Importance

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Abstract

A self-cleaning strainer for use in fluid distribution systems including an open ended tubular body having an inlet at one end and an outlet at the other. In use, the strainer body is placed with its axis extending in the direction of fluid flow and with the inlet upstream. The inlet is substantially larger than the outlet and the side wall of the body slopes inwardly away from the inlet so that the cross sectional size of the interior of the body progressively decreases towards the outlet. The side wall is composed at least in part of a plurality of laterally spaced and substantially parallel bars which extend generally in the axial direction of the body. The space between each two adjacent bars constitutes a fluid escape passage and the outlet of the body provides a discharge outlet for particles unable to pass through the passages. The fluid escape passages are elongate in the axial direction of the body and consequently fluid can pass through the side wall without substantial change in flow direction. The slope of the side wall directs trapped particles into the discharge outlet.

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First Claim