Pressure actuated poppet valve for fuel dispensing nozzle

Details Pressure actuated poppet valve for fuel dispensing nozzle Pressure actuated poppet valve for fuel dispensing nozzle

1983-12-27

1985-12-24

Marcus, Stephen

Fluent material handling, with receiver or receiver coacting mea

Automatic control of flow cutoff or diversion

Level or overflow responsive

141218, 141225, 141392, B65B 130

Patent

active

045599823

ABSTRACT:
A pressure actuated poppet valve for a fuel dispensing nozzle is disclosed having a piston therein movable between a first and a second position. In the first position, the piston holds a plurality of coupling or latching balls in coupling engagement with an axially movable stem so that upon a user pulling the actuator handle or lever of the dispensing nozzle, the poppet valve is opened for the dispensing of fuel. When the dispenser goes off such that there is no fuel pressure in the hose upstream from the nozzle, a spring within the poppet valve pushes the piston from its first to its second position, thus permitting the coupling balls to move clear of the stem, allowing the poppet valve to close, and preventing opening of the poppet valve upon the subsequent actuating of the nozzle handle. The poppet valve has a flow restriction port which permits fuel to flow in and out of the poppet valve such that a predetermined time delay will result between the time the fuel dispenser is de-energized and the time the dispensing nozzle becomes inoperable. Upon energization of the dispenser, the fuel pressure will cause the piston to move to its first position, thus again enabling actuation of the fuel dispensing nozzle.

REFERENCES:
patent: 2363123 (1944-11-01), Franck
patent: 2787294 (1957-04-01), Carriol
patent: 3088500 (1963-05-01), Payne
patent: 3811486 (1974-05-01), Wood

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