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FR2218241B1 - - Google Patents

Info

Publication number
FR2218241B1
FR2218241B1 FR7403553A FR7403553A FR2218241B1 FR 2218241 B1 FR2218241 B1 FR 2218241B1 FR 7403553 A FR7403553 A FR 7403553A FR 7403553 A FR7403553 A FR 7403553A FR 2218241 B1 FR2218241 B1 FR 2218241B1
Authority
FR
France
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
Application number
FR7403553A
Other versions
FR2218241A1 (fr
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.)
RTX Corp
Original Assignee
United Aircraft 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 Aircraft Corp filed Critical United Aircraft Corp
Publication of FR2218241A1 publication Critical patent/FR2218241A1/fr
Application granted granted Critical
Publication of FR2218241B1 publication Critical patent/FR2218241B1/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D7/00—Rotors with blades adjustable in operation; Control thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05D2260/74—Adjusting of angle of incidence or attack of rotating blades by turning around an axis perpendicular the rotor centre line
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05D2260/76—Adjusting of angle of incidence or attack of rotating blades the adjusting mechanism using auxiliary power sources
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Retarders (AREA)
  • Supercharger (AREA)
FR7403553A 1973-02-21 1974-01-28 Expired FR2218241B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US334334A US3893789A (en) 1973-02-21 1973-02-21 Pitch change actuator for a variable pitch fan propulsor

Publications (2)

Publication Number Publication Date
FR2218241A1 FR2218241A1 (fr) 1974-09-13
FR2218241B1 true FR2218241B1 (fr) 1978-01-06

Family

ID=23306738

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7403553A Expired FR2218241B1 (fr) 1973-02-21 1974-01-28

Country Status (4)

Country Link
US (1) US3893789A (fr)
DE (1) DE2403062C2 (fr)
FR (1) FR2218241B1 (fr)
GB (1) GB1454232A (fr)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4534524A (en) * 1983-10-05 1985-08-13 Sundstrand Corporation Position and control system for helicopter blade actuation
US4738590A (en) * 1986-09-09 1988-04-19 General Electric Company Blade pitch varying mechanism
US4738591A (en) * 1986-09-09 1988-04-19 General Electric Company Blade pitch varying mechanism
US4753572A (en) * 1986-10-02 1988-06-28 United Technologies Corporation Propeller pitch change actuation system
US4878809A (en) * 1988-07-05 1989-11-07 Sundstrand Corporation Power source and control mechanism for propeller pitch control
US4890979A (en) * 1988-07-28 1990-01-02 Sundstrand Corporation No-back apparatus for propeller pitch control
GB2231623B (en) * 1989-05-17 1993-10-20 Rolls Royce Plc A variable pitch propeller module for an aero gas turbine engine powerplant
US5156648A (en) * 1990-07-09 1992-10-20 General Electric Company Prop-fan pitch-change mechanism
US5154372A (en) * 1990-07-23 1992-10-13 General Electric Company Torque multiplier for aircraft propeller
US5152668A (en) * 1990-07-23 1992-10-06 General Electric Company Pitch change mechanism for prop fans
US5174716A (en) * 1990-07-23 1992-12-29 General Electric Company Pitch change mechanism
US5242265A (en) * 1990-07-23 1993-09-07 General Electric Company Aircraft pitch change mechanism
US5154580A (en) * 1990-07-23 1992-10-13 General Electric Company Propeller pitch change mechanism
US5199850A (en) * 1991-07-31 1993-04-06 United Technologies Corporation Pitch stop assembly for variable pitch propulsor
DE4446624A1 (de) * 1994-12-24 1996-06-27 Klein Schanzlin & Becker Ag Verstellpropeller
US5865599A (en) * 1997-03-11 1999-02-02 United Technologies Corporation System and process for direct blade angle measurement in propulsion systems
US7331761B2 (en) * 2005-11-10 2008-02-19 Kaydon Corporation Wind turbine pitch bearing and method
US7901185B2 (en) * 2007-02-21 2011-03-08 United Technologies Corporation Variable rotor blade for gas turbine engine
US8075270B2 (en) * 2008-05-13 2011-12-13 Rotating Composite Technologies Llc Fan blade retention and variable pitch system
CN102333962A (zh) * 2009-02-27 2012-01-25 斯奈克玛 带有循环设定的风机叶片
FR2956377B1 (fr) * 2010-02-12 2012-09-14 Snecma Dispositif de commande par cremalleres de la position angulaire d'aubes pivotantes de turbomachine
CN103043199B (zh) * 2013-01-17 2015-05-13 苏州船用动力系统股份有限公司 轮缘式差动端面齿调距推进装置
CN104675635B (zh) * 2015-03-10 2018-02-13 哈尔滨工程大学 一种装有转角放大器的振动翼发电装置
US9835037B2 (en) 2015-06-22 2017-12-05 General Electric Company Ducted thrust producing system with asynchronous fan blade pitching
US11225975B2 (en) 2015-11-17 2022-01-18 General Electric Company Gas turbine engine fan
US10371096B2 (en) * 2015-11-17 2019-08-06 General Electric Company Gas turbine engine fan
FR3046409B1 (fr) * 2016-01-05 2018-02-09 Safran Aircraft Engines Systeme de commande de l'orientation des pales de soufflante d'une turbomachine a pion de blocage de mise en drapeau
US10107130B2 (en) * 2016-03-24 2018-10-23 United Technologies Corporation Concentric shafts for remote independent variable vane actuation
US10415596B2 (en) * 2016-03-24 2019-09-17 United Technologies Corporation Electric actuation for variable vanes
FR3055001B1 (fr) * 2016-08-10 2022-04-01 Safran Aircraft Engines Systeme de changement de pas equipe de moyens de reglage du pas des pales et turbomachine correspondante
US10465701B2 (en) 2017-04-21 2019-11-05 United Technologies Corporation Variable pitch fan blade system
US10415405B2 (en) * 2017-04-21 2019-09-17 United Technologies Corporation Variable pitch fan blade system
IT201900010929A1 (it) 2019-07-04 2021-01-04 Ge Avio Srl Gruppo elica ed unita' di controllo di passo
US11674435B2 (en) 2021-06-29 2023-06-13 General Electric Company Levered counterweight feathering system
US11795964B2 (en) 2021-07-16 2023-10-24 General Electric Company Levered counterweight feathering system
DE102023119250A1 (de) 2023-07-20 2025-01-23 Ie Assets Gmbh & Co. Kg Lüfterrad

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2573783A (en) * 1943-02-04 1951-11-06 United Aircraft Corp Propeller pitch change motor
US2906143A (en) * 1955-03-21 1959-09-29 United Shoe Machinery Corp Strain wave gearing
FR1553936A (fr) * 1966-12-05 1969-01-17
GB1195962A (en) * 1967-08-12 1970-06-24 Rolls Royce Gear.
GB1265150A (fr) * 1968-06-22 1972-03-01
GB1296061A (fr) * 1969-04-21 1972-11-15
GB1296063A (fr) * 1969-05-03 1972-11-15
GB1296062A (fr) * 1969-05-03 1972-11-15
US3801219A (en) * 1971-05-05 1974-04-02 Jerome A Gross Controllable pitch maripropeller
US3729276A (en) * 1971-07-06 1973-04-24 Bendix Corp Actuator assembly

Also Published As

Publication number Publication date
GB1454232A (en) 1976-11-03
DE2403062A1 (de) 1974-09-05
FR2218241A1 (fr) 1974-09-13
DE2403062C2 (de) 1985-03-07
US3893789A (en) 1975-07-08

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Legal Events

Date Code Title Description
ST Notification of lapse