Fluent material handling – with receiver or receiver coacting mea – Automatic control of flow cutoff or diversion – Level or overflow responsive
Patent
1975-09-04
1977-04-12
Aegerter, Richard E.
Fluent material handling, with receiver or receiver coacting mea
Automatic control of flow cutoff or diversion
Level or overflow responsive
B65B 304
Patent
active
040169103
ABSTRACT:
A fuel dispensing nozzle has a diaphragm responsive to vacuum for shutting off the flow of fuel through the nozzle, the diaphragm chamber normally being vented to atmosphere by a tube extending to the mouth of the spout and closable by fuel in the tank being filled to cause vacuum to actuate the diaphragm and shut off the fuel-flow through the nozzle, and a normally open valve in the vent tube, a piston for closing the vent tube valve in response to vapor pressure in the tank being filled, and conduit means providing vapor communication between the piston and the interior of the tank, whereby to shut off the flow of fuel through the nozzle when predetermined vapor pressure occurs in the tank being filled.
REFERENCES:
patent: 1209355 (1916-12-01), Sutherland
patent: 3101101 (1963-08-01), Gearhart et al.
patent: 3811486 (1974-05-01), Wood
Dumpis Janis
Sutcliffe Grenville G.
Aegerter Richard E.
Burgess F. Travers
Husky Corporation
Schmidt Frederick R.
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