FR2624474B1 - MULTICYCLIC CONTROL OF ROTOR BLADES - Google Patents
MULTICYCLIC CONTROL OF ROTOR BLADESInfo
- Publication number
- FR2624474B1 FR2624474B1 FR888816156A FR8816156A FR2624474B1 FR 2624474 B1 FR2624474 B1 FR 2624474B1 FR 888816156 A FR888816156 A FR 888816156A FR 8816156 A FR8816156 A FR 8816156A FR 2624474 B1 FR2624474 B1 FR 2624474B1
- Authority
- FR
- France
- Prior art keywords
- rotor blades
- multicyclic control
- multicyclic
- control
- blades
- 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 - Lifetime
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
- B64C27/58—Transmitting means, e.g. interrelated with initiating means or means acting on blades
- B64C27/64—Transmitting means, e.g. interrelated with initiating means or means acting on blades using fluid pressure, e.g. having fluid power amplification
-
- 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
- B64C27/72—Means acting on blades
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/30—Wing lift efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Hydraulic Motors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3741711 | 1987-12-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2624474A1 FR2624474A1 (en) | 1989-06-16 |
FR2624474B1 true FR2624474B1 (en) | 1992-05-29 |
Family
ID=6342204
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR888816156A Expired - Lifetime FR2624474B1 (en) | 1987-12-09 | 1988-12-08 | MULTICYCLIC CONTROL OF ROTOR BLADES |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR2624474B1 (en) |
GB (1) | GB2213448B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6354536B1 (en) * | 2000-08-08 | 2002-03-12 | Sikorsky Aircraft Corporation | Rotor hub mounted actuator for controlling a blade on a rotorcraft |
US9061760B2 (en) | 2012-08-02 | 2015-06-23 | Bell Helicopter Textron Inc. | Independent blade control system with rotary blade actuator |
US8973864B2 (en) | 2012-08-02 | 2015-03-10 | Bell Helicopter Textron Inc. | Independent blade control system with hydraulic cyclic control |
US8857757B2 (en) | 2012-08-02 | 2014-10-14 | Bell Helicopter Textron Inc. | Independent blade control system with hydraulic pitch link |
US9376205B2 (en) * | 2012-08-02 | 2016-06-28 | Bell Helicopter Textron Inc. | Radial fluid device with variable phase and amplitude |
US9162760B2 (en) * | 2012-08-02 | 2015-10-20 | Bell Helicopter Textron Inc. | Radial fluid device with multi-harmonic output |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1242886A (en) * | 1958-07-12 | 1960-10-07 | Reiners & Wiggermann | Continuously adjustable delivery machine comprising several chambers, in particular piston machine with several cylinders |
FR1307852A (en) * | 1961-12-12 | 1962-10-26 | Ernest H Fischer S Sohne Ag | Hydraulic radial piston machine |
US3816019A (en) * | 1972-08-24 | 1974-06-11 | Us Navy | Cam type air control valves |
US4132500A (en) * | 1977-05-18 | 1979-01-02 | The United States Of America As Represented By The Secretary Of The Navy | Controllable and programmable fluid flow modulation system |
US4379678A (en) * | 1980-10-07 | 1983-04-12 | Textron, Inc. | Individual blade control |
-
1988
- 1988-12-07 GB GB8828613A patent/GB2213448B/en not_active Expired - Lifetime
- 1988-12-08 FR FR888816156A patent/FR2624474B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB8828613D0 (en) | 1989-01-11 |
GB2213448B (en) | 1991-11-13 |
GB2213448A (en) | 1989-08-16 |
FR2624474A1 (en) | 1989-06-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CA | Change of address | ||
CD | Change of name or company name |