Filter element, air cleaner, and methods

摘要

A filter arrangement includes a filter element, a frame construction secured to the filter element, and a handle member secured to the filter element. In preferred embodiments, the handle member is secured to the frame construction. Preferably, the filter element includes a central core member, wherein fluted filter media is coiled around the central core member. Preferably, the central core member includes a plurality of corrugations, wherein the corrugations mateably engage at least some flutes. Preferably, the handle member is integral with the central core member, and also includes a fastening member for connection to a frame construction on the filter element. Methods for cleaning air and servicing an air cleaner preferably include constructions as described herein.

主权项

1. A filter arrangement comprising:
(a) a filter element having opposite first and second ends; said filter element comprising a plurality of flutes;
(i) each of said flutes having a first end portion adjacent to said filter element first end, and a second end portion adjacent to said filter element second end;
(A) selected ones of said flutes being open at said first end portion and closed at said second end portion; and selected ones of said flutes being closed at said first end portion and open at said second end portion; (b) a frame construction secured to said filter element and including an extension projecting axially from one of said first and second ends;
(i) said extension of said frame arrangement supporting a seal member; and (c) a projection arrangement extending axially from the other of said first and second ends, wherein the projection arrangement comprises a first projection and a second projection and wherein the first projection and the second projection are spaced from each other.