IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0454230
(2009-05-14)
|
등록번호 |
US-8361181
(2013-01-29)
|
발명자
/ 주소 |
- Osendorf, Richard
- Bartels, Dolan
- Albitz, Andrew
- Keumpel, Bradley
|
출원인 / 주소 |
|
인용정보 |
피인용 횟수 :
10 인용 특허 :
48 |
초록
▼
Air cleaner assemblies and serviceable filter cartridges therefor are described. Example filter cartridges described which include a first end cap with a air flow aperture therethrough, having an outer axial surface and axial seal ring thereon. Example arrangements are provided with air flow inlet t
Air cleaner assemblies and serviceable filter cartridges therefor are described. Example filter cartridges described which include a first end cap with a air flow aperture therethrough, having an outer axial surface and axial seal ring thereon. Example arrangements are provided with air flow inlet tube section defining the aperture through the first end cap. Also, water seal arrangements, typically positioned radially inwardly from the air seal arrangement, are described.
대표청구항
▼
1. An air filter cartridge for removably positioning in an air cleaner housing for use; the air filter cartridge comprising: (a) a media pack comprising media surrounding an open interior and having first and second ends;(b) a first end cap on a first end of the media;(c) an air inlet tube section s
1. An air filter cartridge for removably positioning in an air cleaner housing for use; the air filter cartridge comprising: (a) a media pack comprising media surrounding an open interior and having first and second ends;(b) a first end cap on a first end of the media;(c) an air inlet tube section separate from the air cleaner housing and extending through the first end cap to define a central air flow inlet aperture; (i) the air inlet tube section comprising a pre-form non-removably secured to a remainder of the first end cap as part of the air filter cartridge;(d) a housing axial air seal ring surrounding, and spaced radially outwardly from, the central air flow inlet aperture and the air inlet tube section; (i) the air inlet tube section projecting at least 10 mm beyond the first end of the media; and,(ii) the axial seal ring having a tip remote from, and in overlap with, the media; the tip being positioned for releasable sealing with an air cleaner; in use; and,(e) a second end cap on the second end of the media. 2. An air filter cartridge according to claim 1 wherein: (a) the air flow inlet tube section inner flow surface has an outwardly flared outer end surface portion. 3. An air filter cartridge according to claim 1 wherein: (a) the air inlet tube section has an inner surface with a smooth, open, S-shaped contoured surface. 4. An air filter cartridge according to claim 1 wherein: (a) the first end cap includes a water seal projection thereon spaced radially inwardly from the housing axial air seal ring; (i) the water seal projection having an outer, radial, housing water seal surface. 5. An air filter cartridge according to claim 4 wherein: (a) the housing water seal surface has an outwardly tapered portion, in extension toward the media. 6. An air filter cartridge according to claim 1 wherein: (a) the media defines an outer media perimeter and an inner media perimeter; and,(b) the housing axial air seal ring is positioned in axial overlap with the media first end at location spaced at least twenty-five percent (25%) of a distance across the media first end from each of the inner media perimeter and the outer media perimeter. 7. An air filter cartridge according to claim 1 wherein: (a) the first end cap includes: an axially inner, molded-in-place, base portion, and an axially outer, molded-in-place, seal portion; (i) the axially outer, molded-in-place, seal portion defining the housing air seal ring; and, a water seal projection; and,(ii) the base portion comprising a harder, more dense, molding than the axially outer seal portion. 8. An air filter cartridge according to claim 1 wherein: (a) the air inlet tube section includes a centering projection arrangement thereon projecting radially outwardly from the air inlet tube section. 9. An air filter cartridge for removably positioning in an air cleaner housing, for use; the air filter cartridge comprising: (a) a media pack comprising media surrounding an open interior and having first and second ends; (i) the media defining an inner media perimeter and an outer media perimeter;(b) a first end cap on a first end of the media;(c) a housing axial air seal ring on the first end cap having a tip remote from the media; the tip being positioned in axial overlap with the media, at a location spaced at least 25% of a distance across the media from both the inner media perimeter and the outer media perimeter and positioned for releasable sealing engagement with an air cleaner in use;(d) an air flow inlet tube section non-removably secured to a remainder of the first end cap; (i) the air flow inlet tube section projecting axially outwardly from the media pack first end a distance of at least 10 mm greater than a free distance of projection of the housing axial air seal ring; and,(ii) the air flow inlet tube section defining a flow aperture through the first end cap and in communication with the open interior; and,(e) a second end cap on a second end of the media; (i) the second end cap including an outer perimeter housing radial seal portion. 10. An air filter cartridge for removably positioning in an air cleaner housing for use: the air filter cartridge comprising:(a) a media pack comprising media surrounding an open interior and having first and second ends;(b) a first end cap on the first end of the media, the first end cap including: (i) a central air flow inlet aperture therethrough positioned to direct air through the first end cap into the open interior;(c) an air flow inlet tube section surrounding and defining the air flow inlet aperture; (i) the air flow inlet tube section having a central portion and an inner end; (A) the inner end having a inwardly radiused surface portion adjacent thereto, curved inwardly over a radius within the range of 20-30 mm; and, defining an inner air flow diameter at the inner end or least 7 mm smaller than the central portion inner diameter;(d) a housing axial air seal ring surrounding, and spaced radially outwardly from, the central air flow inlet aperture; and,(e) a second end cap on the second end of the media; the second end cap having an outer perimeter with an outwardly directed seal portion thereon. 11. An air filter cartridge according to claim 10 wherein: (a) the air flow inlet tube section is non-removably secured to a remainder of the first end cap. 12. An air filter cartridge for removably positioning in an air cleaner housing for use: the air filter cartridge comprising:(a) a media pack comprising media surrounding an open interior and having first and second ends;(b) a first end cap on the first end of the media, the first end cap including: (i) a central air flow inlet aperture therethrough positioned to direct air through the first end cap into the open interior;(c) an air flow inlet tube section non-removably secured to a remainder of the first end cap and surrounding and defining the air flow inlet aperture; (i) the air flow inlet tube section having a central portion and an inner end;(d) a housing axial air seal ring surrounding, and spaced radially outwardly from, the central air flow inlet aperture; and,(e) a second end cap on the second end of the media; the second end cap having an outer perimeter with an outwardly directed seal portion thereon. 13. An air filter cartridge for removably positioning in an air cleaner housing for use; the air filter cartridge comprising: (a) a media pack comprising media surrounding an open interior and having first and second ends;(b) a first end cap on a first end of the media;(c) an air inlet tube section separate from the housing and extending through the first end cap to define a central air flow inlet aperture;(d) a housing axial air seal ring surrounding, and spaced radially outwardly from, the central air flow inlet aperture and the air inlet tube section; (i) the air inlet tube section projecting at least 10 mm beyond the first end of the media; and,(e) a second end cap on the second end of the media;(f) the first end cap including a water seal projection thereon spaced radially inwardly from the housing axial air seal ring; (i) the water seal projection having an outer, radial, housing water seal surface; and,(g) the water seal projection extending axially, away from the media, a distance at least 2 mm further than a free distance of axial extension of the housing axial air seal ring away from the media. 14. An air filter cartridge for removably positioning in an air cleaner housing for use; the air filter cartridge comprising: (a) a media pack comprising media surrounding an open interior and having first and second ends;(b) a first end cap on a first end of the media;(c) an air inlet tube section separate from the housing and extending through the first end cap to define a central air flow inlet aperture; (i) the air inlet tube section including an inner flow surface having an inwardly flared inner end surface portion;(d) a housing axial air seal ring surrounding, and spaced radially outwardly from, the central air flow inlet aperture and the air inlet tube section; (i) the air inlet tube section projecting at least 10 mm beyond the first end of the media; and,(e) a second end cap on the second end of the media. 15. An air filter cartridge according to claim 14 wherein: (a) the media defines an outer media perimeter and an inner media perimeter; and,(b) the housing axial air seal ring is positioned in axial overlap with the media first end at location spaced at least twenty-five percent (25%) of a distance across the media first end from each of the inner and outer media perimeters. 16. An air filter cartridge according to claim 14 wherein: (a) the first end cap includes a water seal projection thereon spaced radially inwardly from the housing axial air seal ring; (i) the water seal projection having an outer, radial, housing water seal surface. 17. An air filter cartridge according to claim 16 wherein: (a) the water seal projection extends axially, away from the media, a distance at least 2 mm further than a free distance of axial extension of the housing axial air seal ring away from the media. 18. An air filter cartridge according to claim 16 wherein: (a) the housing water seal surface has an outwardly tapered portion, in extension toward the media. 19. An air filter cartridge according to claim 18 wherein: (a) the first end cap includes: an axially inner, molded-in-place, base portion, and an axially outer, molded-in-place, seal portion; (i) the axially outer portion defining the housing air seal ring; and, the water seal projection;(ii) the base portion comprising a harder, more dense, molding than the axially outer seal portion. 20. An air filter cartridge according to claim 19 wherein: (a) the air inlet tube comprises a pre-form non-removably embedded in the axially inner, molded-in-place base portion of the first end cap. 21. An air filter cartridge according to claim 14 wherein: (a) the air inlet tube section includes a centering projection arrangement thereon projecting radially outwardly from the air inlet tube section. 22. An air filter cartridge according to claim 21 wherein: (a) the centering projection arrangement comprises a plurality of vertical fins. 23. An air filter cartridge according to claim 21 wherein: (a) the centering projection arrangement comprises at least one radial centering ring surrounding, and projecting outwardly from, an adjacent portion of the air inlet tube section; (i) the radial centering ring being spaced from an outer end of the air inlet tube section, toward the media, and in at least partial axial overlap with the media. 24. An air filter cartridge for removably positioning in an air cleaner housing for use; the air filter cartridge comprising: (a) a media pack comprising media surrounding an open interior and having first and second ends;(b) a first end cap on a first end of the media;(c) an air inlet tube section separate from the housing and extending through the first end cap to define a central air flow inlet aperture;(d) a housing axial air seal ring surrounding, and spaced radially outwardly from, the central air flow inlet aperture and the air inlet tube section; (i) the air inlet tube section projecting at least 10 mm beyond the first end of the media; and,(e) a second end cap on the second end of the media;(f) the first end cap including a water seal projection thereon spaced radially inwardly from the housing axial air seal ring; (i) the water seal projection having an outer, radial, housing water seal surface; and,(ii) the housing water seal surface having an outwardly tapered portion, in extension toward the media; and,(g) the first end cap including: an axially inner, molded-in-place, base portion, and an axially outer, molded-in-place, seal portion; (i) the axially outer, molded-in-place, seal portion defining the housing air seal ring; and, the water seal projection; and,(ii) the base portion comprising a harder, more dense, molding than the axially outer seal portion. 25. An air filter cartridge for removably positioning in an air cleaner housing for use; the air filter cartridge comprising: (a) a media pack comprising media surrounding an open interior and having first and second ends;(b) a first end cap on a first end of the media;(c) an air inlet tube section separate from the housing and extending through the first end cap to define a central air flow inlet aperture;(d) a housing axial air seal ring surrounding, and spaced radially outwardly from, the central air flow inlet aperture and the air inlet tube section; (i) the air inlet tube section projecting at least 10 mm beyond the first end of the media; and,(e) a second end cap on the second end of the media;(f) the air inlet tube section including a centering projection arrangement thereon projecting radially outwardly from the air inlet tube section; (i) the centering projection arrangement comprising a plurality of vertical fins. 26. An air cleaner assembly comprising: (a) a housing defining an interior including an air flow inlet; and, an air flow outlet;(b) an air filter cartridge operably positioned within the interior of the housing; the air filter cartridge comprising: (i) a media pack comprising media surrounding an open interior and having first and second ends;(ii) a first end cap on a first end of the media;(iii) an air inlet tube section separate from the housing and extending through the first end cap to define a central air flow inlet aperture;(iv) a housing axial air seal ring surrounding, and spaced radially outwardly from, the central air flow inlet aperture and the air inlet tube section; (A) the air inlet tube section projecting at least 10 mm beyond the first end of the media; and,(v) a water seal projection on the first end cap positioned radially inwardly from the housing axial air seal ring; and,(vi) a second end cap on the second end of the media;(c) the housing including a cover assembly with a centering and seal plate having: (i) a lower axial seal surface; and,(ii) an inner flange surrounding a central aperture; and,(d) the filter cartridge being positioned within the housing interior with: (i) the axial seal ring on a first end cap of the filter cartridge compressed by, and sealed to, the lower axial seal surface of the centering and seal plate; and,(ii) the water seal projection on the filter cartridge extending into the central aperture of the centering and seal plate; the water seal projection having an outer radial seal surface sealed to the inner flange of the centering plate.
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