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AU2003263827A1 - Variable diameter rotor - Google Patents

Variable diameter rotor

Info

Publication number
AU2003263827A1
AU2003263827A1 AU2003263827A AU2003263827A AU2003263827A1 AU 2003263827 A1 AU2003263827 A1 AU 2003263827A1 AU 2003263827 A AU2003263827 A AU 2003263827A AU 2003263827 A AU2003263827 A AU 2003263827A AU 2003263827 A1 AU2003263827 A1 AU 2003263827A1
Authority
AU
Australia
Prior art keywords
variable diameter
diameter rotor
rotor
variable
diameter
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.)
Abandoned
Application number
AU2003263827A
Other versions
AU2003263827A8 (en
Inventor
Peter Mckeich Jamieson
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of AU2003263827A8 publication Critical patent/AU2003263827A8/en
Publication of AU2003263827A1 publication Critical patent/AU2003263827A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/022—Adjusting aerodynamic properties of the blades
    • F03D7/0236—Adjusting aerodynamic properties of the blades by changing the active surface of the wind engaging parts, e.g. reefing or furling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/202—Rotors with adjustable area of intercepted fluid
    • F05B2240/2021—Rotors with adjustable area of intercepted fluid by means of telescoping blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05B2240/31—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor of changeable form or shape
    • F05B2240/313—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor of changeable form or shape with adjustable flow intercepting area
    • 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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Wind Motors (AREA)
AU2003263827A 2003-07-29 2003-07-29 Variable diameter rotor Abandoned AU2003263827A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2003/023748 WO2005017351A1 (en) 2003-07-29 2003-07-29 Variable diameter rotor

Publications (2)

Publication Number Publication Date
AU2003263827A8 AU2003263827A8 (en) 2005-03-07
AU2003263827A1 true AU2003263827A1 (en) 2005-03-07

Family

ID=34192527

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003263827A Abandoned AU2003263827A1 (en) 2003-07-29 2003-07-29 Variable diameter rotor

Country Status (2)

Country Link
AU (1) AU2003263827A1 (en)
WO (1) WO2005017351A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101490410A (en) 2006-07-21 2009-07-22 剪式风能科技公司 Retractable rotor blade structure
DE102007062616A1 (en) * 2007-12-22 2009-06-25 Arno Helper Wind power generator for producing electricity from mechanical energy, has wind wheel with rotor having rotor blades coupled to rotor shaft, where length of rotor blades is adjustable, and tower is lengthwise adjustable
ES2373521T3 (en) * 2008-01-30 2012-02-06 Clipper Windpower, Llc RETRACTABLE SHOVEL STRUCTURE WITH A DIVIDED OUTPUT Flange.
ES2335640A1 (en) * 2009-01-27 2010-03-30 Universidad Politecnica De Madrid Wind turbine blade
US8206107B2 (en) * 2009-04-13 2012-06-26 Frontier Wind, Llc Variable length wind turbine blade having transition area elements
GB201003858D0 (en) 2010-03-09 2010-04-21 Rolls Royce Plc Propeller arrangement
US20110255974A1 (en) * 2010-04-15 2011-10-20 General Electric Company Configurable winglet for wind turbine blades
GB2508814B (en) * 2012-12-05 2020-11-11 Malcolm Ian Bell Hugh Modular high efficiency renewable energy turbine
CN105626394A (en) * 2016-02-02 2016-06-01 上海交通大学 Telescopic fan blade
AT524720A1 (en) * 2021-01-22 2022-08-15 Schmidt Michael Rotor blade for a wind turbine
DE102021004586A1 (en) 2021-11-30 2023-06-01 Christian Niestolik Environmentally friendly & ecological electricity production

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3768923A (en) * 1969-09-18 1973-10-30 United Aircraft Corp Variable length blade
NL9200786A (en) * 1992-04-29 1993-11-16 Pieter Arie Jan Eikelenboom WIKE CONSTRUCTION FOR WINDMILL.
JP2001132615A (en) * 1999-11-11 2001-05-18 Hitachi Zosen Corp Propeller type windmill for power generation
US6726439B2 (en) * 2001-08-22 2004-04-27 Clipper Windpower Technology, Inc. Retractable rotor blades for power generating wind and ocean current turbines and means for operating below set rotor torque limits
US7071578B1 (en) * 2002-01-10 2006-07-04 Mitsubishi Heavy Industries, Ltd. Wind turbine provided with a controller for adjusting active annular plane area and the operating method thereof
US20030138315A1 (en) * 2002-01-18 2003-07-24 Brueckner Manfred K. Sky turbine-city

Also Published As

Publication number Publication date
WO2005017351A1 (en) 2005-02-24
WO2005017351A8 (en) 2006-02-23
AU2003263827A8 (en) 2005-03-07

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase