Fuel tank filler pipe arrangement

Details Fuel tank filler pipe arrangement Fuel tank filler pipe arrangement

1994-07-06

1995-08-08

Jacyna, J. Casimer

Receptacles

Container attachment or adjunct

Filling member

141 44, 141 59, 141302, 141312, 137587, B65B 3904, B65B 3100, B65B 304

Patent

active

054391296

ABSTRACT:
A fuel filler module fits in the filler pipe of an automotive fuel tank and includes a spring biased trap door assembly that cooperates with a fuel nozzle restrictor to seal an open end of the filler pipe automatically when a fuel nozzle is withdrawn. The trap door assembly includes positive and vacuum pressure relief valves for maintaining fuel tank pressure within certain limits. The fuel filler module also includes a fuel nozzle guide that is part of a vent system for venting the fuel tank during the refuelling process and a splash guard feature that prevents splash back at the end of the refuelling process. The trap door assembly and an internal valve assembly are designed to be handled and installed as a unit to facilitate economical manufacture.

REFERENCES:
patent: 4724861 (1988-02-01), Covert et al.
patent: 4762247 (1988-08-01), Temmesfeld
patent: 4798306 (1989-01-01), Giacomazzi et al.
patent: 4813453 (1989-03-01), Jenkins et al.
patent: 4893643 (1990-01-01), Gifford et al.
patent: 4966299 (1990-10-01), Teets et al.
patent: 5027868 (1991-07-01), Morris et al.
patent: 5040575 (1991-08-01), Oeffling et al.
patent: 5322100 (1994-06-01), Buechler

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