREA)
- Walking Sticks, Umbrellas, And Fans (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT67167/85A IT1182447B (it) | 1985-02-19 | 1985-02-19 | Rotore per elicotteri |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2577516A1 FR2577516A1 (fr) | 1986-08-22 |
FR2577516B1 true FR2577516B1 (fr) | 1989-08-11 |
Family
ID=11300149
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR868602175A Expired FR2577516B1 (fr) | 1985-02-19 | 1986-02-18 | Rotor d'helicoptere |
Country Status (6)
Country | Link |
---|---|
US (1) | US4652211A (fr) |
JP (1) | JPS61247596A (fr) |
DE (1) | DE3604906C2 (fr) |
FR (1) | FR2577516B1 (fr) |
GB (1) | GB2171376B (fr) |
IT (1) | IT1182447B (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1196800B (it) * | 1986-11-25 | 1988-11-25 | Agusta Aeronaut Costr | Rotore anticoppia per elicotteri |
IT1196801B (it) * | 1986-11-25 | 1988-11-25 | Agusta Aeronaut Costr | Rotore per elicotteri |
US4797064A (en) * | 1987-07-30 | 1989-01-10 | United Technologies Corporation | Composite helicopter rotor hub |
PT2184229E (pt) * | 2008-11-11 | 2012-12-20 | Agustawestland Spa | Rotor de helicóptero |
US9616996B2 (en) * | 2013-07-29 | 2017-04-11 | Sikorsky Aircraft Corporation | Stiff inplane elastomeric rotorhead |
FR3020341B1 (fr) * | 2014-04-24 | 2016-04-29 | Airbus Helicopters | Rotor comportant un mecanisme de butee en trainee, et aeronef |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3932059A (en) * | 1975-01-10 | 1976-01-13 | United Technologies Corporation | Droop stops for helicopter rotor having elastomeric bearings |
IT1117626B (it) * | 1979-02-02 | 1986-02-17 | Aereonautiche Giovanni Augusta | Rotore articolato per elicotteri |
FR2458457A1 (fr) * | 1979-06-05 | 1981-01-02 | Aerospatiale | Rotor de giravion a moyeu articule compact |
IT1129070B (it) * | 1980-04-03 | 1986-06-04 | Agusta Aeronaut Costr | Rotore a giunti elastomerici per elicotteri |
FR2516891A1 (fr) * | 1981-11-25 | 1983-05-27 | Aerospatiale | Rotor pour giravions, a articulations integrees dans le pied de pale |
IT1155133B (it) * | 1982-03-11 | 1987-01-21 | Agusta Aeronaut Costr | Rotore per elicotteri |
IT1155132B (it) * | 1982-03-11 | 1987-01-21 | Agusta Aeronaut Costr | Rotore per elicotteri |
IT1157122B (it) * | 1982-12-06 | 1987-02-11 | Agusta Aeronaut Costr | Rotore per elicottero |
IT1159375B (it) * | 1983-03-15 | 1987-02-25 | Agusta Aeronaut Costr | Rotore per elicotteri |
IT1205405B (it) * | 1983-05-05 | 1989-03-15 | Agusta Aeronaut Costr | Rotore per elicotteri |
IT1205404B (it) * | 1983-05-05 | 1989-03-15 | Agusta Aeronaut Costr | Rotore per elicotteri |
US4549852A (en) * | 1983-12-16 | 1985-10-29 | United Technologies Corporation | Helicopter blade droop stop with slidable droop stop seat |
-
1985
- 1985-02-19 IT IT67167/85A patent/IT1182447B/it active
-
1986
- 1986-02-06 GB GB08602919A patent/GB2171376B/en not_active Expired
- 1986-02-17 DE DE3604906A patent/DE3604906C2/de not_active Expired - Fee Related
- 1986-02-18 US US06/830,543 patent/US4652211A/en not_active Expired - Fee Related
- 1986-02-18 JP JP61032091A patent/JPS61247596A/ja active Pending
- 1986-02-18 FR FR868602175A patent/FR2577516B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4652211A (en) | 1987-03-24 |
IT8567167A1 (it) | 1986-08-19 |
GB8602919D0 (en) | 1986-03-12 |
GB2171376A (en) | 1986-08-28 |
IT1182447B (it) | 1987-10-05 |
DE3604906A1 (de) | 1986-10-16 |
DE3604906C2 (de) | 1994-10-27 |
JPS61247596A (ja) | 1986-11-04 |
FR2577516A1 (fr) | 1986-08-22 |
GB2171376B (en) | 1988-06-08 |
IT8567167A0 (it) | 1985-02-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |