ES506143A0 - Perfeccionamientos en los dispositivos de posicionado e in- movilizacion automatico de palas plegables de helicoptero - Google Patents

Perfeccionamientos en los dispositivos de posicionado e in- movilizacion automatico de palas plegables de helicoptero

Info

Publication number
ES506143A0
ES506143A0 ES506143A ES506143A ES506143A0 ES 506143 A0 ES506143 A0 ES 506143A0 ES 506143 A ES506143 A ES 506143A ES 506143 A ES506143 A ES 506143A ES 506143 A0 ES506143 A0 ES 506143A0
Authority
ES
Spain
Prior art keywords
automatic positioning
helicopter blades
immobilization devices
folding
folding helicopter
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.)
Granted
Application number
ES506143A
Other languages
English (en)
Spanish (es)
Other versions
ES8206331A1 (es
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 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 ES8206331A1 publication Critical patent/ES8206331A1/es
Publication of ES506143A0 publication Critical patent/ES506143A0/es
Granted legal-status Critical Current

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)
ES506143A 1980-10-10 1981-10-09 Perfeccionamientos en los dispositivos de posicionado e in- movilizacion automatico de palas plegables de helicoptero Granted ES506143A0 (es)

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
ES8206331A1 ES8206331A1 (es) 1982-08-16
ES506143A0 true ES506143A0 (es) 1982-08-16

Family

ID=26891271

Family Applications (1)

Application Number Title Priority Date Filing Date
ES506143A Granted ES506143A0 (es) 1980-10-10 1981-10-09 Perfeccionamientos en los dispositivos de posicionado e in- movilizacion automatico de palas plegables de helicoptero

Country Status (8)

Country Link
AU (1) AU540743B2 (enExample)
CA (1) CA1161413A (enExample)
CH (1) CH652673A5 (enExample)
DE (1) DE3139720C2 (enExample)
ES (1) ES506143A0 (enExample)
FR (1) FR2491865A1 (enExample)
GB (1) GB2085194B (enExample)
IT (1) IT1138938B (enExample)

Families Citing this family (10)

* 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
USD523341S1 (en) * 2004-01-21 2006-06-20 Ball Corporation Bottle
USD528003S1 (en) * 2004-01-21 2006-09-12 Broomfield Bottle
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
CN114692291B (zh) * 2021-12-29 2024-09-06 中国航空工业集团公司西安飞机设计研究所 一种考虑重心影响的螺旋桨飞机纵向气动力配平方法
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
IT8124415A0 (it) 1981-10-09
DE3139720A1 (de) 1982-05-19
CA1161413A (en) 1984-01-31
AU540743B2 (en) 1984-11-29
GB2085194A (en) 1982-04-21
FR2491865B1 (enExample) 1983-12-23
FR2491865A1 (fr) 1982-04-16
AU7622781A (en) 1982-04-22
DE3139720C2 (de) 1994-02-10
GB2085194B (en) 1984-03-07
ES8206331A1 (es) 1982-08-16
IT1138938B (it) 1986-09-17
CH652673A5 (de) 1985-11-29

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19990503