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The rotor and the embedded magnet type synchronous motor of the interior permanent magnet synchronous motor .
The rotor and the embedded magnet type synchronous motor of the interior permanent magnet synchronous motor .
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机译：内部永磁同步电动机的转子与埋入式同步电动机。
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摘要
PROBLEM TO BE SOLVED: To reduce stress acting on a bridge part at the outside in a radial direction of a slot hole of a rotor core.;SOLUTION: A slot hole 20 of a rotor core 10 is formed between a first outer diameter surface 211 and a first inner diameter surface 212 which extend in a circumferential direction; is formed of a housing part 21 which houses a permanent magnet 30, a second outer diameter surface 221 extending in the circumferential direction from the first outer diameter surface 211, a second inner diameter surface 222 extending in a circumferential direction from the first inner diameter surface 212, and a connection surface 223 connecting the second outer diameter surface 221 and the second inner diameter surface 222; and has an opening 22 opened to both sides in the circumferential direction of the housing part 21. The second outer diameter surface 221 is formed into a curved shape so that the distance in a radial direction to the outer peripheral surface of the rotor core 10 becomes gradually small from both end parts thereof in the circumferential direction to an intermediate part in the circumferential direction.;COPYRIGHT: (C)2014,JPO&INPIT
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