Fluent material handling – with receiver or receiver coacting mea – Multiple passage filling means for diverse materials or flows – With valve
Patent
1986-09-02
1988-03-15
Bell, Jr., Houston S.
Fluent material handling, with receiver or receiver coacting mea
Multiple passage filling means for diverse materials or flows
With valve
137588, 285 2, 285 53, 285 80, 285901, 220 85VR, 220 86R, 280 5A, B65B 304
Patent
active
047306521
ABSTRACT:
The fuel filling system includes double pipe fuel delivery and tank venting plumbing. Both fuel delivery pipe and tank venting pipe are flexible and communicate with the gas tank through normally closed check valves. An inlet housing defines a vent cut-off chamber which communicates with the tank venting pipe, and also includes an annular nozzle embracing seal for isolating the end of the gas pump nozzle from the vent cut-off chamber. The gas tank is thus fully sealed by the check valves during driving, so that fuel will not spill from the tank should the filling system plumbing become ruptured or should the vehicle become overturned as a result of a collision. Fuel is introduced into the tank under positive pressure provided by the filling station fuel pump. Under pumping pressure, the check valves opens to permit the inflow of fuel and the outflow of air displaced from within the tank.
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Bell, Jr. Houston S.
Proprietary Technology, Inc.
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