Heat exchanger for a metering unit of an SCR exhaust-gas aftertreatment device
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United States of America Patent
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Aug 2, 2016
Grant Date -
May 14, 2015
app pub date -
Sep 19, 2012
filing date -
Sep 19, 2011
priority date (Note) -
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Abstract
The invention relates to a heat exchanger (50) for a dosing unit of an SCR (selective catalytic reduction) exhaust gas treatment device (10), wherein an adjustable volume of a fluid can be discharged by a dosing unit into an exhaust gas system (177) of an internal combustion engine (155). The heat exchanger (50) has at least one fluid channel (52) through which air can flow, wherein said fluid channel (52) is routed around at least a subregion of an outer peripheral wall (54) of a dosing valve (34) of the dosing unit (100).
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