Receptacles – Container attachment or adjunct – Pressure relief means
Patent
1982-05-28
1984-07-03
Shoap, Allan N.
Receptacles
Container attachment or adjunct
Pressure relief means
220 20, 220 85VR, 220 85VS, 220 86R, B65D 2500, B65D 9034, F16K 2400, B60K 1502
Patent
active
044574436
ABSTRACT:
A venting device for fuel tanks which includes equalizing chambers disposed immediately beneath a top wall and approximately centrally with respect to side walls of the fuel tank, with the equalizing chamber being vented to the atmosphere. Vent lines are disposed inside the fuel tank and are connected to the equalizing chamber. The vent lines terminate freely in an interior of a chamber vented to an interior of the fuel tank. The end of the vent lines terminate in vent openings located in an immediate vicinity of an end wall of the chamber which receives the vent line. A single opening is provided for venting each chamber, with the opening being disposed in a wall which is opposite to the chamber end wall receiving the vent line. When the fuel tank rotates about a longitudinal axis of the vehicle, a volume of air, which is in the chambers in an initial position of the fuel tank, is at first forced beneath a surface of the fuel and then, if the tank continues to rotate, escapes through the adjacent vent line into a corresponding guide curve located above, so that a hydraulic siphoning action is interrupted and the escape of fuel through the equalizing line to the atmosphere is prevented.
REFERENCES:
patent: 3685528 (1972-08-01), Holland
patent: 4166550 (1979-09-01), Kleinschmit et al.
patent: 4261477 (1981-04-01), Casimir et al.
Casimir Manfred
Distel Manfred
Kurz Wolf-Dieter
Daimler-Benz Aktiengesellschaft
Shoap Allan N.
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