ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,144, issued on July 21, was assigned to SUBARU Corp. (Tokyo).
"Vehicle control apparatus" was invented by Tetsu Matsuzaki (Tokyo), Akihiro Kawakami (Tokyo) and Yusuke Inokuchi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vehicle control apparatus includes a lock-up control valve that controls a lock-up piston and a control system. A spool valve stem of the rock-up control valve is configured to move to an engagement position where working fluid is supplied to an apply oil path, a disengagement position where the working fluid is supplied to a release oil path, and the intermediate position. The control system is configured to perform a fi...