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:
Feb. 11, 2020
Filed:
Apr. 27, 2018
Mazda Motor Corporation, Aki-gun, Hiroshima, JP;
Naotoshi Shirahashi, Hiroshima, JP;
Tsunehiro Mori, Aki-gun, JP;
Takeshi Matsubara, Hiroshima, JP;
Takeshi Inazumi, Hiroshima, JP;
Keisuke Kawahara, Aki-gun, JP;
Mazda Motor Corporation, Aki-gun, Hiroshima, JP;
Abstract
A method of controlling a fuel injection of a diesel engine for performing a plurality of fuel injections to cause a plurality of combustions inside a cylinder in one combustion cycle, is provided, which includes acquiring an oxygen concentration inside the cylinder, performing, on compression stroke, the plurality of fuel injections at substantially even injection intervals while increasing the injection intervals as the oxygen concentration decreases, and performing, after the plurality of fuel injections, another fuel injection including a larger injection amount than in the plurality of fuel injections, near a top dead center of the compression stroke.