FR971004A - Variable pitch propeller improvements - Google Patents

Variable pitch propeller improvements

Info

Publication number
FR971004A
FR971004A FR971004DA FR971004A FR 971004 A FR971004 A FR 971004A FR 971004D A FR971004D A FR 971004DA FR 971004 A FR971004 A FR 971004A
Authority
FR
France
Prior art keywords
variable pitch
pitch propeller
propeller
variable
propeller improvements
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.)
Rotol Ltd
Original Assignee
Rotol Ltd
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 Rotol Ltd filed Critical Rotol Ltd
Application granted granted Critical
Publication of FR971004A publication Critical patent/FR971004A/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
    • B64C11/38—Blade pitch-changing mechanisms fluid, e.g. hydraulic
    • B64C11/40—Blade pitch-changing mechanisms fluid, e.g. hydraulic automatic

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR971004D 1947-09-02 1948-09-02 Variable pitch propeller improvements Expired FR971004A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB971004X 1947-09-02

Publications (1)

Publication Number Publication Date
FR971004A true FR971004A (en) 1951-01-11

Family

ID=10812473

Family Applications (1)

Application Number Title Priority Date Filing Date
FR971004D Expired FR971004A (en) 1947-09-02 1948-09-02 Variable pitch propeller improvements

Country Status (1)

Country Link
FR (1) FR971004A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2498253A1 (en) * 1981-01-19 1982-07-23 Alexeev Ivan Control for turbine driven constant pitch airscrew - has screw speed controller valves servo-operated for reverse thrust dependent on torque input

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2498253A1 (en) * 1981-01-19 1982-07-23 Alexeev Ivan Control for turbine driven constant pitch airscrew - has screw speed controller valves servo-operated for reverse thrust dependent on torque input

Similar Documents

Publication Publication Date Title
CH267253A (en) Variable pitch marine propeller.
CH276321A (en) Variable pitch propellant mechanism.
FR971004A (en) Variable pitch propeller improvements
FR945397A (en) Aircraft training
FR940114A (en) Improvements to drawing boards
FR945414A (en) Variable pitch propeller
FR1017972A (en) Variable pitch propeller improvements
FR976394A (en) Improvements to variable-pitch marine propellers
FR1013848A (en) Variable pitch propeller improvements
FR948868A (en) Gear pump training
FR998574A (en) Improvement in variable pitch coaxial propellers
FR999805A (en) Variable pitch propeller
FR936582A (en) Variable pitch propeller
FR929581A (en) Variable pitch propeller improvements
FR918779A (en) Variable pitch propeller improvements
FR908652A (en) Variable pitch propeller improvements
FR996607A (en) Self-regulating variable-pitch propeller
FR1209007A (en) Variable pitch propeller improvements
FR921667A (en) Adjustable pitch hyperbolic marine propeller
FR57626E (en) Automatic variable pitch propeller
FR995534A (en) Variable pitch propeller
FR1017976A (en) Helicopter training
FR926613A (en) Self-adjusting pitch propeller
FR940779A (en) Fan training
FR944511A (en) Pedal boat