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. 04, 2018
Filed:
Jul. 26, 2016
GM Global Technology Operations Llc, Detroit, MI (US);
Jesse Michael Gwidt, Brighton, MI (US);
Jeffrey M. Hutmacher, Fowlerville, MI (US);
Rafat F. Hattar, Royal Oak, MI (US);
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Abstract
A method for operating a spark-ignition direct-injection internal combustion engine coupled to an exhaust aftertreatment system including a catalytic converter includes monitoring an operating state of the catalytic converter. The method further includes determining if a piston of the engine is entering an intake stroke. The method further includes injecting a first quantity of fuel into a cylinder in which the piston of the engine is entering the intake stroke, and injecting a second quantity of fuel into the cylinder in which the piston of the engine is entering the intake stroke.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile