Patent ID: 7909130

Claim:
An electric power steering apparatus in which a motor housing of an electric motor, which is adapted to output an assist torque to a steering wheel of a vehicle, and a drive housing of a drive control unit, which serves to control the driving of an output shaft of said electric motor, are fixedly secured to each other at a mating surface with a screw in a surface to surface contact manner, and in which said motor housing and a gear housing that receives therein a gear connected with said output shaft of said electric motor are coupled with each other on the one and same axis, wherein a location of connection, at which a connecting portion of said electric motor and a connecting portion of said drive control unit are electrically connected to each other by a fastening member, is arranged at a joint location at which end portions of said motor housing and said drive housing are joined to each other, the screw and the fastening member are inserted into the motor housing and the drive housing and the connecting portions, respectively, at a side of the drive control unit opposite the gear housing, and the drive control unit extends away from the gear housing in a direction parallel to the axis and is arranged at a side to overlap with the gear housing when seen along a direction perpendicular to the axis.