Patent ID: 7713321
Filing Date: 2010-05-11
Classification: B01D

Abstract:
1. An air cleaner assembly comprising: (a) a housing defining an interior and having: an air flow inlet section; an air flow outlet section; and, a primary filter cartridge receiving section between the air flow inlet section and the air flow section; and, a primary filter cartridge housing radial seal surface; (b) a first removable and replaceable primary filter cartridge positioned within the housing; the first primary filter cartridge comprising a media pack having an inlet flow face and an opposite outlet flow face; (c) the housing defining a first air flow annulus around the first removable and replaceable primary filter cartridge; and, (d) the primary filter cartridge housing radial seal surface comprising an interior flange projecting toward the air flow inlet section; (e) the primary filter cartridge engagement and retainment arrangement includes first and second, spaced, handle arrangement receivers in the access cover;