Invention Grant
- Patent Title: System, method, and apparatus for improved desulfurization of aftertreatment components
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Application No.: US14826704Application Date: 2015-08-14
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Publication No.: US09624803B2Publication Date: 2017-04-18
- Inventor: Ashok Kumar , Michael A. Smith , Krishna Kamasamudram , Neal Currier , Aleksey Yezerets
- Applicant: Cummins Inc.
- Applicant Address: US IN Columbus
- Assignee: Cummins Inc.
- Current Assignee: Cummins Inc.
- Current Assignee Address: US IN Columbus
- Agency: Taft Stettinius & Hollister LLP
- Main IPC: F01N11/00
- IPC: F01N11/00 ; F01N3/20 ; F01N3/10 ; F02D41/00 ; F02D43/04 ; F02B37/22 ; F01N13/00 ; F01N9/00
Abstract:
Systems, methods, and apparatuses are provided for determining an SCR component sulfur value, determining whether the SCR component sulfur value exceeds a sulfur regeneration threshold and increasing an engine NO amount incident to an SCR catalyst in response to the SCR component sulfur value exceeding the sulfur regeneration threshold.
Public/Granted literature
- US20150354424A1 SYSTEM, METHOD, AND APPARATUS FOR IMPROVED DESULFURIZATION OF AFTERTREATMENT COMPONENTS Public/Granted day:2015-12-10
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