公开(公告)号：US09624803B2

公开(公告)日：2017-04-18

申请号：US14826704

申请日：2015-08-14

Applicant: Cummins Inc.

Inventor： Ashok Kumar ,  Michael A. Smith ,  Krishna Kamasamudram ,  Neal Currier ,  Aleksey Yezerets

IPC: F01N11/00 ,  F01N3/20 ,  F01N3/10 ,  F02D41/00 ,  F02D43/04 ,  F02B37/22 ,  F01N13/00 ,  F01N9/00

CPC classification number: F01N3/2066 ,  F01N3/106 ,  F01N3/208 ,  F01N9/00 ,  F01N9/005 ,  F01N11/002 ,  F01N13/009 ,  F01N2570/04 ,  F01N2900/1402 ,  F01N2900/1612 ,  F02B37/22 ,  F02D41/005 ,  F02D43/04 ,  Y02T10/144 ,  Y02T10/24 ,  Y02T10/47

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.

公开(公告)号：US20150354424A1

公开(公告)日：2015-12-10

申请号：US14826704

申请日：2015-08-14

Applicant: Cummins Inc.

Inventor： Ashok Kumar ,  Michael A. Smith ,  Krishna Kamasamudram ,  Neal Currier ,  Aleksey Yezerets

IPC: F01N3/20 ,  F01N9/00 ,  F01N13/00 ,  F02D41/00 ,  F02D43/04 ,  F02B37/22 ,  F01N3/10 ,  F01N11/00

CPC classification number: F01N3/2066 ,  F01N3/106 ,  F01N3/208 ,  F01N9/00 ,  F01N9/005 ,  F01N11/002 ,  F01N13/009 ,  F01N2570/04 ,  F01N2900/1402 ,  F01N2900/1612 ,  F02B37/22 ,  F02D41/005 ,  F02D43/04 ,  Y02T10/144 ,  Y02T10/24 ,  Y02T10/47

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.

Abstract translation: 提供了用于确定SCR组分硫值的系统，方法和装置，确定SCR组分硫值是否超过硫再生阈值，并响应于SCR组分硫值超过硫而增加引入SCR催化剂的发动机NO量 再生阈值。