ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,813, issued on Dec. 2, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).
"Engine control device" was invented by Yusuke Ouchi (Okazaki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An engine control device includes that controls an air excess rate of each of N (an integer of 2 or more) cylinders by controlling an intake air amount and a fuel injection amount of each of the N cylinders; and a determination unit for determining whether or not there is a request to switch the air excess rate controlled by Lambda1 to Lambda2 different from Lambda1. When an affirmative determination is made by the determination unit, the control unit controls t...