System and methods for control of pumps employing electrical field sensing
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United States of America Patent
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Jul 17, 2001
Grant Date -
N/A
app pub date -
Sep 3, 1999
filing date -
Sep 3, 1999
priority date (Note) -
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Abstract
Systems and related methods pump fluid through a pump. The pump comprises a pump chamber, which is responsive to applied pressures to convey fluid. The systems and methods place an electrode in the pump chamber which, in use, is coupled to a current source. The electrode generates an electrical field in the pump chamber that varies according volume of fluid in the pump chamber. The systems and methods register variations in the electrical field as fluid is conveyed through the pump chamber.
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