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:
Nov. 14, 2023
Filed:
May. 16, 2022
Cummins Inc., Columbus, IN (US);
Kunlun Liu, Bargersville, IN (US);
Xiaobo Song, Columbus, IN (US);
Xing Jin, Columbus, IN (US);
Kristopher R. Bare, Columbus, IN (US);
Sriram S. Popuri, Greenwood, IN (US);
Scott Robert Bardakjy, Columbus, IN (US);
Agneya Turlapati, Indianapolis, IN (US);
Cummins Inc., Columbus, IN (US);
Abstract
A recycling loop configuration of an exhaust gas aftertreatment system decreases a level of system-out NOemissions of an engine. An apparatus including the configuration has an exhaust gas recycling system having a closed gas recycling loop system configured to heat gas circulating within the loop, and a blower for circulating gas within the loop. A method for operating the engine includes preheating at least one aftertreatment component of an exhaust gas aftertreatment system of the engine by exposing the component to heated gas circulating in a closed gas recycling loop.