FR487967A - Hélice térébrante - Google Patents
Hélice térébranteInfo
- Publication number
- FR487967A FR487967A FR487967DA FR487967A FR 487967 A FR487967 A FR 487967A FR 487967D A FR487967D A FR 487967DA FR 487967 A FR487967 A FR 487967A
- Authority
- FR
- France
- Prior art keywords
- boring
- propeller
- boring 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
- B64C11/46—Arrangements of, or constructional features peculiar to, multiple propellers
- B64C11/48—Units of two or more coaxial propellers
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR487967T | 1917-12-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR487967A true FR487967A (fr) | 1918-08-09 |
Family
ID=1524380
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR487967D Expired FR487967A (fr) | 1917-12-12 | 1917-12-12 | Hélice térébrante |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR487967A (fr) |
-
1917
- 1917-12-12 FR FR487967D patent/FR487967A/fr not_active Expired
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