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. 06, 2011
Filed:
May. 09, 2008
Matthew T. Baird, Canton, MI (US);
Amr M. Radwan, Canton, MI (US);
Kevin D. Sisken, Saline, MI (US);
Bryant C. Pham, Canton, MI (US);
Mark A. Zurawski, Northville, MI (US);
Heather A. Staley, Garden City, MI (US);
Matthew T. Baird, Canton, MI (US);
Amr M. Radwan, Canton, MI (US);
Kevin D. Sisken, Saline, MI (US);
Bryant C. Pham, Canton, MI (US);
Mark A. Zurawski, Northville, MI (US);
Heather A. Staley, Garden City, MI (US);
Detroit Diesel Corporation, Detroit, MI (US);
Abstract
One embodiment of the invention includes a method of operating an internal combustion engine system comprising an engine, an oxidation catalyst, and a particulate filter, the method comprising: determining if the outlet temperature of exhaust gas from the oxidation catalyst is below a first temperature, measuring the time that the outlet temperature of exhaust gas from the oxidation catalyst is below the first temperature, determining if the measured time has exceeded a first time period, and if so, elevating the temperature of the exhaust gas exiting the oxidation catalyst.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile