Gas pressurized liquid pump with intermediate chamber
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United States of America Patent
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-
Feb 13, 2001
Grant Date -
N/A
app pub date -
Apr 28, 1999
filing date -
Apr 28, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The multi-chamber liquid pump of the present invention includes an input chamber, an intermediate chamber and a liquid output chamber. Pressurized gas provides the motive force for outputting liquid from the pump, such that liquid is output at a constant flow rate during pump operation. Liquid flows into the input chamber, through one or more valves into the intermediate chamber, and through one or more subsequent valves to the output chamber while liquid is constantly output from the output chamber. The system controller provides control signals to the valves to facilitate the pump's continual operation.
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