ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,215,643, issued on Feb. 4, was assigned to Hitachi Astemo Ltd. (Hitachinaka, Japan).
"Control device for internal combustion engine" was invented by Kazuhiro Oryoji (Hitachinaka, Japan) and Yoshihiko Akagi (Hitachinaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a control device for an internal combustion engine capable of realizing an operation of the internal combustion engine in a state in which a dilution is close to a limit. A processor (CPU 23a) of a control device for an internal combustion engine calculates a change amount of a parameter (for example, a combustion center position) indicating a combustion state of the interna...