Fuel fill and vapor venting value unit for fuel tanks

Details Fuel fill and vapor venting value unit for fuel tanks Fuel fill and vapor venting value unit for fuel tanks

1995-09-21

1997-11-18

Ferensic, Denise L.

Fluid handling

Systems

System with plural openings, one a gas vent or access opening

141 59, 141347, 141302, F16K 2400

Patent

active

056877625

ABSTRACT:
A valved unit to control introduction of liquid fuel and venting of vaporous fuel relative to a vehicle fuel tank which unit is mounted on to the tank wall to effectively seal and isolate the tank downstream from a filler tube and related fuel delivery hoses. Tank closure is normally maintained by a closure spring which is overcome by introduction of fuel into the tank which allows movement of the inlet closure valve from its seated closed position and simultaneously opens an associated vaporous fuel vent control valve. When introduction of fuel is terminated, a spring returns the two valve elements back to their closed and sealed positions.

REFERENCES:
patent: 3981325 (1976-09-01), Robinson
patent: 4320788 (1982-03-01), Lord
patent: 4706708 (1987-11-01), Fornuto et al.
patent: 4730652 (1988-03-01), Bartholomew
patent: 4809865 (1989-03-01), Mori et al.
patent: 4811718 (1989-03-01), Sonoda
patent: 4955950 (1990-09-01), Seiichi et al.
patent: 5103877 (1992-04-01), Sherwood et al.
patent: 5183087 (1993-02-01), Aubel et al.
patent: 5186220 (1993-02-01), Scharrer

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