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The motor and compressor and refrigeration cycle device 发明申请

2023-12-01 1480 183K 0

专利信息

申请日期 2025-07-11 申请号 JP2016545397
公开(公告)号 JPWO2016031477A1 公开(公告)日 2017-04-27
公开国别 JP 申请人省市代码 全国
申请人 三菱電機株式会社
简介 A stator of an electric motor (40) has windings (44) and a stator core (43) in which eighteen teeth (71), around which the windings (44) are wound, are formed circumferentially. A rotor of the electric motor (40) has magnets (72) and a rotor core (46) in which six insertion holes (73), into which the magnets (72) are inserted, are formed circumferentially. The magnets (72) are rare-earth magnets of a grain boundary diffusion type having a residual magnetic flux density Br of from 1.36 to 1.42 T. The total area of magnet-parallel cross-sections (84) of the teeth (71) is from 0.56 times to 0.93 times the total area of tooth-facing surfaces (83) of the magnets (72).


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