FR726221A - Hélice aérienne - Google Patents
Hélice aérienneInfo
- Publication number
- FR726221A FR726221A FR726221DA FR726221A FR 726221 A FR726221 A FR 726221A FR 726221D A FR726221D A FR 726221DA FR 726221 A FR726221 A FR 726221A
- Authority
- FR
- France
- Prior art keywords
- aerial propeller
- propeller
- aerial
- 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
- B64C11/346—Blade pitch-changing mechanisms mechanical automatic actuated by the centrifugal force or the aerodynamic drag acting on auxiliary masses or surfaces
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 |
|---|---|---|---|
| IT726221X | 1930-11-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR726221A true FR726221A (fr) | 1932-05-25 |
Family
ID=11315103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR726221D Expired FR726221A (fr) | 1930-11-14 | 1931-11-13 | Hélice aérienne |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR726221A (fr) |
-
1931
- 1931-11-13 FR FR726221D patent/FR726221A/fr not_active Expired
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR705003A (fr) | Propulseur aérien | |
| FR719758A (fr) | Perfectionnements aux hélices aériennes | |
| FR696860A (fr) | Bateau glisseur | |
| FR705834A (fr) | Hélice | |
| FR690041A (fr) | Hélice perfectionnée | |
| FR702348A (fr) | Bateau | |
| FR706340A (fr) | Hélice | |
| FR726221A (fr) | Hélice aérienne | |
| FR718489A (fr) | Propulseur pour aéronefs | |
| FR719239A (fr) | Hélice métallique creuse | |
| FR654224A (fr) | Hélice aérienne | |
| FR705168A (fr) | Parachute | |
| FR691956A (fr) | Parachute | |
| FR715259A (fr) | Parachute | |
| FR716419A (fr) | Hélice | |
| FI13099A (fi) | Propeller | |
| FR706025A (fr) | Hélices | |
| FR720679A (fr) | Fusée | |
| FR725731A (fr) | Bateau-jouet | |
| FR731437A (fr) | Hélice aérienne | |
| FR689198A (fr) | Aéroplane | |
| FR700438A (fr) | Parachute | |
| FR705596A (fr) | Parachute | |
| FR720775A (fr) | Esquif aérien | |
| FR709115A (fr) | Propulseur |