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ROTOR OF A POLE CHANGE TYPE SYNCHRONOUS MOTOR AND MANUFACTURING METHOD THEREOF 发明申请

2023-07-03 4410 344K 0

专利信息

申请日期 2025-07-13 申请号 KR1020080051343
公开(公告)号 KR1020090125298A 公开(公告)日 2009-12-07
公开国别 KR 申请人省市代码 全国
申请人 KOREA ELECTRONICS TECHNOLOGY INSTITUTE; DONGSEO ELECTRONIC CO LTD
简介 PURPOSE : A rotor of a pole transform synchronous motor and a manufacturing method thereof are provided to install a magnet layer in a rotor core easily by forming the magnet layer by compressing/molding power, including magnetic material, in an outer circumference of the rotor core.CONSTITUTION : A plurality of conductors(120) is installed along an edge of a rotor core(110). Powders include magnetic materials capable of re-magnetization by an exciting pole. A magnet layer(130) is formed by compressing/molding the powder in an outer circumference of the rotor core. The magnet layer includes a rare earth bonded magnet. An oxidation prevention layer(131) is formed on a surface of the magnet layer. The powder includes rare earth type alloy(Nd-Fe-B Alloy).COPYRIGHT KIPO 2010


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