Patent ID: 7959700
Filing Date: 2011-06-14
Classification: B01D,Y10S

Abstract:
1. A filter orientation device for enforcing correct orientation of a pleated filter element during installation comprising: a support member including a plurality of side members and a substantially open interior to said side members; at least one orientation rib positioned and mounted to said side member, a portion of said rib extending between adjacent pleats of said pleated filter when said pleated filter is in an installed position, said at least one orientation rib positioned and mounted to block against at least a portion of said pleats of said filter element when said filter element is in an incorrect orientation in said installed position, said blocking resisting installation of said pleated filter element when incorrectly oriented; wherein said at least one orientation rib is at least one pair of orientation ribs, wherein for each pair, said ribs in the pair are not mounted to the same side member; wherein said orientation ribs are not connected to other ones of said orientation ribs; wherein each rib of said pair is positioned and aligned to extend between a same set of said adjacent pleats of said filter element when said filter element is in said correctly installed position.