Filter elements; air cleaner; assembly; and, methods

摘要

A filter cartridge, a safety element and fluid cleaner assembly are described. The fluid cleaner assembly generally includes a housing having a cover and a primary fluid cleaner section. The filter cartridge generally comprises z-filter media, arranged in a straight through configuration. Preferred cartridges include a seal gasket positioned to extend continuously around at outer perimeter of the straight through flow construction. The fluid cleaner assembly can have a precleaner positioned therein. Preferred features are described. Methods of assembly and use are also provided.

主权项

1. An air filter cartridge comprising:
(a) a z-filter media pack comprising a coiled arrangement of single facer media, wherein the single facer media comprises a fluted media sheet secured to a facing media sheet by a first sealant positioned therebetween, and a second sealant positioned along an opposite side of the facing media sheet from the first sealant, the media pack having an inlet flow face, an outlet flow face, an axial length between the inlet flow face and the outlet flow face, and flutes extending from the inlet flow face to the outlet flow face; wherein the media is closed to the flow of unfiltered air therethrough; (b) a shell having opposite ends and a sidewall extending therebetween, the sidewall circumscribing the media pack, wherein the media pack is secured within the shell; (c) a seal support extending from the shell and having a plurality of apertures therethrough; (d) a seal arrangement secured on the seal support, wherein the seal arrangement is molded to the seal support and extends through the apertures; and (e) the z-filter media pack has a non-circular cross section taken perpendicularly to a direction of extension of the flutes.