FR920127A - Perfectionnements aux hélicoptères - Google Patents

Perfectionnements aux hélicoptères

Info

Publication number
FR920127A
FR920127A FR920127DA FR920127A FR 920127 A FR920127 A FR 920127A FR 920127D A FR920127D A FR 920127DA FR 920127 A FR920127 A FR 920127A
Authority
FR
France
Prior art keywords
helicopter training
helicopter
training
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
English (en)
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.)
AIREX Manufacturing Co Inc
Original Assignee
AIREX Manufacturing Co Inc
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 AIREX Manufacturing Co Inc filed Critical AIREX Manufacturing Co Inc
Application granted granted Critical
Publication of FR920127A publication Critical patent/FR920127A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/04—Helicopters
    • B64C27/08—Helicopters with two or more rotors
    • B64C27/10—Helicopters with two or more rotors arranged coaxially

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR920127D 1943-05-03 1945-10-11 Perfectionnements aux hélicoptères Expired FR920127A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US920127XA 1943-05-03 1943-05-03

Publications (1)

Publication Number Publication Date
FR920127A true FR920127A (fr) 1947-03-28

Family

ID=22230801

Family Applications (1)

Application Number Title Priority Date Filing Date
FR920127D Expired FR920127A (fr) 1943-05-03 1945-10-11 Perfectionnements aux hélicoptères

Country Status (1)

Country Link
FR (1) FR920127A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2357131A3 (fr) * 2010-02-05 2013-12-25 Sikorsky Aircraft Corporation Boîte de vitesses à roue de champ contre-rotatif

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2357131A3 (fr) * 2010-02-05 2013-12-25 Sikorsky Aircraft Corporation Boîte de vitesses à roue de champ contre-rotatif
US8870538B2 (en) 2010-02-05 2014-10-28 Sikorsky Aircraft Corporation Counter rotating facegear gearbox
US8899926B2 (en) 2010-02-05 2014-12-02 Sikorsky Aircraft Corporation Counter rotating facegear gearbox

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