Pressure exchanger
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United States of America Patent
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-
Jan 7, 2014
Grant Date -
Jul 21, 2011
app pub date -
Apr 4, 2011
filing date -
Nov 14, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A pressure vessel provided with a first port acting as a high pressure inlet of a first stream and a second port acting as a high pressure outlet. A rotatable valve element is located in the center of the machine. In operation, a fluid stream is introduced to the machine at high pressure where it then passes through the open ports of the valve element and into flow distributor causing upward displacement of a first duct piston, resulting in pressurization and flow of a second fluid. At the same time the second fluid is introduced to the machine at low pressure and flows into the pressure exchange duct, causing downward displacement of a second duct piston and resulting in flow of the first fluid below the duct piston, which then flows into the lower flow distributor, into the valve element, and then out of the pressure vessel.
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