Fluent material handling – with receiver or receiver coacting mea – Diverse fluid containing pressure filling systems involving... – Filling with exhausting the receiver
Patent
1990-01-09
1990-12-04
Cusick, Ernest G.
Fluent material handling, with receiver or receiver coacting mea
Diverse fluid containing pressure filling systems involving...
Filling with exhausting the receiver
141 51, 141 46, 141198, 137587, 220 85VS, 220 85VR, B65B 3100
Patent
active
049746456
ABSTRACT:
A fuel filler assembly (10) for a fuel tank (12) of a vehicle including a filler tube (14) for directing fuel to the tank (12) and a vent tube (15). The vent tube (15) is closed by a float valve (24) when the tank is filled to capacity and an equalizing port (27) is provided in the vent tube (15) to balance the pressure between the upper portion of the filler neck and the vapor dome area of the tank. When pressure is relieved by removing the filler cap, relief valve (25) located above the float valve (24) and within the vapor dome of the fuel tank operates to allow pressure relief from the vapor dome of the fuel tank. A check valve (20) is provided in the filler tube (14) at the fuel tank (12). The check valve (20) in the filler tube (14) features a valve element (38) having cylindrical sides (39) and a hemispherical end (41) which is received in a housing (32) having cylindrical walls (34) and an annular seat (40) against which the hemispherical end (41) of the valve element (38) seals. The check valve (20) in the filler tube (14) is spring biased into a closed position with a force less than that required to automatically shutoff fuel dispensing.
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Cusick Ernest G.
Donovan Edward C.
Drouillard Jerome R.
Ford Motor Company
Heinl Kevin J.
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