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:
May. 10, 2016
Filed:
May. 04, 2010
Julian C. Tan, Canton, MI (US);
John Zeilstra, Chicago, IL (US);
Christoph Thoele, Holdorf, DE;
Gustavo Tepedino, Ann Arbor, MI (US);
Julian C. Tan, Canton, MI (US);
John Zeilstra, Chicago, IL (US);
Christoph Thoele, Holdorf, DE;
Gustavo Tepedino, Ann Arbor, MI (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
An engine control system includes an injection determination module and an injection regulation module. The injection determination module determines a desired rate of hydrocarbon (HC) injection into exhaust gas produced by an engine for regeneration of a particulate matter (PM) filter. The injection regulation module increases a rate of HC injection from a first rate to the desired rate during a predetermined period before regeneration of the PM filter, wherein the predetermined period is based on a difference between a predetermined temperature and a temperature at an outlet of an oxidation catalyst (OC).