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 helicopteroInfo
- 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
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/195,808 US4354234A (en) | 1980-10-10 | 1980-10-10 | Automatic lock-positioning of foldable helicopter blades |
US06/195,723 US4376979A (en) | 1980-10-10 | 1980-10-10 | Updated 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 (es) |
CA (1) | CA1161413A (es) |
CH (1) | CH652673A5 (es) |
DE (1) | DE3139720C2 (es) |
ES (1) | ES506143A0 (es) |
FR (1) | FR2491865A1 (es) |
GB (1) | GB2085194B (es) |
IT (1) | IT1138938B (es) |
Families Citing this family (8)
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 |
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)
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 |
-
1981
- 1981-09-17 CA CA000386099A patent/CA1161413A/en not_active Expired
- 1981-10-01 GB GB8129608A patent/GB2085194B/en not_active Expired
- 1981-10-06 DE DE3139720A patent/DE3139720C2/de not_active Expired - Fee Related
- 1981-10-09 AU AU76227/81A patent/AU540743B2/en not_active Ceased
- 1981-10-09 IT IT24415/81A patent/IT1138938B/it active
- 1981-10-09 ES ES506143A patent/ES506143A0/es active Granted
- 1981-10-09 CH CH6471/81A patent/CH652673A5/de not_active IP Right Cessation
- 1981-10-12 FR FR8119141A patent/FR2491865A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
AU7622781A (en) | 1982-04-22 |
DE3139720A1 (de) | 1982-05-19 |
GB2085194A (en) | 1982-04-21 |
FR2491865A1 (fr) | 1982-04-16 |
IT8124415A0 (it) | 1981-10-09 |
ES8206331A1 (es) | 1982-08-16 |
AU540743B2 (en) | 1984-11-29 |
FR2491865B1 (es) | 1983-12-23 |
CA1161413A (en) | 1984-01-31 |
DE3139720C2 (de) | 1994-02-10 |
IT1138938B (it) | 1986-09-17 |
CH652673A5 (de) | 1985-11-29 |
GB2085194B (en) | 1984-03-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19990503 |