ES8503298A1 - Perfeccionamientos en los dispositivos de control de paso para helices de paso variable - Google Patents
Perfeccionamientos en los dispositivos de control de paso para helices de paso variableInfo
- Publication number
- ES8503298A1 ES8503298A1 ES527937A ES527937A ES8503298A1 ES 8503298 A1 ES8503298 A1 ES 8503298A1 ES 527937 A ES527937 A ES 527937A ES 527937 A ES527937 A ES 527937A ES 8503298 A1 ES8503298 A1 ES 8503298A1
- Authority
- ES
- Spain
- Prior art keywords
- pitch
- control
- actuator
- governor
- power lever
- 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
- 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)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Fluid-Pressure Circuits (AREA)
- Reciprocating Pumps (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Working-Up Tar And Pitch (AREA)
Abstract
PERFECCIONAMIENTOS EN LOS DISPOSITIVOS DE CONTROL DE PASO PARA HELICES DE PASO VARIABLE.CONSISTENTES EN EL PRIMER ELEMENTO DE CONTROL (125) DISPONE DE ELEMENTOS (155, 160, 165, 170) QUE BLOQUEAN DE FORMA SELECTIVA LA SEN/AL (PS) DE VELOCIDAD DEL ACTIVADOR (40), Y ACTUAN EN RESPUESTA A UN PREDETERMINADO AJUSTE DE LA POTENCIA DEL MOTOR; Y EL SEGUNDO ELEMENTO DE CONTROL (210) Y EL PRIMER ELEMENTO DE CONTROL (125) SE CONECTAN, PARA FUNCIONAR ENTRE LOS ELEMENTOS DE AJUSTE (180, 270, 295) DE LA POTENCIA DEL MOTOR Y EL ACTIVADOR (40) Y PERMITIR CONTROLAR EL PASO DE LAS PALAS (30) DE LA HELICE A TRAVES DE LOS ELEMENTOS DE AJUSTE QUE SE ENCUENTRAN AJUSTADOS DENTRO DE UNA GAMA DE VALORES INFERIORES A LA POTENCIA SELECCIONADA Y CON TOTAL INDEPENDENCIA DEL REGULADOR (330).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/451,637 US4533295A (en) | 1982-12-20 | 1982-12-20 | Pitch control system for variable pitch propeller |
Publications (2)
Publication Number | Publication Date |
---|---|
ES527937A0 ES527937A0 (es) | 1985-03-01 |
ES8503298A1 true ES8503298A1 (es) | 1985-03-01 |
Family
ID=23793056
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES527937A Expired ES8503298A1 (es) | 1982-12-20 | 1983-12-12 | Perfeccionamientos en los dispositivos de control de paso para helices de paso variable |
Country Status (7)
Country | Link |
---|---|
US (1) | US4533295A (es) |
EP (1) | EP0112793B1 (es) |
JP (1) | JPS59114199A (es) |
BR (1) | BR8306823A (es) |
CA (1) | CA1208993A (es) |
DE (2) | DE3368899D1 (es) |
ES (1) | ES8503298A1 (es) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8300101D0 (en) * | 1983-01-05 | 1983-02-09 | Short Bros Ltd | Control of aerial propeller |
CA1220673A (en) * | 1983-07-20 | 1987-04-21 | Wallace R. Johnson | Mounting arrangement for electric outboard motor |
US4669264A (en) * | 1985-08-26 | 1987-06-02 | Jacob Kobelt | Apparatus and method for load control of an engine |
US4907992A (en) * | 1988-10-17 | 1990-03-13 | Bird-Johnson Company | Oil distribution box for a marine controllable pitch propeller |
US4893989A (en) * | 1989-03-07 | 1990-01-16 | United Technologies Corporation | Variable propeller system incorporating a forward transfer bearing |
US5023793A (en) * | 1989-04-10 | 1991-06-11 | United Technologies Corporation | Apparatus and method for dynamic compensation of a propeller pitch speed control governor |
US4906213A (en) * | 1989-04-18 | 1990-03-06 | Bird-Johnson Company | Apparatus for detecting the pitch of a marine controllable pitch propeller |
US4934901A (en) * | 1989-04-21 | 1990-06-19 | Duchesneau Jerome G | Pitch change actuation system |
JP3211624B2 (ja) * | 1995-05-30 | 2001-09-25 | トヨタ自動車株式会社 | 航空機用推進機関の制御装置 |
US6514044B2 (en) * | 2000-12-21 | 2003-02-04 | Hamilton Sundstrand Corporation | Offset crowned roller assembly for variable pitch propellers |
AT504818A1 (de) | 2004-07-30 | 2008-08-15 | Windtec Consulting Gmbh | Triebstrang einer windkraftanlage |
US8726787B2 (en) | 2011-03-18 | 2014-05-20 | General Electric Company | Rotary hydraulic actuator with hydraulically controlled position limits |
JP6059468B2 (ja) * | 2012-08-24 | 2017-01-11 | ジーイー・アビエイション・システムズ・リミテッドGe Aviation Systems Limited | オープンローター様式のためのピッチ変更機構 |
US10393137B2 (en) | 2016-02-12 | 2019-08-27 | General Electric Company | Method and system for integrated pitch control mechanism actuator hydraulic fluid transfer |
US11312476B2 (en) * | 2017-09-25 | 2022-04-26 | Woodward, Inc. | Propeller control unit |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2337613A (en) * | 1940-06-07 | 1943-12-28 | United Aircraft Corp | Position indicator |
US2423191A (en) * | 1942-06-18 | 1947-07-01 | Kopp Jean | Control apparatus for variable pitch propeller adjusting devices |
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 |
US2808891A (en) * | 1945-12-03 | 1957-10-08 | Gen Motors Corp | Variable pitch propeller control mechanism |
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 |
US2955658A (en) * | 1956-05-11 | 1960-10-11 | Rolls Royce | Control systems |
US2913056A (en) * | 1956-10-01 | 1959-11-17 | United Aircraft Corp | Propeller control anticipator |
US2934154A (en) * | 1956-12-18 | 1960-04-26 | Rotol Ltd | Hydraulic variable pitch propellers |
US2943686A (en) * | 1956-12-18 | 1960-07-05 | United Aircraft Corp | Hydraulic control system for an aeronautical propeller |
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 |
GB1021544A (en) * | 1961-08-12 | 1966-03-02 | Dehavilland Aircraft | Improved variable pitch propeller control system |
US3115938A (en) * | 1961-08-18 | 1963-12-31 | United Aircraft Corp | Pitch control for aeronautical propeller |
US3170521A (en) * | 1963-06-24 | 1965-02-23 | United Aircraft Corp | Feathered propeller control |
US3212586A (en) * | 1964-07-30 | 1965-10-19 | United Aircraft Corp | Pitch control system |
US3389641A (en) * | 1966-10-24 | 1968-06-25 | United Aircraft Corp | Hydraulic control mechanism with hydraulic delayed reset |
US3387663A (en) * | 1966-09-14 | 1968-06-11 | United Aircraft Corp | Control mechanism |
SE312497B (es) * | 1968-05-03 | 1969-07-14 | Karlstad Mekaniska Ab | |
GB1364293A (en) * | 1971-07-06 | 1974-08-21 | Rolls Royce | Valve for follow-up servo mechanism |
US4260329A (en) * | 1979-02-12 | 1981-04-07 | Bjorknas John I | Propeller pitch and engine load control apparatus |
-
1982
- 1982-12-20 US US06/451,637 patent/US4533295A/en not_active Expired - Lifetime
-
1983
- 1983-11-07 CA CA000440572A patent/CA1208993A/en not_active Expired
- 1983-12-01 DE DE8383630195T patent/DE3368899D1/de not_active Expired
- 1983-12-01 EP EP83630195A patent/EP0112793B1/en not_active Expired
- 1983-12-01 DE DE198383630195T patent/DE112793T1/de active Pending
- 1983-12-12 BR BR8306823A patent/BR8306823A/pt not_active IP Right Cessation
- 1983-12-12 ES ES527937A patent/ES8503298A1/es not_active Expired
- 1983-12-19 JP JP58239588A patent/JPS59114199A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
EP0112793A1 (en) | 1984-07-04 |
EP0112793B1 (en) | 1987-01-07 |
DE3368899D1 (en) | 1987-02-12 |
BR8306823A (pt) | 1984-07-31 |
ES527937A0 (es) | 1985-03-01 |
US4533295A (en) | 1985-08-06 |
JPH0418599B2 (es) | 1992-03-27 |
JPS59114199A (ja) | 1984-07-02 |
DE112793T1 (de) | 1984-12-20 |
CA1208993A (en) | 1986-08-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19970519 |