Metering pump assembly
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United States of America Patent
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Oct 4, 2011
Grant Date -
Jun 12, 2008
app pub date -
Dec 29, 2005
filing date -
Dec 30, 2004
priority date (Note) -
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Abstract
The invention relates to a metering pump assembly for admixing a fluid reduction agent into an exhaust gas flow with a metering pump for delivering the reduction agent and with a premixing device, in which in a mixing region, the reduction agent delivered by the metering pump is mixed with a pressurized gas, wherein the metering pump assembly comprises a pump head with a central plate in which at least the metering pump and the premixing device are arranged.
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