Air cleaner; air filter cartridge and method of manufacturing
AssigneeDonaldson Company, Inc.
InventorsDouglas Lee Iddings, Jian Xu, Lloyd E. Weisert, James R. Scott
Life of this patent
Estimating the term…
Abstract
According to the present disclosure an air cleaner and air filter cartridge arrangement is provided. The air filter cartridge is a removable and replaceable cartridge for use in the air cleaner. The cartridge includes, among other things, an end cap having a preferred outwardly directed radial seal and a groove. The air cleaner includes a housing with a ring projecting into an interior, positioned to project against an end of the filter cartridge, when the filter cartridge is mounted for use. Methods of assembly and installation are described.
Claims14
-6. (canceled)
An air cleaner comprising:
- (a) a housing defining an interior and including an end outlet;
- (i) the housing including an end wall surrounding the end outlet;
- (ii) the housing including an annular housing seal surface surrounding the end wall;
- and
- (iii) the housing including a first ring projecting into the interior of the housing from the end wall;
- (A) the first ring being spaced from both the end outlet and the housing annular radial seal surface;
- and
- (b) an air filter cartridge removably positioned within the housing interior;
- the filter cartridge comprising:
- (i) a region of filter media surrounding and defining an open central interior;
- and,
- (ii) first and second end caps;
- (A) the media extending between the first and second end caps;
- (B) the first end cap being closed to flow of air therethrough;
- and,
- (C) the second end cap being an open end cap having an outer, annular, outwardly directed housing radial seal portion and an end surface;
- and,
- (iii) the air filter cartridge being positioned with:
- (A) the first ring projecting against the end of the second end cap;
- and,
- (B) the housing radial seal portion of the second end cap radially sealed to the annular housing seal surface of the housing.
(canceled)
Dependencies are inferred from the claim text.