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:
May. 28, 2013
Filed:
Jun. 26, 2008
Applicants:
Michael James Uhrich, West Bloomfield, MI (US);
Shane Elwart, Ypsilanti, MI (US);
James Michael Kerns, Trenton, MI (US);
Jason Aaron Lupescu, Ypsilanti, MI (US);
Inventors:
Michael James Uhrich, West Bloomfield, MI (US);
Shane Elwart, Ypsilanti, MI (US);
James Michael Kerns, Trenton, MI (US);
Jason Aaron Lupescu, Ypsilanti, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Systems, methods, and computer readable storage media are described in which exhaust gas is routed to a hydrocarbon retaining device during starting, and purged to the engine intake manifold. Various alternative approaches are described for controlling operation and diagnosing degradation. Further, various interrelated configurations are described.