Wireless power supply device, telemetric measuring system, rotating machine, system for supplying power wirelessly to rotating body, and turbine system

A wireless power supply device that wirelessly supplies power from a stator side to a plurality of power-receiving antennas disposed on a rotor rotated about an axis (O) at intervals in a circumferential direction includes: an oscillator (90) that oscillates a high-frequency signal; and an annular p...

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Bibliographische Detailangaben
Hauptverfasser: Morishita, Keiichi, Kato, Seiki, Yasui, Jun, Murata, Hideaki, Oyama, Naoki
Format: Patent
Sprache:eng
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Zusammenfassung:A wireless power supply device that wirelessly supplies power from a stator side to a plurality of power-receiving antennas disposed on a rotor rotated about an axis (O) at intervals in a circumferential direction includes: an oscillator (90) that oscillates a high-frequency signal; and an annular power transmitter (71) that has a leaky waveguide (80) in which a plurality of radiating portions (83) that radiate the high-frequency signal as a radio wave are arranged in the circumferential direction and extend in a circular arc shape in the circumferential direction.