Completely sealed fuel filter and method of making same

Details Completely sealed fuel filter and method of making same Completely sealed fuel filter and method of making same

1988-07-15

1989-08-01

Fisher, Richard V.

Liquid purification or separation

Diverse distinct separators

Including a filter

210335, 210342, 2104164, 210461, 210499, 156 731, 156294, B01D 2914

Patent

active

048531235

ABSTRACT:
A completely sealed fuel filter comprises an open mesh support and a closed tubular perforate body covering the support of a material having openings there throughout its surface sufficiently small in the micron range so as to pass fuel therethrough, but not aqueous solutions present in fuel and contaminants. The body has an outlet. A connector surrounds the outlet and is secured to the body adapted for coupling the filter to the inlet of a fuel pump. An outlet patch of a material with openings in the micron range as the body spans and covers the outlet and is peripherally secured to the body to thereby completely seal the filter. The method of making a completely sealed filter comprises of steps of providing an open mesh support, enclosing the support with a closed tubular perforate body of a material having openings throughout its surface sufficiently small in the micron range so as to pass fuel therethrough, but not aqueous solutions present in fuel and contaminants, the body having an outlet; mounting and securing a connector upon the body over its outlet and mounting and securing a filter patch to the body over its outlet of a material with openings in the micron range as the body, which spans and covers the outlet, and thereafter peripherally sealing the filter patch to the body by ultrasonics.

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Publication of Society of Automotive Engineers, Inc. of 400 Commonwealth Drive, Warrendale, PA 15096, entitled "SAE Technical Paper Series--The Parameters that Control the Performance of the In-Tank Fuel Strainer", by Carl E. Miller, Paper Series No. 790091, Copyright 1979 (16 pages).
Publication of Society of Automotive Engineers, Inc. of 400 Commonwealth Drive, Warrendale, PA 15096, entitled "SAE Technical Paper Series--Reducing Low Temperature Wax Plugging in Fuel Sustems of the Diesel Passenger Car", by J. W. Muzatko, Paper Series No. 800222, Copyright 1980 (20 pages).

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