Variable potential electrokinetic devices
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United States of America Patent
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Jul 15, 2008
Grant Date -
Aug 26, 2004
app pub date -
Feb 26, 2004
filing date -
Jan 31, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Variable potential electrokinetic devices and electrokinetic multipliers used for pumping and flow control are disclosed that offer improvements in safety and design flexibility. The devices of the present invention take advantage of combinations of pumping conduits and conducting conduits to permit the use of lower operating voltages in pumps, pressure multipliers, and flow controllers. Devices having N pumping stages and 2N+1 electrodes permit the use of arbitrary voltages at the fluid connection points between the devices and other system components, further improving device safety and flexibility.
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