Air filter cartridges, components thereof; and, air cleaner assemblies
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01D-046/24
B01D-046/00
B01D-046/52
F01N-003/021
출원번호
US-0000516
(2012-02-24)
등록번호
US-9346001
(2016-05-24)
국제출원번호
PCT/US2012/026596
(2012-02-24)
§371/§102 date
20131227
(20131227)
국제공개번호
WO2012/116314
(2012-08-30)
발명자
/ 주소
Kato, Shigeo
Yao, Hajime
Kawabe, Yota
Kuwabara, Yutaka
Teshigawara, Junich
Yanada, Shugo
출원인 / 주소
Donaldson Company, Inc.
대리인 / 주소
Merchant & Gould, P.C.
인용정보
피인용 횟수 :
0인용 특허 :
161
초록
Air cleaner assemblies, features thereof and components thereof are described. Among the components described are a main filter cartridge and a safety cartridge.
대표청구항▼
1. An air filter cartridge comprising: (a) an extension of media having first and second, opposite, ends and positioned surrounding an open interior; (i) the extension of media defining a central cartridge axis; and,(ii) the extension of media extending between first and second end pieces;(b) the fi
1. An air filter cartridge comprising: (a) an extension of media having first and second, opposite, ends and positioned surrounding an open interior; (i) the extension of media defining a central cartridge axis; and,(ii) the extension of media extending between first and second end pieces;(b) the first end piece being at the first end of the media and being an open end piece defining a radially inwardly directed housing radial seal at a location within an aperture surrounded by the media; (i) the first end piece including a receiving groove therein located with a deepest portion thereof positioned a distance radially from an outer perimeter of the media, at the first end of the media, corresponding to no more than 20% of a distance across the first end piece from the outer perimeter of the media at the first end of the media toward the central cartridge axis; and,(c) the second end piece having an outer surface and an inner surface; (i) the outer surface having a receiving groove therein; and,(ii) the inner surface having a central receiver projecting away from the first end piece. 2. An air filter cartridge according to claim 1 wherein: (a) the deepest portion of the receiving groove in the first end piece is located radially no more than 7 mm across the first end piece from the outer perimeter of the media at the first end. 3. An air filter cartridge according to claim 1 wherein: (a) the media is conical with a decreasing outer perimeter size in extension from the first end piece toward the second end piece. 4. An air filter cartridge according to claim 3 including: (a) a preform having an inner liner section surrounded by the extension of media. 5. An air filter cartridge according to claim 4 wherein: (a) the inner liner section is conical with a decreasing outer perimeter size in extension toward the second end piece. 6. An air filter cartridge according to claim 5 wherein: (a) the cartridge includes a preform having an end section; (i) the end section of the preform including: a closed central section; and, support structure extending across an end of the media. 7. An air filter cartridge according to claim 6 wherein: (a) the support structure on the end section of the preform extends completely across an end of the media. 8. An air filter cartridge according to claim 6 wherein: (a) the support structure extending across an end of the media is porous. 9. An air filter cartridge according to claim 1 including: (a) a plurality of spaced, radially inwardly directed, centering fins adjacent the second end piece. 10. An air filter cartridge according to claim 3 wherein: (a) the first end piece has a largest cross-sectional dimension within the range of 0.85-1.15×, inclusive, of a largest cross-sectional dimension of the second end piece. 11. An air filter cartridge according to claim 3 wherein: (a) the first end piece has a largest cross-sectional dimension within the range of 0.95-1.05×, inclusive, of a largest cross-sectional dimension of the second end piece. 12. An air filter cartridge according to claim 11 wherein: (a) the first end piece has a largest cross-sectional dimension that is the same as a largest cross-sectional dimension of the second end piece. 13. An air filter cartridge according to claim 1 further comprising: (a) a preform having an inner liner section and an end section; (i) the inner liner section being surrounded by the extension of media;(ii) the end section including: a closed central section; and, a flange section comprising support structure extending across an end of the media; and,(iii) the end section and inner liner section being non-separable, portions of the preform;(b) the first end piece being an open end piece molded-in-place on the first end of the media and defining a radially directed housing radial seal; and,(c) the second end piece including an overmold portion with the support structure of the preform, extending across an end of the media, embedded therein. 14. An air filter cartridge according to claim 13 wherein: (a) the end section on the preform extends completely across an end of the media. 15. An air filter cartridge according to claim 1 wherein: (a) the cartridge is outer liner free and outer shield free. 16. An air filter cartridge according to claim 1 wherein: (a) the extension of media is a conical extension of media having first and second, opposite, ends;(b) the second end piece is a closed end piece; and,(c) the first end piece has a largest cross-sectional dimension within the range of 0.85-1.15×, inclusive, of a largest cross-sectional dimension of the second end piece. 17. An air filter cartridge according to claim 16 wherein: (a) the first end piece has a largest cross-sectional dimension within the range of 0.92-1.08×, inclusive, of a largest cross-sectional dimension of the second end piece. 18. An air cleaner assembly comprising: (a) a housing including: an air flow inlet; an air flow outlet; and, an ejector outlet; (i) the housing including a removable access cover; and,(b) a main air filter cartridge according to claim 1 operably and removably positioned within the housing; the main air filter cartridge comprising: (i) an extension of media having first and second, opposite, ends extending between first and second end pieces; (A) the extension of media surrounding an open interior and defining a central cartridge axis; and,(ii) the first end piece being at the first end of the media and being an open end piece defining a radially inwardly directed housing radial seal at a location within an aperture surrounded by the media; (A) the first end piece including a receiving groove therein located with a deepest portion thereof positioned a distance radially from an outer perimeter of the media, at the first end of the media, corresponding to no more than 20% of a distance across the first end piece from the outer perimeter of the media at the first end of the media toward the central cartridge axis; and,(iii) the second end piece having an outer surface and an inner surface; (A) the outer surface having a recess therein; and,(B) the inner surface having a central receiver projecting away from the first end piece;(c) the access cover having a projection thereon extending into the recess on the outer surface of the second end piece; and,(d) the housing having a projection extending into the receiving groove on the first end piece. 19. An air filter cartridge comprising: (a) an extension of media having first and second, opposite, ends and positioned surrounding an open interior; (i) the extension of media defining a central cartridge axis; and,(ii) the extension of media extending between first and second end pieces;(b) the first end piece being at the first end of the media and being an open end piece defining a radially inwardly directed housing radial seal; (i) the first end piece including a receiving groove therein located with a deepest portion thereof positioned a distance radially from an outer perimeter of the media, at the first end of the media, corresponding to no more than 20% of a distance across the first end piece from the outer perimeter of the media at the first end of the media to the central axis;(c) the second end piece having an outer surface and an inner surface; (i) the outer surface having a receiving groove therein; and,(ii) the inner surface having a central receiver projecting away from the first end piece; and,(d) a plurality of spaced, radially inwardly directed, centering fins adjacent the second end piece. 20. An air filter cartridge according to claim 19 wherein: (a) the centering fins are positioned on an inner liner section surrounded by the media.
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