公开(公告)号：US20030228079A1

公开(公告)日：2003-12-11

申请号：US10426898

申请日：2003-04-29

申请人： SANKYO SEIKI MFG. CO., LTD.

发明人： Hitoshi Mutai ,  Kenichi Hoshina

IPC分类号： F16C017/04

CPC分类号： F16C17/08 ,  F16C27/08 ,  F16C2380/27 ,  H02K7/06 ,  H02K7/081 ,  Y10S384/902

摘要： A motor includes a rotor section with a rotor shaft having an end section, and a stator section including a yoke section disposed opposite the rotor section. The motor is also equipped with a bearing assembly having a bearing member that includes a main bearing section with a recess section and a ball bearing received in the recess section wherein the ball bearing rotatably support the end section of the rotor shaft, and a bearing holder defining a center through hole that slidably holds the main bearing section of the bearing member in the axial direction, wherein the bearing holder is formed from a sintered compact member.

摘要翻译： 电动机包括转子部分，转子轴具有端部部分，以及定子部分，其包括与转子部分相对设置的轭部。 电动机还配备有具有轴承部件的轴承组件，轴承部件包括具有凹部的主轴承部和容纳在凹部中的滚珠轴承，其中滚珠轴承可旋转地支撑转子轴的端部，并且轴承保持架 限定了沿轴向方向可滑动地保持轴承构件的主轴承部分的中心通孔，其中轴承座由烧结压块构成。