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:
Sep. 17, 2013
Filed:
Jul. 13, 2009
Stephen W. Bird, Peterborough, GB;
Paul J. Quinney, Peterborough, GB;
Sanjay K. Rajani, Peterborough, GB;
James J. Reed, Yaxley, GB;
Anil Raina, Peoria, IL (US);
Stephen W. Bird, Peterborough, GB;
Paul J. Quinney, Peterborough, GB;
Sanjay K. Rajani, Peterborough, GB;
James J. Reed, Yaxley, GB;
Anil Raina, Peoria, IL (US);
Perkins Engines Company Limited, Peterborough, GB;
Abstract
In one aspect an internal combustion engine assembly may be provided that may include at least one combustion chamber and an exhaust system with an after-treatment system that may have an oxidation catalyst and a particulate filter. The internal combustion engine assembly may include an electronic controller that may have a de-contamination function that may, responsive to a command be configured to de-contaminate the particulate filter and the oxidation catalyst. To that end, a method may be provided to, and the controller may be configured to increase the exhaust gas temperature at an inlet of the after-treatment system to above a de-contamination temperature during a certain time period.