IN154324B - - Google Patents
Info
- Publication number
- IN154324B IN154324B IN592/DEL/79A IN592DE1979A IN154324B IN 154324 B IN154324 B IN 154324B IN 592DE1979 A IN592DE1979 A IN 592DE1979A IN 154324 B IN154324 B IN 154324B
- Authority
- IN
- India
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)
- Motorcycle And Bicycle Frame (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7824480A FR2434079A1 (fr) | 1978-08-23 | 1978-08-23 | Dispositif pour limiter les battements des pales d'un rotor principal de giravion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN154324B true IN154324B (fr) | 1984-10-20 |
Family
ID=9212027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN592/DEL/79A IN154324B (fr) | 1978-08-23 | 1979-08-17 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4289448A (fr) |
| JP (1) | JPS5950559B2 (fr) |
| FR (1) | FR2434079A1 (fr) |
| GB (1) | GB2028749B (fr) |
| IN (1) | IN154324B (fr) |
| IT (1) | IT1122719B (fr) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1117626B (it) * | 1979-02-02 | 1986-02-17 | Aereonautiche Giovanni Augusta | Rotore articolato per elicotteri |
| IT1155133B (it) * | 1982-03-11 | 1987-01-21 | Agusta Aeronaut Costr | Rotore per elicotteri |
| FR2551723B1 (fr) * | 1983-09-08 | 1985-12-13 | Aerospatiale | Dispositif a butees escamotables pour limiter les battements des pales d'un rotor principal de giravion |
| FR2584995B1 (fr) * | 1985-07-22 | 1987-11-13 | Aerospatiale | Mat-moyeu integre et tete de rotor de giravion le comportant |
| JP2608710B2 (ja) * | 1986-12-29 | 1997-05-14 | 株式会社マキタ | 電動工具用整流子電動機における配線装置 |
| FR2725687B1 (fr) | 1994-10-12 | 1996-12-27 | Eurocopter France | Dispositif de butees de battement, a anneau escamotable de butees hautes, et tete de rotor le comportant |
| FR2742725B1 (fr) * | 1995-12-21 | 1998-03-06 | Eurocopter France | Dispositif a double anneau escamotable de butees hautes de battement, et tete de rotor le comportant |
| US7039220B2 (en) * | 2002-08-14 | 2006-05-02 | C-Scan, L.L.P. | Methods and apparatus for the dimensional measurement of livestock using a single camera |
| US7744349B1 (en) * | 2006-09-11 | 2010-06-29 | Davis Aircraft Products Co., Inc. | Blade flap locking for out-of-use helicopters |
| EP2367718B1 (fr) | 2008-12-09 | 2018-07-11 | Sikorsky Aircraft Corporation | Butée d'avance pour système de rotor comprenant un amortisseur d'avance/de retard fluide élastomère |
| JPWO2011007850A1 (ja) * | 2009-07-14 | 2012-12-27 | 豊和鋳機株式会社 | ローター・ヘッド |
| FR3017855B1 (fr) | 2014-02-21 | 2016-04-29 | Airbus Helicopters | Rotor pour giravion comportant un mecanisme de butee en battement, et giravion |
| FR3046778B1 (fr) * | 2016-01-20 | 2018-01-12 | Airbus Helicopters | Dispositif de butee inferieur d'un rotor pour giravion, rotor de giravion et giravion |
| US11235870B2 (en) | 2018-06-28 | 2022-02-01 | Textron Innovations Inc. | Droop ring with removable wear elements |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2151215A (en) * | 1938-04-30 | 1939-03-21 | Autogiro Co Of America | Aircraft sustaining rotor |
| US2465674A (en) * | 1945-08-07 | 1949-03-29 | United Aircraft Corp | Automatic blade droop stop |
| US2493869A (en) * | 1946-05-30 | 1950-01-10 | Bristol Aeroplane Co Ltd | Control means for the blades of the sustaining rotor of a rotary-wing aircraft |
| US2742098A (en) * | 1951-10-06 | 1956-04-17 | Mcculloch Motors Corp | Movement limiting means for blades of aircraft sustaining rotors |
| US2928478A (en) * | 1955-08-03 | 1960-03-15 | Doman Helicopters Inc | Freely tilting rotor for self sustaining aircraft with erecting mechanism and the erecting mechanism |
| US2961051A (en) * | 1955-11-17 | 1960-11-22 | Wilford Edward Burke | Rotor hub and drive system |
| US2946391A (en) * | 1955-12-29 | 1960-07-26 | Boeing Co | Rotor blade flapping control mechanism |
| US2906348A (en) * | 1956-12-05 | 1959-09-29 | John W Lovegrove | Anti-gust stop |
| US3147810A (en) * | 1962-09-12 | 1964-09-08 | Boeing Co | Restraining mechanism |
| FR1590166A (fr) * | 1968-09-27 | 1970-04-13 | ||
| FR2041762B1 (fr) * | 1969-05-28 | 1973-11-16 | Aerospatiale | |
| US3853426A (en) * | 1972-09-05 | 1974-12-10 | United Aircraft Corp | Elastomeric helicopter rotor head with dynamic and static blade coning and droop stops |
| GB1514347A (en) * | 1976-03-05 | 1978-06-14 | Westland Aircraft Ltd | Helicopter rotors |
| US4203708A (en) * | 1978-06-26 | 1980-05-20 | United Technologies Corporation | Elastomeric rotor load reaction system |
-
1978
- 1978-08-23 FR FR7824480A patent/FR2434079A1/fr active Granted
-
1979
- 1979-08-07 IT IT24969/79A patent/IT1122719B/it active
- 1979-08-14 JP JP54102867A patent/JPS5950559B2/ja not_active Expired
- 1979-08-14 GB GB7928229A patent/GB2028749B/en not_active Expired
- 1979-08-17 IN IN592/DEL/79A patent/IN154324B/en unknown
- 1979-08-22 US US06/068,797 patent/US4289448A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| IT1122719B (it) | 1986-04-23 |
| IT7924969A0 (it) | 1979-08-07 |
| US4289448A (en) | 1981-09-15 |
| GB2028749A (en) | 1980-03-12 |
| GB2028749B (en) | 1982-06-30 |
| JPS5531686A (en) | 1980-03-06 |
| FR2434079B1 (fr) | 1983-01-07 |
| JPS5950559B2 (ja) | 1984-12-08 |
| FR2434079A1 (fr) | 1980-03-21 |