Invention Grant
US09512761B2 Systems and methods for NOx reduction and aftertreatment control using passive NOx adsorption
有权
使用无源NOx吸附的NOx还原和后处理控制系统和方法
- Patent Title: Systems and methods for NOx reduction and aftertreatment control using passive NOx adsorption
- Patent Title (中): 使用无源NOx吸附的NOx还原和后处理控制系统和方法
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Application No.: US14453169Application Date: 2014-08-06
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Publication No.: US09512761B2Publication Date: 2016-12-06
- Inventor: Richard J. Ancimer , Mert Geveci , Michael Haas , Alok Joshi , Krishna Kamasamudram
- 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: B01D53/92
- IPC: B01D53/92 ; B01D53/94 ; F01N3/18 ; F01N3/20 ; F01N13/00 ; F01N3/035 ; F01N3/10
Abstract:
Systems and methods for managing aftertreatment systems that include passive NOx adsorption devices and SCR catalyst elements are disclosed. Temperature generation devices upstream of the passive NOx adsorption devices facilitate control of the aftertreatment systems to improve fuel economy and NOx conversion efficiency.
Public/Granted literature
- US20150247437A1 SYSTEMS AND METHODS FOR NOx REDUCTION AND AFTERTREATMENT CONTROL USING PASSIVE NOx ADSORPTION Public/Granted day:2015-09-03
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