FR1420921A - Rotor à pales tournantes, destiné surtout à des hélicoptères - Google Patents
Rotor à pales tournantes, destiné surtout à des hélicoptèresInfo
- Publication number
- FR1420921A FR1420921A FR1975A FR1975A FR1420921A FR 1420921 A FR1420921 A FR 1420921A FR 1975 A FR1975 A FR 1975A FR 1975 A FR1975 A FR 1975A FR 1420921 A FR1420921 A FR 1420921A
- Authority
- FR
- France
- Prior art keywords
- helicopters
- rotor
- rotating blades
- mainly intended
- mainly
- 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
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/26—Fluid-pressure drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q39/00—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation
- B23Q39/04—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation the sub-assemblies being arranged to operate simultaneously at different stations, e.g. with an annular work-table moved in steps
- B23Q39/042—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation the sub-assemblies being arranged to operate simultaneously at different stations, e.g. with an annular work-table moved in steps with circular arrangement of the sub-assemblies
-
- 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
- B64C27/54—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
- B64C27/59—Transmitting means, e.g. interrelated with initiating means or means acting on blades mechanical
- B64C27/635—Transmitting means, e.g. interrelated with initiating means or means acting on blades mechanical specially for controlling lag-lead movements of blades
-
- 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
-
- G—PHYSICS
- G04—HOROLOGY
- G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
- G04D1/00—Gripping, holding, or supporting devices
- G04D1/005—Gripping, holding, or supporting devices for non-automatic assembly, with automatic transport between workbenches
- G04D1/0064—Turntables or plates (carousels)
-
- G—PHYSICS
- G04—HOROLOGY
- G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
- G04D3/00—Watchmakers' or watch-repairers' machines or tools for working materials
- G04D3/0002—Watchmakers' or watch-repairers' machines or tools for working materials for mechanical working other than with a lathe
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fluid-Pressure Circuits (AREA)
- Fluid-Damping Devices (AREA)
- Actuator (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEB75015A DE1241272B (de) | 1964-01-16 | 1964-01-16 | Steuereinrichtung fuer einen Drehfluegelrotor mit nach Art eines frei schwingenden Zentrifugalpendels schwenkbar angelenkten Rotorblaettern |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1420921A true FR1420921A (fr) | 1965-12-10 |
Family
ID=6978491
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1975A Expired FR1420921A (fr) | 1964-01-16 | 1965-01-14 | Rotor à pales tournantes, destiné surtout à des hélicoptères |
Country Status (4)
Country | Link |
---|---|
US (1) | US3303887A (fr) |
DE (1) | DE1241272B (fr) |
FR (1) | FR1420921A (fr) |
GB (1) | GB1090915A (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3448811A (en) * | 1968-01-09 | 1969-06-10 | Bolkow Gmbh | Device for stabilizing the rotor blades of a rotary wing aircraft |
US3647315A (en) * | 1969-11-28 | 1972-03-07 | Lockheed Aircraft Corp | Rotor blade pitch control by mechanical hydraulic system sensing blade deflection |
US4534704A (en) * | 1983-02-08 | 1985-08-13 | The Boeing Company | Helicopter rotor control system with integrated hub |
US4695226A (en) * | 1983-11-07 | 1987-09-22 | United Technologies Corporation | Helicopter rotor backup damper system |
US4548238A (en) * | 1983-12-19 | 1985-10-22 | Chorkey William J | Directional control valve with straight through flow |
FR2636595B1 (fr) * | 1988-09-16 | 1990-12-21 | Aerospatiale | Dispositif de commande individuelle du pas des pales de rotors de giravions, par verins lineaires tournants |
US7828525B2 (en) | 2003-08-27 | 2010-11-09 | Bell Helicopter Textron Inc. | Soft in-plane tiltrotor hub |
FR2968633B1 (fr) * | 2010-12-09 | 2013-08-23 | Altade | Rotor d'aeronef a ailes rotatives |
CA2828087C (fr) | 2011-02-24 | 2016-08-09 | Bell Helicopter Textron Inc. | Systeme d'amortissement utilisant un fluide s'adaptant a la temperature |
US11697492B2 (en) | 2020-04-09 | 2023-07-11 | Roller Bearing Company Of America, Inc. | Rotor blade lead-lag hydraulic damper with centrifugal force compensating damping characteristics |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2919081A (en) * | 1957-02-25 | 1959-12-29 | Vyzk A Zkusebni Letecky Ustav | Stabilizing system for helicopter aircraft |
US3050276A (en) * | 1958-09-02 | 1962-08-21 | United Aircraft Corp | Automatic stabilization device |
US3204701A (en) * | 1962-10-12 | 1965-09-07 | Bolkow Entwicklungen Kg | Helicopter rotor construction |
-
1964
- 1964-01-16 DE DEB75015A patent/DE1241272B/de active Pending
-
1965
- 1965-01-14 FR FR1975A patent/FR1420921A/fr not_active Expired
- 1965-01-18 GB GB2136/65A patent/GB1090915A/en not_active Expired
- 1965-01-18 US US426148A patent/US3303887A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US3303887A (en) | 1967-02-14 |
GB1090915A (en) | 1967-11-15 |
DE1241272B (de) | 1967-05-24 |
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