Self-evacuating water-separating fuel filter

Details Self-evacuating water-separating fuel filter Self-evacuating water-separating fuel filter

1996-05-10

1998-08-04

Savage, Matthew O.

Liquid purification or separation

Diverse distinct separators

Including a filter

2104331, 210438, 210440, 210444, 210450, B01D 3516

Patent

active

057888590

ABSTRACT:
A spin-on water-separating fuel filter has a built-in central drain tube for providing a sump port at the connection end of the spin-on filter located near the fuel inlet and fuel outlet ports. Water removed from the fuel is collected in a sump at the base of the filter. The drain tube, supported in the bore of the filter element, has a sump end projecting into the sump, and an outlet end adjacent to and aligned with a central threaded opening at the connection end of the filter. The outlet end of the drain tube, self-centered near the threaded opening, has a captured gasket which forms the sump port. When the filter is installed on the mounting head, the outlet end of the drain tube is coupled to a short stub tube projecting from the center of the central threaded neck to form a sealed passage for evacuating water from the sump.

REFERENCES:
patent: 5078877 (1992-01-01), Cudaback et al.
patent: 5462658 (1995-10-01), Sem

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