FR1136858A - Perfectionnements à des hélicoptères - Google Patents

Perfectionnements à des hélicoptères

Info

Publication number
FR1136858A
FR1136858A FR1136858DA FR1136858A FR 1136858 A FR1136858 A FR 1136858A FR 1136858D A FR1136858D A FR 1136858DA FR 1136858 A FR1136858 A FR 1136858A
Authority
FR
France
Prior art keywords
helicopter
refinements
helicopter refinements
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.)
Raytheon Technologies Corp
Original Assignee
United Aircraft Corp
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 United Aircraft Corp filed Critical United Aircraft Corp
Application granted granted Critical
Publication of FR1136858A publication Critical patent/FR1136858A/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
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • B64C27/473—Constructional features
    • B64C27/50—Blades foldable to facilitate stowage of aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
FR1136858D 1954-10-01 1955-09-30 Perfectionnements à des hélicoptères Expired FR1136858A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1136858XA 1954-10-01 1954-10-01

Publications (1)

Publication Number Publication Date
FR1136858A true FR1136858A (fr) 1957-05-21

Family

ID=22350898

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1136858D Expired FR1136858A (fr) 1954-10-01 1955-09-30 Perfectionnements à des hélicoptères

Country Status (1)

Country Link
FR (1) FR1136858A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1163681B (de) * 1960-01-16 1964-02-20 Boeing Co Zum Beiklappen eines Drehfluegels dienende Einrichtung
FR2758525A1 (fr) * 1997-01-17 1998-07-24 Eurocopter France Rotor a pales repliables, pour voilure tournante d'aeronef

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1163681B (de) * 1960-01-16 1964-02-20 Boeing Co Zum Beiklappen eines Drehfluegels dienende Einrichtung
FR2758525A1 (fr) * 1997-01-17 1998-07-24 Eurocopter France Rotor a pales repliables, pour voilure tournante d'aeronef
US6176679B1 (en) 1997-01-17 2001-01-23 Eurocopter Rotor with folding blades, for the rotary wings of an aircraft

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