Dual fuel filter system

Details Dual fuel filter system Dual fuel filter system

1982-12-13

1984-01-24

Hart, Charles N.

Liquid purification or separation

Plural distinct separators

Filters

2104164, 210392, B01D 2324, B01D 2938, B01D 3502

Patent

active

044275455

ABSTRACT:
A fuel filter is provided for internal combustion engines and particularly for diesel engines utilizing a dual filter zone arrangement fed by two separate fuel supply lines, each of these lines being valved to operate in an open mode in which fuel is pumped freely from the fuel tank into the filter zone, and a dump mode, wherein reverse-flow fuel delivered from the other filter zone backwashes the dumping filter zone to purge the filter elements of accumulated particulates.

REFERENCES:
patent: 2302552 (1942-11-01), Johnson
patent: 2425700 (1947-08-01), Le Clair
patent: 2843268 (1958-07-01), Kennedy
patent: 2979160 (1961-04-01), Haas
patent: 3291562 (1966-12-01), Anderson
patent: 3380591 (1968-04-01), Muller
patent: 3679060 (1972-07-01), Smith
patent: 3770623 (1973-11-01), Seidel
patent: 3848633 (1974-11-01), Hurtig et al.
patent: 4129429 (1978-12-01), Humbert et al.

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