IT1138938B - Sistema di posizionamento e blocco automatico di pale ripiegabili di un elicottero - Google Patents

Sistema di posizionamento e blocco automatico di pale ripiegabili di un elicottero

Info

Publication number
IT1138938B
IT1138938B IT24415/81A IT2441581A IT1138938B IT 1138938 B IT1138938 B IT 1138938B IT 24415/81 A IT24415/81 A IT 24415/81A IT 2441581 A IT2441581 A IT 2441581A IT 1138938 B IT1138938 B IT 1138938B
Authority
IT
Italy
Prior art keywords
helicopter
locking system
automatic positioning
folding blades
blades
Prior art date
Application number
IT24415/81A
Other languages
English (en)
Italian (it)
Other versions
IT8124415A0 (it
Inventor
Alexander Maclennan Roderick
Joseph Mulvey William
Wayne Fowler Donald
Charles Arifian Kenneth
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
Priority claimed from US06/195,723 external-priority patent/US4376979A/en
Priority claimed from US06/195,808 external-priority patent/US4354234A/en
Application filed by United Technologies Corp filed Critical United Technologies Corp
Publication of IT8124415A0 publication Critical patent/IT8124415A0/it
Application granted granted Critical
Publication of IT1138938B publication Critical patent/IT1138938B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/54—Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • B64C27/473—Constructional features
    • B64C27/50—Blades foldable to facilitate stowage of aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Toys (AREA)
  • Transmission Devices (AREA)
IT24415/81A 1980-10-10 1981-10-09 Sistema di posizionamento e blocco automatico di pale ripiegabili di un elicottero IT1138938B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/195,723 US4376979A (en) 1980-10-10 1980-10-10 Updated lock-positioning of foldable helicopter blades
US06/195,808 US4354234A (en) 1980-10-10 1980-10-10 Automatic lock-positioning of foldable helicopter blades

Publications (2)

Publication Number Publication Date
IT8124415A0 IT8124415A0 (it) 1981-10-09
IT1138938B true IT1138938B (it) 1986-09-17

Family

ID=26891271

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24415/81A IT1138938B (it) 1980-10-10 1981-10-09 Sistema di posizionamento e blocco automatico di pale ripiegabili di un elicottero

Country Status (8)

Country Link
AU (1) AU540743B2 (fr)
CA (1) CA1161413A (fr)
CH (1) CH652673A5 (fr)
DE (1) DE3139720C2 (fr)
ES (1) ES8206331A1 (fr)
FR (1) FR2491865A1 (fr)
GB (1) GB2085194B (fr)
IT (1) IT1138938B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4696445A (en) * 1986-09-18 1987-09-29 United Technologies Corporation Collective control system for a helicopter
AU587363B1 (en) * 1988-07-27 1989-08-10 Richard Henry Tollervey Improvements to helicopter rotor blades
FR2754779B1 (fr) * 1996-10-22 1998-12-31 Eurocopter France Procede de repliage des pales d'un rotor principal de giravion et dispositif de mise en oeuvre
FR2931132B1 (fr) 2008-05-19 2010-04-23 Eurocopter France Systeme de commande assiste d'un giravon
US9682771B2 (en) * 2013-08-14 2017-06-20 Sikorsky Aircraft Corporation Controlling rotor blades of a swashplateless rotor
CN114465065B (zh) * 2022-01-06 2023-11-03 广东汇天航空航天科技有限公司 飞行器主轴滑环装置、飞行器旋翼系统及飞行器
CN114802739B (zh) * 2022-06-09 2023-04-07 广东汇天航空航天科技有限公司 飞行器的旋翼定位方法、飞行器和存储介质

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3698662A (en) * 1970-10-12 1972-10-17 Lockheed Aircraft Corp Apparatus and method for sequencing the folding and unfolding of rotor blades in a compound vehicle
US4103848A (en) * 1977-03-08 1978-08-01 United Technologies Corporation Variable incidence helicopter stabilator and fail safe actuator
US4284387A (en) * 1979-05-02 1981-08-18 United Technologies Corp. Blade fold restraint system

Also Published As

Publication number Publication date
AU540743B2 (en) 1984-11-29
CH652673A5 (de) 1985-11-29
GB2085194B (en) 1984-03-07
FR2491865B1 (fr) 1983-12-23
ES506143A0 (es) 1982-08-16
CA1161413A (fr) 1984-01-31
ES8206331A1 (es) 1982-08-16
GB2085194A (en) 1982-04-21
DE3139720A1 (de) 1982-05-19
DE3139720C2 (de) 1994-02-10
FR2491865A1 (fr) 1982-04-16
IT8124415A0 (it) 1981-10-09
AU7622781A (en) 1982-04-22

Similar Documents

Publication Publication Date Title
ES525761A0 (es) Sistema para manipular un rotor de turbina
FR2510066B1 (fr) Pale aerodynamique
IT1162412B (it) Sistema per il controllo automatico di emodialisi
IT1129551B (it) Sistema per la polarizzazione automatica di un cinescopio
IT8021731A0 (it) Sistema di trattenimento e piegamento delle pale di un rotore di elicottero.
DE3152133A1 (de) Bird cutting plant
FI823816A0 (fi) Karm och baoge foer foenster eller doerrar
BR7901784A (pt) Sistema de transportador modular para armazens
IT1143320B (it) Sistema d antenna a schiera
FI823974A0 (fi) Automatisk skivningsmaskin foer salamikorv eller motsvarande produkter
IT1129118B (it) Sistema di sicurezza per persone a bordo di imbarcazioni
IT1138938B (it) Sistema di posizionamento e blocco automatico di pale ripiegabili di un elicottero
IT8147763A0 (it) Moschettone di sicurezza a chiusura automatica
FI823151A0 (fi) Foerfarande och anordning foer detektering av kvistar eller dylikt i saogat virke
IT8267081A0 (it) Sistema di fissaggio a nastro per pannolini
NO874660D0 (no) Fremgangsmaate for aa bestemme flyhoeyde for et luftfartoey.
IT1150489B (it) Sistema di turbina a gas
IT1167548B (it) Sistema di regolazione e di protezione di turbine
FI810186L (fi) Systems foer identifiering av foeremaol och personer och foer informationsoeverfoering
IT1194629B (it) Sistema di riscaldamento di un secchio di colata o siviera
BR8205211A (pt) Amplificador de regulagem para um circuito regulador de fases
IT1164441B (it) Sistema di identificazione automatica di un aereo
ES502236A0 (es) Sistema para la descompresion automatica de compresores
ES500917A0 (es) Un procedimiento para la preparacion de un sistema cataliti-co
BR8100351A (pt) Balanca automatica para liquidos

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950929