IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0268016
(2011-10-07)
|
등록번호 |
US-8480779
(2013-07-09)
|
발명자
/ 주소 |
- Boehrs, Bruce
- Reichter, Gregory
- Sabelko, Stephen
- Wendt, Paul
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
15 인용 특허 :
151 |
초록
▼
An air filter media construction or arrangement is disclosed. The air filter media construction or arrangement includes strips of media comprising corrugated sheets secured to facing sheets and forming inlet and outlet flutes secured to one another in a stack. Blocked stacked arrangements and slante
An air filter media construction or arrangement is disclosed. The air filter media construction or arrangement includes strips of media comprising corrugated sheets secured to facing sheets and forming inlet and outlet flutes secured to one another in a stack. Blocked stacked arrangements and slanted stacked arrangements are shown. Such stacked media is provided with molded end pieces to secure and seal opposite side edges of the media strips. Also described are serviceable filter cartridges and air cleaners including the filter cartridges. Methods of assembly and use are also provided.
대표청구항
▼
1. An air filter cartridge comprising: (a) a stack of strips of filter media; (i) each strip of filter media comprising a sheet of corrugated media secured to a facing sheet; (A) each strip of filter media having front and rear edges and side edges extending therebetween;(B) the stack of strips defi
1. An air filter cartridge comprising: (a) a stack of strips of filter media; (i) each strip of filter media comprising a sheet of corrugated media secured to a facing sheet; (A) each strip of filter media having front and rear edges and side edges extending therebetween;(B) the stack of strips defining opposite inlet and outlet flow faces with a set of inlet flutes and a set of outlet flutes extending therebetween; and,(C) the stack of strips having a first pair of first and second, opposite, side faces extending between the inlet and outlet flow faces; and(b) first and second opposite molded side pieces; (i) the first molded side piece having a first side edge of each strip of filter media in the stack of strips embedded therein, during molding of the first molded side piece, to seal the first side edge of each strip of filter media; and,(ii) the second molded side piece having a second side edge of each strip of media in the stack of strips embedded therein, during molding of the second molded side piece, to seal the second side edge of each strip of filter media;(c) the media stack defining a second pair of first and second, opposite, side faces extending between the first pair of first and second, opposite, side faces; (ii) the first and second, opposite, side faces, of the second pair, each having a portion extending between the first and second molded side pieces that is not covered by an molded-in-place side piece. 2. An air filter cartridge according to claim 1 wherein: (a) each one of the first and second, opposite, molded side pieces comprises molded polyurethane. 3. An air filter cartridge according to claim 2 wherein: (a) each one of the first and second, opposite, molded side pieces comprises foamed polyurethane molded to an as-molded density of no greater than 0.48 g/cc. 4. An air filter cartridge according to claim 3 wherein: (a) each one of the first and second, opposite, molded side pieces comprises foamed polyurethane molded to an as-molded density of no greater than 0.24 g/cc. 5. An air filter cartridge according to claim 1 wherein: (a) each one of the first and second end pieces is molded to a hardness, Shore A, within the range of 12 to 20. 6. An air filter cartridge according to claim 1 including: (a) a housing seal arrangement including a perimeter seal. 7. An air filter cartridge according to claim 6 wherein: (a) the perimeter seal is an axial pinch seal. 8. An air filter cartridge according to claim 7 wherein: (a) the perimeter housing seal arrangement is an intermediate seal positioned between, and spaced from, the open flow faces of the stack of strips of filter media. 9. An air filter cartridge according to claim 6 wherein: (a) the housing seal arrangement is a slanted seal arrangement extending at an acute slant angle, to an axial direction between the opposite flow faces, within the range of 30° to 80° inclusive. 10. An air filter cartridge according to claim 6 wherein: (a) the perimeter seal comprises an axial pinch seal. 11. An air filter cartridge according to claim 10 wherein: (a) the stack of strips comprises individual strips stepped from one another to form an inlet flow face that is not perpendicular to a direction of air flow through the stack and an outlet flow face that is not perpendicular to a direction of air flow through the stack. 12. An air filter cartridge according to claim 1 wherein: (a) the stack of strips of media is a blocked stack. 13. An air filter cartridge according to claim 1 wherein: (a) the stack of strips comprises individual strips stepped from one another to form an inlet flow face that is not perpendicular to a direction of air flow through the stack and an outlet flow face that is not perpendicular to a direction of air flow through the stack. 14. An air filter cartridge according to claim 13 wherein: (a) the stack of strips comprises a slanted stack having a parallelogram shape with an acute slant angle. 15. An air filter cartridge according to claim 14 wherein: (a) the acute slant angle is within the range of 30°-70°, inclusive. 16. An air filter cartridge according to claim 14 wherein: (a) the stack of strips has an acute slant angle within the range of 50°-70°, inclusive. 17. An air filter cartridge comprising: (a) a stack of strips of filter media; (i) each strip of filter media comprising a sheet of corrugated media secured to a facing sheet; (A) each strip of filter media having front and rear edges and side edges extending therebetween;(B) the stack of strips defining opposite inlet and outlet flow faces with a set of inlet flutes and a set of outlet flutes extending therebetween; and,(C) the stack of strips having first and second, opposite, side faces extending between the inlet and outlet flow faces; and,(b) first and second opposite molded side pieces; (i) the first molded side piece having a first side edge of each strip of filter media in the stack of strips embedded therein, during molding of the first molded side piece, to seal the first side edge of each strip of filter media; and(ii) the second molded side piece having a second side edge of each strip of media in the stack of strips embedded therein, during molding of the second molded side piece, to seal the second side edge of each strip of filter media;(c) the stack of strips comprising individual strips stepped from one another to form an inlet flow face that is not perpendicular to a direction of air flow through the stack and an outlet flow face that is not perpendicular to a direction of air flow through the stack. 18. An air filter cartridge according to claim 17 wherein: (a) the stack of strips comprises a slanted stack having a parallelogram shape with an acute slant angle. 19. An air filter cartridge according to claim 18 wherein: (a) the acute slant angle is within the range of 30°-70°, inclusive. 20. An air filter cartridge according to claim 18 wherein: (a) the stack of strips has an acute slant angle within the range of 50°-70°, inclusive. 21. An air cleaner assembly comprising: (a) a housing comprising first and second, separable, housing sections defining a housing interior; and,(b) an air filter cartridge positioned within the housing interior and comprising: (i) a stack of strips of filter media; each strip of filter media comprising a sheet of corrugated media secured to facing media; (A) each strip of filter media having front and rear edges and side edges extending therebetween;(B) the stack of strips defining opposite inlet and outlet flow faces with a set of inlet flutes and a set of outlet flutes extending therebetween;(C) the stack of strips having first and second, opposite, side faces extending between the inlet and outlet flow faces; and(ii) first and second opposite, separately molded, side pieces; (A) the first molded side piece having a first side edge of each strip of filter media in the stack of strips embedded therein, during molding of the first molded side piece, to seal the first side edge of each strip of filter media; and,(B) the second molded side piece having a second side edge of each strip of media in the stack of strips embedded therein, during molding of the second molded side piece, to seal the second side edge of each strip of filter media; and,(iii) a housing seal arrangement including a perimeter seal extending around the stack of strips and the first and second, opposite, molded side pieces; (A) the perimeter seal comprising an axial pinch seal;(B) the air filter cartridge being positioned with the seal arrangement pinched between the first and second housing sections; and,(C) the housing seal arrangement having sections extending across the first and second molded side pieces at an acute slant angle, to an axial direction between the inlet and outlet flow faces. 22. An air cleaner assembly according to claim 21 wherein: (a) the perimeter housing seal arrangement is an intermediate seal positioned between, and spaced from, the flow faces of the air filter cartridge. 23. An air cleaner assembly according to claim 21 wherein: (a) an air flow inlet aperture is positioned in the first housing section and in the upper face of the housing; and,(b) the air filter cartridge has a slanted inlet face positioned within the housing interior with the slanted inlet face directed upwardly towards the inlet aperture. 24. An air cleaner assembly according to claim 21 wherein: (a) the inlet flow face and the outlet flow face are not perpendicular to a direction of air flow through the stack of strips of filter media.
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