GB257922A - Improvement in flying machines - Google Patents

Improvement in flying machines

Info

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
Application number
GB21136/26A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AERIA AB
Original Assignee
AERIA AB
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by AERIA AB filed Critical AERIA AB
Publication of GB257922A publication Critical patent/GB257922A/en
Expired legal-status Critical Current

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.
GB21136/26A 1925-09-07 1926-08-27 Improvement in flying machines Expired GB257922A (en)

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)

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