US 12,407,227 B2
Electric oil pump
Lili Liu, Zhejiang (CN); Dongdong Sun, Zhejiang (CN); Wei Ye, Zhejiang (CN); and Weijie Shi, Zhejiang (CN)
Assigned to ZHEJIANG SANHUA AUTOMOTIVE COMPONENTS CO., LTD., Zhejiang (CN)
Appl. No. 18/026,581
Filed by ZHEJIANG SANHUA AUTOMOTIVE COMPONENTS CO., LTD., Zhejiang (CN)
PCT Filed Sep. 14, 2021, PCT No. PCT/CN2021/118180
§ 371(c)(1), (2) Date Mar. 15, 2023,
PCT Pub. No. WO2022/057785, PCT Pub. Date Mar. 24, 2022.
Claims priority of application No. 202010970515.X (CN), filed on Sep. 15, 2020; and application No. 202011057359.4 (CN), filed on Sep. 15, 2020.
Prior Publication US 2023/0336057 A1, Oct. 19, 2023
Int. Cl. H02K 11/40 (2016.01); F04C 2/10 (2006.01); F04C 13/00 (2006.01); H02K 11/02 (2016.01); H02K 11/33 (2016.01)
CPC H02K 11/40 (2016.01) [F04C 2/10 (2013.01); F04C 13/002 (2013.01); H02K 11/02 (2013.01); H02K 11/33 (2016.01); F04C 2210/206 (2013.01); F04C 2240/30 (2013.01); F04C 2240/40 (2013.01); H02K 2211/03 (2013.01)] 13 Claims
OG exemplary drawing
 
1. An electronic oil pump, comprising a stator assembly and an electric control board assembly, wherein the stator assembly is electrically connected with the electric control board assembly; the electric control board assembly comprises an electronic component; the electronic oil pump further comprises a pump housing and a conductive member, the pump housing can conduct electricity, and the conductive member electrically connects a reference ground plane of the electric control board assembly with the pump housing,
wherein the electronic oil pump further comprises a partition member, at least part of the partition member is located between the stator assembly and the electric control board assembly; wherein the conductive member is used as an insert, and the partition member is formed by injection molding, along a height direction of the partition member, part of the conductive member passes through the partition member; wherein the joint between the conductive member passing through the partition member and the partition member is sealed,
wherein the partition member comprises a first convex part, the first convex part protrudes from an upper surface of a main body of the partition member, and the conductive member passes through the first convex part: wherein the first convex part comprises a groove, and the groove is recessed from the upper surface of the first convex part, the groove does not reach the lower surface of the main body of the partition member, the conductive member passing through the main body of the partition member passes through the groove, sealant is filled between the outer periphery of part of the conductive member and the inner wall of the groove, and this part of the conductive member is located in the groove.