The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 24, 2015
Filed:
Jul. 30, 2010
Jeawoong Yi, Hwaseong-si, KR;
Seung Yong Lee, Yongin-si, KR;
Gyuhwan Kim, Suwon-si, KR;
Yun Seok Kim, Yongin-si, KR;
Yong Sun Park, Yongin-si, KR;
Tae-sung OH, Ansan-si, KR;
Kyung-hwan Kim, Incheon-si, KR;
Jong-hoon Lee, Incheon-si, KR;
Kwang-ho Lee, Cheonan-si, KR;
Jeawoong Yi, Hwaseong-si, KR;
Seung Yong Lee, Yongin-si, KR;
Gyuhwan Kim, Suwon-si, KR;
Yun Seok Kim, Yongin-si, KR;
Yong Sun Park, Yongin-si, KR;
Tae-Sung Oh, Ansan-si, KR;
Kyung-Hwan Kim, Incheon-si, KR;
Jong-Hoon Lee, Incheon-si, KR;
Kwang-Ho Lee, Cheonan-si, KR;
Hyundai Motor Company, Seoul, KR;
Myunghwa Ind. Co., Ltd., Seoul, KR;
Amotech Co., Ltd., Incheon-Si, KR;
Kia Motors Corporation, Seoul, KR;
Abstract
An electric water pump apparatus may include a body having a stator chamber and a rotor chamber therein, a stator having a hollow cylindrical shape and being disposed in the stator chamber and generating a magnetic field, wherein the stator fluidly insulates the stator chamber and the rotor chamber, a rotor disposed in the rotor chamber and enclosed by the stator, wherein the rotor is rotated by the magnetic field, and a pump cover connected to the body and forming a volute chamber therein, wherein the volute chamber and the rotor chamber are fluidly-communicated through a connecting hole formed to the body and a coolant is supplied to the rotor chamber through the connection hole, wherein the stator includes a stator groove formed in an inner circumference therein and the stator groove is fluid-connected to the rotor chamber and the volute chamber through the connection hole.