[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

WO2012003308A3 - Wind turbine with extended blades - Google Patents

Wind turbine with extended blades Download PDF

Info

Publication number
WO2012003308A3
WO2012003308A3 PCT/US2011/042578 US2011042578W WO2012003308A3 WO 2012003308 A3 WO2012003308 A3 WO 2012003308A3 US 2011042578 W US2011042578 W US 2011042578W WO 2012003308 A3 WO2012003308 A3 WO 2012003308A3
Authority
WO
WIPO (PCT)
Prior art keywords
wind turbine
blades
rotation
blade
turbine blades
Prior art date
Application number
PCT/US2011/042578
Other languages
French (fr)
Other versions
WO2012003308A2 (en
Inventor
Ph.D Imad Mahawili
Original Assignee
E-Net, Llc
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 E-Net, Llc filed Critical E-Net, Llc
Publication of WO2012003308A2 publication Critical patent/WO2012003308A2/en
Publication of WO2012003308A3 publication Critical patent/WO2012003308A3/en

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
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/02—Wind motors with rotation axis substantially parallel to the air flow entering the rotor  having a plurality of rotors
    • F03D1/025—Wind motors with rotation axis substantially parallel to the air flow entering the rotor  having a plurality of rotors coaxially arranged
    • 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
    • F03D1/0608—Rotors characterised by their aerodynamic shape
    • F03D1/0633—Rotors characterised by their aerodynamic shape of the 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
    • F03D1/0658—Arrangements for fixing wind-engaging parts to a hub
    • 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
    • F03D1/0675—Rotors characterised by their construction elements of the 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
    • F05B2240/202—Rotors with adjustable area of intercepted fluid
    • 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
    • F05B2240/21—Rotors for wind turbines
    • F05B2240/221—Rotors for wind turbines with horizontal axis
    • F05B2240/2211—Rotors for wind turbines with horizontal axis of the multibladed, low speed, e.g. "American farm" type
    • 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
    • F05B2240/33—Shrouds which are part of or which are rotating with the rotor
    • 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
    • F05B2250/00—Geometry
    • F05B2250/30—Arrangement of components
    • F05B2250/31—Arrangement of components according to the direction of their main axis or their axis of rotation
    • F05B2250/311—Arrangement of components according to the direction of their main axis or their axis of rotation the axes being in line
    • 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
    • F05B2260/00—Function
    • F05B2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05B2260/77—Adjusting of angle of incidence or attack of rotating blades the adjusting mechanism driven or triggered by centrifugal forces
    • 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
    • F05B2260/00—Function
    • F05B2260/85—Starting
    • 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)
  • 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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Wind Motors (AREA)

Abstract

A wind turbine includes a first plurality of wind turbine blades mounted for rotation about an axis of rotation, each blade of the first plurality of wind turbine blades having a wind blade surface, and a second plurality of wind turbine blades mounted for rotation about the axis of rotation with the first plurality of blades. The second plurality of blades forms blade surface areas radially outward of the blade surface areas of the first plurality of wind turbine blades. Further, each blade of the second plurality of blades may have a varying attack angle along its respective length.
PCT/US2011/042578 2010-07-01 2011-06-30 Wind turbine with extended blades WO2012003308A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US36054710P 2010-07-01 2010-07-01
US61/360,547 2010-07-01

Publications (2)

Publication Number Publication Date
WO2012003308A2 WO2012003308A2 (en) 2012-01-05
WO2012003308A3 true WO2012003308A3 (en) 2012-03-29

Family

ID=45402651

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2011/042578 WO2012003308A2 (en) 2010-07-01 2011-06-30 Wind turbine with extended blades

Country Status (1)

Country Link
WO (1) WO2012003308A2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2544902C2 (en) * 2012-04-02 2015-03-20 Василий Силантьевич Петров Wind motor
CN103835883B (en) * 2012-11-20 2018-01-23 张清文 Wind-tunnel type wind power machine
RU2551457C2 (en) * 2012-12-03 2015-05-27 Василий Силантьевич Петров Wind-driven power plant
RU2551444C2 (en) * 2013-03-19 2015-05-27 Василий Силантьевич Петров Wind engine
CN103147926B (en) * 2013-04-01 2014-10-15 戚永维 Full-blade-tip wind driven generator
CN105626380B (en) * 2015-10-12 2018-06-22 张跃寛 A kind of multi-vane wind power generator
US12060864B1 (en) * 2023-06-03 2024-08-13 Wind Harvest International Inc Vertical axis wind turbine arm-mast connection member

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040052640A1 (en) * 2002-09-12 2004-03-18 Ghazi Khan All weather windmills
KR100946347B1 (en) * 2009-10-12 2010-03-08 김세빈 Hoop actiniform turbine blade system of wind power generation
EP2187045A1 (en) * 2007-11-19 2010-05-19 Mitsubishi Heavy Industries, Ltd. Windmill blade and wind power generator using same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040052640A1 (en) * 2002-09-12 2004-03-18 Ghazi Khan All weather windmills
EP2187045A1 (en) * 2007-11-19 2010-05-19 Mitsubishi Heavy Industries, Ltd. Windmill blade and wind power generator using same
KR100946347B1 (en) * 2009-10-12 2010-03-08 김세빈 Hoop actiniform turbine blade system of wind power generation

Also Published As

Publication number Publication date
WO2012003308A2 (en) 2012-01-05

Similar Documents

Publication Publication Date Title
WO2011106256A3 (en) Vertical-axis wind turbine having logarithmic curved airfoils
WO2012003308A3 (en) Wind turbine with extended blades
WO2011133340A3 (en) Vertical axis wind turbine
WO2014197119A3 (en) Rotors with modulus mistuned airfoils
WO2008145991A3 (en) Water turbine
EP2577051A4 (en) Segmented wind turbine blades with truss connection regions, and associated systems and methods
FR2976551B1 (en) BLADE, ESPECIALLY A VARIABLE SHAFT, PROPELLER COMPRISING SUCH BLADES, AND CORRESPONDING TURBOMACHINE
WO2009101596A3 (en) Shrouded turbine blade design
PL2405129T3 (en) Wind turbine blade with variable trailing edge
CA2865893A1 (en) Wind turbine rotor
EP2607689A3 (en) Rotor-sector based control of wind turbines
WO2014041151A3 (en) Wind turbine blade with fastening means
EP3130800B8 (en) Wind turbine rotor blade with a spark gap
EP2653719A3 (en) Hub for wind turbine rotor
EP3713752A4 (en) Methods for manufacturing wind turbine rotor blade panels having printed grid structures
WO2012071587A8 (en) Fluid turbine featuring dynamically phase-adjustable cam
WO2012164045A9 (en) Rotor with a curved rotor blade for a wind power plant
EP2562427A3 (en) A rotor for a compressor of a gas turbine
WO2012122262A3 (en) Wind turbine rotor blade with improved performance
BRPI1014012A2 (en) propeller hub with variable pitch blades for turbomachine, propeller, and turbomachine.
WO2011087479A3 (en) Fluid turbine featuring articulated blades and phase-adjusted cam
ZA201405126B (en) Telescopic rotor blade and telescopic tower, wind turbine, and wind farm
GB0922615D0 (en) Hydokinetic turbine
GB2492732A (en) A turbine blade assembly
WO2014187912A3 (en) Vertical axis wind turbine

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 11801403

Country of ref document: EP

Kind code of ref document: A2

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 11801403

Country of ref document: EP

Kind code of ref document: A2