Air Filter Arrangement; Air Cleaner Assembly; and, Methods

摘要

A media pack for including in a filter cartridge of an air filter arrangement, is provided. A variety of configurations for the media pack are described and shown, an example shown being trapezoidal. Filter cartridges including such media packs, air cleaner assemblies and equipment systems are described. Also methods of use assembly are described.

主权项

1. An air filter cartridge comprising:
(a) a media pack having first and second, opposite, inlet and outlet flow faces;
(i) the media pack comprising media including fluted media secured to facing media to define inlet and outlet flutes extending in a direction between the first and second, opposite, inlet and outlet flow faces;(ii) each of the inlet and outlet flow faces having a non-circular perimeter definition; and,(iii) the media pack being closed to flow of unfiltered air completely therethrough from the first flow face through the second flow face; and, (b) a housing seal arrangement positioned around the media pack;
(i) the housing seal arrangement including a portion molded-in-place in contact with a portion of the media;(ii) the housing seal arrangement including a pinch flange and defining a receiving gap between a portion of the pinch flange and the media pack; and,(iii) the pinch flange defining a non-rectangular perimeter shape including a plurality of straight sections.