Valve means for preventing fuel spillage from the discharge spou

Details Valve means for preventing fuel spillage from the discharge spou Valve means for preventing fuel spillage from the discharge spou

1978-12-04

1980-07-29

Schmidt, Frederick R.

Fluent material handling, with receiver or receiver coacting mea

Processes

Battery grid pasting

137614, 141 86, 141210, 141301, 222545, B65B 326

Patent

active

042146143

ABSTRACT:
A valve means for a fuel dispensing nozzle located in the nozzle discharge spout at the outlet end thereof for sealing the outlet end to prevent the flow of fuel and fuel vapors out of the discharge spout when the nozzle flow control valve is closed. The valve means is responsive to the operation of the flow control valve so that when the flow control valve is closed, the valve means is closed and so that when the flow control valve is operated to flow fuel through the discharge spout, the valve means is open. To this purpose, actuating means responsive to the operation of the flow control valve are provided to establish fluid communication between the valve means and the flow passage upstream of the flow control valve and, alternately, between the valve means and the flow passage in the discharge spout. In one embodiment, the valve means located in the discharge spout at the outlet end thereof is a pinch valve, and in another embodiment, the valve means is a wafer valve. In each embodiment, the valves are operable by the fuel pressure available in the nozzle.

REFERENCES:
patent: 4058149 (1977-11-01), Hansel
patent: 4060108 (1977-11-01), Weston et al.
patent: 4060110 (1977-11-01), Bower

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