US 12,231,006 B2
Drive control device for electric vehicle
Hidetoshi Kitanaka, Tokyo (JP)
Assigned to Mitsubishi Electric Corporation, Tokyo (JP)
Appl. No. 17/759,439
Filed by Mitsubishi Electric Corporation, Tokyo (JP)
PCT Filed Jan. 27, 2020, PCT No. PCT/JP2020/002750
§ 371(c)(1), (2) Date Jul. 26, 2022,
PCT Pub. No. WO2021/152657, PCT Pub. Date Aug. 5, 2021.
Prior Publication US 2023/0085115 A1, Mar. 16, 2023
Int. Cl. H02K 11/33 (2016.01); H02K 5/20 (2006.01); H02K 9/02 (2006.01); H02K 11/215 (2016.01)
CPC H02K 11/33 (2016.01) [H02K 5/203 (2021.01); H02K 9/02 (2013.01); H02K 11/215 (2016.01)] 19 Claims
OG exemplary drawing
 
1. A drive control device for electric vehicle, the drive control device comprising:
a motor part; and a converter part to control driving of the motor part, wherein
the motor part includes a motor frame made of metal and accommodating a stator and a rotor,
the motor frame has an outer circumferential face,
the converter part is disposed around the motor frame,
the converter part includes a semiconductor module including a semiconductor element,
the semiconductor module is directly or thermally in contact with the outer circumferential face of the motor frame,
the outer circumferential face of the motor frame includes a fixing face to be fixed to a truck,
the converter part is disposed in an area of the outer circumferential face of the motor frame avoiding the fixing face,
the converter part includes a capacitor connected with the semiconductor module, and
the capacitor is formed in a shape following the outer circumferential face of the motor frame, and attached to the outer circumferential face of the motor frame.