FR2597996B1 - Dispositif de commande du rotor d'un helicoptere - Google Patents
Dispositif de commande du rotor d'un helicoptereInfo
- Publication number
- FR2597996B1 FR2597996B1 FR878700791A FR8700791A FR2597996B1 FR 2597996 B1 FR2597996 B1 FR 2597996B1 FR 878700791 A FR878700791 A FR 878700791A FR 8700791 A FR8700791 A FR 8700791A FR 2597996 B1 FR2597996 B1 FR 2597996B1
- Authority
- FR
- France
- Prior art keywords
- helicopter
- rotor
- controlling
- 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.)
- Expired
Links
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/22—Compound rotorcraft, i.e. aircraft using in flight the features of both aeroplane and rotorcraft
- B64C27/24—Compound rotorcraft, i.e. aircraft using in flight the features of both aeroplane and rotorcraft with rotor blades fixed in flight to act as lifting surfaces
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/822,353 US4678401A (en) | 1986-01-24 | 1986-01-24 | Rotor control system |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2597996A1 FR2597996A1 (fr) | 1987-10-30 |
FR2597996B1 true FR2597996B1 (fr) | 1989-08-25 |
Family
ID=25235787
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR878700791A Expired FR2597996B1 (fr) | 1986-01-24 | 1987-01-23 | Dispositif de commande du rotor d'un helicoptere |
Country Status (5)
Country | Link |
---|---|
US (1) | US4678401A (fr) |
DE (1) | DE3701785A1 (fr) |
FR (1) | FR2597996B1 (fr) |
GB (1) | GB2185830B (fr) |
IT (1) | IT1201189B (fr) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4980835A (en) * | 1988-10-13 | 1990-12-25 | United Technologies Corporation | Control law system for X-Wing aircraft |
US4953098A (en) * | 1988-10-13 | 1990-08-28 | United Technologies Corporation | Higher harmonic control system for X-Wing aircraft |
US4965879A (en) * | 1988-10-13 | 1990-10-23 | United Technologies Corporation | X-wing fly-by-wire vehicle management system |
US5246188A (en) * | 1989-09-14 | 1993-09-21 | Koutsoupidis Theodore K | Wing turbines in conjuction with propulsion systems for aircraft and helicopters |
US5183387A (en) * | 1992-01-03 | 1993-02-02 | Allied-Signal, Inc. | Fault-tolerant apparatus for controlling blade pitch |
BR9607670A (pt) * | 1995-09-13 | 1999-11-30 | Melvin D Kyees | Aparelho para refrigerar fluìdos |
US6193464B1 (en) * | 1998-12-02 | 2001-02-27 | Mcdonnell Douglas Helicopter Company, | Active brake control for rotor/wing aircraft |
US7161314B2 (en) * | 2002-10-07 | 2007-01-09 | Denso Corporation | Motor control apparatus having current supply phase correction |
DE102006028671A1 (de) * | 2006-06-22 | 2007-12-27 | Siemens Ag | Geregelte Rotorbremse |
US8919692B2 (en) | 2009-04-28 | 2014-12-30 | Sikorsky Aircraft Corporation | Proximity sensor valve and lock system using same |
US9068818B2 (en) * | 2010-02-24 | 2015-06-30 | Sikorsky Aircraft Corporation | Drive mechanisms for variable diameter rotor systems |
US8680849B2 (en) | 2011-03-01 | 2014-03-25 | Hamilton Sundstrand Corporation | Spring loaded gear driven resolver |
US8768598B2 (en) * | 2011-12-26 | 2014-07-01 | Textron Innovations Inc. | Dual gain digital engine control |
US9975629B2 (en) * | 2016-05-24 | 2018-05-22 | Kitty Hawk Corporation | Control system for a stopped rotor aircraft |
US9944387B2 (en) | 2016-05-24 | 2018-04-17 | Kitty Hawk Corporation | Stopped rotor aircraft |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2880810A (en) * | 1955-03-03 | 1959-04-07 | United Aircraft Corp | Blade positioner |
CA909364A (en) * | 1969-02-04 | 1972-09-05 | William L. Carter, Jr. | Acceleration reference circuit |
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 |
US3986686A (en) * | 1975-06-02 | 1976-10-19 | Teledyne Ryan Aeronautical A Division Of Teledyne Industries, Inc. | Aircraft with retractable rotor wing |
US4046229A (en) * | 1975-12-12 | 1977-09-06 | Westinghouse Electric Corporation | Elevator system |
WO1980002135A1 (fr) * | 1979-04-05 | 1980-10-16 | Otis Elevator Co | Systeme modifie de ralentissement et de freinage d'une cabine d'ascenseur |
US4342378A (en) * | 1979-12-27 | 1982-08-03 | Otis Elevator Company | Elevator door motion bench velocity |
JPS5697106A (en) * | 1979-12-31 | 1981-08-05 | Fanuc Ltd | Controller for stopping in place for main shaft |
US4376979A (en) * | 1980-10-10 | 1983-03-15 | United Technologies Corporation | Updated lock-positioning of foldable helicopter blades |
US4354234A (en) * | 1980-10-10 | 1982-10-12 | United Technologies Corporation | Automatic lock-positioning of foldable helicopter blades |
-
1986
- 1986-01-24 US US06/822,353 patent/US4678401A/en not_active Expired - Fee Related
-
1987
- 1987-01-20 GB GB8701207A patent/GB2185830B/en not_active Expired
- 1987-01-22 DE DE19873701785 patent/DE3701785A1/de not_active Withdrawn
- 1987-01-23 FR FR878700791A patent/FR2597996B1/fr not_active Expired
- 1987-01-23 IT IT19140/87A patent/IT1201189B/it active
Also Published As
Publication number | Publication date |
---|---|
DE3701785A1 (de) | 1987-07-30 |
IT1201189B (it) | 1989-01-27 |
GB2185830A (en) | 1987-07-29 |
GB2185830B (en) | 1989-12-06 |
GB8701207D0 (en) | 1987-02-25 |
FR2597996A1 (fr) | 1987-10-30 |
IT8719140A0 (it) | 1987-01-23 |
US4678401A (en) | 1987-07-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |