Filter screen
AssigneeAccelerated Filtration, Inc.
InventorsAbhishek Shrivastava, Scott T. Burr, Piyush Soni, Laura J. Dietsche, Santhosh K. Ramalingam
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Abstract
Provided is a filter screen having a plurality of slots, each slot having a longest principal axis A1 that has a length L, and each slot having a second axis A2 that is perpendicular to A1 and that has a length W, wherein the distance between adjacent slots in the direction of the axes A2 is XP; wherein XP is greater than W; wherein the distance between adjacent slots in the direction of the axes A1 is YP; either wherein L is 800 micrometers or less and XP is 350 micrometers or less, or wherein L is 1600 μm or less and XP is 180 μm or less. Also provided is a method of filtering feed water using such a filter screen.
Claims8
A filter screen having a plurality of slots, each slot having a longest principal axis A1 that has a length L, and each slot having a second axis A2 that is perpendicular to A1 and that has a length W, wherein the slots are arranged so that
- all the axes A1 are parallel to each other;
- the slots are disposed in a plurality of rows, wherein the distance between center points of adjacent slots in the direction of the axes A2 is XP;
- wherein XP is greater than W;
- the slots are disposed in a plurality of columns, wherein the distance between nearest circumference points of adjacent slots in the direction of the axes A1 is YP;
- wherein L is 800 micrometers or less,
- wherein XP is 350 micrometers or less,
- wherein W is 50 micrometers or less, and
- wherein the filter has a curved surface.
Dependencies are inferred from the claim text.