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:
Jun. 04, 2019
Filed:
Dec. 21, 2017
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Hajime Shimizu, Gotemba, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Abstract
A control device for an internal combustion engine provided with a combustion control part sequentially injecting at least a primary auxiliary fuel, secondary auxiliary fuel, and main fuel from a fuel injector in predetermined operating regions, causing compressive ignition sequentially from a premix containing the primary auxiliary fuel after injection of the main fuel, and causing compressive ignition of a premix containing the main fuel using heat generated when causing compressive ignition of a premix containing the secondary auxiliary fuel, the combustion control part setting a target injection amount and target injection timing of the primary auxiliary fuel so that a peak value and a slant of a heat generation rate pattern formed by a premix containing the primary auxiliary fuel is smaller than peak values and slants of heat generation rate patterns formed by the premixes containing the secondary auxiliary fuel and the main fuel.
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