US Patent Issued to Mazda Motor on Nov. 3 for "Combustion control apparatus for engine" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,781,701, issued on Nov. 3, was assigned to Mazda Motor Corp. (Aki-gun, Japan).

"Combustion control apparatus for engine" was invented by Takumi Umeki (Aki-gun, Japan), Hiroshi Okubo (Aki-gun, Japan) and Yusuke Okita (Aki-gun, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A combustion control apparatus for an engine can achieve early activation of a catalyst and preferable combustion. When a catalyst temperature is less than a determination temperature, an accelerated warm-up system (AWS) control is performed in which the ignition timing is retarded, and split injection is performed in which fuel injection is divided into two or more, including one...