MOTOR AND ELECTRIC POWER STEERING DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a motor having a structure which inhibits contamination from adhering to a control board.SOLUTION: A motor according to one embodiment of the invention includes: a rotor having a shaft; a stator; a bearing supporting the shaft; a cylindrical motor housing which holds the stator and opens at one side; a bearing holder which is positioned at one side of the stator and holds the bearing; a control board positioned at one side of the bearing holder; a rotation sensor attached to the control board; a control board housing which is positioned at the one side of the motor housing and houses the control board; a sensor magnet which is positioned closer to one side than the bearing and attached to the shaft; and a non-magnetic contamination cover which includes at least part thereof positioned in an axial space between the control board and the bearing holder and covers one side of the shaft, the bearing, and the sensor magnet.SELECTED DRAWING: Figure 1