ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,335, issued on Oct. 14, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).
"Engine control device" was invented by Hiroaki Kosaka (Toyota, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The control device is applied to an engine that uses hydrogen as a fuel. The control device includes a processing circuit that adjusts the valve overlap amount by controlling the valve timing of at least one of the intake valve and the exhaust valve. The processing circuit increases the amount of valve overlap when the engine is operated in the high-load, high-rotation range as compared to the case where it is not."
The patent was filed on Nov. 13, 2024, und...