Filter arrangement for fuel tank

Details Filter arrangement for fuel tank Filter arrangement for fuel tank

1988-04-04

1990-05-08

Rivell, John

Fluid handling

Systems

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

137590, 137202, 123514, 123516, F02M 3720

Patent

active

049229591

ABSTRACT:
A filter arrangement disposed within a fuel tank and adapted to prevent vapor lock. The filter arrangement is comprised of a fuel sucking section which is communicated through a connecting pipe section with a fuel pump. The fuel sucking section is provided with a netting member through which fuel in the fuel tank is sucked into a chamber defined inside the fuel sucking section, upon operation of the fuel pump. The fuel sucking section is formed with a through-hole through which fuel vapor staying inside the fuel sucking section is releasable out of the fuel sucking section. Additionally, a valve mechanism is provided to normally close the through-hole but open the through-hole in presence of fuel vapor inside the fuel sucking section, thereby effectively preventing fuel vapor from sucking into the fuel pump.

REFERENCES:
patent: 2252687 (1941-08-01), Bassett
patent: 2528600 (1950-11-01), Lombard
patent: 3221800 (1965-12-01), Ballou
patent: 3703165 (1972-11-01), Hansen
patent: 3993094 (1976-11-01), Spooner
patent: 4129503 (1978-12-01), Joseph
patent: 4279232 (1981-07-01), Schuster et al.
patent: 4546750 (1985-10-01), Brunell et al.
patent: 4672937 (1987-06-01), Fales et al.

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