发明名称 ROTOR AND PUMP
摘要 PROBLEM TO BE SOLVED: To provide a rotor having a magnet to be hardly damaged during manufacture, and ensuring an extended term of use. SOLUTION: The rotor 10 has: a shaft 14; a yoke 12 having a cylindrical shape, pressing the shaft 14 into its internal hole 12b and forming an engaging section 12d projected from its outer peripheral surface; and a magnet 13 having a cylindrical shape, the yoke 12 inserted into the internal hole 13a thereof, and one end in the axial direction, abutting on the engaging section 12. The rotor 10 further has an elastic member 15 fixed on at least one of the shaft 14 and the yoke 12 and urging the magnet 13 to the engaging section 12d side while abutting on the other end in the axial direction of the magnet 13. COPYRIGHT: (C)2009,JPO&INPIT
申请公布号 JP2009112158(A) 申请公布日期 2009.05.21
申请号 JP20070284080 申请日期 2007.10.31
申请人 AISAN IND CO LTD 发明人 HANAI KAZUO
分类号 H02K1/27;F04D5/00 主分类号 H02K1/27
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