Dosing pump assembly
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United States of America Patent
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-
Dec 2, 2008
Grant Date -
Dec 29, 2005
app pub date -
Jun 23, 2005
filing date -
Dec 23, 2002
priority date (Note) -
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Abstract
A dosing pump assembly (9) is provided which is adapted to admix a liquid reducing agent to an exhaust gas flow. The dosing pump assembly includes an assembly housing (12) that houses an electric drive (15), a transmission (16), a membrane pump (17), and control and/or regulating electronics. The assembly housing (10) further includes a pre-mixing device in which the liquid reducing agent is impinged upon with a pressurized gas flow.
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