FR487967A - Hélice térébrante - Google Patents

Hélice térébrante

Info

Publication number
FR487967A
FR487967A FR487967DA FR487967A FR 487967 A FR487967 A FR 487967A FR 487967D A FR487967D A FR 487967DA FR 487967 A FR487967 A FR 487967A
Authority
FR
France
Prior art keywords
boring
propeller
boring 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
English (en)
Inventor
Pierre-Stephen Artault De Vevey
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.)
PIERRE STEPHEN ARTAULT DE VEVE
Original Assignee
PIERRE STEPHEN ARTAULT DE VEVE
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 PIERRE STEPHEN ARTAULT DE VEVE filed Critical PIERRE STEPHEN ARTAULT DE VEVE
Application granted granted Critical
Publication of FR487967A publication Critical patent/FR487967A/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
    • B64C11/46—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)
FR487967D 1917-12-12 1917-12-12 Hélice térébrante Expired FR487967A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR487967T 1917-12-12

Publications (1)

Publication Number Publication Date
FR487967A true FR487967A (fr) 1918-08-09

Family

ID=1524380

Family Applications (1)

Application Number Title Priority Date Filing Date
FR487967D Expired FR487967A (fr) 1917-12-12 1917-12-12 Hélice térébrante

Country Status (1)

Country Link
FR (1) FR487967A (fr)

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