US Patent Issued to TOYOTA JIDOSHA on Sept. 29 for "Dry sump engine" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,683, issued on Sept. 29, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).

"Dry sump engine" was invented by Takahiro Higashi (Toyota, Japan), Yuya Horii (Toyota, Japan), Motohiro Yuge (Toyota, Japan) and Hirotaka Takeuchi (Nisshin, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A dry sump engine having a simple structure to certainly prevent a pressure rise in an oil tank. In the dry sump engine, a solenoid valve is arranged between the oil tank and a gas receiving section. A controller comprises: a low-pressure determiner that determines whether a pressure in the oil tank is lower than a first reference pressure level; a condition determ...