ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,585, issued on May 20, was assigned to NISSAN MOTOR Co. LTD. (Yokohama, Japan).
"Startup control method for in-cylinder direct injection spark ignition internal combustion engine, and internal combustion engine system" was invented by Yuusuke Sakurai (Kanagawa, Japan), Kazuki Tanzawa (Kanagawa, Japan) and Yoshikatsu Matsuda (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "For an in-cylinder direct injection spark ignition internal combustion engine including an intake port provided with a tumble control valve, a startup control method is presented. When a startup of the engine satisfies a predetermined cold start condition requiring a...