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IT8722756A0 - Sistema modulare di attuazione del passo delle pale di un'elica a passo variabile. - Google Patents

Sistema modulare di attuazione del passo delle pale di un'elica a passo variabile.

Info

Publication number
IT8722756A0
IT8722756A0 IT8722756A IT2275687A IT8722756A0 IT 8722756 A0 IT8722756 A0 IT 8722756A0 IT 8722756 A IT8722756 A IT 8722756A IT 2275687 A IT2275687 A IT 2275687A IT 8722756 A0 IT8722756 A0 IT 8722756A0
Authority
IT
Italy
Prior art keywords
implementing
modular system
pitch
propeller
blade
Prior art date
Application number
IT8722756A
Other languages
English (en)
Other versions
IT1223458B (it
Inventor
Philip Earle Barnes
Edward Harry Kusiak
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
Publication of IT8722756A0 publication Critical patent/IT8722756A0/it
Application granted granted Critical
Publication of IT1223458B publication Critical patent/IT1223458B/it

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
    • 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)
  • Aviation & Aerospace Engineering (AREA)
  • Hydraulic Motors (AREA)
  • Transmission Devices (AREA)
  • Wind Motors (AREA)
  • Soil Working Implements (AREA)
  • Harvester Elements (AREA)
  • Scissors And Nippers (AREA)
IT22756/87A 1986-11-28 1987-11-26 Sistema modulare di attuazione del passo delle pale di un'elica a passo variabile IT1223458B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/936,046 US4750862A (en) 1986-11-28 1986-11-28 Modular propeller blade pitch actuation system

Publications (2)

Publication Number Publication Date
IT8722756A0 true IT8722756A0 (it) 1987-11-26
IT1223458B IT1223458B (it) 1990-09-19

Family

ID=25468099

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22756/87A IT1223458B (it) 1986-11-28 1987-11-26 Sistema modulare di attuazione del passo delle pale di un'elica a passo variabile

Country Status (5)

Country Link
US (1) US4750862A (it)
JP (1) JPS63154498A (it)
DE (1) DE3739837A1 (it)
GB (1) GB2197912B (it)
IT (1) IT1223458B (it)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4878809A (en) * 1988-07-05 1989-11-07 Sundstrand Corporation Power source and control mechanism for propeller pitch control
US4936746A (en) * 1988-10-18 1990-06-26 United Technologies Corporation Counter-rotation pitch change system
US4934901A (en) * 1989-04-21 1990-06-19 Duchesneau Jerome G Pitch change actuation system
US5085315A (en) * 1989-05-05 1992-02-04 Sambell Kenneth W Wide-range blade pitch control for a folding rotor
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
US5154580A (en) * 1990-07-23 1992-10-13 General Electric Company Propeller pitch change mechanism
US5242265A (en) * 1990-07-23 1993-09-07 General Electric Company Aircraft pitch change mechanism
US5174716A (en) * 1990-07-23 1992-12-29 General Electric Company Pitch change mechanism
US5152668A (en) * 1990-07-23 1992-10-06 General Electric Company Pitch change mechanism for prop fans
US5199850A (en) * 1991-07-31 1993-04-06 United Technologies Corporation Pitch stop assembly for variable pitch propulsor
US5431539A (en) * 1993-10-28 1995-07-11 United Technologies Corporation Propeller pitch change mechanism
US5391055A (en) * 1993-11-24 1995-02-21 United Technologies Corporation Propeller pitch change mechanism with impulse turbines
GB9408476D0 (en) * 1994-04-28 1994-06-22 Rolls Royce Plc Blade pitch change mechanism
US5498135A (en) * 1995-01-17 1996-03-12 Newport News Shipbuilding And Dry Dock Company Actuator for a variable pitch propeller
US5897293A (en) * 1996-11-22 1999-04-27 United Technologies Corporation Counterweighted propeller control system
ATE471462T1 (de) * 2002-04-24 2010-07-15 Vestas Wind Sys As Windturbine, hydrauliksystem, entlüftungssystem und verfahren zur steuerung mindestens zweier windturbinenschaufeln
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
US8133027B2 (en) * 2008-07-14 2012-03-13 Hamilton Sundstrand Corporation Integrated actuator for a propeller system
US8083482B2 (en) * 2008-09-30 2011-12-27 Ge Aviation Systems, Llc Method and system for limiting blade pitch
GB0921745D0 (en) * 2009-12-14 2010-01-27 Rolls Royce Plc Engine arrangement
US20110146434A1 (en) * 2009-12-18 2011-06-23 Short Keith E Jack shaft disconnect
GB201000054D0 (en) 2010-01-05 2010-02-17 Rolls Royce Plc Propeller assembly pitch change apparatus
US8668459B2 (en) 2010-05-28 2014-03-11 Hamilton Sundstrand Corporation Turbine blade walking prevention
GB201108091D0 (en) 2011-05-16 2011-06-29 Rolls Royce Plc A variable pitch propeller rotor
US9612103B2 (en) 2012-01-27 2017-04-04 Kavlico Corporation Rotary variable differential transformer (RVDT) sensor assembly with auxiliary output signal
FR2993631B1 (fr) * 2012-07-18 2015-04-10 Snecma Dispositif de raccordement en aveugle entre des alimentations fluidiques, electriques ou analogues, et un mecanisme de commande recepteur
DE102013219724A1 (de) * 2013-09-30 2015-04-02 Siemens Aktiengesellschaft Elektrisch angetriebenes Flugzeug
US10294813B2 (en) 2016-03-24 2019-05-21 United Technologies Corporation Geared unison ring for variable vane actuation
US10107130B2 (en) 2016-03-24 2018-10-23 United Technologies Corporation Concentric shafts for remote independent variable vane actuation
US10288087B2 (en) 2016-03-24 2019-05-14 United Technologies Corporation Off-axis electric actuation for variable vanes
US10443430B2 (en) 2016-03-24 2019-10-15 United Technologies Corporation Variable vane actuation with rotating ring and sliding links
US10458271B2 (en) 2016-03-24 2019-10-29 United Technologies Corporation Cable drive system for variable vane operation
US10329947B2 (en) 2016-03-24 2019-06-25 United Technologies Corporation 35Geared unison ring for multi-stage variable vane actuation
US10301962B2 (en) * 2016-03-24 2019-05-28 United Technologies Corporation Harmonic drive for shaft driving multiple stages of vanes via gears
US10415596B2 (en) * 2016-03-24 2019-09-17 United Technologies Corporation Electric actuation for variable vanes
US10329946B2 (en) 2016-03-24 2019-06-25 United Technologies Corporation Sliding gear actuation for variable vanes
US10443431B2 (en) 2016-03-24 2019-10-15 United Technologies Corporation Idler gear connection for multi-stage variable vane actuation
US10190599B2 (en) 2016-03-24 2019-01-29 United Technologies Corporation Drive shaft for remote variable vane actuation
EP3239041A1 (en) * 2016-04-29 2017-11-01 Ratier-Figeac SAS Hydraulic actuation systems
US10683082B2 (en) * 2016-04-29 2020-06-16 Ratier-Figeac Sas Hydraulic actuation systems
US10501169B2 (en) * 2016-06-17 2019-12-10 Pratt & Whitney Canada Corp. Propeller blade angle control system
US12017787B2 (en) 2021-09-07 2024-06-25 Experimental Vehicle Engineering Ltd. Aircraft propeller blade radiator

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2124078A (en) * 1936-04-14 1938-07-19 Curtiss Wright Corp Controllable pitch propeller
US2174717A (en) * 1936-08-04 1939-10-03 United Aircraft Corp Multiposition controllable pitch propeller
GB541839A (en) * 1939-06-22 1941-12-15 Escher Wyss Maschf Ag Improvements relating to hydraulically-actuated variable-pitch screw propellers
GB590457A (en) * 1941-01-15 1947-07-18 United Aircraft Corp Improvements in or relating to pitch changing mechanisms for propellers
GB567710A (en) * 1943-03-01 1945-02-28 Walter Scott Hoover Improvements in and relating to pitch controlling means for aeronautical propellers
US2661807A (en) * 1949-04-28 1953-12-08 Sterling A Fielding Hydraulic pitch control device for propellers
US2653671A (en) * 1949-11-23 1953-09-29 United Aircraft Corp Pitch lock
GB886256A (en) * 1958-10-15 1962-01-03 United Aircraft Corp Improvements relating to propeller pitch change mechanism
GB1019749A (en) * 1964-08-04 1966-02-09 Daimler Benz Ag Improvements relating to cooling-air fans for motor-vehicle engines
US3554086A (en) * 1967-11-02 1971-01-12 Chandler Evans Inc Digitally positioned actuator
GB1232352A (it) * 1969-04-17 1971-05-19
GB1296062A (it) * 1969-05-03 1972-11-15
GB1294898A (it) * 1969-12-13 1972-11-01
US3801219A (en) * 1971-05-05 1974-04-02 Jerome A Gross Controllable pitch maripropeller
GB1420625A (en) * 1972-08-10 1976-01-07 Rolls Royce Pitch varying mechanism for a variable pitch fan or propeller
US3942911A (en) * 1973-02-17 1976-03-09 Dowty Rotol Limited Bladed rotors
US3873235A (en) * 1973-10-01 1975-03-25 Gen Electric Variable pitch turbofan engine
US3900274A (en) * 1974-06-25 1975-08-19 Gen Electric Remote controlled actuation system for the rotor of a gas turbine engine
US3895884A (en) * 1974-07-05 1975-07-22 United Aircraft Corp Torque sensitive pitch lock
FR2309744A1 (fr) * 1975-04-30 1976-11-26 Ratier Sa Forest Dispositif de commande de variation du pas des pales d'un ventilateur
US3994128A (en) * 1975-05-21 1976-11-30 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Dual output variable pitch turbofan actuation system
US4150686A (en) * 1976-11-15 1979-04-24 Textron Inc. Electrohydraulic control module
GB2117054B (en) * 1982-02-17 1985-01-30 Rolls Royce Aircraft propulsion engine having a rear mounted propfan

Also Published As

Publication number Publication date
GB2197912B (en) 1990-09-05
IT1223458B (it) 1990-09-19
GB2197912A (en) 1988-06-02
JPS63154498A (ja) 1988-06-27
US4750862A (en) 1988-06-14
GB8725754D0 (en) 1987-12-09
DE3739837A1 (de) 1988-06-09

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