FR832689A - Hélice sustentatrice à pales réunies entre elles par des éléments de tension - Google Patents
Hélice sustentatrice à pales réunies entre elles par des éléments de tensionInfo
- Publication number
- FR832689A FR832689A FR832689DA FR832689A FR 832689 A FR832689 A FR 832689A FR 832689D A FR832689D A FR 832689DA FR 832689 A FR832689 A FR 832689A
- Authority
- FR
- France
- Prior art keywords
- joined together
- tension elements
- lifting propeller
- blades joined
- 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
Links
Classifications
-
- 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
- B64C27/30—Compound rotorcraft, i.e. aircraft using in flight the features of both aeroplane and rotorcraft with provision for reducing drag of inoperative rotor
-
- 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
- B64C27/04—Helicopters
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Toys (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEF83506D DE726978C (de) | 1937-08-17 | 1937-08-17 | Hubschrauber und Tragschrauber mit selbsttaetig regelbarer Blatteinstellung |
Publications (1)
Publication Number | Publication Date |
---|---|
FR832689A true FR832689A (fr) | 1938-09-30 |
Family
ID=7114100
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR832689D Expired FR832689A (fr) | 1937-08-17 | 1938-01-26 | Hélice sustentatrice à pales réunies entre elles par des éléments de tension |
FR836708D Expired FR836708A (fr) | 1937-08-17 | 1938-04-15 | Procédé et dispositif destinés au fonctionnement des hélicoptères |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR836708D Expired FR836708A (fr) | 1937-08-17 | 1938-04-15 | Procédé et dispositif destinés au fonctionnement des hélicoptères |
Country Status (3)
Country | Link |
---|---|
US (1) | US2209879A (fr) |
DE (1) | DE726978C (fr) |
FR (2) | FR832689A (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2524747A (en) * | 1943-08-13 | 1950-10-10 | Sperry Corp | Air speed indicating system |
US2531521A (en) * | 1943-10-16 | 1950-11-28 | Edwin A Link | Air-speed indicating system for rotary winged aircraft |
US2432348A (en) * | 1943-10-18 | 1947-12-09 | Edward A Stalker | Aircraft |
US2521684A (en) * | 1944-08-10 | 1950-09-12 | Sperry Corp | Rotary wing aircraft |
US2435080A (en) * | 1945-01-05 | 1948-01-27 | Walter S Hoover | Helicopter rotor control |
US2551979A (en) * | 1946-04-03 | 1951-05-08 | Honeywell Regulator Co | Coordinated speed and pressure control apparatus for combustion engines |
US2613751A (en) * | 1947-02-04 | 1952-10-14 | Curtiss Wright Corp | Helicopter control |
US2643724A (en) * | 1947-02-21 | 1953-06-30 | United Aircraft Corp | Helicopter rotor |
US2679298A (en) * | 1947-03-04 | 1954-05-25 | Wykes Frank | Propeller pitch control device responsive to air speed |
US2953207A (en) * | 1955-12-07 | 1960-09-20 | Boelkow Entwicklungen Kg | Control for helicopter rotors and the like |
US5607122A (en) * | 1994-12-22 | 1997-03-04 | Bell Helicopter Textron Inc. | Tail rotor authority control for a helicopter |
US20060049303A1 (en) * | 2004-08-23 | 2006-03-09 | Wilkerson Darrell W | Mechanical density altitude compensation device for helicopter tail rotors |
-
1937
- 1937-08-17 DE DEF83506D patent/DE726978C/de not_active Expired
-
1938
- 1938-01-26 FR FR832689D patent/FR832689A/fr not_active Expired
- 1938-04-15 FR FR836708D patent/FR836708A/fr not_active Expired
- 1938-05-19 US US208917A patent/US2209879A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE726978C (de) | 1942-10-23 |
US2209879A (en) | 1940-07-30 |
FR836708A (fr) | 1939-01-25 |
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