Efficient high-speed electric device using low-loss materials
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United States of America Patent
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Jun 27, 2006
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app pub date -
Jan 30, 2004
filing date -
Jan 31, 2003
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Abstract
The invention relates generally to an electric device, such as an electric motor, a generator, or a regenerative motor, having a wound stator core made from advanced low-loss material. In preferred embodiments, the electric device is an axial airgap-type configuration. The invention provides an electric device having a high pole count that operates at high commutating frequencies, with high efficiency and high power density. Advanced low-loss materials exploited by the present invention include amorphous metals, nanocrystalline metals, and optimized Si--Fe alloys.
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