FR920820A - Perfectionnement aux hélices - Google Patents

Perfectionnement aux hélices

Info

Publication number
FR920820A
FR920820A FR920820DA FR920820A FR 920820 A FR920820 A FR 920820A FR 920820D A FR920820D A FR 920820DA FR 920820 A FR920820 A FR 920820A
Authority
FR
France
Prior art keywords
propeller
improvement
propeller improvement
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
Other languages
English (en)
Inventor
Alexandre Kogan
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 filed Critical
Application granted granted Critical
Publication of FR920820A publication Critical patent/FR920820A/fr
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C11/00Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/001Shrouded propellers

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR920820D 1945-10-12 1945-10-12 Perfectionnement aux hélices Expired FR920820A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR920820T 1945-10-12

Publications (1)

Publication Number Publication Date
FR920820A true FR920820A (fr) 1947-04-18

Family

ID=9431486

Family Applications (1)

Application Number Title Priority Date Filing Date
FR920820D Expired FR920820A (fr) 1945-10-12 1945-10-12 Perfectionnement aux hélices

Country Status (1)

Country Link
FR (1) FR920820A (fr)

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