US 11,942,828 B2
Cooling system, stator assembly, and axial magnetic field motor
Guangquan Zhang, Shanghai (CN); Lei Tang, Shanghai (CN); and Liang Peng, Shanghai (CN)
Assigned to SHANGHAI PANGOOD POWER TECHNOLOGY, Shanghai (CN)
Appl. No. 17/422,424
Filed by SHANGHAI PANGOOD POWER TECHNOLOGY CO., LTD., Shanghai (CN)
PCT Filed Dec. 27, 2019, PCT No. PCT/CN2019/129106
§ 371(c)(1), (2) Date Jul. 12, 2021,
PCT Pub. No. WO2020/147551, PCT Pub. Date Jul. 23, 2020.
Claims priority of application No. 201910031452.9 (CN), filed on Jan. 14, 2019; application No. 201910031465.6 (CN), filed on Jan. 14, 2019; application No. 201910031826.7 (CN), filed on Jan. 14, 2019; application No. 201910208603.3 (CN), filed on Mar. 19, 2019; and application No. 201910208629.8 (CN), filed on Mar. 19, 2019.
Prior Publication US 2022/0115924 A1, Apr. 14, 2022
Int. Cl. H02K 1/2795 (2022.01); H02K 1/20 (2006.01); H02K 5/20 (2006.01); H02K 9/19 (2006.01); H02K 9/197 (2006.01)
CPC H02K 1/2795 (2022.01) [H02K 1/20 (2013.01); H02K 5/203 (2021.01); H02K 9/19 (2013.01); H02K 9/197 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A cooling system for cooling a stator iron core, comprising a housing and an enclosed chamber for containing the stator iron core, wherein the cooling system further comprises:
a liquid spraying cavity for containing liquid, which is provided on the housing;
a liquid inlet communicating with the liquid spraying cavity;
a liquid outlet communicating with the enclosed chamber; and
a liquid spraying component provided on an inner wall of the housing, which corresponds to the stator iron core.
 
11. A stator component, comprising a housing and a stator iron core provided inside the housing; wherein the stator iron core and the housing define a first cooling space, and a middle portion of the stator iron core defines a second cooling space;
the housing is provided with a liquid inlet cavity and a liquid outlet cavity;
a liquid inlet communicating with the liquid inlet cavity and a liquid outlet communicating with the liquid outlet cavity are provided on an outer wall of the housing;
a first intermediate liquid port communicating with the liquid inlet cavity and a second intermediate liquid port communicating with the liquid outlet cavity are provided on an inner wall of the housing; and
a plurality of cooling passages are provided on the stator iron core, and the first cooling space and the second cooling space are communicated with each other through the cooling passages.