FR844172A - Improvements to twin powertrains for airplanes - Google Patents

Improvements to twin powertrains for airplanes

Info

Publication number
FR844172A
FR844172A FR844172DA FR844172A FR 844172 A FR844172 A FR 844172A FR 844172D A FR844172D A FR 844172DA FR 844172 A FR844172 A FR 844172A
Authority
FR
France
Prior art keywords
powertrains
airplanes
twin
twin powertrains
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.)
CONST AERONAUTIQUES DU CT SOC
Original Assignee
CONST AERONAUTIQUES DU CT SOC
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 CONST AERONAUTIQUES DU CT SOC filed Critical CONST AERONAUTIQUES DU CT SOC
Application granted granted Critical
Publication of FR844172A publication Critical patent/FR844172A/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)
FR844172D 1938-03-28 1938-03-28 Improvements to twin powertrains for airplanes Expired FR844172A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR844172T 1938-03-28

Publications (1)

Publication Number Publication Date
FR844172A true FR844172A (en) 1939-07-20

Family

ID=9312287

Family Applications (1)

Application Number Title Priority Date Filing Date
FR844172D Expired FR844172A (en) 1938-03-28 1938-03-28 Improvements to twin powertrains for airplanes

Country Status (1)

Country Link
FR (1) FR844172A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2432550A (en) * 1940-04-06 1947-12-16 Waseige Charles Raymond Screw propeller pitch adjusting device
US2437188A (en) * 1943-01-19 1948-03-02 Fairey Aviat Co Ltd Self-contained variable pitch propeller unit
US2457999A (en) * 1946-03-28 1949-01-04 Continental Aviat & Eng Corp Lubrication means for dual propeller shaft assemblies
DE896597C (en) * 1940-12-17 1953-12-07 Messerschmitt Boelkow Blohm Opposing, coaxially arranged and jointly inevitably driven adjusting propellers in the same speed ratio
US5954479A (en) * 1996-12-16 1999-09-21 Smith; Ronald A. Twin engine, coaxial, dual-propeller propulsion system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2432550A (en) * 1940-04-06 1947-12-16 Waseige Charles Raymond Screw propeller pitch adjusting device
DE896597C (en) * 1940-12-17 1953-12-07 Messerschmitt Boelkow Blohm Opposing, coaxially arranged and jointly inevitably driven adjusting propellers in the same speed ratio
US2437188A (en) * 1943-01-19 1948-03-02 Fairey Aviat Co Ltd Self-contained variable pitch propeller unit
US2457999A (en) * 1946-03-28 1949-01-04 Continental Aviat & Eng Corp Lubrication means for dual propeller shaft assemblies
US5954479A (en) * 1996-12-16 1999-09-21 Smith; Ronald A. Twin engine, coaxial, dual-propeller propulsion system

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