ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,456, issued on Nov. 25, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).
"Controller for internal combustion engine" was invented by Tatsuhiko Nagashima (Toyoake, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A controller for an internal combustion engine acquires a rotation speed, a load factor, and a current torque from sensors mounted on a vehicle. The controller calculates a predicted torque and a predicted blow-by gas amount based on the rotation speed and the load factor. The controller calculates an estimated richness ratio indicating a ratio at which an air-fuel mixture in a combustion chamber has been enriched by blow-by gas, bas...