US 11,735,974 B2
Electric assembly and vehicle having the same
Guangquan Chen, Shenzhen (CN); Daqi Chen, Shenzhen (CN); Chunlei Liu, Shenzhen (CN); and Shuanghong Jing, Shenzhen (CN)
Assigned to BYD COMPANY LIMITED, Shenzhen (CN)
Appl. No. 16/969,400
Filed by BYD COMPANY LIMITED, Shenzhen (CN)
PCT Filed Jan. 28, 2019, PCT No. PCT/CN2019/073413
§ 371(c)(1), (2) Date Aug. 12, 2020,
PCT Pub. No. WO2019/154154, PCT Pub. Date Aug. 15, 2019.
Claims priority of application No. 201810146302.8 (CN), filed on Feb. 12, 2018; and application No. 201820254974.6 (CN), filed on Feb. 12, 2018.
Prior Publication US 2021/0057959 A1, Feb. 25, 2021
Int. Cl. H02K 9/19 (2006.01); H02K 5/12 (2006.01); F16H 57/04 (2010.01); H02K 5/20 (2006.01); H02K 7/00 (2006.01); H02K 7/116 (2006.01)
CPC H02K 5/20 (2013.01) [F16H 57/04 (2013.01); H02K 5/12 (2013.01); H02K 7/006 (2013.01); H02K 7/116 (2013.01)] 17 Claims
OG exemplary drawing
 
1. An electric assembly, comprising:
a box assembly, wherein an mounting plate is disposed in the box assembly, and the mounting plate divides a space within the box assembly into a motor holding cavity and a transmission holding cavity;
a motor, wherein the motor is disposed in the motor holding cavity;
a transmission, wherein the transmission is disposed in the transmission holding cavity, and the motor is power-coupled to the transmission; and
a cooling lubricating liquid, wherein the cooling lubricating liquid fills the transmission holding cavity and cools the box assembly,
wherein
the box assembly comprises a transmission box and a motor box,
the transmission box comprises a front box and a rear box,
the motor box comprises a motor housing and a motor backend cover,
the front box and the motor housing are disposed adjacent to each other, and
the mounting plate is constructed as a part of the front box or a part of the motor housing, and
wherein
one or more of a first connection rib, a second connection rib and a third connection rib are connected between an outer surface of the front box and an outer surface of the motor housing,
the first connection rib is connected between an upper end face of the motor housing and an upper end face of the front box,
the second connection rib is connected between a lower end face of the motor housing and a lower end face of the front box, and
the third connection rib is located between the first connection rib and the second connection rib,
wherein the electric assembly further comprises a conductive sheet and a controller, and the conductive sheet is configured to connect the controller and the motor.