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:
Feb. 23, 2016
Filed:
Feb. 19, 2014
Cummins Inc., Columbus, IN (US);
Hasan Mohammed, Bloomington, IN (US);
Joseph M. Brault, Columbus, IN (US);
Cummins Inc., Columbus, IN (US);
Abstract
One embodiment is a method including determining whether an ammonia storage device has a stored quantity of ammonia, predicting an impending ammonia release from the ammonia storage device, determining a NOincrease amount in response to the impending ammonia release, and increasing an amount of NOprovided by an engine based on the NOincrease amount. In certain embodiments, determining the NOincrease amount in response to the impending ammonia release comprises determining a NOincrease schedule based on the stored quantity of ammonia. In certain embodiments, the NOincrease schedule comprises a specified NOincrease time period, and in certain further embodiments, the method further includes decrementing the specified NOincrease time period based on an estimated catalyst degradation value.