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:
Jun. 10, 2014
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;
Amotech Co., Ltd., Incheon-Si, KR;
Myunghwa Ind. Co., Ltd., Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Abstract
The present invention relates to an electric water pump having improved performance and durability. The electric water pump may include a stator generating a magnetic field according to a control signal, a rotor rotated by the magnetic field, a pump cover having an inlet and an outlet, a body having a front surface forming a volute chamber, a stator chamber, and a rotor chamber, the stator mounted in the stator chamber and the rotor mounted in the rotor chamber, a shaft having a central axis, fixed to the rotor and mounted in the rotor chamber, and an impeller fixed to the shaft so as to rotate together with the shaft, pressurizing the coolant having flowed in through the inlet, and mounted in the volute chamber, wherein the rotor chamber is fluidly connected to the volute chamber, and the stator chamber is fluidly closed and sealed from the rotor chamber.