No pressure shut off for automatic fuel nozzle valve
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United States of America Patent
Stats
-
Apr 21, 1987
Grant Date -
N/A
app pub date -
Sep 9, 1985
filing date -
Sep 9, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This invention adds a fuel pressure sensitive piston at a location adjacent to the automatic shut off mechanism of a fuel dispensing nozzle. A lever responsive to the reciprocal movements of the piston biases against the diaphragm of the shut off mechanism raising it and disengaging its associated latch mechanism for release of the dispenser handle and closure of the nozzle poppet valve when there is no fuel being delivered from the pump. When there is fuel pressure from the pump at the inlet of the nozzle, the piston is forced in an opposite direction releasing its contact through a lever with said diaphragm and allowing the automatic shut off mechanism to routinely function.
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