Pump assembly and fluid metering unit
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United States of America Patent
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May 28, 2013
Grant Date -
Apr 6, 2006
app pub date -
Sep 29, 2004
filing date -
Sep 29, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
Apparatus for a pump assembly and a fluid metering unit. The pump assembly can include a diaphragm with a portion of a body being molded over a portion of each one of a plurality of pistons. The pump assembly can include a wobble plate, a lower housing, and a spring positioned between the wobble plate and the lower housing. A valve housing can include pumping chambers with side walls that are angled. The fluid metering unit can include a bayonet locking mechanism and/or a seal between a housing and a flow meter. The controller can be calibrated according to the type and/or temperature of the fluid.
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