Fluent material handling – with receiver or receiver coacting mea – Processes – Gas or variation of gaseous condition in receiver
Patent
1998-12-29
2000-08-29
Recla, Henry J.
Fluent material handling, with receiver or receiver coacting mea
Processes
Gas or variation of gaseous condition in receiver
141 59, 220 862, 220562, 220745, B65D 9034
Patent
active
061093106
ABSTRACT:
A fuel tank has a void air space when the tank is filled through a filler tube that upstands from a reservoir. The reservoir has a baffle that depends from a top wall of the reservoir. Fuel entering the reservoir from the filler tube fills the reservoir up to the level of the lowermost edge of the baffle. Further filling of the tank causes the fuel level to rise in the filler tube. However, a void space is created because air and fuel vapor are trapped in the reservoir on the opposite side of the baffle as the filler tube, which prevents overfilling by an operator. A vent system connects the void space with the top end of the filler tube. Hydrostatic pressure exerted by the fuel on the air and fuel vapor in the void space expels the air and fuel vapor through the vent system to the filler tube, causing the fuel level to rise in the void space and simultaneously to lower in the filler tube. Eventually all the air and fuel vapor are expelled, and the fuel level in the filler tube is then at a minimum level. The invention is capable of venting a fuel tank that is tilted in operation such that a void space is present in the reservoir.
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Cayen Donald
Croll Mark W.
deVore Peter
Illinois Tool Works Inc.
Recla Henry J.
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