Multi-channel pump and its control method
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United States of America Patent
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Issued Date -
Jan 19, 2006
app pub date -
Jul 7, 2005
filing date -
Jul 15, 2004
priority date (Note) -
Abandoned
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Abstract
A multi-channel pump includes a pump chamber, an inflow passage connected to the pump chamber, two or more outflow passages connected to the pump chamber, outflow side active valves provided so as to correspond to the outflow passages, and a movable body reciprocated to change a volumetric capacity of the pump chamber. The movable body may be a piston reciprocated within a cylinder that is connected to the pump chamber. A control method for a multi-channel pump includes an initial discharge step between a suction step and a discharge step.
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