FR973292A - Device for simultaneous control of the change of pitch of two propellers - Google Patents

Device for simultaneous control of the change of pitch of two propellers

Info

Publication number
FR973292A
FR973292A FR973292DA FR973292A FR 973292 A FR973292 A FR 973292A FR 973292D A FR973292D A FR 973292DA FR 973292 A FR973292 A FR 973292A
Authority
FR
France
Prior art keywords
propellers
pitch
change
simultaneous control
simultaneous
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
Pierre-Paul Ratie
Rene-Jean Ratie
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 FR973292A publication Critical patent/FR973292A/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
    • B64C11/306—Blade pitch-changing mechanisms specially adapted for contrarotating propellers

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR973292D 1941-08-20 1941-08-20 Device for simultaneous control of the change of pitch of two propellers Expired FR973292A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR973292T 1941-08-20

Publications (1)

Publication Number Publication Date
FR973292A true FR973292A (en) 1951-02-09

Family

ID=9516648

Family Applications (1)

Application Number Title Priority Date Filing Date
FR973292D Expired FR973292A (en) 1941-08-20 1941-08-20 Device for simultaneous control of the change of pitch of two propellers

Country Status (1)

Country Link
FR (1) FR973292A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180170523A1 (en) * 2016-12-21 2018-06-21 Safran Aircraft Engines Electromechanical pitch actuation system for a turbomachine propeller

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180170523A1 (en) * 2016-12-21 2018-06-21 Safran Aircraft Engines Electromechanical pitch actuation system for a turbomachine propeller
FR3060526A1 (en) * 2016-12-21 2018-06-22 Safran Aircraft Engines ELECTROMECHANICAL STEM ACTUATION SYSTEM FOR A TURBOMACHINE PROPELLER
US10647411B2 (en) 2016-12-21 2020-05-12 Safran Aircraft Engines Electromechanical pitch actuation system for a turbomachine propeller

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