US 12,283,872 B2
Motor having multiple cooling flow channels, arc-shaped channel, and liquid throwing holes
Zhao Luo, Guangzhou (CN); Zhenping Wan, Guangzhou (CN); Xuesong Hu, Guangzhou (CN); Rongsheng Xi, Foshan (CN); Peili Xie, Foshan (CN); and Maoxing He, Foshan (CN)
Assigned to South China University of Technology, Guangzhou (CN); and KINETEK DE SHENG (SHUNDE) MOTOR CO., LTD., Foshan (CN)
Filed by South China University of Technology, Guangzhou (CN); and KINETEK DE SHENG (SHUNDE) MOTOR CO., LTD., Foshan (CN)
Filed on Dec. 5, 2022, as Appl. No. 18/061,487.
Claims priority of application No. 202111578359.3 (CN), filed on Dec. 22, 2021.
Prior Publication US 2023/0198340 A1, Jun. 22, 2023
Int. Cl. H02K 9/19 (2006.01); H02K 1/20 (2006.01); H02K 1/32 (2006.01); H02K 5/20 (2006.01); H02K 9/193 (2006.01)
CPC H02K 9/193 (2013.01) [H02K 1/20 (2013.01); H02K 1/32 (2013.01); H02K 5/20 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A motor having multiple cooling flow channels, comprising a housing, a stator, and a rotor, wherein the stator comprises a stator core and a winding; the housing comprises a cooling liquid inlet, an arc-shaped flow channel, and a cooling liquid outlet; the arc-shaped flow channel is defined around the housing and connected to the stator core; the rotor comprises a rotor flow channel; both the rotor flow channel and the arc-shaped flow channel are communicated with the cooling liquid inlet and the cooling liquid outlet; and the rotor flow channel and the arc-shaped flow channel respectively correspond to two ends of the winding;
wherein the arc-shaped flow channel comprises a plurality of S-shaped flow channels connected in sequence;
wherein liquid spraying holes are defined on an inner side of the housing, are communicated with the arc-shaped flow channel, and are arranged corresponding to the two ends of the winding.