Compact dual leg NOx absorber catalyst device and system and method of using the same
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United States of America Patent
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Apr 26, 2005
Grant Date -
Jan 6, 2005
app pub date -
Jul 2, 2003
filing date -
Jul 2, 2003
priority date (Note) -
Expired
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Abstract
An apparatus, a system, and a method for treating exhaust gases from an internal combustion engine. The system and method employing the use of a catalytic device coaxial-arranged dual leg apparatus comprising a housing having a first flow path and a second flow path having coaxially arranged portions, a device for selectively directing the exhaust gases between the first flow path and the second flow path, and a first NOx adsorbing catalyst contained in the first flow path.
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