FR854865A - Improvements to propeller type motor devices - Google Patents

Improvements to propeller type motor devices

Info

Publication number
FR854865A
FR854865A FR854865DA FR854865A FR 854865 A FR854865 A FR 854865A FR 854865D A FR854865D A FR 854865DA FR 854865 A FR854865 A FR 854865A
Authority
FR
France
Prior art keywords
type motor
propeller type
motor devices
devices
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
Application number
Other languages
French (fr)
Inventor
Henri Levy
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 FR854865A publication Critical patent/FR854865A/en
Expired legal-status Critical Current

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)
FR854865D 1938-05-17 1939-05-16 Improvements to propeller type motor devices Expired FR854865A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU854865X 1938-05-17

Publications (1)

Publication Number Publication Date
FR854865A true FR854865A (en) 1940-04-26

Family

ID=19734310

Family Applications (1)

Application Number Title Priority Date Filing Date
FR854865D Expired FR854865A (en) 1938-05-17 1939-05-16 Improvements to propeller type motor devices

Country Status (1)

Country Link
FR (1) FR854865A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1270958B (en) * 1958-12-19 1968-06-20 United Aircraft Corp Propeller assembly for aircraft
US4729714A (en) * 1985-05-02 1988-03-08 Papst-Motoren Gmbh & Co. Kg Built-in fan
WO2000047469A1 (en) * 1999-02-09 2000-08-17 Advanced Technologies Group Limited Duplex coned propellers for airship propulsion/control

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1270958B (en) * 1958-12-19 1968-06-20 United Aircraft Corp Propeller assembly for aircraft
US4729714A (en) * 1985-05-02 1988-03-08 Papst-Motoren Gmbh & Co. Kg Built-in fan
WO2000047469A1 (en) * 1999-02-09 2000-08-17 Advanced Technologies Group Limited Duplex coned propellers for airship propulsion/control

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