FR561883A - Device intended to increase the efficiency of an active surface moving in a fluid and various applications of this device - Google Patents
Device intended to increase the efficiency of an active surface moving in a fluid and various applications of this deviceInfo
- Publication number
- FR561883A FR561883A FR561883DA FR561883A FR 561883 A FR561883 A FR 561883A FR 561883D A FR561883D A FR 561883DA FR 561883 A FR561883 A FR 561883A
- Authority
- FR
- France
- Prior art keywords
- fluid
- efficiency
- increase
- various applications
- active surface
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR561883T | 1923-02-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR561883A true FR561883A (en) | 1923-10-30 |
Family
ID=8943925
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR561883D Expired FR561883A (en) | 1923-02-07 | 1923-02-07 | Device intended to increase the efficiency of an active surface moving in a fluid and various applications of this device |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR561883A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1097285B (en) * | 1958-03-13 | 1961-01-12 | Ludwig Hoffmann Dipl Ing | End plate for propeller wing |
DE1134593B (en) * | 1960-11-14 | 1962-08-09 | Boelkow Entwicklungen Kg | Rotor for rotary wing aircraft |
US3369775A (en) * | 1965-01-11 | 1968-02-20 | Scott C. Rethorst | Aircraft wing system having zero induced drag |
US4264043A (en) * | 1976-06-14 | 1981-04-28 | Walker Robert A | Stabilizer for aerospace vehicles |
-
1923
- 1923-02-07 FR FR561883D patent/FR561883A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1097285B (en) * | 1958-03-13 | 1961-01-12 | Ludwig Hoffmann Dipl Ing | End plate for propeller wing |
DE1134593B (en) * | 1960-11-14 | 1962-08-09 | Boelkow Entwicklungen Kg | Rotor for rotary wing aircraft |
US3369775A (en) * | 1965-01-11 | 1968-02-20 | Scott C. Rethorst | Aircraft wing system having zero induced drag |
US4264043A (en) * | 1976-06-14 | 1981-04-28 | Walker Robert A | Stabilizer for aerospace vehicles |
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