FR798294A - Automatically variable pitch aerial propeller - Google Patents

Automatically variable pitch aerial propeller

Info

Publication number
FR798294A
FR798294A FR798294DA FR798294A FR 798294 A FR798294 A FR 798294A FR 798294D A FR798294D A FR 798294DA FR 798294 A FR798294 A FR 798294A
Authority
FR
France
Prior art keywords
variable pitch
automatically variable
aerial propeller
propeller
aerial
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)
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.)
Alfa Romeo SpA
Original Assignee
Alfa Romeo SpA
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 Alfa Romeo SpA filed Critical Alfa Romeo SpA
Application granted granted Critical
Publication of FR798294A publication Critical patent/FR798294A/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
    • B64C11/30—Blade pitch-changing mechanisms
    • B64C11/32—Blade pitch-changing mechanisms mechanical
    • B64C11/34—Blade pitch-changing mechanisms mechanical automatic
    • B64C11/343—Blade pitch-changing mechanisms mechanical automatic actuated by the centrifugal force or the aerodynamic drag acting on the blades

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR798294D 1935-01-21 1935-11-25 Automatically variable pitch aerial propeller Expired FR798294A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT798294X 1935-01-21

Publications (1)

Publication Number Publication Date
FR798294A true FR798294A (en) 1936-05-13

Family

ID=11316823

Family Applications (1)

Application Number Title Priority Date Filing Date
FR798294D Expired FR798294A (en) 1935-01-21 1935-11-25 Automatically variable pitch aerial propeller

Country Status (1)

Country Link
FR (1) FR798294A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3289770A (en) * 1963-08-14 1966-12-06 Bolkow Gmbh Helicopter rotor system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3289770A (en) * 1963-08-14 1966-12-06 Bolkow Gmbh Helicopter rotor system

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