Precise volume fluid dispenser
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United States of America Patent
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Oct 29, 1996
Grant Date -
N/A
app pub date -
Feb 3, 1995
filing date -
Feb 3, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A fluid dispenser for measuring precise volumes of a fluid for later mixing with other materials which has a pressure vessel for receiving a fluid supplied from a supply tank, a bubbler sensor communicating with the pressure vessel for correlating pressure within a bubbler tube with volume in the pressure vessel so that a controller in communication with the bubbler sensor can control the inflow and outflow of precise volumes of the fluid through the pressure vessel. The bubbler robe is received within the pressure vessel and is monitored by a pressure transducer which communicates with the controller so that a plurality of solenoid valves can control the inflow and outflow of the measured fluid.
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