ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,587, issued on May 20, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).
"Controller for internal combustion engine" was invented by Masanori Toya (Inazawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Processing circuitry controls a fuel injection amount of a direct injection valve provided in an internal combustion engine that uses hydrogen as fuel. An amount of combustion gas that flows back into the direct injection valve due to occurrence of pre-ignition is defined as a backflow amount. A single combustion cycle starting from a cylinder where fuel injection is performed subsequent to a cylinder where the pre-ignition has occurred is ...