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:
May. 09, 2023
Filed:
Dec. 14, 2021
Applicant:
Deere & Company, Moline, IL (US);
Inventors:
Danan Dou, Cedar Falls, IA (US);
Derek A. Weiss, Waterloo, IA (US);
Assignee:
Deere & Company, Moline, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/20 (2006.01); F01N 9/00 (2006.01); F01N 3/029 (2006.01);
U.S. Cl.
CPC ...
F01N 3/206 (2013.01); F01N 3/2066 (2013.01); F01N 9/00 (2013.01); F01N 3/029 (2013.01); F01N 2240/16 (2013.01); F01N 2240/20 (2013.01); F01N 2610/02 (2013.01); F01N 2610/105 (2013.01); F01N 2900/1821 (2013.01);
Abstract
One or more techniques and/or systems are disclosed for providing localized heating within an engine exhaust aftertreatment system. The localized heating includes DEF injector nozzle heating with a DEF dispensing system having a DEF fluid supply and a DEF injector fluidly coupled to the DEF fluid supply. The DEF injector includes a DEF injector nozzle. The DEF dispensing system further includes a DEF heater positioned in proximity to the DEF injector nozzle. The DEF heater is configured to locally heat an area surrounding the DEF injector nozzle.