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:
Sep. 17, 2013
Filed:
Jun. 29, 2010
Applicants:
Zhiping Steven Liu, Canton, MI (US);
Eugene V. Gonze, Pinckney, MI (US);
Inventors:
Zhiping Steven Liu, Canton, MI (US);
Eugene V. Gonze, Pinckney, MI (US);
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D 45/00 (2006.01); G06F 17/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of evaluating a particulate filter of an exhaust treatment system is provided. The method includes: selectively enabling at least one of data collection and resistance evaluation based on a particulate matter level in the particulate filter; when data collection is enabled, computing a particulate filter resistance based on a linear regression model; and when resistance evaluation is enabled, evaluating an efficiency of the particulate filter based on the particulate filter resistance.