Patent ID: 8066791

Claim:
An air cleaner assembly comprising: (a) a housing defining an interior and having an air flow inlet and an air flow outlet; (i) the housing defining a service access end and a removable access cover positioned thereover; and, (ii) the access cover including a central projection thereon, extending into the housing interior from the access cover; (b) a central cartridge support projecting toward the access cover from an end of the housing opposite the access cover; (i) the central cartridge support having a first end remote from the end of the housing opposite the access cover; the first end of the central cartridge support including a receiving groove surrounding a central projection; the central projection extending toward the access cover; and, (c) an air filter cartridge removably positioned in the housing interior, the filter cartridge comprising: (i) a media pack comprising media surrounding an open interior; the media having first and second ends; (ii) a first end cap positioned on the media first end; (A) the first end cap having a central aperture therethrough; (iii) a housing seal member on the first end cap removably sealed to the housing; (iv) a second end cap positioned on the media pack second end; the second end cap being a closed end cap; (A) the second end cap including a portion projecting into the receiving groove on the end of the central support; (B) the second end cap including a portion extending over the central projection of the central cartridge support; and, (C) the second end cap including an outer surface with a receiving groove therein; (1) the central projection on the access cover projecting into a receiving groove on the outer surface of the second end cap.