Dispensing – Automatic control
Patent
1985-09-09
1987-04-21
Rolla, Joseph J.
Dispensing
Automatic control
222 56, 222153, 222511, 141302, 141392, 137509, B61D 534
Patent
active
046589872
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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patent: 4572255 (1986-02-01), Rabinovich
Ammeen Edward S.
Denk Paul M.
Husky Corporation
Rolla Joseph J.
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