BR8401460A - Sistema de atuacao de mudanca de passo para helice de propulsao - Google Patents
Sistema de atuacao de mudanca de passo para helice de propulsaoInfo
- Publication number
- BR8401460A BR8401460A BR8401460A BR8401460A BR8401460A BR 8401460 A BR8401460 A BR 8401460A BR 8401460 A BR8401460 A BR 8401460A BR 8401460 A BR8401460 A BR 8401460A BR 8401460 A BR8401460 A BR 8401460A
- Authority
- BR
- Brazil
- Prior art keywords
- propulse
- propeller
- activation
- change
- propulse propeller
- Prior art date
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
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transmission Devices (AREA)
- Actuator (AREA)
- Working-Up Tar And Pitch (AREA)
- Polymerisation Methods In General (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
- Valve Device For Special Equipments (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/504,641 US4523891A (en) | 1983-06-15 | 1983-06-15 | Propeller pitch change actuation system |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8401460A true BR8401460A (pt) | 1985-02-26 |
Family
ID=24007141
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8401460A BR8401460A (pt) | 1983-06-15 | 1984-03-29 | Sistema de atuacao de mudanca de passo para helice de propulsao |
Country Status (7)
Country | Link |
---|---|
US (1) | US4523891A (pt) |
EP (1) | EP0129494B1 (pt) |
JP (1) | JPH0717237B2 (pt) |
BR (1) | BR8401460A (pt) |
CA (1) | CA1209559A (pt) |
DE (2) | DE3464035D1 (pt) |
ES (1) | ES531155A0 (pt) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4753572A (en) * | 1986-10-02 | 1988-06-28 | United Technologies Corporation | Propeller pitch change actuation system |
US4893989A (en) * | 1989-03-07 | 1990-01-16 | United Technologies Corporation | Variable propeller system incorporating a forward transfer bearing |
US4934901A (en) * | 1989-04-21 | 1990-06-19 | Duchesneau Jerome G | Pitch change actuation system |
US5037271A (en) * | 1989-12-26 | 1991-08-06 | United Technologies Corporation | Pitch control system |
US5042966A (en) * | 1989-12-26 | 1991-08-27 | United Technologies Corporation | Pitch control system |
US5199850A (en) * | 1991-07-31 | 1993-04-06 | United Technologies Corporation | Pitch stop assembly for variable pitch propulsor |
US5161948A (en) * | 1991-07-31 | 1992-11-10 | United Technologies Corporation | Propulsor pitchlock and feather stop |
US5186608A (en) * | 1991-10-25 | 1993-02-16 | United Technologies Corporation | Hydraulic low pitch switch for propeller pitch change system |
US5364231A (en) * | 1992-12-22 | 1994-11-15 | Alliedsignal Inc. | Full authority propeller pitch control |
US5391055A (en) * | 1993-11-24 | 1995-02-21 | United Technologies Corporation | Propeller pitch change mechanism with impulse turbines |
US5462410A (en) * | 1994-11-10 | 1995-10-31 | United Technologies Corporation | Damper and seal for propeller quill shaft |
US5795132A (en) * | 1995-04-07 | 1998-08-18 | Something Else Limited Liability Co. | Variable pitch propeller |
US5713338A (en) * | 1995-09-19 | 1998-02-03 | N.S.I. Propulsion Systems, Inc. | Redundant ignition system for internal combustion engine |
US5931637A (en) * | 1996-01-22 | 1999-08-03 | Something Else Limited Liability Company | Propeller with variable rate of pitch change |
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 |
US5865599A (en) * | 1997-03-11 | 1999-02-02 | United Technologies Corporation | System and process for direct blade angle measurement in propulsion systems |
US6425788B1 (en) * | 2001-06-27 | 2002-07-30 | Ab R & D Marine Oy | Controllable-pitch propeller |
US7118336B2 (en) * | 2003-12-19 | 2006-10-10 | Pratt & Whitney Canada Corp. | Pressurized oil supply for propeller engine system |
US7677492B1 (en) * | 2004-11-16 | 2010-03-16 | Cartercopters, L.L.C. | Automatic mechanical control of rotor blade collective pitch |
US8545178B2 (en) * | 2006-03-08 | 2013-10-01 | Hamilton Sundstrand Corporation | Controlled propeller pitch lock actuation system |
US8267656B2 (en) * | 2006-03-08 | 2012-09-18 | Hamilton Sundstrand Corporation | Propeller pitch lock system |
US7758310B2 (en) * | 2007-01-15 | 2010-07-20 | Sikorsky Aircraft Corporation | Translational thrust system for a rotary wing aircraft |
US8439640B2 (en) * | 2008-07-15 | 2013-05-14 | Hamilton Sundstrand Corporation | Propeller blade pitch control system |
US8083482B2 (en) * | 2008-09-30 | 2011-12-27 | Ge Aviation Systems, Llc | Method and system for limiting blade pitch |
US8167553B2 (en) * | 2009-06-09 | 2012-05-01 | Hamilton Sundstrand Corporation | Electrical system for driving a propeller pitch change mechanism |
US8172530B2 (en) * | 2009-06-09 | 2012-05-08 | Hamilton Sundstrand Corporation | Pitch change actuation system for a counter-rotating propeller |
US8277182B2 (en) * | 2009-07-02 | 2012-10-02 | Hamilton Sundstrand Corporation | Remote pitch controller for a variable pitch propeller |
US8496436B2 (en) * | 2010-01-11 | 2013-07-30 | Hamilton Sundstrand Corporation | Torque compensation for propeller pitch change mechanism |
US8910906B2 (en) | 2012-05-15 | 2014-12-16 | Hamilton Sundstrand Corporation | Articulable rotational coupling for an aircraft |
FR3001264B1 (fr) * | 2013-01-18 | 2017-03-17 | Snecma | Systeme pour changer le pas des pales d'une helice. |
EP2971607B1 (en) * | 2013-03-13 | 2019-06-26 | United Technologies Corporation | Fan drive thrust balance |
PL226824B1 (pl) | 2015-09-07 | 2017-09-29 | Gen Electric | Układ isposób regulacji skoku smigła |
PL226825B1 (pl) | 2015-09-07 | 2017-09-29 | Gen Electric | Układ isposób regulacji skoku smigła |
EP3335987B1 (en) | 2016-12-16 | 2019-10-23 | Microtecnica S.r.l. | Integrated stability and control augmentation system |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2337613A (en) * | 1940-06-07 | 1943-12-28 | United Aircraft Corp | Position indicator |
US2388276A (en) * | 1942-09-16 | 1945-11-06 | Howard M Mccoy | Mechanism and control for controllable aircraft propellers |
US2426007A (en) * | 1942-11-14 | 1947-08-19 | Fairey Aviat Co Ltd | Variable pitch propeller arrangement |
US2378938A (en) * | 1942-11-18 | 1945-06-26 | Howard M Mccoy | Mechanism and controls for controllable aircraft propellers |
CH257958A (de) * | 1943-08-14 | 1948-10-31 | Sulzer Ag | Vorrichtung zum Verstellen der Flügel eines Propellers. |
US2640555A (en) * | 1946-03-01 | 1953-06-02 | Curtiss Wright Corp | Hydraulic propeller pitch-changing system |
US2636566A (en) * | 1948-01-23 | 1953-04-28 | United Aircraft Corp | Governor valve for variable pitch propellers |
US2738022A (en) * | 1952-01-31 | 1956-03-13 | Curtiss Wright Corp | Propeller control and governor |
US2923361A (en) * | 1955-05-17 | 1960-02-02 | United Aircraft Corp | Hydromechanical propeller control |
FR1153266A (fr) * | 1956-03-12 | 1958-03-04 | Ratier Aviat Marine | Perfectionnements aux hélices à pas variable |
US2913056A (en) * | 1956-10-01 | 1959-11-17 | United Aircraft Corp | Propeller control anticipator |
US2910126A (en) * | 1956-12-18 | 1959-10-27 | United Aircraft Corp | Hydraulic system for adjustable pitch aeronautical propeller |
US3024848A (en) * | 1957-07-19 | 1962-03-13 | Rotol Ltd | Hydraulic variable pitch propellers |
US3001588A (en) * | 1959-07-27 | 1961-09-26 | United Aircraft Corp | Propeller blade angle control |
US3068943A (en) * | 1960-06-28 | 1962-12-18 | United Aircraft Corp | Propeller control system with rate-of-blade-pitch-change feedback |
US3170521A (en) * | 1963-06-24 | 1965-02-23 | United Aircraft Corp | Feathered propeller control |
US3240275A (en) * | 1963-12-03 | 1966-03-15 | Curtiss Wright Corp | Hydraulically operable pitch aircraft propeller |
FR1395753A (fr) * | 1964-03-05 | 1965-04-16 | Ratier Figeac Soc | Système de sécurité pour vérins hydrauliques et son application aux hélices à pas variable |
US3212586A (en) * | 1964-07-30 | 1965-10-19 | United Aircraft Corp | Pitch control system |
GB1185041A (en) * | 1966-04-12 | 1970-03-18 | Dowty Rotol Ltd | Adjustable Bladed Rotors |
GB1185040A (en) * | 1966-04-12 | 1970-03-18 | Dowty Rotol Ltd | Bladed Rotors |
US3387663A (en) * | 1966-09-14 | 1968-06-11 | United Aircraft Corp | Control mechanism |
SE312497B (pt) * | 1968-05-03 | 1969-07-14 | Karlstad Mekaniska Ab | |
FR2309744A1 (fr) * | 1975-04-30 | 1976-11-26 | Ratier Sa Forest | Dispositif de commande de variation du pas des pales d'un ventilateur |
-
1983
- 1983-06-15 US US06/504,641 patent/US4523891A/en not_active Expired - Lifetime
- 1983-12-19 CA CA000443667A patent/CA1209559A/en not_active Expired
-
1984
- 1984-03-29 BR BR8401460A patent/BR8401460A/pt not_active IP Right Cessation
- 1984-03-30 DE DE8484630051T patent/DE3464035D1/de not_active Expired
- 1984-03-30 DE DE198484630051T patent/DE129494T1/de active Pending
- 1984-03-30 JP JP59063143A patent/JPH0717237B2/ja not_active Expired - Lifetime
- 1984-03-30 ES ES531155A patent/ES531155A0/es active Granted
- 1984-03-30 EP EP84630051A patent/EP0129494B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ES8503209A1 (es) | 1985-02-16 |
EP0129494A1 (en) | 1984-12-27 |
CA1209559A (en) | 1986-08-12 |
JPH0717237B2 (ja) | 1995-03-01 |
US4523891A (en) | 1985-06-18 |
DE129494T1 (de) | 1985-09-12 |
JPS604496A (ja) | 1985-01-10 |
EP0129494B1 (en) | 1987-06-03 |
ES531155A0 (es) | 1985-02-16 |
DE3464035D1 (en) | 1987-07-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B21A | Expiry acc. art. 78, item i of ipl- expiry of the term of protection |
Free format text: PATENTE EXTINTA EM 29/03/99 |