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. 05, 2017
Filed:
Oct. 27, 2015
Cummins, Inc., Columbus, IN (US);
Cristian Aldana Zambrano, Columbus, IN (US);
Michael J. McGuire, Columbus, IN (US);
Josh Si Shao, Columbus, IN (US);
Cummins, Inc., Columbus, IN (US);
Abstract
An apparatus includes a stationary conditions circuit structured to received information indicative of a stationary condition of a vehicle having an exhaust aftertreatment system; an engine circuit structured to cause an elevated operating mode in response to the detection of the stationary condition; and a nitrous oxide (NOx) monitor reset circuit. The NOx monitor reset circuit may be structured to: receive vehicle operation data indicative of an enable condition for a NOx monitor reset process; in response to the enable condition, receive NOx data indicative of a NOx amount exiting the exhaust aftertreatment system as part of the NOx monitor reset process; compare the NOx data to an estimated NOx amount; and in response to the comparison, selectively diagnose the exhaust aftertreatment system as one of a healthy and a degraded exhaust aftertreatment system.