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:
Nov. 06, 2007
Filed:
Feb. 08, 2007
Applicants:
Guoqing Zhang, Lisle, IL (US);
Justin M. O'connor, Batavia, IL (US);
Michael J. Miller, Mount Prospect, IL (US);
Xinqun Gui, Naperville, IL (US);
Inventors:
Guoqing Zhang, Lisle, IL (US);
Justin M. O'Connor, Batavia, IL (US);
Michael J. Miller, Mount Prospect, IL (US);
Xinqun Gui, Naperville, IL (US);
Assignee:
International Engine Intellectual Property Company, LLC, Warrenville, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F02D 41/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Engine systems and methods for accomplishing regeneration of a NOx adsorber () using in-cylinder post-injection in a way that creates a lean-rich transition (FIG.) for regenerating the NOx adsorber while attenuating engine torque output fluctuations during the transition without the necessity of using torque sensing to attenuate the fluctuations.