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:
Mar. 27, 2012
Filed:
Dec. 21, 2007
Applicants:
Matthew T. Baird, Canton, MI (US);
Amr M. Radwan, Canton, MI (US);
Kevin D. Sisken, Saline, MI (US);
Bryant C. Pham, Canton, MI (US);
Inventors:
Matthew T. Baird, Canton, MI (US);
Amr M. Radwan, Canton, MI (US);
Kevin D. Sisken, Saline, MI (US);
Bryant C. Pham, Canton, MI (US);
Assignee:
Detroit Diesel Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of controlling dosing of a hydrocarbon fuel into the exhaust gas of a combustion engine upstream of a particulate filter when the exhaust gas temperature into an oxidation catalyst upstream of a particulate filter has dropped below the light-off temperature of the catalyst.