Invention Grant
- Patent Title: Method and apparatus for exhaust aftertreatment in an internal combustion engine
- Patent Title (中): 内燃机排气后处理方法及装置
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Application No.: US12265981Application Date: 2008-11-06
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Publication No.: US08091348B2Publication Date: 2012-01-10
- Inventor: David J. Cleary , Wei Li
- Applicant: David J. Cleary , Wei Li
- Applicant Address: US MI Detroit
- Assignee: GM Global Technology Operations LLC
- Current Assignee: GM Global Technology Operations LLC
- Current Assignee Address: US MI Detroit
- Main IPC: F01N3/00
- IPC: F01N3/00
Abstract:
A method and system for managing an exhaust gas feedstream from an internal combustion engine operative lean of stoichiometry includes steps and apparatus for diverting exhaust around a three-way catalytic converter during NOx adsorber regeneration thereby increasing reductants available in the NOx adsorber to react with the adsorbed NOx.
Public/Granted literature
- US20100107611A1 METHOD AND APPARATUS FOR EXHAUST AFTERTREATMENT IN AN INTERNAL COMBUSTION ENGINE Public/Granted day:2010-05-06
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