ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,368, issued on Feb. 17, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).
"Internal combustion engine" was invented by Hiroaki Ikegami (Toyota, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The internal combustion engine includes an oil storage portion in which a suction portion of oil supplied to various parts of the internal combustion engine body is disposed, an oil channel through which the bubble-containing oil returned from the various parts of the internal combustion engine body to the oil storage portion flows, and a high pressure portion in which the oil is supplied and becomes higher than the atmospheric pressure, and an oil inje...