DK1788239T3 - Rotor til en vindmølle og fremgangsmåde til at styre temperaturen inde i et rotornav - Google Patents

Rotor til en vindmølle og fremgangsmåde til at styre temperaturen inde i et rotornav Download PDF

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Publication number
DK1788239T3
DK1788239T3 DK06124089.1T DK06124089T DK1788239T3 DK 1788239 T3 DK1788239 T3 DK 1788239T3 DK 06124089 T DK06124089 T DK 06124089T DK 1788239 T3 DK1788239 T3 DK 1788239T3
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DK
Denmark
Prior art keywords
hub
wing
rotor
air
temperature
Prior art date
Application number
DK06124089.1T
Other languages
English (en)
Inventor
Henning Luetze
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Application granted granted Critical
Publication of DK1788239T3 publication Critical patent/DK1788239T3/da

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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
    • F03D15/00—Transmission of mechanical power
    • F03D15/05—Transmission of mechanical power using hollow exhausting 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
    • 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
    • F05B2260/20—Heat transfer, e.g. cooling
    • 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)
  • Wind Motors (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Claims (2)

1. Rotor (16) til en vindmølle (10) omfattende: et nav (18) der definerer et indre rum (34); mindst en vinge (20) der definerer et indre rum og med en spids (22) og en rod (24) fastgjort til navet; hvor det indre rum af navet og den mindst ene vinge er i fluid forbindelse; luftstrømningsorgan (26) der forårsager luft til at strømme ud af navet ind i den mindst ene vinge; hvor luftstrømningsorganet (26) omfatter mindst én blæser (30); og hvor den mindst ene vinge (20) omfatter en ydre skal (32) og en indre støttevæg (40) der strækker sig langsgående gennem vingen fra dens rod (24) mod dens spids (22) for at opdele den mindst ene vinge i to halve rum (36, 38) der er i fluid forbindelse med hinanden ved spidsen af vingen og med navet ved vingens rod, og hvor luften blæses af blæseren (30) i det ene halve rum af den mindst ene vinge mens den blæste luft gen-indtrænger navet via det andet halve rum af vingen; idet rotoren (16) yderligere omfatter sensorer til at bestemme en temperaturforskel mellem navets (18) og vingens (20) indre lufttemperaturer; og kendetegnet ved at den yderligere omfatter en kontroller konfigureret til at styre varmeoverførsel ved aktivering eller deaktivering af blæseren (30) for at tilvejebringe en kølende eller varmende virkning i navet (18) med henblik på at opretholde en temperatur i navet (18) i det væsentlige konstant.
2. Fremgangsmåde til at styre temperaturen inde i et nav (18) af rotoren (16) ifølge krav 1, omfattende at tilvejebringe en luftstrømning (26) mellem et indre rum (46) af navet (18) ind i den første del af den mindst ene vinge (20) og yderligere til den anden del af den mindst ene vinge fra hvilken luftstrømningen gen-indtrænger ind i navets indre rum, hvor lufttemperaturen påvirkes af temperaturen af den mindst ene vinge gennem hvilken luften strømmer.
DK06124089.1T 2005-11-18 2006-11-14 Rotor til en vindmølle og fremgangsmåde til at styre temperaturen inde i et rotornav DK1788239T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/283,162 US8029239B2 (en) 2005-11-18 2005-11-18 Rotor for a wind energy turbine and method for controlling the temperature inside a rotor hub

Publications (1)

Publication Number Publication Date
DK1788239T3 true DK1788239T3 (da) 2014-03-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
DK06124089.1T DK1788239T3 (da) 2005-11-18 2006-11-14 Rotor til en vindmølle og fremgangsmåde til at styre temperaturen inde i et rotornav

Country Status (4)

Country Link
US (1) US8029239B2 (da)
EP (1) EP1788239B1 (da)
CN (1) CN101029624B (da)
DK (1) DK1788239T3 (da)

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Also Published As

Publication number Publication date
CN101029624B (zh) 2016-05-11
US20070116567A1 (en) 2007-05-24
EP1788239B1 (en) 2014-01-08
CN101029624A (zh) 2007-09-05
EP1788239A3 (en) 2012-01-25
US8029239B2 (en) 2011-10-04
EP1788239A2 (en) 2007-05-23

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