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.

Date of Patent:
Nov. 03, 2026

Filed:

Jul. 25, 2025
Applicant:

Mazda Motor Corporation, Aki-gun, JP;

Inventors:

Naoki Bando, Aki-gun, JP;

Yusuke Kuroiwa, Aki-gun, JP;

Takahiro Kawamura, Aki-gun, JP;

Atsushi Ohshita, Aki-gun, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D 41/00 (2006.01); F02D 1/02 (2006.01);
U.S. Cl.
CPC ...
F02D 41/0005 (2013.01); F02D 1/02 (2013.01); F02D 2200/0802 (2013.01); F02D 2200/602 (2013.01);
Abstract

When an accelerator opening degree decreases to be lower than a predetermined accelerator determination opening degree, a control device implements a fuel cut that stops fuel injection by an injector; and in implementation of fuel cut, when a catalyst temperature is high, the control device implements an intake air amount increase control to control an intake air amount adjustment device so that an intake air amount is larger than when a catalyst temperature is low, and in implementation of the intake air amount increase control, when a brake sensor detects that a brake is in operation, the control device controls the intake air amount adjustment device so that the intake air amount becomes larger than when the brake sensor detects that the brake is in non-operation.


Find Patent Forward Citations

Quick Actions:

Bando, Naoki. (2026). Control system for engine (U.S. Patent No. 12781674). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12781674

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