DE3852805D1 - Luftschraubenblattanlage. - Google Patents
Luftschraubenblattanlage.Info
- Publication number
- DE3852805D1 DE3852805D1 DE3852805T DE3852805T DE3852805D1 DE 3852805 D1 DE3852805 D1 DE 3852805D1 DE 3852805 T DE3852805 T DE 3852805T DE 3852805 T DE3852805 T DE 3852805T DE 3852805 D1 DE3852805 D1 DE 3852805D1
- Authority
- DE
- Germany
- Prior art keywords
- propeller blade
- blade system
- propeller
- blade
- 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 - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
- B64C11/30—Blade pitch-changing mechanisms
- B64C11/38—Blade pitch-changing mechanisms fluid, e.g. hydraulic
- B64C11/40—Blade pitch-changing mechanisms fluid, e.g. hydraulic automatic
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Control Of Turbines (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB878723247A GB8723247D0 (en) | 1987-10-03 | 1987-10-03 | Propeller blade systems |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3852805D1 true DE3852805D1 (de) | 1995-03-02 |
Family
ID=10624754
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3852805T Expired - Lifetime DE3852805D1 (de) | 1987-10-03 | 1988-09-22 | Luftschraubenblattanlage. |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0311277B1 (de) |
DE (1) | DE3852805D1 (de) |
GB (1) | GB8723247D0 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8916714D0 (en) * | 1989-07-21 | 1989-09-06 | Dowty Rotol Ltd | A propeller blade pitch control mechanism |
US5042966A (en) * | 1989-12-26 | 1991-08-27 | United Technologies Corporation | Pitch control system |
US5209640A (en) * | 1989-12-30 | 1993-05-11 | Toyota Jidosha Kabushiki Kaisha | Pitch control apparatus for variable pitch propeller |
JPH0524585A (ja) * | 1991-07-25 | 1993-02-02 | Toyota Motor Corp | 可変ピツチプロペラのピツチ制御装置 |
US5284418A (en) * | 1991-07-29 | 1994-02-08 | Toyota Jidosha Kabushiki Kaisha | Electric pitch control apparatus for variable pitch propeller capable of controlling the pitch angle based instantaneous operational conditions of the propeller |
US5174718A (en) * | 1991-08-12 | 1992-12-29 | United Technologies Corporation | Blade pitch change control system |
RU2099242C1 (ru) * | 1996-10-17 | 1997-12-20 | Йелстаун Корпорейшн Н.В. | Воздушный винт изменяемого шага и способ измерения углового положения его лопастей |
RU2108268C1 (ru) * | 1996-10-17 | 1998-04-10 | Йелстаун Корпорейшн Н.В. | Система и способ управления воздушным винтом изменяемого шага с обратной связью |
US5897293A (en) * | 1996-11-22 | 1999-04-27 | United Technologies Corporation | Counterweighted propeller control system |
US6422816B1 (en) * | 2001-05-21 | 2002-07-23 | Hamilton Sundstrand Corporation | Variable pitch propeller control system |
US7118336B2 (en) * | 2003-12-19 | 2006-10-10 | Pratt & Whitney Canada Corp. | Pressurized oil supply for propeller engine system |
US10392099B2 (en) | 2017-05-18 | 2019-08-27 | Pratt & Whitney Canada Corp. | System and method for aircraft propeller control |
EP3434585B1 (de) * | 2017-07-28 | 2021-04-14 | General Electric Company | Propellersteuerungssystem für ein flugzeug |
IT201900003999A1 (it) * | 2019-03-19 | 2020-09-19 | Ge Avio Srl | Valvola di comando combinato per sovra-velocita', messa in bandiera ed abilitazione di inversione per un gruppo elica |
IT201900010929A1 (it) * | 2019-07-04 | 2021-01-04 | Ge Avio Srl | Gruppo elica ed unita' di controllo di passo |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2180892B (en) * | 1985-09-28 | 1990-03-07 | Dowty Rotol Ltd | A control system for a bladed rotor assembly |
GB2185951B (en) * | 1986-02-04 | 1989-07-05 | Rolls Royce | Helicopter rotor and engine control |
-
1987
- 1987-10-03 GB GB878723247A patent/GB8723247D0/en active Pending
-
1988
- 1988-09-22 EP EP19880308804 patent/EP0311277B1/de not_active Expired - Lifetime
- 1988-09-22 DE DE3852805T patent/DE3852805D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0311277A2 (de) | 1989-04-12 |
GB8723247D0 (en) | 1987-11-04 |
EP0311277A3 (en) | 1990-05-16 |
EP0311277B1 (de) | 1995-01-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |