DE69014309T2 - Blattverstellsteuersystem. - Google Patents

Blattverstellsteuersystem.

Info

Publication number
DE69014309T2
DE69014309T2 DE69014309T DE69014309T DE69014309T2 DE 69014309 T2 DE69014309 T2 DE 69014309T2 DE 69014309 T DE69014309 T DE 69014309T DE 69014309 T DE69014309 T DE 69014309T DE 69014309 T2 DE69014309 T2 DE 69014309T2
Authority
DE
Germany
Prior art keywords
adjustment system
leaf adjustment
leaf
adjustment
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 - Fee Related
Application number
DE69014309T
Other languages
English (en)
Other versions
DE69014309D1 (de
Inventor
Jerome Duchesneau
Robert Schwartz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Raytheon Technologies Corp
Original Assignee
United Technologies Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by United Technologies Corp filed Critical United Technologies Corp
Application granted granted Critical
Publication of DE69014309D1 publication Critical patent/DE69014309D1/de
Publication of DE69014309T2 publication Critical patent/DE69014309T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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 Turbines (AREA)
DE69014309T 1989-12-26 1990-12-05 Blattverstellsteuersystem. Expired - Fee Related DE69014309T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/457,129 US5037271A (en) 1989-12-26 1989-12-26 Pitch control system
PCT/US1990/007137 WO1991009775A1 (en) 1989-12-26 1990-12-05 Pitch control system

Publications (2)

Publication Number Publication Date
DE69014309D1 DE69014309D1 (de) 1995-01-05
DE69014309T2 true DE69014309T2 (de) 1995-04-06

Family

ID=23815561

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69014309T Expired - Fee Related DE69014309T2 (de) 1989-12-26 1990-12-05 Blattverstellsteuersystem.

Country Status (5)

Country Link
US (1) US5037271A (de)
EP (1) EP0506891B1 (de)
BR (1) BR9007949A (de)
DE (1) DE69014309T2 (de)
WO (1) WO1991009775A1 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5174718A (en) * 1991-08-12 1992-12-29 United Technologies Corporation Blade pitch change control system
US5676913A (en) * 1994-02-18 1997-10-14 Bcp S.R.L. Mobile apparatus for the purification of polluted air, and process therefor
RU2099241C1 (ru) * 1996-10-17 1997-12-20 Йелстаун Корпорейшн Н.В. Система управления флюгерно-реверсивным воздушным винтом для самолетов местных авиалиний
US5897293A (en) * 1996-11-22 1999-04-27 United Technologies Corporation Counterweighted propeller control system
US6059528A (en) * 1996-11-22 2000-05-09 United Technologies Corporation Electronic propeller control system
US6511292B2 (en) * 2001-06-27 2003-01-28 Hamilton Sundstrand Corporation Backup governing system for a variable pitch propeller
US6811376B2 (en) * 2002-03-19 2004-11-02 Hamilton Sundstrand Actuation system for a controllable pitch propeller
US20100318245A1 (en) * 2005-03-03 2010-12-16 Nabtesco Corporation Flight control system
US8267656B2 (en) * 2006-03-08 2012-09-18 Hamilton Sundstrand Corporation Propeller pitch lock system
EP2050670A3 (de) * 2008-01-11 2011-11-23 MT-Propeller Entwicklung GmbH Elektro-Hydraulischer Propellerregler
GB0821239D0 (en) * 2008-11-21 2008-12-31 Rolls Royce Plc A machine such as a gas turbine
US8167553B2 (en) * 2009-06-09 2012-05-01 Hamilton Sundstrand Corporation Electrical system for driving a propeller pitch change mechanism
US8340793B2 (en) * 2009-10-09 2012-12-25 Hamilton Sundstrand Corporation Architecture using integrated backup control and protection hardware
GB201007564D0 (en) 2010-05-06 2010-06-23 Rolls Royce Plc Back-up featherer
GB201007565D0 (en) 2010-05-06 2010-06-23 Rolls Royce Plc Pitch control mechanism
GB201007567D0 (en) 2010-05-06 2010-06-23 Rolls Royce Plc BAck-up featherer
GB201007569D0 (en) 2010-05-06 2010-06-23 Rolls Royce Plc Pitch control mechanism
US8535007B2 (en) 2010-05-18 2013-09-17 Hamilton Sundstrand Corporation Hydraulic actuator locking device
FR3037922B1 (fr) * 2015-06-23 2017-07-07 Turbomeca Dispositif de regulation d'une helice a pales a calage variable d'un turbopropulseur
US10683082B2 (en) * 2016-04-29 2020-06-16 Ratier-Figeac Sas Hydraulic actuation systems
EP3466806B1 (de) * 2017-10-09 2021-07-28 MT-Propeller Entwicklung GmbH Verstellpropeller-einheit mit einer hydraulischen steuervorrichtung
US10807701B2 (en) 2019-02-08 2020-10-20 Honeywell International Inc. Aircraft turboprop engine propeller pitch control system including a controllable feather valve
US20200324877A1 (en) * 2019-04-09 2020-10-15 Pratt & Whitney Canada Corp. Method and system for feathering a propeller
US11059567B2 (en) 2019-05-21 2021-07-13 Pratt & Whitney Canada Corp. Method of controlling a propeller with two-position solenoid
US11958589B1 (en) * 2022-12-30 2024-04-16 Pratt & Whitney Canada Corp. Controlling rate of rotor feather by primary blade angle control system

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2761518A (en) * 1951-09-08 1956-09-04 Gen Motors Corp Propeller pitch changing mechanism
US2720927A (en) * 1951-09-21 1955-10-18 Curtiss Wright Corp Propeller control system
US2840170A (en) * 1954-04-28 1958-06-24 United Aircraft Corp Servo control system for a variable pitch propeller
US2865460A (en) * 1954-06-17 1958-12-23 United Aircraft Corp Pitch control servo system for an aeronautical propeller
GB790226A (en) * 1954-12-30 1958-02-05 Rotol Ltd Improvements in or relating to variable pitch airscrews
US2840171A (en) * 1955-10-28 1958-06-24 United Aircraft Corp Control system for a variable pitch propeller
US2913056A (en) * 1956-10-01 1959-11-17 United Aircraft Corp Propeller control anticipator
US3261406A (en) * 1963-05-16 1966-07-19 United Aircraft Corp Attitude control system for an aeronautical propeller
US3302724A (en) * 1965-06-11 1967-02-07 Westinghouse Air Brake Co Automatic control apparatus for variable pitch propellers
SE312497B (de) * 1968-05-03 1969-07-14 Karlstad Mekaniska Ab
GB1478674A (en) * 1974-07-03 1977-07-06 Lips Bv Feathering controllable pitch propeller
US4523891A (en) * 1983-06-15 1985-06-18 United Technologies Corporation Propeller pitch change actuation system
US4588354A (en) * 1983-08-05 1986-05-13 United Technologies Corporation Engine speed control in propeller pitch control systems
US4533296A (en) * 1983-11-07 1985-08-06 United Technologies Corporation Pitch control system for variable pitch propeller

Also Published As

Publication number Publication date
BR9007949A (pt) 1992-10-27
EP0506891B1 (de) 1994-11-23
WO1991009775A1 (en) 1991-07-11
US5037271A (en) 1991-08-06
EP0506891A1 (de) 1992-10-07
DE69014309D1 (de) 1995-01-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee