Patent ID: 6059851
Filing Date: 2000-05-09
Classification: B01D

Abstract:
A no-housing air filter comprising:(a) a first molded end cap, said first end cap being a closed end cap and having:(i) a mounting flange extending at a mounting angle within the range of 30 to 60.degree. from a base of said first end cap;(ii) a first length and a first width; and(iii) a length to width ratio of at least 3;(b) a second molded end cap, said second end cap being an open end cap and having:(i) an eccentrically disposed circular outlet allowing filtered air to exit from a center of the air filter;(ii) a second length and a second width; the second length greater than the first length and the second width greater than the first width; and(iii) a length to width ratio of at least 2; and(c) a pleated media pack comprising at least 50 pleats, extending from said first end cap and said second end cap, said media pack having a first oval outer perimeter proximate the first end cap and a second oval outer perimeter proximate the second end cap, wherein the second oval outer perimeter is greater than the first oval outer perimeter.