FR820131A - Propeller with decreasing pitch and increasing surface - Google Patents
Propeller with decreasing pitch and increasing surfaceInfo
- Publication number
- FR820131A FR820131A FR820131DA FR820131A FR 820131 A FR820131 A FR 820131A FR 820131D A FR820131D A FR 820131DA FR 820131 A FR820131 A FR 820131A
- Authority
- FR
- France
- Prior art keywords
- propeller
- increasing surface
- decreasing pitch
- pitch
- decreasing
- 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
- B64C11/16—Blades
- B64C11/18—Aerodynamic features
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR820131T | 1936-07-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR820131A true FR820131A (en) | 1937-11-04 |
Family
ID=9270394
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR820131D Expired FR820131A (en) | 1936-07-07 | 1936-07-07 | Propeller with decreasing pitch and increasing surface |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR820131A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3066742A (en) * | 1957-01-11 | 1962-12-04 | Georgia Tech Res Inst | Rotor blade |
US3168235A (en) * | 1958-12-12 | 1965-02-02 | Lyonnaise Ventilation | Helicoidal fans |
EP1953083A1 (en) * | 2005-11-01 | 2008-08-06 | Global Energy Co., Ltd. | Quiet propeller |
-
1936
- 1936-07-07 FR FR820131D patent/FR820131A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3066742A (en) * | 1957-01-11 | 1962-12-04 | Georgia Tech Res Inst | Rotor blade |
US3168235A (en) * | 1958-12-12 | 1965-02-02 | Lyonnaise Ventilation | Helicoidal fans |
EP1953083A1 (en) * | 2005-11-01 | 2008-08-06 | Global Energy Co., Ltd. | Quiet propeller |
EP1953083A4 (en) * | 2005-11-01 | 2012-03-14 | Bellsion Kk | Quiet propeller |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR876749A (en) | Variable pitch propeller | |
FR819581A (en) | Variable pitch propeller | |
FR752142A (en) | Variable and constant pitch propeller | |
FR789794A (en) | Variable pitch propeller | |
FR820131A (en) | Propeller with decreasing pitch and increasing surface | |
FR811726A (en) | Automatic variable pitch propeller | |
FR814570A (en) | Airplane propeller with automatically adjustable pitch | |
FR799235A (en) | Variable pitch propeller | |
FR820653A (en) | Variable pitch propeller with hydraulic adjustment | |
FR843495A (en) | Automatically variable pitch propeller | |
FR805813A (en) | Automatically variable pitch propeller | |
FR733739A (en) | Variable pitch propeller | |
FR47646E (en) | Variable pitch propeller | |
FR796083A (en) | Variable pitch propeller | |
FR826111A (en) | Variable pitch propeller in flight | |
FR813654A (en) | Improvements to variable and reversible pitch aerial propellers | |
FR768302A (en) | Variable pitch propeller in flight | |
FR811118A (en) | Adjustable pitch propeller | |
FR836331A (en) | Variable pitch aerial propeller | |
FR787622A (en) | Variable pitch propeller in flight | |
FR785867A (en) | Variable pitch propeller | |
FR727446A (en) | Variable pitch propeller | |
FR834618A (en) | Variable pitch propeller | |
FR791838A (en) | Automatically variable pitch propeller | |
FR803394A (en) | Variable pitch propeller |