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:
Jul. 10, 2018
Filed:
Apr. 06, 2015
Nissan Motor Co., Ltd., Yokohama-shi, Kanagawa, JP;
Tadaki Mano, Kanagawa, JP;
Takatoshi Saitou, Kanagawa, JP;
Kunpei Tomioka, Kanagawa, JP;
Nobuyuki Edamatsu, Kanagawa, JP;
Kohei Kubota, Kanagawa, JP;
Daisei Nagaoka, Kanagawa, JP;
Kazuyuki Kogiso, Kanagawa, JP;
Nissan Motor Co., Ltd., Yokohama-shi, Kanagawa, JP;
Abstract
Internal combustion engine has direct injection fuel injection valve and port injection fuel injection valve. A requested fuel injection amount is calculated according to an engine operation condition. When the requested fuel injection amount is in first operation region in which the minimum fuel injection amount of direct injection fuel injection valve is exceeded, a direct injection fuel injection valve fuel injection amount is adjusted based on the requested fuel injection amount and a fixed amount, while maintaining a port injection fuel injection valve fuel injection amount at the fixed amount. First operation region is at least a region in which the requested fuel injection amount exceeds the direct injection fuel injection valve minimum fuel injection amount. In first operation region, the port injection fuel injection valve fuel injection amount is fixed at the minimum fuel injection amount of port injection fuel injection valve.