FR498386A - Perfectionnements aux hélices - Google Patents

Perfectionnements aux hélices

Info

Publication number
FR498386A
FR498386A FR498386A FR498386DA FR498386A FR 498386 A FR498386 A FR 498386A FR 498386 A FR498386 A FR 498386A FR 498386D A FR498386D A FR 498386DA FR 498386 A FR498386 A FR 498386A
Authority
FR
France
Prior art keywords
refinements
propeller
propeller refinements
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
FR498386A
Other languages
English (en)
Inventor
Ernest Abington Vessey
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR498386A publication Critical patent/FR498386A/fr
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
    • B64C11/30—Blade pitch-changing mechanisms
    • B64C11/32—Blade pitch-changing mechanisms mechanical
    • B64C11/36—Blade pitch-changing mechanisms mechanical non-automatic
FR498386A 1917-11-30 1919-04-15 Perfectionnements aux hélices Expired FR498386A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB498386X 1917-11-30

Publications (1)

Publication Number Publication Date
FR498386A true FR498386A (fr) 1920-01-09

Family

ID=1533616

Family Applications (1)

Application Number Title Priority Date Filing Date
FR498386A Expired FR498386A (fr) 1917-11-30 1919-04-15 Perfectionnements aux hélices

Country Status (1)

Country Link
FR (1) FR498386A (fr)

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