Automated liquid-level vessel apparatus
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United States of America Patent
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Nov 24, 1998
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N/A
app pub date -
May 2, 1996
filing date -
May 2, 1996
priority date (Note) -
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Abstract
The invention relates to a vessel apparatus for holding and transferring liquids, in which the level of liquid may be controlled and monitored automatically. A depth sensing device, included in the apparatus, detects the presence or absence of liquid at predetermined levels. The device detects the difference in transmission of a low frequency electromagnetic signal between aerial probes based on the state of immersion (wet or dry) of the transmitting and receiving probes.
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