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. 02, 2008
Filed:
Oct. 07, 2005
Applicant:
Mark S. Ehlers, Fort Wayne, IN (US);
Inventor:
Mark S. Ehlers, Fort Wayne, IN (US);
Assignee:
International Truck Intellectual Property Company, LLC, Warrenville, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 3/00 (2006.01); F01N 3/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The aftertreatment apparatus and method of the invention concentrate diesel exhaust under low engine load conditions in a motor vehicle, such as idling, before filtering the diesel exhaust. The apparatus has a housing which is in fluid communication with a filter and other components of the diesel exhaust system. The apparatus has an exhaust concentrator to concentrate the low load diesel exhaust. The concentrated exhaust is directed a limited part of the filter and/or the catalytic device, such as the center. The exhaust concentrator is at least partially disposed within the housing.