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:
Apr. 16, 2024
Filed:
Oct. 10, 2022
Cummins Inc., Columbus, IN (US);
Ankit Raghunath Lad, Columbus, IN (US);
Joshua Alan Lantz, North Vernon, IN (US);
Vaibhav J. Lawand, Greenwood, IN (US);
Nicholas R. Lewis, Elizabethtown, IN (US);
Ian W. McGiffen, Scipio, IN (US);
Arulkumaran Muthukumarasamy, Greenwood, IN (US);
Cummins Inc., Columbus, IN (US);
Abstract
A method includes determining that at least one diesel emissions fluid (DEF) doser of an exhaust aftertreatment system is likely frozen based on at least one of an ambient air temperature or a DEF source temperature; operating an engine in a cylinder cutout mode in response to the determination that the at least one DEF doser is likely frozen; and, discontinuing the cylinder cutout mode in response to determining that the at least one DEF doser is in a predefined condition.