ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,892, issued on June 24, was assigned to DENSO Corp. (Kariya, Japan).
"Integrated pump device" was invented by Tomohiro Takahashi (Kariya, Japan), Kazunori Uchida (Kariya, Japan) and Motoyoshi Ando (Kariya, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An integrated pump device includes a motor, an oil pump rotated by a driving force of the motor and configured to discharge oil drawn from an oil pan, and a hydraulic actuator configured to switch between an advance state and a retard state by a hydraulic pressure created by the oil pump. The hydraulic actuator is a parking lock actuator, and includes a housing having vane chambers and a vane ro...