发明名称 PERMANENT MAGNET ROTATING ELECTRIC MACHINE AND ELECTRIC VEHICLE USING IT
摘要 <p><P>PROBLEM TO BE SOLVED: To provide a permanent magnet rotating electric machine in which the influence of an iron loss can be further reduced with high efficiency, and to provide an electric vehicle which uses the same. <P>SOLUTION: The permanent magnet rotating electric machine 1 includes a stator 2 in which a stator winding 5 is wound on a stator core, and a permanent magnet rotor 3, in which a plurality of permanent magnets 6 on which the polarities are arranged alternately in the circumferential direction, are inserted into a rotor core 7. The permanent magnet rotor core 7 has a pole piece 72, an auxiliary pole 71 and a stator yoke 74, and further has a recess part 76, provided in the air gap surface of the pole piece 72 of the rotor core 7 of the permanent magnet and which is smooth starting from the center of the pole to the end. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p>
申请公布号 JP2005261024(A) 申请公布日期 2005.09.22
申请号 JP20040066465 申请日期 2004.03.10
申请人 HITACHI LTD 发明人 TAJIMA FUMIO;MATSUNOBU YUTAKA;KITAMURA MASAJI;HINO TOKUAKI;KOBAYASHI KOJI;KADOKAWA SHIGERU;YASUHARA TAKASHI
分类号 H02K1/22;H02K1/24;H02K1/27;H02K21/12;H02K21/14;(IPC1-7):H02K1/27 主分类号 H02K1/22
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