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  • [发明专利]US20030392603 _ KASHYAP RAVINDRA 2003年03月19日
    A solar-paneled windmill is provided having aerodynamic fan blades provided with solar panels. The windmill produces electricity using wind energy and solar energy. In another embodiment, magnets are provided to the solar-paneled windmill fan blades t...
  • [发明专利]US20030733687 _ WOBBEN ALOVS 2003年12月10日
    The present invention concerns a method of operating a wind power installation comprising an electric generator drivable by a rotor for outputting electrical power to an electrical consumer, in particular an electrical network. The invention further c...
  • [发明专利]US20030576071 _ VESTAS WIND SYSTEMS A/S 2003年10月31日
    A member for potential equalising in a wind turbine blade between a first conducting member, such as a member comprising carbon fibres, and a second conducting member, such as a lightning conductor is provided. Furthermore, methods for manufacturing o...
  • [发明专利]US20030414247 _ DUTTA ALOK 2003年04月16日
    The present invention discloses an apparatus of converting gravitational energy to electrical energy. The apparatus includes a reciprocating drive mechanism for lifting liquid from a bottom reservoir to an upper reservoir and turbines between the uppe...
  • [发明专利]US20030221545 _ VEECO INSTRUMENTS, INC. 2003年10月21日
    A closed loop exit hole is formed in a magnetically permeable end wall (2) of an enclosure (1) of a closed electron drift ion source. Parts of this end wall separated by the exit hole serve as pole pieces (7 and 8) of the magnetic system and define th...
  • [发明专利]US20030580220 _ MOLBECH ALLAN LAURSEN 2003年11月20日
    The invention relates to a wind turbine (1) comprising stationary means such as a nacelle (3) and a tower (2) comprising stationary lightning protection means (46), and rotating means such as a rotor including at least one wind turbine blade (5) and s...
  • [发明专利]US20030576071 _ HIBBARD PAUL 2003年10月31日
    A member for potential equalising in a wind turbine blade between a first conducting member, such as a member comprising carbon fibres, and a second conducting member, such as a lightning conductor is provided. Furthermore, methods for manufacturing o...
  • [发明专利]JP20040553165 _ ゼファー株式会社 2003年11月13日
    風速センサにより所定以上の風速が検知されたときタイマ装置により待機タイマ機能が作動し、待機タイマ期間が終了すると、それよりも期間の短い駆動タイマ機能に切り替わり、駆動タイマ期間だけ切替リレーにより発電機が電動機に切り替えられ駆動回路により始動補助のための回転駆動が行われる。駆動タイマ期間が終了すると再び待機タイマ期間となり、これが繰り返される。この間に...
  • 9.
    [发明专利]JP20040562587 _ 2003年12月18日
    A power control interface between an unstable power source such as a wind farm and a power transmission line employs an electrical energy storage, control system, and electronic compensation module which act together like an "electronic shock absorber...
  • 10.
    [发明专利]JP20040537261 _ 2003年09月10日
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