Patent ID: 9543802
Date: 2017-01-10
CPC Classifications: H02K

Claim:
1. A motor drive apparatus integrally comprising: a motor contained in a frame; and a motor drive control apparatus, placed in the direction of the rotation axis of the motor, for performing drive control of the motor, wherein the motor drive control apparatus comprises: a heat sink, on which a switching element for performing drive control of the motor is mounted, placed on the front side or the rear side of the motor; and a housing coupled to the heat sink, and wherein an abutment surface between the housing and the heat sink extends continuously around the housing and the heat sink and is located on a single plane intersecting with the direction of the rotation axis of the motor, and screw holes for coupling the frame, the heat sink and the housing to each other are formed in the frame, the heat sink and the housing and provided such that the positions in the circumferential direction of the screw holes correspond to each other.