PLEATED FILTER WITH PLEATPACK TAPERED AT BOTTOM TO MINIMIZE DUST BUILDUP

摘要

A filter includes a pleated filter material with a plurality of pleats arranged circumferentially. The pleated filter material includes a top half and a bottom half. An end cap is coupled with an axial end of the pleated filter material bottom half, and at least a portion of the pleated filter material is tapered. With a smaller end cap, the filter has less area on which dust can accumulate.

主权项

1. A filter comprising:
a pleated filter material including a plurality of pleats arranged circumferentially and having a nominal external diameter; and an end cap coupled with an axial end of the pleated filter material, the end cap having a diameter that is smaller than the nominal external diameter of the plurality of pleats, wherein the pleated filter material is tapered from the nominal external diameter at a top portion of the pleated filter material to a tapered diameter sized to fit within the end cap diameter.