Disclosed is an electric motor-driven compressor having a structure capable of improving the performance of an electric motor of the electric motor-driven compressor for the vehicle. The electric motor-driven compressor has an angle which is formed by two straight lines passing through a center of the rotor and making contact with both end portions of one permanent magnet, and is in a range of about 48.7° to about 51°. The cogging torque and the torque ripples are minimized, the power of the electric motor is improved, and the electric motor is easily controlled.
申请公布号
WO2012039545(A1)
申请公布日期
2012.03.29
申请号
WO2011KR05395
申请日期
2011.07.21
申请人
HALLA CLIMATE CONTROL CORP.;CHO, KYUNG-SEOK;CHO, SEONK-KOOK;JUNG, KYUNG-HUN;BAEK, CHAN-HO