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Rotor with stress relaxation magnetic flux suppression holes with flux paths width less than length of the hole
Rotor with stress relaxation magnetic flux suppression holes with flux paths width less than length of the hole
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机译:带应力松弛的转子磁通量抑制孔,磁通路径宽度小于孔的长度
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摘要
A rotor that includes a permanent magnet; and a rotor core that has a magnet placement hole in which the permanent magnet is disposed, wherein the stress relaxation magnetic flux suppression hole is formed such that a total width of a minimum width of a first magnetic flux passage between a portion of the stress relaxation magnetic flux suppression hole on a first side in the longitudinal direction and the magnet placement hole and a minimum width of a second magnetic flux passage between a portion of the stress relaxation magnetic flux suppression hole on a second side in the longitudinal direction and the magnet placement hole is less than a total length of a length of the first magnetic flux passage in the longitudinal direction and a length of the second magnetic flux passage in the longitudinal direction.
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