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:
Mar. 05, 2019
Filed:
Dec. 01, 2015
Applicant:
General Electric Company, Schenectady, NY (US);
Inventors:
James Robert Mischler, Girard, PA (US);
Luke Michael Henry, Erie, PA (US);
David Zielinski, Erie, PA (US);
Assignee:
GE Global Sourcing LLC, Norwalk, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60T 7/12 (2006.01); F02D 41/24 (2006.01); F02D 41/00 (2006.01); F02D 41/02 (2006.01); F02D 41/14 (2006.01);
U.S. Cl.
CPC ...
F02D 41/2422 (2013.01); F02D 41/0002 (2013.01); F02D 41/005 (2013.01); F02D 41/0052 (2013.01); F02D 41/0295 (2013.01); F02D 41/144 (2013.01); F02D 41/146 (2013.01); F02D 41/1458 (2013.01); F02D 41/1461 (2013.01); F02D 2041/1412 (2013.01); F02D 2200/0404 (2013.01); F02D 2200/0406 (2013.01); F02D 2200/0411 (2013.01); F02D 2200/0414 (2013.01); F02D 2200/703 (2013.01); Y02T 10/42 (2013.01); Y02T 10/47 (2013.01);
Abstract
Various methods and systems are provided for controlling emissions. In one example, a controller is configured to respond to a sensed or estimated intake oxygen fraction by controlling an exhaust gas recirculation (EGR) amount supplied to an engine to maintain a level of particulate matter (PM) in a determined PM range and a level of NOx in a determined NOx range, and adjusting a target intake manifold oxygen fraction or target intake manifold EGR fraction in response to a NOx sensor feedback signal.