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.

Date of Patent:
Apr. 04, 2017

Filed:

Nov. 13, 2014
Applicant:

General Electric Company, Schenectady, NY (US);

Inventors:

Eric David Peters, Cocoa, FL (US);

Nicholas Eric Hansen, Erie, PA (US);

Assignee:

General Electric Corporation, Schenectady, NY (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01L 11/04 (2006.01); F02D 41/22 (2006.01); G01M 15/08 (2006.01); F02M 26/49 (2016.01); F02M 26/52 (2016.01); F02D 41/00 (2006.01); F02M 25/06 (2016.01); F02M 26/10 (2016.01); F02M 26/43 (2016.01); F01M 13/00 (2006.01); F02M 26/08 (2016.01); F02M 26/23 (2016.01);
U.S. Cl.
CPC ...
G01L 11/04 (2013.01); F02D 41/0077 (2013.01); F02D 41/22 (2013.01); F02D 41/221 (2013.01); F02M 25/06 (2013.01); F02M 26/10 (2016.02); F02M 26/43 (2016.02); F02M 26/49 (2016.02); F02M 26/52 (2016.02); G01M 15/08 (2013.01); F01M 2013/0083 (2013.01); F02M 26/08 (2016.02); F02M 26/23 (2016.02);
Abstract

Various methods and systems are provided for diagnosing an exhaust gas recirculation valve based on crankcase pressure. In one example, a method comprises indicating a condition of a valve disposed in a first exhaust passage downstream from a cylinder exhaust valve based at least in part on a crankcase pressure.


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