The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 16, 2008
Filed:
May. 19, 2005
Hitoshi Adachi, Osaka, JP;
Tomohiro Otani, Osaka, JP;
Fumiya Kotou, Osaka, JP;
Hideo Shiomi, Osaka, JP;
Hitoshi Adachi, Osaka, JP;
Tomohiro Otani, Osaka, JP;
Fumiya Kotou, Osaka, JP;
Hideo Shiomi, Osaka, JP;
Yanmar Co., Ltd., Osaka, JP;
Abstract
An engine revolution in an expansion stroke of a cylinder is calculated, and stored, from a time that is required for a crank shaft to rotate by a predetermined angle from a compression upper dead center of that cylinder, and to determine the fuel injection amount, in averaging these stored revolutions from the cylinder immediately prior to a cylinder before the cylinder that is immediately prior to obtain a revolution that serves as the engine revolution, how many past cylinders are retroactively averaged is switched according to the engine operation state.