GB257922A - Improvement in flying machines - Google Patents
Improvement in flying machinesInfo
- Publication number
- GB257922A GB257922A GB21136/26A GB2113626A GB257922A GB 257922 A GB257922 A GB 257922A GB 21136/26 A GB21136/26 A GB 21136/26A GB 2113626 A GB2113626 A GB 2113626A GB 257922 A GB257922 A GB 257922A
- Authority
- GB
- United Kingdom
- Prior art keywords
- improvement
- flying machines
- gearing
- hallander
- aeria
- 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
- B64C23/00—Influencing air flow over aircraft surfaces, not otherwise provided for
- B64C23/005—Influencing air flow over aircraft surfaces, not otherwise provided for by other means not covered by groups B64C23/02 - B64C23/08, e.g. by electric charges, magnetic panels, piezoelectric elements, static charges or ultrasounds
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Motor Power Transmission Devices (AREA)
Abstract
257,922. Aktiebolaget Aeria, (Assignees of Hallander, J. A.). Sept. 7, 1925, [Convention date]. Propeller guards.-Coaxial right and lefthanded propellers 11, 12 separated bv non-rotary guide-blades 13 are driven through bevel gearing 19, shafts 20 and differential gearing 21 in opposite directions.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE257922X | 1925-09-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB257922A true GB257922A (en) | 1927-10-27 |
Family
ID=20306352
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB21136/26A Expired GB257922A (en) | 1925-09-07 | 1926-08-27 | Improvement in flying machines |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB257922A (en) |
-
1926
- 1926-08-27 GB GB21136/26A patent/GB257922A/en not_active Expired
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