SEAL ARRANGEMENT FOR FILTER ELEMENT; FILTER ELEMENT ASSEMBLY; AND, METHODS

摘要

A filter cartridge arrangement is provided which includes a media pack comprising Z-filter media, a preform and a housing seal member. Improvements in the preform and seal member are described which include: a single beveled surface of the seal member to facilitate installation; and, an inside region of the seal member having a tip adjacent in inwardly directed lip of the preform, to control flash during molding. A variety of media pack configurations and features are described.

主权项

1. An air filter cartridge comprising:
(a) a media pack including opposite inlet and outlet ends:
the media pack comprising filter media defining a set of inlet flutes and a set of outlet flutes extending between the inlet and outlet ends; and(ii) the media pack being closed to flow of unfiltered air therethrough without passage through filter media of the media pack; (b) a preform positioned adjacent a first one of the inlet and outlet ends of the media pack;
(i) the preform including a radial seal support; and,(ii) the radial seal support having an outside surface; (c) a seal member positioned on the perform; the seal member including:
(i) a radial seal region positioned adjacent the radial support outside surface; and(ii) a single, beveled, outer axial surface including a straight section extending at an angle relative to a plane perpendicular to a direction between the media pack opposite inlet and outlet ends;(iii) the beveled outer surface being positioned in extension between a portion of the radial seal region and the outer tip of the seal member.