ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,972, issued on Oct. 21, was assigned to NTN Corp. (Osaka, Japan).
"Electric oil pump" was invented by Naotsugu Kitayama (Shizuoka, Japan), Masahiro Kawai (Shizuoka, Japan) and Kenji Mizushiri (Shizuoka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electric oil pump 1 includes: a pump unit 2 that generates hydraulic pressure; a motor unit 3 that drives the pump unit; a substrate 4 on which a control circuit for controlling the motor unit 3 is formed by a plurality of electronic components 41; and a housing 5 equipped with a pump accommodation unit 53 that houses the pump unit, a motor accommodation unit 54 that houses the motor unit, and a...