Automatic shut-off dispensing nozzle responsive to liquid in a tank reaching a predetermined level and to a supply pressure
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United States of America Patent
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-
Jun 12, 1984
Grant Date -
N/A
app pub date -
Jan 12, 1983
filing date -
Jan 12, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An automatic shut-off nozzle has a first diaphragm responsive to the liquid in the tank being filled reaching a predetermined level to automatically stop flow through the nozzle. Flow also is automatically stopped when a second diaphragm responds to inactivation of a pump supplying the liquid to the nozzle. When a venturi poppet valve is located downstream from a main poppet valve in the nozzle, the venturi poppet valve has a bleed passage extending therethrough to enable the pressure upstream thereof and acting on the second diaphragm to be reduced to zero the pump is inactivated.
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Cited Art Landscape
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