B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
183/98
B01D 27/08 (2006.01) B01D 35/02 (2006.01)
Patent
CA 1076042
(Abstract of the Disclosure) A fluid filter including a filter body having in- let and outlet passages communicating with an open ended chamber on opposite sides of a tapered seat area. A cup- shaped fluid filter or strainer element is located in the chamber through the open end thereof and is adapted to be closely received in the seat area. A bonnet assembly covers the open end of the chamber, is threadedly mounted to the body and is comprised of a bonnet, a bonnet nut and biasing means. The biasing means is employed to exert a biasing force against the filter or strainer element to continuously urge it toward the seat area. At least the bonnet and bonnet nut are themselves interconnected in a manner that permits both rotational and limited axial movement therebetween. The disclosed structure facilitates access to the chamber and filter or strainer element without the necessity for removing the entire fluid filter structure from a service installation. The interconnection between at least the bonnet and bonnet nut permits the bonnet assembly to be removed from the filter body as a single unit and the tapered seat area is configured such that the filter or strainer element is thereby retained in the chamber when the bonnet assembly is removed from the body for subsequent separate removal therefrom by hand.
256077
Boylan John R.
Diehl George D.
Gallagher Bernard J.
Kish Edward E.
Shufflebarger Earl D.
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