ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,477, issued on Nov. 11, was assigned to COAVIS (Sejong-si, South Korea).
"Valve-integrated electric water pump" was invented by Hyun Tae Lee (Sejong-si, South Korea) and Woo Keun Lee (Sejong-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a valve-integrated electrical water pump in which an impeller for circulating a coolant to the outside and a valve for selectively opening and closing a plurality of ports inside an integrated housing to control a circulation of a coolant used in electric vehicles, thereby simplifying the overall structure of the pump and simplifying an internal flow path."
The patent was filed on Dec. 1...