ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,693, issued on June 17, was assigned to YANMAR HOLDINGS Co. LTD. (Osaka, Japan).
"Engine, control device, and control" was invented by Gin Morita (Osaka, Japan), Daichi Matsunaga (Osaka, Japan) and Takafumi Tentora (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An engine includes a cylinder, a piston, an ignition device, a rotation sensor, an intake temperature sensor, an intake pressure sensor, and a control device. The ignition device ignites a gas mixture. The rotation sensor measures the rotation speed of a crankshaft. The intake temperature sensor measures the temperature of the gas mixture. The intake pressure sensor measures a f...