Closing apparatus for ventilation lines of fuel tanks in motor v

Details Closing apparatus for ventilation lines of fuel tanks in motor v Closing apparatus for ventilation lines of fuel tanks in motor v

1976-01-21

1977-09-27

Nilson, Robert G.

Fluid handling

Control by change of position or inertia of system

With second control

137 43, F16K 1736

Patent

active

040504719

ABSTRACT:
A valving mechanism or closing apparatus for ventilation lines of fuel tanks in motor vehicles is provided which comprises a housing and closing elements contained in the housing, which closing elements are movable in accordance with the vehicle position. The closing elements are formed as movable members, one above the other, with the lower member being a mass body lying against a guide wall of the housing and being freely movable to a certain extent, while the upper element acts to close an exit opening of the housing, thereby closing the ventilation line. The lower mass body element may be conically configured to match the conically configured guide wall of the housing, or the mass body may be a ball shaped body which moves along the guide wall of the housing. The upper element may also be a floating body such that an overflow of gasoline into the housing causes the floating body to close the exit opening, thereby preventing discharge of fuel out of the ventilation line.

REFERENCES:
patent: 1683338 (1928-09-01), Evinrude
patent: 2074329 (1937-03-01), Gieseman
patent: 2919707 (1960-01-01), Seidler
patent: 3011503 (1961-12-01), Widham
patent: 3765435 (1973-10-01), Schlanzky
patent: 3768498 (1973-10-01), Urban
patent: 3916928 (1975-11-01), Enoch

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