FR949767A - Advanced propeller device for propelling aircraft - Google Patents

Advanced propeller device for propelling aircraft

Info

Publication number
FR949767A
FR949767A FR949767DA FR949767A FR 949767 A FR949767 A FR 949767A FR 949767D A FR949767D A FR 949767DA FR 949767 A FR949767 A FR 949767A
Authority
FR
France
Prior art keywords
propeller device
propelling aircraft
advanced propeller
advanced
propelling
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 FR949767A publication Critical patent/FR949767A/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
FR949767D 1940-02-07 1947-07-19 Advanced propeller device for propelling aircraft Expired FR949767A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB949767X 1940-02-07

Publications (1)

Publication Number Publication Date
FR949767A true FR949767A (en) 1949-09-08

Family

ID=10767515

Family Applications (1)

Application Number Title Priority Date Filing Date
FR949767D Expired FR949767A (en) 1940-02-07 1947-07-19 Advanced propeller device for propelling aircraft

Country Status (1)

Country Link
FR (1) FR949767A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4842484A (en) * 1983-08-29 1989-06-27 General Electric Company Blade gearing and pitch changing mechanisms for coaxial counterrotating propellers
WO2005021373A1 (en) * 2003-09-01 2005-03-10 Nenad Fles Contra rotating variable pitch propellers
WO2012131271A1 (en) * 2011-03-29 2012-10-04 Snecma System for changing the pitch of the contra-rotating propellers of a turboshaft engine
EP2557033A3 (en) * 2011-08-12 2015-11-11 Hamilton Sundstrand Corporation Modular counter rotating propeller system

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4842484A (en) * 1983-08-29 1989-06-27 General Electric Company Blade gearing and pitch changing mechanisms for coaxial counterrotating propellers
WO2005021373A1 (en) * 2003-09-01 2005-03-10 Nenad Fles Contra rotating variable pitch propellers
WO2012131271A1 (en) * 2011-03-29 2012-10-04 Snecma System for changing the pitch of the contra-rotating propellers of a turboshaft engine
FR2973333A1 (en) * 2011-03-29 2012-10-05 Snecma SYSTEM FOR CHANGING THE STEP OF CONTRAROTATIVE PROPELLERS OF A TURBOMOTEUR
GB2503386A (en) * 2011-03-29 2013-12-25 Snecma System for changing the pitch of the contra-rotating propellers of a turboshaft engine
GB2503386B (en) * 2011-03-29 2017-07-26 Snecma System for changing the pitch of the contra-rotating propellers of a turboshaft engine
US10119409B2 (en) 2011-03-29 2018-11-06 Safran Aircraft Engines System for changing the pitch of the contra-rotating propellers of a turboshaft engine
EP2557033A3 (en) * 2011-08-12 2015-11-11 Hamilton Sundstrand Corporation Modular counter rotating propeller system

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