System for detecting liquid in an inground lift
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United States of America Patent
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-
Nov 9, 2004
Grant Date -
Jul 31, 2003
app pub date -
Jan 25, 2002
filing date -
Jan 25, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A system for detecting liquid in an inground lift has a tube with an open end disposed within the internal cavity defined by the containment housing of the inground lift. The tube is in fluid communication with a source of pressurized gas. A pressure sensor generates a signal if the pressure within the air line exceeds a predetermined level, which occurs if the end is blocked by liquid. A control system is configured to respond to the signal.
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