Method and apparatus for reducing pollutants in engine exhaust
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United States of America Patent
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Aug 11, 2009
Grant Date -
May 25, 2006
app pub date -
Nov 15, 2005
filing date -
Nov 19, 2004
priority date (Note) -
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Abstract
in internal combustion engine exhaust. A reducing gas is delivered into exhaust tubes through a plurality of pores or channels in the walls of the exhaust tubes either continuously or periodically. Also disclosed are methods using the device for reduction of NOx and automotive vehicles comprising the device.
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