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:
Sep. 17, 2024
Filed:
Oct. 10, 2023
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Abstract
An engine system includes an engine including first and second cylinders, a catalyst provided in an exhaust passage of the engine, and a control device for the engine. The control device includes a fuel cut control unit configured to execute a specific cylinder fuel cut process of stopping supply of fuel to the first cylinder and supplying fuel to the second cylinder when there is a request to warm up the catalyst, an injection amount control unit configured to increase a fuel injection amount in the second cylinder at a predetermined increase rate during execution of the specific cylinder fuel cut process, as compared to a case where the specific cylinder fuel cut process is stopped, and an injection timing control unit configured to advance a fuel injection timing in a compression stroke of the second cylinder during execution of the specific cylinder fuel cut process is stopped.