Rotor and design method thereof
Number of patents in Portfolio can not be more than 2000
United States of America
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Apr 1, 2025
Grant Date -
Nov 30, 2023
app pub date -
Sep 26, 2022
filing date -
Sep 26, 2022
priority date (Note) -
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Abstract
A motor rotor includes a rotor core and a plurality of reluctance parts. The rotor core includes a plurality of metal parts and an inner hole for the motor rotor, the inner hole of the motor rotor passes through the rotor core, and the areas of the metal parts form a rotor metal total area ΣAmetal. The plurality of reluctance parts are disposed surrounding the inner hole of the motor rotor, each of the reluctance parts comprising a plurality of flux barriers penetrating through the rotor core. The areas of the flux barriers in all the reluctance parts form a flux barrier total area ΣAair. The sum of ΣAair and ΣAmetal is a rotor effective total area, and the ratio of ΣAair to the rotor effective total area is a flux barrier ratio KA, which is expressed as
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