Air cleaner arrangements; serviceable filter elements; and, methods
An air cleaner arrangement or assembly is provided. The air cleaner arrangement includes a serviceable filter cartridge. The air cleaner assembly also includes an arrangement for positioning the filter cartridge into a preferred, sealing, orientation and for securing the filter cartridge in that location. Preferred serviceable filter cartridges are provided, as well as methods of assembly and use.
1. An air filter cartridge comprising:
(a) an air filter media configuration comprising fluted media secured to facing sheet and configured in a form having opposite inlet and outlet flow faces with flutes extending in a direction between the inlet and outlet flow faces;
(b) a primary seal arrangement including a seal member configured to form a radial seal with a housing, in use;
(i) the seal member having a seal surface defining a rectangular perimeter shape having:
(A) a first pair of opposite, straight, sides;
(B) a second pair of opposite, straight, sides; and,
(C) four rounded corners; wherein each straight side of the seal member extends for a distance of at least 10 mm, without curvature; and,
(c) the filter cartridge including opposite sides, each opposite side having a projection arrangement thereon spaced from the primary seal arrangement so that the projection arrangement is separate from the primary seal arrangement.
2. An air filter cartridge according to claim 1 wherein:
(a) the seal member is configured to form an outwardly directed radial seal.
3. An air filter cartridge according to claim 1 wherein:
(a) the seal member is configured to form an inwardly directed radial seal.
4. An air filter cartridge according to claim 1 wherein:
(a) the air filter media configuration comprises fluted media secured to facing sheet and coiled as a continuous sheet.
5. An air filter cartridge according to claim 1 wherein:
(a) the air filter media configuration comprises a stacked construction of sheets of media.
6. An air filter cartridge according to claim 1 including:
(a) an outlet end support lattice adjacent the outlet flow face of the air filter media configuration and extending thereacross.
7. An air filter cartridge according to claim 1 wherein:
(a) the air filter media configuration is surrounded by a sheath.
8. An air cleaner cartridge according to claim 7 wherein:
(a) the sheath is impermeable.
9. An air filter cartridge according to claim 8 wherein:
(a) the sheath is formed from a material selected from plastic and metal.
10. An air filter cartridge according to claim 8 wherein:
(a) the primary seal member is positioned on a seal support; the seal support being integral with the sheath.
11. An air filter cartridge according to claim 7 wherein:
(a) the sheath has a length at least extending from the inlet flow face to the outlet flow face.
12. An air filter cartridge according to claim 1 including:
(a) a gasket member surrounding the air filter media configuration at a location spaced from the primary seal arrangement.
13. An air filter cartridge comprising:
(a) an air filter media configuration comprising fluted media secured to facing sheet and configured in a form having opposite inlet and outlet flow faces with flutes extending in a direction between the inlet and outlet flow faces, and;
(b) a primary seal arrangement including a seal member configured to form a radial seal with a housing, in use;
(i) the seal member defining a seal with a rectangular perimeter shape having:
(A) a first pair of opposite, straight, sides;
(B) a second pair of opposite, straight, sides; and
(C) four rounded corners; wherein each straight side of the seal member extends for a distance of at least 10 mm, without curvature.
14. An air filter cartridge according to claim 13 wherein:
(a) the seal member is configured to form an outwardly directed radial seal.
15. An air filter cartridge according to claim 13 wherein:
(a) the seal member is configured to form an inwardly directed radial seal.
16. An air filter cartridge according to claim 13 wherein:
(a) the air filter media configuration comprises fluted media secured to facing sheet and coiled as a continuous sheet.
17. An air filter cartridge according to claim 13 wherein:
(a) the air filter media configuration comprises a stacked construction of sheets of media.
18. An air filter cartridge according to claim 13 including:
(a) an outlet end support lattice adjacent the outlet flow face of the media configuration and extending thereacross.
19. An air filter cartridge according to claim 13 wherein:
(a) the air filter media configuration is surrounded by a sheath.
20. An air cleaner cartridge according to claim 19 wherein:
(a) the sheath is impermeable.
21. An air filter cartridge according to claim 20 wherein:
(a) the sheath is a material selected from plastic and metal.
22. An air filter cartridge according to claim 19 wherein:
(a) the primary seal member is positioned on a seal support; the seal support being integral with the sheath.
23. An air filter cartridge according to claim 19 wherein:
(a) the sheath extends at least from the inlet flow face to the outlet flow face.
24. An air filter cartridge according to claim 13 including:
(a) a gasket member surrounding the air filter media configuration at a location spaced from the primary seal arrangement.
25. An air filter cartridge according to claim 1 wherein:
(a) a first set of the flute are sealed or folded closed at the outlet flow face, and a second set of the flutes are sealed or folded closed at the inlet flow face.
26. An air filter cartridge according to claim 13 wherein:
(a) a first set of the flute are sealed or folded closed at the outlet flow face, and a second set of the flutes are sealed or folded closed at the inlet flow face.
27. An air filter cartridge according to claim 1 wherein:
(a) the projection arrangement is spaced from the primary seal arrangement by at least 0.5 cm.
28. An air filter cartridge according to claim 1 wherein:
(a) the projection arrangement is spaced from the primary seal arrangement by 2 cm to 20 cm.