FR820131A - Propeller with decreasing pitch and increasing surface - Google Patents

Propeller with decreasing pitch and increasing surface

Info

Publication number
FR820131A
FR820131A FR820131DA FR820131A FR 820131 A FR820131 A FR 820131A FR 820131D A FR820131D A FR 820131DA FR 820131 A FR820131 A FR 820131A
Authority
FR
France
Prior art keywords
propeller
increasing surface
decreasing pitch
pitch
decreasing
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 Pierre Theodore Labat
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 FR820131A publication Critical patent/FR820131A/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
    • B64C11/18—Aerodynamic features

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR820131D 1936-07-07 1936-07-07 Propeller with decreasing pitch and increasing surface Expired FR820131A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR820131T 1936-07-07

Publications (1)

Publication Number Publication Date
FR820131A true FR820131A (en) 1937-11-04

Family

ID=9270394

Family Applications (1)

Application Number Title Priority Date Filing Date
FR820131D Expired FR820131A (en) 1936-07-07 1936-07-07 Propeller with decreasing pitch and increasing surface

Country Status (1)

Country Link
FR (1) FR820131A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3066742A (en) * 1957-01-11 1962-12-04 Georgia Tech Res Inst Rotor blade
US3168235A (en) * 1958-12-12 1965-02-02 Lyonnaise Ventilation Helicoidal fans
EP1953083A1 (en) * 2005-11-01 2008-08-06 Global Energy Co., Ltd. Quiet propeller

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3066742A (en) * 1957-01-11 1962-12-04 Georgia Tech Res Inst Rotor blade
US3168235A (en) * 1958-12-12 1965-02-02 Lyonnaise Ventilation Helicoidal fans
EP1953083A1 (en) * 2005-11-01 2008-08-06 Global Energy Co., Ltd. Quiet propeller
EP1953083A4 (en) * 2005-11-01 2012-03-14 Bellsion Kk Quiet propeller

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