초록 ▼

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

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.

대표청구항 ▼

The invention claimed is: 1. An air filter cartridge comprising: (a) a z-filter media pack comprising fluted media secured to facing media; the media pack having an inlet flow face, an outlet flow face, and an axial length between the inlet flow face and outlet flow face; (b) an impermeable shell h

The invention claimed is: 1. An air filter cartridge comprising: (a) a z-filter media pack comprising fluted media secured to facing media; the media pack having an inlet flow face, an outlet flow face, and an axial length between the inlet flow face and outlet flow face; (b) an impermeable shell having opposite ends and a sidewall extending therebetween; the shell sidewall circumscribing the media pack; the shell having a seal support; (i) the media pack being secured within the shell; (ii) the seal support defining a plurality of seal flow apertures therethrough; (c) grid work extending over the outlet flow face; and (d) a seal arrangement secured to the seal support; (i) the seal arrangement molded to the seal support and extending through the seal flow apertures; (ii) the grid work and the seal support are at opposite ends of the shell. 2. An air filter cartridge according to claim 1 wherein: (a) the shell comprises a molded plastic material; and (b) the seal arrangement comprises foamed polyurethane. 3. An air filter cartridge according to claim 1 wherein: (a) the shell is secured to the media pack by the seal arrangement. 4. An air filter cartridge according to claim 1 wherein: (a) the seal arrangement is molded directly to the media pack. 5. An air filter cartridge according to claim 1 wherein: (a) the grid work is an integral part of the shell. 6. An air filter cartridge according to claim 1 wherein: (a) the seal arrangement includes no portion extending over the inlet flow face; and the seal arrangement includes no portion extending over the outlet flow face. 7. An air filter cartridge according to claim 1 wherein: (a) the seal arrangement includes an axial pinch seal. 8. An air filter cartridge according to claim 1 wherein: (a) the media pack comprises a coiled z-filter media pack and a core is within the media pack. 9. An air filter cartridge according to claim 8 wherein: (a) the core includes a receiver and a non-hollow central blade. 10. An air filter cartridge according to claim 9 wherein: (a) the grid work includes a center cross-piece defining the receiver. 11. An air filter cartridge according to claim 1 wherein: (a) the seal support extends radially outwardly; (b) the media pack is racetrack shaped; and (c) the shell is racetrack shaped. 12. An air filter cartridge according to claim 1 wherein: (a) the seal support is annular with respect to the media pack. 13. An air filter cartridge according to claim 12 wherein: (a) the plurality of seal flow apertures extend along the annular seal support. 14. An air filter cartridge according to claim 1 wherein: (a) the shell includes a first end having: (i) a sidewall portion; and (ii) a transition portion canted relative to the sidewall portion. 15. An air filter cartridge according to claim 14 wherein: (a) the shell first end includes the seal support; (i) the transition portion is between the sidewall portion and the seal support; and (b) the seal arrangement includes seal material between the transition portion and the media pack. 16. An air filter cartridge comprising: (a) a z-filter media pack comprising fluted media secured to facing media; the media pack having an inlet flow face, an outlet flow face, and an axial length between the inlet flow face and outlet flow face; (i) the media pack being racetrack shaped; (b) an impermeable shell having opposite ends and a sidewall extending therebetween; the shell sidewall circumscribing the media pack; the shell having a seal support; (i) the media pack being secured within the shell; (ii) the seal support defining a plurality of seal flow apertures therethrough; (iii) the seal support extending radially outwardly; (iv) the shell being racetrack shaped; (c) grid work extending over the outlet flow face; and (d) a seal arrangement secured to the seal support; (i) the seal arrangement molded to the seal support and extending through the seal flow apertures. 17. An air filter cartridge according to claim 16 wherein: (a) the shell includes a first end having: (i) a sidewall portion; and (ii) a transition portion canted relative to the sidewall portion. 18. An air filter cartridge according to claim 17 wherein: (a) the shell first end includes the seal support; (i) the transition portion is between the sidewall portion and the seal support; and (b) the seal arrangement includes seal material between the transition portion and the media pack. 19. An air filter cartridge according to claim 16 wherein: (a) the seal arrangement includes no portion extending over the inlet flow face; and the seal arrangement includes no portion extending over the outlet flow face. 20. An air filter cartridge according to claim 16 wherein: (a) the seal arrangement includes an axial pinch seal. 21. An air filter cartridge comprising: (a) a z-filter media pack comprising fluted media secured to facing media; the media pack having an inlet flow face, an outlet flow face, and an axial length between the inlet flow face and outlet flow face; (b) an impermeable shell having opposite ends and a sidewall extending therebetween; the shell sidewall circumscribing the media pack; the shell having a seal support; (i) the media pack being secured within the shell; (ii) the seal support defining a plurality of seal flow apertures therethrough; (c) grid work extending over the outlet flow face; and (d) a seal arrangement secured to the seal support; (i) the seal arrangement molded to the seal support and extending through the seal flow apertures; (ii) the shell secured to the media pack by the seal arrangement. 22. An air filter cartridge comprising: (a) a z-filter media pack comprising fluted media secured to facing media; the media pack having an inlet flow face, an outlet flow face, and an axial length between the inlet flow face and outlet flow face; (b) an impermeable shell having opposite ends and a sidewall extending therebetween; the shell sidewall circumscribing the media pack; the shell having a seal support; (i) the media pack being secured within the shell; (ii) the seal support defining a plurality of seal flow apertures therethrough; (c) grid work extending over the outlet flow face; and (d) a seal arrangement secured to the seal support; (i) the seal arrangement molded to the seal support and extending through the seal flow apertures; (ii) the seal arrangement molded directly to the media pack. 23. An air filter cartridge comprising: (a) a z-filter media pack comprising fluted media secured to facing media; the media pack having an inlet flow face, an outlet flow face, and an axial length between the inlet flow face and outlet flow face; (b) an impermeable shell having opposite ends and a sidewall extending therebetween; the shell sidewall circumscribing the media pack; the shell having a seal support; (i) the media pack being secured within the shell; (ii) the seal support defining a plurality of seal flow apertures therethrough; (c) grid work extending over the outlet flow face; and (d) a seal arrangement secured to the seal support; (i) the seal arrangement molded to the seal support and extending through the seal flow apertures; (ii) the seal arrangement including no portion extending over the inlet flow face; and the seal arrangement including no portion extending over the outlet flow face. 24. An air filter cartridge comprising: (a) a z-filter media pack comprising fluted media secured to facing media; the media pack having an inlet flow face, an outlet flow face, and an axial length between the inlet flow face and outlet flow face; (b) an impermeable shell having opposite ends and a sidewall extending therebetween; the shell sidewall circumscribing the media pack; the shell having a seal support; (i) the media pack being secured within the shell; (ii) the seal support defining a plurality of seal flow apertures therethrough; (c) grid work extending over the outlet flow face; and (d) a seal arrangement secured to the seal support; (i) the seal arrangement molded to the seal support and extending through the seal flow apertures; (ii) the seal arrangement including an axial pinch seal. 25. An air filter cartridge comprising: (a) a z-filter media pack comprising fluted media secured to facing media; the media pack having an inlet flow face, an outlet flow face, and an axial length between the inlet flow face and outlet flow face; (i) the media pack comprising a coiled z-filter media pack, and a core being within the media pack; (ii) the core including a receiver and a non-hollow central blade; (b) an impermeable shell having opposite ends and a sidewall extending therebetween; the shell sidewall circumscribing the media pack; the shell having a seal support; (i) the media pack being secured within the shell; (ii) the seal support defining a plurality of seal flow apertures therethrough; (c) grid work extending over the outlet flow face; and (d) a seal arrangement secured to the seal support; (i) the seal arrangement molded to the seal support and extending through the seal flow apertures. 26. An air filter cartridge comprising: (a) a z-filter media pack comprising fluted media secured to facing media; the media pack having an inlet flow face, an outlet flow face, and an axial length between the inlet flow face and outlet flow face; the media pack defining a longitudinal axis; and (b) a shell and a seal arrangement; the shell and seal arrangement extending the axial length of the media pack; the shell having a sidewall and a portion that is canted relative to the longitudinal axis of the media pack; the shell sidewall circumscribing the media pack; (i) the media pack being secured within the shell; (ii) the seal arrangement being molded to the canted portion. 27. An air filter cartridge according to claim 26 wherein: (a) the seal arrangement includes a radial seal. 28. An air filter cartridge according to claim 26 further comprising: (a) grid work extending over the outlet flow face; (b) the grid work is an integral part of the shell; and (c) a core within the media pack. 29. An air filter cartridge according to claim 26 wherein: (a) the shell has a first end having a seal support; (i) the canted portion is between the sidewall and the seal support; and (b) the seal arrangement includes seal material between the canted portion and the media pack. 30. An air filter cartridge according to claim 26 wherein: (a) the shell has a seal support; (i) the seal support includes a plurality of seal flow apertures therethrough; and (ii) the seal arrangement extends through the seal flow apertures. 31. An air filter cartridge according to claim 26 wherein: (a) the seal arrangement is molded directly to the media pack; and (b) the seal arrangement comprises foamed polyurethane.