Abstract: A motor includes a motor part and an amplifier configured to supply electric power to the motor part. The motor part includes a stator and a rotor. The amplifier includes a first frame constituting a housing of the amplifier and a second frame. The second frame is arranged on a first face located in a direction perpendicular to a rotation axis direction of the rotor at the first frame. At least one substrate housed in the first frame is attached to the second frame.

Abstract: A motor includes a motor part and an amplifier configured to supply electric power to the motor part. The motor part includes a stator and a rotor. The amplifier includes a first frame constituting a housing of the amplifier and a second frame. The second frame is arranged on a first face located in a direction perpendicular to a rotation axis direction of the rotor at the first frame. At least one substrate housed in the first frame is attached to the second frame.

Abstract: A motor controller which is inexpensive and has high cooling performance by using an extrusion heat sink (1), reducing the number of parts, and reducing the man-hours of assembling is provided. In a motor controller including an extrusion heat sink (1), and a power semiconductor module (4) including a plurality of external electrode terminals which closely contact the extrusion heat sink (1), and a printed circuit board having the plurality of external electrode terminals connected thereto, die-casting frames (2) in which a pedestal (2a) for attaching a motor controller and bosses (2b) for attaching a printed circuit board are molded are provided at both ends of the extrusion heat sink (1).

Abstract: A motor controller capable of relaxing the temperature of a heat source which generates heat by driving the motor controller, and capable of realizing miniaturization and low price is provided. In a motor controller in which a power semiconductor module (2) which closely contact a heat sink (1) is mounted on a substrate (4), and a fan (6) is attached to the heat sink (1) by a fan case (8), portions of fins (1g) of the heat sink (1) are formed with a bell mouth (1c) and a circular-arc-shaped guide (1h), and the radiating capability of the fins (1g) is improved by effectively using the wind of the fan (6).

Abstract: A motor controller which is inexpensive and has high cooling performance by using an extrusion heat sink (1), reducing the number of parts, and reducing the man-hours of assembling is provided. In a motor controller including an extrusion heat sink (1), and a power semiconductor module (4) including a plurality of external electrode terminals which closely contact the extrusion heat sink (1), and a printed circuit board having the plurality of external electrode terminals connected thereto, die-casting frames (2) in which a pedestal (2a) for attaching a motor controller and bosses (2b) for attaching a printed circuit board are molded are provided at both ends of the extrusion heat sink (1).

Abstract: A motor controller capable of relaxing the temperature of a heat source which generates heat by driving the motor controller, and capable of realizing miniaturization and low price is provided. In a motor controller in which a power semiconductor module (2) which closely contact a heat sink (1) is mounted on a substrate (4), and a fan (6) is attached to the heat sink (1) by a fan case (8), portions of fins (1g) of the heat sink (1) are formed with a bell mouth (1c) and a circular-arc-shaped guide (1h), and the radiating capability of the fins (1g) is improved by effectively using the wind of the fan (6).