Fuel tank dewatering apparatus

Details Fuel tank dewatering apparatus Fuel tank dewatering apparatus

1988-04-28

1989-08-29

Jones, W. Gary

Liquid purification or separation

Structural installation

Separator ancillary to storage tank

210282, 2105021, 210DIG6, B01J 2022

Patent

active

048614696

ABSTRACT:
Described is a dewatering apparatus for insertion into and retrieval from an engine fuel tank through the tank inlet for removing water from the liquid fuel contained in the tank. The apparatus includes an elongate cylindrical container of fixed capacity and an elongate tie connected thereto and accessibly anchored near the fuel tank inlet. A volume of dry particulate hygroscopic material, principally cross-linked polyacrylamide co-polymer fills a minor portion of the container capacity, and is expandable to many times its dry volume in the presence of water without absorbing the liquid fuel, so as to remove water therefrom within the capacity of the container. The dry volume is selected to limit the fully expanded volume to within the capacity of the container. The container is made of nylon or Delrin plastic and includes a rigid structural cage having spaced longitudinal and circumferential ribs, joined together with end closures and with a cylindrical screen contained within the cage for providing substantial porous wall surfaces exposed therebetween which are permeable to air, water and the liquid fuel but substantially impermeable to the hygroscopic material.

REFERENCES:
patent: 3122501 (1964-02-01), Hultgren
patent: 3951812 (1976-04-01), Hsu
patent: 4061807 (1977-12-01), Shaler et al.
patent: 4419236 (1983-12-01), Hsu
patent: 4588505 (1986-05-01), Walley et al.
patent: 4758350 (1988-07-01), Pitts et al.
patent: 4775473 (1988-10-01), Johnson et al.

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