Air cleaner arrangements; components; and, methods
An air cleaner assembly and components therefor are provided. Features are described providing for installation of a preferred filter cartridge in a housing. A filter cartridge arrangement is described and shown. Methods of assembly and use are also described.
1. An air filter cartridge comprising:
(a) a media pack surrounding an open filter interior and having first and second ends;
(b) a first end cap positioned on the media pack first end;
(i) the first end cap having a central aperture therethrough;
(c) a housing seal member positioned on the first end cap;
(i) the housing seal member comprising a radially directed seal; and,
(d) a second end cap on the media pack second end; the second end cap including an inner surface and an outer surface;
(i) the outer surface defining a receiving groove having inner and outer side walls extending toward the first end; the outer sidewall of the receiving groove having a serpentine shape of radially facing, alternating, convex and concave portions; and, the inner sidewall having a serpentine shape of radially facing alternating convex and concave portions.
2. An air filter cartridge according to claim 1 wherein:
(a) the receiving groove has a smallest internal dimension thereacross of no more than 25 mm.
3. An air filter cartridge according to claim 1 wherein:
(a) the receiving groove has a smallest internal dimension thereacross of no more than 10 mm.
4. An air filter cartridge according to claim 1 wherein:
(a) the housing seal member is a radially inwardly directed seal.
5. An air filter cartridge according to claim 1 wherein:
(a) the outer sidewall of the receiving groove is spaced at least 20 mm from the media.
6. An air filter cartridge according to claim 4 wherein:
(a) the outer sidewall of the receiving groove is spaced at least 30 mm from the media.
7. An air filter cartridge according to claim 1 wherein:
(a) the inner surface of the second end cap includes a central receiving projection projecting away from the first end cap;
(i) the central receiving projection being surrounded by the receiving groove.
8. An air filter cartridge according to claim 7 wherein:
(a) the central projection extends further in a direction away from the first end piece, than the outer wall of the receiving groove.
9. An air filter cartridge according to claim 8 wherein:
(a) the central projection terminates at a tip that does not extend to a location further than the media pack second end, in a direction away from the first end piece.
10. An air filter cartridge according to claim 1 wherein:
(a) the media is pleated.
11. An air filter cartridge according to claim 1 wherein:
(a) the media pack comprises pleated media; and,
(b) the media pack is a conical media pack.
12. An air filter cartridge comprising:
(a) a media pack surrounding an open filter interior and having first and second ends;
(b) a first end cap positioned on the media pack first end;
(i) the first end cap having a central aperture therethrough;
(c) a housing seal member positioned on the first end cap;
(i) the housing seal member comprising a radially directed seal; and,
(d) a second end cap on the media pack second end; the second end cap including an inner surface and an outer surface;
(i) the outer surface including a receiving groove having inner and outer side walls extending toward the first end of the media pack; the outer sidewall being spaced at least 20 mm from the media, at an end of the receiving groove furthest toward the first end cap;
(ii) the outer surface of the second end cap including an outwardly directed projection surrounded by the receiving groove; and,
(iii) the inner surface of the second end cap including a central receiving projection projecting away from the first end cap;
(A) the central receiving projection being surrounded by the receiving groove; and,
(B) the central projection extending further away from the first end piece than the outer wall of the receiving groove.
13. An air filter cartridge according to claim 12 wherein:
(a) the outer sidewall of the receiving groove is spaced at least 30 mm from the media.
14. An air filter cartridge according to claim 12 wherein:
(a) the housing seal member is a radially inwardly directed seal.
15. An air filter cartridge according to claim 12 wherein:
(a) the central projection terminates at a tip that does not extend to a location further than the media pack second end, in a direction away from the first end piece.
16. An air filter cartridge according to claim 12 wherein:
(a) the receiving groove has a smallest internal dimension thereacross of no more than 25 mm.
17. An air filter cartridge according to claim 16 wherein:
(a) the receiving groove has a smallest internal dimension thereacross of no more than 10 mm.
18. An air filter cartridge according to claim 12 wherein:
(a) the receiving groove has a serpentine sidewall.
19. An air filter cartridge according to claim 12 wherein:
(a) the media is pleated.
20. An air filter cartridge according to claim 12 wherein:
(a) the media pack comprises pleated media; and,
(b) the media pack is a conical media pack.