US 12,283,849 B2
Motor controller and vehicle having same
Yuzhuo Liu, Shenzhen (CN); Wanguo Chen, Shenzhen (CN); and Xingchun Zhang, Shenzhen (CN)
Assigned to BYD COMPANY LIMITED, Shenzhen (CN)
Filed by BYD COMPANY LIMITED, Guangdong (CN)
Filed on Nov. 23, 2022, as Appl. No. 17/992,989.
Application 17/992,989 is a continuation of application No. PCT/CN2021/094671, filed on May 19, 2021.
Claims priority of application No. 202020926651.4 (CN), filed on May 27, 2020.
Prior Publication US 2023/0079752 A1, Mar. 16, 2023
Int. Cl. H02K 11/33 (2016.01); H02K 5/22 (2006.01)
CPC H02K 11/33 (2016.01) [H02K 5/22 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A motor controller, comprising:
a box, wherein a low-voltage control layer, a driver layer, and a power layer are sequentially laminated in the box;
a low-voltage control unit in the low-voltage control layer;
a driver unit in the driver layer;
a power unit in the power layer; and
an electromagnetic shield between the low-voltage control layer and the driver layer;
wherein the power layer comprises a capacitor and an inductor, the inductor of the power layer is located in a central area of a lower surface of the power layer, and the capacitor of the power layer surrounds the inductor of the power layer along a circumferential direction of the inductor of the power layer.