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. 28, 2017
Filed:
May. 13, 2014
Applicant:
Southwest Research Institute, San Antonio, TX (US);
Inventors:
Jayant V. Sarlashkar, San Antonio, TX (US);
Ryan C. Roecker, Fair Oaks Ranch, TX (US);
Assignee:
SOUTHWEST RESEARCH INSTITUTE, San Antonio, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/00 (2006.01); F02D 41/02 (2006.01); F02D 41/00 (2006.01); F01N 11/00 (2006.01); F01N 3/20 (2006.01); F02D 41/14 (2006.01);
U.S. Cl.
CPC ...
F02D 41/0235 (2013.01); F01N 3/208 (2013.01); F01N 11/00 (2013.01); F02D 41/0002 (2013.01); F02D 41/1461 (2013.01); F02D 41/1462 (2013.01); F01N 2900/1616 (2013.01); F01N 2900/1622 (2013.01); F02D 41/1454 (2013.01); Y02T 10/24 (2013.01); Y02T 10/42 (2013.01);
Abstract
The present disclosure relates to a method and apparatus to reduce fuel consumption while remaining in NOx compliance by simultaneous and coordinated control of the engine and the selective catalytic reduction (SCR) system. More particularly, the present disclosure identifies methods and apparatus to increase NOx output within a diesel engine to optimize the performance of a given SCR system while simultaneously reducing fuel consumption at a selected and targeted intake oxygen concentration.