ALEXANDRIA, Va., June 17 -- United States Patent no. 12,316,204, issued on May 27, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).

"Reflief valve configuration in vehicle driving apparatus" was invented by Sho Ito (Toyota, Japan) and Seitaro Nobuyasu (Okazaki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vehicle driving apparatus includes: a rotating machine; a cover covering the rotating machine and including a thick portion having a predetermined thickness in a direction of a rotation axis of the rotating machine; an oil pump attached to the cover; and a relief valve provided in the cover, and configured to discharge an oil supplied from the oil pump. The relief valve includes a cylinder roo...