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:
Dec. 06, 2016
Filed:
Jan. 16, 2015
Caterpillar Inc., Peoria, IL (US);
Robert Dale Clayton, Jr., Peoria, IL (US);
Thomas Edward Paulson, Groveland, IL (US);
Caterpillar Inc., Peoria, IL (US);
Abstract
An aftertreatment system for an engine is disclosed. The aftertreatment system may include an exhaust passage configured to receive an exhaust flow from the engine, and an injector disposed in the exhaust passage and configured to inject reductant into the exhaust flow. The aftertreatment system may also include a bypass conduit fluidly connected to the exhaust passage downstream of the injector, at least one valve disposed in the bypass conduit and configured to divert exhaust gases from the exhaust passage into the bypass conduit, and a reductant storage device disposed in the bypass conduit and configured to store ammonia in the exhaust gases. The aftertreatment system may also include a control module configured to selectively operate the at least one valve.