公开(公告)号：US20060226715A1

公开(公告)日：2006-10-12

申请号：US11102766

申请日：2005-04-11

申请人： Ho-Jae Lee ,  Dong-Il Lee ,  Hyoun-Jeong Shin

发明人： Ho-Jae Lee ,  Dong-Il Lee ,  Hyoun-Jeong Shin

IPC分类号： H02K37/14 ,  H02K5/24 ,  H02K21/12

CPC分类号： H02K29/03

摘要： A rotor of a BLDC motor includes: a rotor divided into a north pole and a south pole on the basis of a magnetic pole separating line; and a stator at which the rotor is disposed with an air gap, the stator having a first pole shoe, a second pole shoe and a pair of detent grooves at its inner surface, wherein an air gap forming portion for enlarging an air gap between the rotor and the detent grooves is formed at both end portions of the rotor where the magnetic pole separating line passes, so that the rotor can maintain the motor performance and reduce resonance noise by reducing only higher degree of cogging torque from cogging torque generated when the motor is driven.

摘要翻译： BLDC电动机的转子包括：转子，其基于磁极分离线分为北极和南极; 以及定子，转子配置有气隙，所述定子在其内表面具有第一极靴，第二极靴和一对止动槽，其中气隙形成部分用于扩大所述转子的间隙 转子和止动槽形成在磁极分离线通过的转子的两个端部处，从而转子可以通过仅仅减小齿轮转矩从齿轮转矩产生的较高的齿槽转矩来保持电动机性能并降低谐振噪声 被驱动。