IT1222809B - Apparecchio per attuare la variazione del passo delle pale di un'elica - Google Patents

Apparecchio per attuare la variazione del passo delle pale di un'elica

Info

Publication number
IT1222809B
IT1222809B IT22116/87A IT2211687A IT1222809B IT 1222809 B IT1222809 B IT 1222809B IT 22116/87 A IT22116/87 A IT 22116/87A IT 2211687 A IT2211687 A IT 2211687A IT 1222809 B IT1222809 B IT 1222809B
Authority
IT
Italy
Prior art keywords
propeller
blades
pitch
implement
change
Prior art date
Application number
IT22116/87A
Other languages
English (en)
Other versions
IT8722116A0 (it
Inventor
Edward Harry Husiak
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 IT8722116A0 publication Critical patent/IT8722116A0/it
Application granted granted Critical
Publication of IT1222809B publication Critical patent/IT1222809B/it

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C11/00Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/30Blade pitch-changing mechanisms

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transmission Devices (AREA)
  • Wind Motors (AREA)
IT22116/87A 1986-10-02 1987-10-02 Apparecchio per attuare la variazione del passo delle pale di un'elica IT1222809B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/914,705 US4753572A (en) 1986-10-02 1986-10-02 Propeller pitch change actuation system

Publications (2)

Publication Number Publication Date
IT8722116A0 IT8722116A0 (it) 1987-10-02
IT1222809B true IT1222809B (it) 1990-09-12

Family

ID=25434684

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22116/87A IT1222809B (it) 1986-10-02 1987-10-02 Apparecchio per attuare la variazione del passo delle pale di un'elica

Country Status (6)

Country Link
US (1) US4753572A (it)
JP (1) JP2779803B2 (it)
DE (1) DE3733407C2 (it)
FR (1) FR2604684B1 (it)
GB (1) GB2196064B (it)
IT (1) IT1222809B (it)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5282719A (en) * 1991-05-13 1994-02-01 Alliedsignal Inc. Quad mode fan pitch actuation system for a gas turbine engine
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
US5391055A (en) * 1993-11-24 1995-02-21 United Technologies Corporation Propeller pitch change mechanism with impulse turbines
US5451141A (en) * 1993-12-23 1995-09-19 United Technologies Corporation Propeller pitch change machanism with inductive brake and motor
US5554003A (en) * 1995-05-31 1996-09-10 Hall; Arnold M. Controllable pitch propeller for propulsor and hydroturbine
RU2099241C1 (ru) * 1996-10-17 1997-12-20 Йелстаун Корпорейшн Н.В. Система управления флюгерно-реверсивным воздушным винтом для самолетов местных авиалиний
US20050226727A1 (en) * 2004-03-03 2005-10-13 Dennis Brian D Methods and systems for controlling the pitch of a propeller
CA2570824C (en) * 2004-07-20 2011-07-26 Aimbridge Pty Ltd. Propeller for a marine propulsion system
US8267656B2 (en) * 2006-03-08 2012-09-18 Hamilton Sundstrand Corporation Propeller pitch lock system
US8545178B2 (en) * 2006-03-08 2013-10-01 Hamilton Sundstrand Corporation Controlled propeller pitch lock actuation system
FR2928977B1 (fr) * 2008-03-21 2010-04-09 Snecma Systeme d'helices contrarotatives disposant d'un dispositif de mise en drapeau des pales d'helices
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
US8109165B2 (en) * 2009-09-29 2012-02-07 Hamilton Sundstrand Corporation Compliant non-jamming end of travel stop for a ball screw actuator
GB201000054D0 (en) * 2010-01-05 2010-02-17 Rolls Royce Plc Propeller assembly pitch change apparatus
US8535007B2 (en) 2010-05-18 2013-09-17 Hamilton Sundstrand Corporation Hydraulic actuator locking device
FR2977862B1 (fr) * 2011-07-13 2013-08-23 Snecma Dispositif de commande de l'orientation des pales de soufflante d'un turbopropulseur
JP5431443B2 (ja) * 2011-12-15 2014-03-05 株式会社エクセディ クラッチのアクチュエータ
CN103171760B (zh) * 2013-03-25 2015-12-23 贾小平 垂直升降陆空两用车螺旋桨变距装置
FI125480B (fi) * 2014-08-14 2015-10-30 Servoprop Oy Menetelmä ja laitteisto purjealuksen sähköpropulsiojärjestelmässä
JP6285500B2 (ja) * 2015-07-08 2018-02-28 ジーイー・アビエイション・システムズ・エルエルシー ピッチ制御組立体及びプロペラ組立体並びにピッチを調整する方法
US10926874B2 (en) * 2016-01-15 2021-02-23 Aurora Flight Sciences Corporation Hybrid propulsion vertical take-off and landing aircraft
US10801339B2 (en) 2017-07-11 2020-10-13 General Electric Company Aircraft gas turbine engine variable fan blade mechanism
JP7409177B2 (ja) * 2020-03-17 2024-01-09 日本精工株式会社 推力発生装置
JP7468019B2 (ja) * 2020-03-17 2024-04-16 日本精工株式会社 推力発生装置
JP7468018B2 (ja) * 2020-03-17 2024-04-16 日本精工株式会社 推力発生装置
CN112429203A (zh) * 2020-11-20 2021-03-02 惠阳航空螺旋桨有限责任公司 一种螺旋桨变距连杆机构
FR3137062B1 (fr) * 2022-06-22 2024-05-17 Safran Aircraft Engines Mecanisme de changement de pas avec dispositif de verrouillage de pas comprenant une vis a rouleaux satellites
US12601272B2 (en) 2022-06-22 2026-04-14 Safran Aircraft Engines Pitch change mechanism with an actuator surrounding a fluid transfer bearing
EP4543751B1 (fr) 2022-06-22 2026-04-29 Safran Aircraft Engines Mécanisme de changement de pas avec dispositif de verrouillage de pas comprenant une vis à rouleaux satellites
US12091157B2 (en) * 2022-09-07 2024-09-17 Lockheed Martin Corporation Actuator for pitch control for a rotor system of an aircraft

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US26461A (en) * 1859-12-13 Jambs w
USRE26461E (en) 1968-09-17 Pitch control system
US2164489A (en) * 1936-07-27 1939-07-04 Engineering & Res Corp Variable pitch propeller
CH207178A (de) * 1938-11-30 1939-09-30 Escher Wyss Maschf Ag Vorrichtung zur hydraulischen Verstellung der Flügel von Propellern.
US2274334A (en) * 1940-04-05 1942-02-24 Escher Wyss Machinenfabriken A Variable-pitch propeller
GB584450A (en) * 1943-08-12 1947-01-15 Archibald Graham Forsyth Electrically operated pitch changing mechanism for screw propellers
US2856012A (en) * 1954-05-28 1958-10-14 United Aircraft Corp Mechanical pitch lock
US2855057A (en) * 1956-06-14 1958-10-07 United Aircraft Corp Pitch lock disabling means for variable pitch propellers
US2969685A (en) * 1957-04-02 1961-01-31 Gen Motors Corp Control mechanism for variable pitch propellers
US2940527A (en) * 1957-10-25 1960-06-14 United Aircraft Corp Propeller pitch lock disabling and feather lock mechanism
US2985244A (en) * 1957-11-27 1961-05-23 United Aircraft Corp Propeller blade pitch lock control means
US3090445A (en) * 1960-12-19 1963-05-21 United Aircraft Corp Simultaneous feather and pitch lock actuator
US3187819A (en) * 1963-04-29 1965-06-08 United Aircraft Corp Combined pitch lock and feather latch
US3439745A (en) * 1966-03-30 1969-04-22 United Aircraft Corp Combined propeller pitch lock and low pitch stop system
US3484176A (en) * 1967-12-04 1969-12-16 United Aircraft Corp Actuator with stop therefor
GB1364293A (en) * 1971-07-06 1974-08-21 Rolls Royce Valve for follow-up servo mechanism
US3722641A (en) * 1971-09-16 1973-03-27 United Aircraft Corp No back actuator system
US3766798A (en) * 1972-10-04 1973-10-23 United Aircraft Corp Ball-screw actuator with stop mechanism
US3902822A (en) * 1973-02-21 1975-09-02 United Aircraft Corp Modular gearbox for a variable pitch fan propulsor
US3893789A (en) * 1973-02-21 1975-07-08 United Aircraft Corp Pitch change actuator for a variable pitch fan propulsor
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
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
US4047842A (en) * 1976-04-19 1977-09-13 Curtiss-Wright Corporation Variable pitch mechanism for fan blades
JPS5950898U (ja) * 1982-09-28 1984-04-04 社団法人日本航空宇宙工業会 回転翼のピッチ変換装置
US4523891A (en) * 1983-06-15 1985-06-18 United Technologies Corporation Propeller pitch change actuation system
US4591313A (en) * 1983-12-30 1986-05-27 The Boeing Company Propeller pitch control system and apparatus

Also Published As

Publication number Publication date
FR2604684B1 (fr) 1992-08-07
DE3733407A1 (de) 1988-04-14
JPS6397495A (ja) 1988-04-28
DE3733407C2 (de) 1998-07-09
JP2779803B2 (ja) 1998-07-23
US4753572A (en) 1988-06-28
GB8723091D0 (en) 1987-11-04
FR2604684A1 (fr) 1988-04-08
IT8722116A0 (it) 1987-10-02
GB2196064A (en) 1988-04-20
GB2196064B (en) 1990-08-22

Similar Documents

Publication Publication Date Title
IT1222809B (it) Apparecchio per attuare la variazione del passo delle pale di un'elica
IT8722756A0 (it) Sistema modulare di attuazione del passo delle pale di un'elica a passo variabile.
FR2577805B1 (fr) Composition de traitement de la peau a base de glucoside d'hydroquinone
FR2581542B1 (fr) Compositions topiques destinees au traitement de la peau a base de derives de l'acide salicylique
ES487266A0 (es) Un procedimiento para aumentar la solubilidad en agua de un producto proteico vegetal
IT8721845A0 (it) Meccanismo variatore di passo di pale.
IT8721847A0 (it) Meccanismo variatore di passo di pale.
MA20794A1 (fr) Perfectionnements apportes et se rattachant au procede d'obtention d'acide acetylsalicyclique
IT1206892B (it) Apparecchio per eseguire piegature
ES2054687T3 (es) Utilizacion de medetomidina en la fabricacion de un medicamento.
FR2600280B1 (fr) Groupe porte-lame perfectionne pour derouleuses rotatives pour la transformation d'une bille de bois en feuilles deroulees
MX163170B (es) Mejoras en aparato para medir la velocidad de un chorro
IT1223053B (it) Apparecchiatura e metodo di misura del passo di paletta di turbine
DE3760444D1 (en) Ship's propulsion plant comprising two adjustable pitch propellers
IT1108089B (it) Prodotto per promuovere la crescita delle piante
IT1163126B (it) Miglioramenti apportati agli impianti di trattamento di un prodotto in mezzo gassoso
FR2603886B1 (fr) Procede de preparation de carbonates d'alkenyle-1
IT8619903A1 (it) Procedimento per ottenere un estratto standardizzato di frutti di palma dotato di attivita' farmaceutica
FR2608891B1 (fr) Bac a plantes a reserves d'eau verticales demontables et eclairage
FR2595049B1 (fr) Structure de prises amovibles pour mur d'escalade
IT8622875A0 (it) Composizione per regolare la crescita delle piante.
IT1149399B (it) Procedimento per la produzione di 4-metossi-2'-/2-(1-metil-2-piperidil)etil/benzanilide avente attiva' di regolazione del ritmo cardiaco
IT8983630A0 (it) Dispositivo per variare il passo di un'elica con pale a bandiera.
IT1167633B (it) Dispositivo agitatore per evitare l'inceppamento delle biglie in apparecchi da gioco a biglie
FR2595353B1 (fr) Procede de preparation d'encainide