Pulseless positive displacement pump and method of pulselessly displacing fluid
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United States of America Patent
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Oct 3, 2017
Issued Date -
N/A
app pub date -
Dec 29, 2015
filing date -
Feb 7, 2014
priority date (Note) -
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Abstract
A double displacement pump includes an inlet manifold, an outlet manifold, a first fluid cavity between the inlet manifold and the outlet manifold, a second fluid cavity between the inlet manifold and the outlet manifold, and a drive system that includes a housing defining an internal pressure chamber, a piston disposed within the internal pressure chamber and having a first and second pull chambers and a central slot for receiving a drive, a first pull with a free end slidably secured within the first pull chamber and a second pull with a free end slidably secured within the second pull chamber, and a first fluid displacement member coupled to the first pull and a second fluid displacement member coupled to the second pull.
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