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:
May. 04, 2021
Filed:
Mar. 04, 2020
Mazda Motor Corporation, Hiroshima, JP;
Masanari Sueoka, Hiroshima, JP;
Junichi Taga, Higashihiroshima, JP;
Hideki Omori, Hiroshima, JP;
Keiji Maruyama, Hiroshima, JP;
Tatsuhiro Tokunaga, Aki-gun, JP;
Takuya Ohura, Hiroshima, JP;
Toru Miyamoto, Higashihiroshima, JP;
Tomohiro Nishida, Hiroshima, JP;
Kenji Tanimura, Hiroshima, JP;
Shinji Takayama, Hiroshima, JP;
Yusuke Kawai, Hiroshima, JP;
Atsushi Inoue, Aki-gun, JP;
Mazda Motor Corporation, Hiroshima, JP;
Abstract
A combustion control device for an engine includes a plurality of cylinders, a surge tank disposed in an intake path to the cylinders, an independent intake passage connecting the surge tank and an intake port of each of the cylinders, a fuel injection valve that is disposed for each of the cylinders and that supplies fuel into each of the cylinders, and a control unit that controls a fuel injection amount of each of the fuel injection valves according to an engine operating state. The control unit corrects a target fuel injection amount of each of the cylinders, the target fuel injection amount being determined according to the engine operating state, based on a re-intake correction amount set in each of the cylinders according to a re-intake amount of intake air from the intake port in internal EGR in each of the cylinders.