Simple Positive Displacement Pump Suitable for Pharmaceutical, Chemical, Biological, Viscous, Dense, Particulate Laden Fluids and Other Demanding Applications
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United States of America Patent
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Jul 15, 2016
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Jul 15, 2015
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Abstract
A fluid pump for moving fluid from a first reservoir to a second reservoir is described. The fluid pump comprises a first reservoir containing a fluid, a second reservoir for receiving the fluid, at least one chamber subject to alternating high and low pressure, and an inlet valving device modulating or switching pressures to which the at least one chamber is exposed, causing the fluid to flow into the at least one chamber from the first reservoir when the at least one chamber is exposed to low pressure and causing the fluid to flow out of the at least one chamber into the second reservoir when the chamber is exposed to high pressure.
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