Exhaust gas aftertreatment system
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United States of America Patent
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Aug 20, 2013
Grant Date -
Apr 1, 2010
app pub date -
Sep 30, 2008
filing date -
Sep 30, 2008
priority date (Note) -
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Abstract
A reductant reservoir for an emission control system has a pump assembly with an intake adapted to withdraw reductant from the reservoir, a heating element associated with the pump assembly for heating reductant and an outlet for delivering heated reductant to the emission control system. A nozzle assembly ejects a portion of heated reductant into the reservoir to thaw frozen reductant.
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