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:
Jul. 19, 2016
Filed:
Nov. 04, 2014
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Carolyn Parks Hubbard, Canton, MI (US);
Robert Walter McCabe, Novi, MI (US);
Eva Thanasiu, Trenton, MI (US);
Jeffrey Scott Hepburn, Birmingham, MI (US);
Helmut Hans Ruhland, Eschweiler, DE;
Moritz Klaus Springer, Hagen, DE;
Thomas Lorenz, Koeln, DE;
Georg Louven, Neuwied, DE;
David Karl Bidner, Livonia, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/00 (2006.01); F02D 41/14 (2006.01); F01N 3/025 (2006.01); F01N 3/035 (2006.01); F01N 13/02 (2010.01); F02D 41/02 (2006.01); F01N 11/00 (2006.01);
U.S. Cl.
CPC ...
F02D 41/1454 (2013.01); F01N 3/0253 (2013.01); F01N 3/035 (2013.01); F01N 11/007 (2013.01); F01N 13/02 (2013.01); F02D 41/025 (2013.01); F02D 41/029 (2013.01); F02D 41/144 (2013.01); F02D 41/1466 (2013.01); F02D 41/1475 (2013.01); F01N 2430/06 (2013.01); F01N 2560/025 (2013.01); F01N 2900/1624 (2013.01); F02D 2200/0812 (2013.01); Y02T 10/22 (2013.01); Y02T 10/26 (2013.01);
Abstract
A system for filtering and oxidizing particulate matter produced by a gasoline direct injection engine is disclosed. In one embodiment, engine cylinder air-fuel is adjusted to allow soot to oxidize at an upstream particulate filter while exhaust gases are efficiently processed in a downstream catalyst.