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:
Feb. 15, 2011
Filed:
Feb. 29, 2008
Susannah Elizabeth Danby, Peterborough, GB;
Stephen Anthony Faulkner, Stamford, GB;
David Mark Heaton, Nr Peterborough, GB;
Robert Southall, St Neots, GB;
Susannah Elizabeth Danby, Peterborough, GB;
Stephen Anthony Faulkner, Stamford, GB;
David Mark Heaton, Nr Peterborough, GB;
Robert Southall, St Neots, GB;
Perkins Engines Company Limited, Peterborough, GB;
Abstract
In one aspect, the present disclosure is directed to a method for treating exhaust from an engine. The method may comprise generating a first signal indicative of an engine load and generating a second signal indicative of a pollutant level. The method may further comprise recirculating exhaust based on the first signal and injecting a reductant based on the first signal and the second signal.