ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,549,045, issued on Feb. 10, was assigned to HITACHI ASTEMO LTD. (Hitachinaka, Japan).
"Electric water pump" was invented by Keita Sasaki (Hitachinaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electric water pump includes a motor housing including an inner wall, an outer wall, and a connection wall. The inner wall has a bottomed tubular shape and forms a first accommodation space inside for accommodating a rotor. The outer wall has a tubular shape, encompasses the inner wall, and forms a second accommodation space inside for accommodating a stator. The connection wall connects the inner wall to the outer wall radially at its impeller side....