US 11,746,766 B2
Electric oil pump
Bingjiu Yin, Zhejiang (CN); Wei Ye, Zhejiang (CN); Yongfeng Sun, Zhejiang (CN); Kai Zhang, Zhejiang (CN); Fangxu Qian, Zhejiang (CN); and Liyang Huang, Zhejiang (CN)
Assigned to ZHEJIANG SANHUA INTELLIGENT CONTROLS CO., LTD, Zhejiang (CN)
Appl. No. 17/50,176
Filed by ZHEJIANG SANHUA INTELLIGENT CONTROLS CO., LTD, Zhejiang (CN)
PCT Filed May 27, 2019, PCT No. PCT/CN2019/088616
§ 371(c)(1), (2) Date Oct. 23, 2020,
PCT Pub. No. WO2019/228311, PCT Pub. Date Dec. 5, 2019.
Claims priority of application No. 201810519275.4 (CN), filed on May 28, 2018.
Prior Publication US 2021/0095651 A1, Apr. 1, 2021
Int. Cl. F04B 35/04 (2006.01); F04B 49/06 (2006.01); H02K 11/30 (2016.01); F04B 39/00 (2006.01); F04C 2/10 (2006.01)
CPC F04B 35/04 (2013.01) [F04B 49/06 (2013.01); F04B 39/00 (2013.01); F04C 2/10 (2013.01); F04C 2240/20 (2013.01); F04C 2240/30 (2013.01); H02K 11/30 (2016.01)] 19 Claims
OG exemplary drawing
 
1. An electric oil pump, comprising:
a pump housing having an inner pump cavity, wherein the inner pump cavity comprises a first cavity and a second cavity;
a first rotor assembly disposed in the first cavity;
a stator assembly and a second rotor assembly, which are disposed in the second cavity;
an electric control board;
a supporting member at least partially disposed between the stator assembly and the electric control board, wherein the supporting member comprises a main body portion, wherein the main body portion comprises a first surface and a second surface opposite to the first surface; and
a connecting terminal passing through the first surface and the second surface of the main body portion,
wherein the connecting terminal comprises a main portion, a first connecting portion, and a second connecting portion, wherein the main portion is disposed between the first connecting portion and the second connecting portion, and at least partially fitted tightly with the main body portion or at least partially fixed with the main body portion by injection molding; the first connecting portion is configured to at least partially protrude out from the main body portion, the second connecting portion is configured to at least partially protrude out from the main body portion, the first connecting portion is at least partially connected to the stator assembly, and the second connecting portion is at least partially connected to the electric control board;
wherein the supporting member further comprises a plurality of first reinforcing ribs, the plurality of first reinforcing ribs are configured to protrude out from the first surface of the main body portion toward the direction away from the first surface;
wherein the supporting member further comprises a positioning portion disposed on an axial direction of the supporting member, and the positioning portion is configured to protrude out from the first surface of the main body portion toward the direction away from the first surface; and
wherein the supporting member further comprises a second reinforcing rib connecting the positioning portion and a respective one of the plurality of first reinforcing ribs, and the second reinforcing rib is configured to protrude out from an upper surface of the respective one of the plurality of first reinforcing ribs toward a direction away from the upper surface of the respective one of the plurality of first reinforcing ribs in an axial direction of the positioning portion.