GB2411634B - Rotary blade - Google Patents

Rotary blade

Info

Publication number
GB2411634B
GB2411634B GB0511897A GB0511897A GB2411634B GB 2411634 B GB2411634 B GB 2411634B GB 0511897 A GB0511897 A GB 0511897A GB 0511897 A GB0511897 A GB 0511897A GB 2411634 B GB2411634 B GB 2411634B
Authority
GB
United Kingdom
Prior art keywords
rotary blade
blade
rotary
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 - Fee Related
Application number
GB0511897A
Other versions
GB0511897D0 (en
GB2411634A (en
Inventor
Carl Thomas Tharme
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.)
ROTARY WING INNOVATIONS Ltd
Original Assignee
ROTARY WING INNOVATIONS Ltd
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 ROTARY WING INNOVATIONS Ltd filed Critical ROTARY WING INNOVATIONS Ltd
Publication of GB0511897D0 publication Critical patent/GB0511897D0/en
Publication of GB2411634A publication Critical patent/GB2411634A/en
Application granted granted Critical
Publication of GB2411634B publication Critical patent/GB2411634B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C7/00—Structures or fairings not otherwise provided for
    • B64C7/02—Nacelles
    • 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
    • B64C11/16—Blades
    • B64C11/20—Constructional features
    • 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
    • B64C11/32—Blade pitch-changing mechanisms mechanical
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06—Rotors
    • F03D1/065—Rotors characterised by their construction elements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Wind Motors (AREA)
GB0511897A 2002-11-20 2003-11-18 Rotary blade Expired - Fee Related GB2411634B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0227054.4A GB0227054D0 (en) 2002-11-20 2002-11-20 Rotary blade
PCT/GB2003/005001 WO2004045948A1 (en) 2002-11-20 2003-11-18 Rotary blade

Publications (3)

Publication Number Publication Date
GB0511897D0 GB0511897D0 (en) 2005-07-20
GB2411634A GB2411634A (en) 2005-09-07
GB2411634B true GB2411634B (en) 2006-05-24

Family

ID=9948172

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0227054.4A Ceased GB0227054D0 (en) 2002-11-20 2002-11-20 Rotary blade
GB0511897A Expired - Fee Related GB2411634B (en) 2002-11-20 2003-11-18 Rotary blade

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0227054.4A Ceased GB0227054D0 (en) 2002-11-20 2002-11-20 Rotary blade

Country Status (3)

Country Link
AU (1) AU2003283602A1 (en)
GB (2) GB0227054D0 (en)
WO (1) WO2004045948A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7138118B2 (en) * 2017-12-14 2022-09-15 川崎重工業株式会社 Rotorcraft with variable twist angle mechanism for blades

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB630396A (en) * 1940-02-09 1949-10-12 Autogiro Co Of America Improvements in sustaining rotor for aircraft
US4332525A (en) * 1979-12-03 1982-06-01 United Technologies Corporation Matched stiffness rotor flexbeam and blade system
US6155784A (en) * 1997-01-09 2000-12-05 Cartercopters, Llc. Variable pitch aircraft propeller
US6327957B1 (en) * 1998-01-09 2001-12-11 Wind Eagle Joint Venture Wind-driven electric generator apparatus of the downwind type with flexible changeable-pitch blades

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB630396A (en) * 1940-02-09 1949-10-12 Autogiro Co Of America Improvements in sustaining rotor for aircraft
US4332525A (en) * 1979-12-03 1982-06-01 United Technologies Corporation Matched stiffness rotor flexbeam and blade system
US6155784A (en) * 1997-01-09 2000-12-05 Cartercopters, Llc. Variable pitch aircraft propeller
US6327957B1 (en) * 1998-01-09 2001-12-11 Wind Eagle Joint Venture Wind-driven electric generator apparatus of the downwind type with flexible changeable-pitch blades

Also Published As

Publication number Publication date
GB0227054D0 (en) 2002-12-24
AU2003283602A1 (en) 2004-06-15
WO2004045948A1 (en) 2004-06-03
GB0511897D0 (en) 2005-07-20
GB2411634A (en) 2005-09-07

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Legal Events

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

Effective date: 20131118