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. 26, 2021
Filed:
Jan. 24, 2020
Applicant:
Caterpillar Inc., Peoria, IL (US);
Inventors:
Wesley Gene Benson, Peoria, IL (US);
Andrew M. Denis, Normal, IL (US);
Joshua Lynn Ratts, East Peoria, IL (US);
Jack Albert Merchant, West Lafayette, IN (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/28 (2006.01); F01N 13/10 (2010.01);
U.S. Cl.
CPC ...
F01N 3/2892 (2013.01); F01N 3/2825 (2013.01); F01N 13/10 (2013.01);
Abstract
An emission module for treating exhaust gas including a housing, a first catalyst substrate positioned within the housing and having an inlet end, the first catalyst substrate defining a plurality of flow passages extending longitudinally from the inlet end, and a first restrictor plate positioned at the inlet end of the first catalyst substrate to block exhaust flow through a first portion of the plurality of flow passages while allowing exhaust flow through the remainder of the plurality of flow passages.