FR938813A - Hélice - Google Patents
HéliceInfo
- Publication number
- FR938813A FR938813A FR938813DA FR938813A FR 938813 A FR938813 A FR 938813A FR 938813D A FR938813D A FR 938813DA FR 938813 A FR938813 A FR 938813A
- Authority
- FR
- France
- Prior art keywords
- propeller
- 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
- B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
- B64C11/30—Blade pitch-changing mechanisms
- B64C11/32—Blade pitch-changing mechanisms mechanical
- B64C11/34—Blade pitch-changing mechanisms mechanical automatic
- B64C11/343—Blade pitch-changing mechanisms mechanical automatic actuated by the centrifugal force or the aerodynamic drag acting on the blades
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US938813XA | 1940-05-03 | 1940-05-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR938813A true FR938813A (fr) | 1948-10-26 |
Family
ID=22241494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR938813D Expired FR938813A (fr) | 1940-05-03 | 1946-11-21 | Hélice |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR938813A (fr) |
-
1946
- 1946-11-21 FR FR938813D patent/FR938813A/fr not_active Expired
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