GB2002308B - Compound hub spring system for helicopters - Google Patents

Compound hub spring system for helicopters

Info

Publication number
GB2002308B
GB2002308B GB7833011A GB7833011A GB2002308B GB 2002308 B GB2002308 B GB 2002308B GB 7833011 A GB7833011 A GB 7833011A GB 7833011 A GB7833011 A GB 7833011A GB 2002308 B GB2002308 B GB 2002308B
Authority
GB
United Kingdom
Prior art keywords
helicopters
spring system
hub spring
compound hub
compound
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
GB7833011A
Other versions
GB2002308A (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.)
Textron Inc
Original Assignee
Textron 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 Textron Inc filed Critical Textron Inc
Publication of GB2002308A publication Critical patent/GB2002308A/en
Application granted granted Critical
Publication of GB2002308B publication Critical patent/GB2002308B/en
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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/35—Rotors having elastomeric joints

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Springs (AREA)
  • Discharge By Other Means (AREA)
  • Vibration Prevention Devices (AREA)
  • Toys (AREA)
GB7833011A 1977-08-11 1978-08-11 Compound hub spring system for helicopters Expired GB2002308B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82362477A 1977-08-11 1977-08-11

Publications (2)

Publication Number Publication Date
GB2002308A GB2002308A (en) 1979-02-21
GB2002308B true GB2002308B (en) 1982-01-06

Family

ID=25239266

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7833011A Expired GB2002308B (en) 1977-08-11 1978-08-11 Compound hub spring system for helicopters

Country Status (6)

Country Link
JP (1) JPS5453497A (en)
CA (1) CA1113912A (en)
DE (1) DE2833813C2 (en)
FR (1) FR2399945A1 (en)
GB (1) GB2002308B (en)
IT (1) IT1107202B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2497173A1 (en) * 1980-12-26 1982-07-02 Aerospatiale LAMINATED SHOT OF CURVED SHAPE, IN PARTICULAR FOR ROTOR OF HELICOPTER
US9073636B2 (en) 2009-06-02 2015-07-07 Saab Ab Rotor damper and tail rotor with such a rotor damper
DE102015107596B3 (en) * 2015-05-13 2016-10-20 Deutsches Zentrum für Luft- und Raumfahrt e.V. Helicopter with facilities for avoiding the mast bumping

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1111541A (en) * 1953-07-22 1956-03-01 Doman Helicopters Free-tilt rotor for self-lifting aerial vehicles
US3804552A (en) * 1972-07-05 1974-04-16 Textron Inc Four blade main rotor control power coupling
US3807896A (en) * 1972-10-10 1974-04-30 Textron Inc Concentric tube spring rotor mount

Also Published As

Publication number Publication date
IT7850673A0 (en) 1978-08-09
JPS6239B2 (en) 1987-01-06
JPS5453497A (en) 1979-04-26
FR2399945B1 (en) 1983-02-18
FR2399945A1 (en) 1979-03-09
CA1113912A (en) 1981-12-08
GB2002308A (en) 1979-02-21
DE2833813C2 (en) 1987-01-02
IT1107202B (en) 1985-11-25
DE2833813A1 (en) 1979-02-22

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee