Patent ID: 9381452
Filing Date: 2016-07-05
CPC Classification: B01D,F02C

Claim Text:
1. A filter for use with a fuel system having contaminants therein, said filter comprising: a plurality of apices; a plurality of ridges, each ridge attaching an apex to an adjacent apex wherein a plurality of ridges and adjoining apices define a first opening; a second opening in register with said first opening wherein said second opening has less surface area than said first opening; a first side attaching said first opening and said second opening wherein said first side tapers inwardly from said first opening to said second opening; a third opening in register with said second opening; a fourth opening defined by a second plurality of apices and ridges and in register with said third opening wherein said third opening has less surface area than said fourth opening; a second side attaching said third opening and said fourth opening wherein said second side tapers outwardly from said third opening to said fourth opening; and a flow passage from said first opening to said second opening decreasing in cross-sectional area, then moves through said third opening, and increases in cross-sectional area until reaching said fourth opening.