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:
Oct. 31, 2017
Filed:
Aug. 05, 2015
Applicant:
Caterpillar Inc., Peoria, IL (US);
Inventors:
Mark Lunau Schmid, Peoria, IL (US);
Eric Paul Spaeth, Pekin, IL (US);
Raymond U. Isada, Peoria, IL (US);
Julian Justin, Peoria, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 3/28 (2006.01); B01D 53/94 (2006.01); F01N 3/20 (2006.01);
U.S. Cl.
CPC ...
B01D 53/9431 (2013.01); F01N 3/2066 (2013.01); B01D 53/9418 (2013.01); B01D 2251/2062 (2013.01); B01D 2251/2067 (2013.01); B01D 2258/012 (2013.01); F01N 3/2892 (2013.01); F01N 2450/30 (2013.01); F01N 2490/08 (2013.01); F01N 2610/02 (2013.01);
Abstract
An aftertreatment module may include a housing with an inlet port and an outlet port. A selective catalytic reduction catalyst may be disposed between the inlet port and the outlet port. A diffuser plate may be disposed downstream of the inlet port and upstream of the selective catalytic reduction catalysts. The diffuser plate may include a first section including a first degree of porosity and a second section including a second degree of porosity. The first degree of porosity may be greater than the second degree of porosity.