Exhaust emission purifying apparatus for internal combustion engine
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United States of America Patent
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Nov 12, 2013
Grant Date -
Mar 24, 2011
app pub date -
Nov 24, 2010
filing date -
Feb 2, 2004
priority date (Note) -
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Abstract
In an exhaust emission purifying apparatus for an internal combustion engine, for adding a reducing agent for NOx to the exhaust gas to thereby purify NOx in the exhaust gas, the mixing of the reducing agent injected by an injection nozzle with the exhaust gas is accelerated. To this end, in the apparatus of the present invention, the injection nozzle for the urea water is disposed to be opposite to the flow of the exhaust gas, or to face upward in a vertical direction.
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