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:
Dec. 26, 2023
Filed:
Aug. 24, 2022
GM Global Technology Operations Llc, Detroit, MI (US);
J. Michael Gwidt, Brighton, MI (US);
Matthew D. Defever, Berkley, MI (US);
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Abstract
In accordance with an exemplary embodiment, a method is provided for controlling operation of an engine of a vehicle during an idle mode of operation for the engine, the engine having a plurality of different types of fuel injectors and a combustion chamber, including: obtaining, via one or more first sensors of the vehicle, first sensor data as to a speed of the vehicle; obtaining, via one or more second sensors of the vehicle, second sensor data as to a measure of roughness of the engine; and adjusting, via instructions provided by a processor of the vehicle, a fuel injection ratio of respective amounts of fuel provided by the plurality of different types of fuel injectors to the combustion chamber, based on both the speed of the vehicle and the measure of roughness of the engine.