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GB0913835D0 - Rotor drive assembly for a rotocraft - Google Patents

Rotor drive assembly for a rotocraft

Info

Publication number
GB0913835D0
GB0913835D0 GBGB0913835.5A GB0913835A GB0913835D0 GB 0913835 D0 GB0913835 D0 GB 0913835D0 GB 0913835 A GB0913835 A GB 0913835A GB 0913835 D0 GB0913835 D0 GB 0913835D0
Authority
GB
United Kingdom
Prior art keywords
rotocraft
drive assembly
rotor drive
rotor
assembly
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.)
Withdrawn
Application number
GBGB0913835.5A
Other versions
GB2472452A (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB0913835A priority Critical patent/GB2472452A/en
Publication of GB0913835D0 publication Critical patent/GB0913835D0/en
Priority to PCT/GB2010/051307 priority patent/WO2011015880A2/en
Publication of GB2472452A publication Critical patent/GB2472452A/en
Withdrawn legal-status Critical Current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
    • B64C27/12—Rotor drives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/04—Helicopters
    • B64C27/12—Rotor drives
    • B64C27/14—Direct drive between power plant and rotor hub
    • 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
    • B64C27/46—Blades
    • B64C27/473—Constructional features
    • B64C27/48—Root attachment to rotor head
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/54—Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement
    • B64C27/58—Transmitting means, e.g. interrelated with initiating means or means acting on blades
    • B64C27/59—Transmitting means, e.g. interrelated with initiating means or means acting on blades mechanical

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Toys (AREA)
  • Retarders (AREA)
GB0913835A 2009-08-07 2009-08-07 A rotor drive assembly for a rotorcraft Withdrawn GB2472452A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0913835A GB2472452A (en) 2009-08-07 2009-08-07 A rotor drive assembly for a rotorcraft
PCT/GB2010/051307 WO2011015880A2 (en) 2009-08-07 2010-08-06 Rotor drive assembly for a rotorcraft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0913835A GB2472452A (en) 2009-08-07 2009-08-07 A rotor drive assembly for a rotorcraft

Publications (2)

Publication Number Publication Date
GB0913835D0 true GB0913835D0 (en) 2009-09-16
GB2472452A GB2472452A (en) 2011-02-09

Family

ID=41129811

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0913835A Withdrawn GB2472452A (en) 2009-08-07 2009-08-07 A rotor drive assembly for a rotorcraft

Country Status (2)

Country Link
GB (1) GB2472452A (en)
WO (1) WO2011015880A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113086181B (en) * 2021-04-11 2022-08-19 燕山大学 One-rotation three-movement parallel driving device for helicopter umbrella stand rotor wing

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1879323A (en) * 1931-07-16 1932-09-27 Koch Emery Aircraft
US2273303A (en) * 1939-11-28 1942-02-17 Francoise J De Bouchelle Helicopter type airship
FR2620106B1 (en) * 1987-09-07 1991-05-17 Bourquardez Gaston LIGHT HELICOPTER WITH 2 CONTRAROTATIVE ROTORS
DE10356231A1 (en) * 2003-12-02 2005-06-30 Zf Friedrichshafen Ag Helicopter main gearbox has a driven collector wheel that can be used with any of at least two exchangeable rotor masts of different diameters
WO2005100154A1 (en) * 2004-04-13 2005-10-27 Wavefront Technology Pty Ltd System for rotor head and rotor blade
US7621480B2 (en) * 2005-05-26 2009-11-24 Sikorsky Aircraft Corporation De-rotation system for a counter-rotating, coaxial rotor hub shaft fairing
US7434764B2 (en) * 2005-12-02 2008-10-14 Sikorsky Aircraft Corporation Variable speed gearbox with an independently variable speed tail rotor system for a rotary wing aircraft

Also Published As

Publication number Publication date
WO2011015880A3 (en) 2011-04-07
WO2011015880A2 (en) 2011-02-10
GB2472452A (en) 2011-02-09

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)