ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,340, issued on Oct. 14, was assigned to YANMAR HOLDINGS Co. LTD. (Osaka, Japan).
"Engine" was invented by Yuji Kawabata (Osaka, Japan), Junichi Niimi (Osaka, Japan), Katsunari Jonouchi (Osaka, Japan) and Masahiro Itani (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An engine includes a control unit that controls the EGR valve. The control unit selects a predetermined control mode from at least a first mode, a second mode, and a third mode according to at least an engine speed and a fuel injection amount, and controls the EGR valve in the selected control mode. The first mode is a control mode in which the EGR valve is fully closed. The...