FR423607A - Device for improving the efficiency of air and marine propellers - Google Patents

Device for improving the efficiency of air and marine propellers

Info

Publication number
FR423607A
FR423607A FR423607DA FR423607A FR 423607 A FR423607 A FR 423607A FR 423607D A FR423607D A FR 423607DA FR 423607 A FR423607 A FR 423607A
Authority
FR
France
Prior art keywords
improving
efficiency
air
marine propellers
propellers
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
Joseph-Felix Boissie
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.)
JOSEPH FELIX BOISSIE
Original Assignee
JOSEPH FELIX BOISSIE
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 JOSEPH FELIX BOISSIE filed Critical JOSEPH FELIX BOISSIE
Application granted granted Critical
Publication of FR423607A publication Critical patent/FR423607A/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
    • B64C11/16—Blades

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR423607D 1910-12-09 1910-12-09 Device for improving the efficiency of air and marine propellers Expired FR423607A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR423607T 1910-12-09

Publications (1)

Publication Number Publication Date
FR423607A true FR423607A (en) 1911-04-22

Family

ID=1466441

Family Applications (1)

Application Number Title Priority Date Filing Date
FR423607D Expired FR423607A (en) 1910-12-09 1910-12-09 Device for improving the efficiency of air and marine propellers

Country Status (1)

Country Link
FR (1) FR423607A (en)

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