Fill limit valve assembly

Details Fill limit valve assembly Fill limit valve assembly

1994-05-11

1995-09-12

Recla, Henry J.

Fluent material handling, with receiver or receiver coacting mea

Automatic control of flow cutoff or diversion

Level or overflow responsive

141303, 141 59, 137202, 220 862, 220748, B65B 130, B65B 328

Patent

active

054490294

ABSTRACT:
An apparatus for controlling fuel vapor discharge from within a vehicle fuel tank includes a valve housing having vapor inlet and outlet openings, a float valve in the valve housing, and a skirt extending around the valve housing to define an annular channel therebetween. The float valve is movable in the valve housing to open and close the vapor outlet opening. The skirt has a bottom edge adapted to lie in spaced-apart relation to a top wall of a fuel tank carrying the valve housing. The vapor inlet opening lies between the outlet opening and the bottom edge of the skirt, which edge is positioned to lie in coextensive relation with a top surface of liquid fuel in the interior region of the fuel tank equal to a predetermined maximum fuel capacity of the fuel tank. The skirt is configured to cause a pump nozzle to shut off at the proper time during refueling.

REFERENCES:
patent: 4760858 (1988-08-01), Szlaga
patent: 4974645 (1990-12-01), Johnson
patent: 4991615 (1991-02-01), Szlaga et al.
patent: 5028244 (1991-07-01), Szlaga
patent: 5065782 (1991-11-01), Szlaga
patent: 5215132 (1993-06-01), Kobayashi
patent: 5234013 (1993-08-01), Roetker et al.
patent: 5261439 (1993-11-01), Harris

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