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US 8,038,756 B2Granted
Air cleaner arrangements; components; and, methods
AssigneeDonaldson Company, Inc.
InventorsDouglas Lee Iddings, Daniel Adamek, Thomas G. Miller, James R. Scott, Johan DeWitt
Life of this patent
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Abstract
An air cleaner assembly and components therefor are described. The components include features of an air cleaner housing; advantageous main filter cartridges; and, advantageous safety filter cartridge features. Features of the main filter cartridge are provided to engage an access cover of the assembly, and a cartridge support within the housing, in a preferred manner. Methods of assembly and use are also described.
Claims11
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 including a housing section and a housing piece;
- the housing includes a joint between the housing section and the housing piece;
- (b) 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;
- (B) the first end cap having a radially outwardly directed seal portion oriented to form a first releasable radial seal with the housing section;
- and,
- (C) the first end cap having a seal portion oriented to form a second radially outwardly directed releasable radial seal to the housing piece at an opposite side of the joint from the first releasable radial seal;
- and,
- (D) no portion of the first end cap being axially pinched between housing sections to form an axial seal;
- and,
- (iii) a second end cap positioned on the media second end;
- the second end cap being in a closed end cap.
14 more elements
Dependencies are inferred from the claim text.