FR692503A - Improvements made to propellers, especially those with variable pitch - Google Patents

Improvements made to propellers, especially those with variable pitch

Info

Publication number
FR692503A
FR692503A FR692503DA FR692503A FR 692503 A FR692503 A FR 692503A FR 692503D A FR692503D A FR 692503DA FR 692503 A FR692503 A FR 692503A
Authority
FR
France
Prior art keywords
propellers
especially those
improvements made
variable pitch
pitch
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
Ferdinand-Emile Lallemand
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 FR692503A publication Critical patent/FR692503A/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)
FR692503D 1929-03-21 1930-03-21 Improvements made to propellers, especially those with variable pitch Expired FR692503A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE692503X 1929-03-21

Publications (1)

Publication Number Publication Date
FR692503A true FR692503A (en) 1930-11-06

Family

ID=3878095

Family Applications (1)

Application Number Title Priority Date Filing Date
FR692503D Expired FR692503A (en) 1929-03-21 1930-03-21 Improvements made to propellers, especially those with variable pitch

Country Status (1)

Country Link
FR (1) FR692503A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2495523A (en) * 1945-01-20 1950-01-24 Russell R Hays Sustaining rotor for aircraft
US2575533A (en) * 1947-04-16 1951-11-20 Charles M Seibel Rotor blade mounting and control
US2949967A (en) * 1959-05-25 1960-08-23 Hughes Tool Co Blade-to-hub connector for thrust producing rotor
US3310119A (en) * 1964-07-04 1967-03-21 Westland Aircraft Ltd Rotor heads for rotary wing aircraft
FR2627149A1 (en) * 1988-02-11 1989-08-18 Laurence Abert PROPELLER BLADE, WHOSE STEP IS VARIABLE THROUGH A SELF-DEFORMABLE LINK

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2495523A (en) * 1945-01-20 1950-01-24 Russell R Hays Sustaining rotor for aircraft
US2575533A (en) * 1947-04-16 1951-11-20 Charles M Seibel Rotor blade mounting and control
US2949967A (en) * 1959-05-25 1960-08-23 Hughes Tool Co Blade-to-hub connector for thrust producing rotor
US3310119A (en) * 1964-07-04 1967-03-21 Westland Aircraft Ltd Rotor heads for rotary wing aircraft
FR2627149A1 (en) * 1988-02-11 1989-08-18 Laurence Abert PROPELLER BLADE, WHOSE STEP IS VARIABLE THROUGH A SELF-DEFORMABLE LINK

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