Air filter arrangement; assembly; and, methods
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01D-046/00
F02M-035/024
B01D-046/10
B01D-046/52
출원번호
US-0492315
(2014-09-22)
등록번호
US-9399972
(2016-07-26)
발명자
/ 주소
Boehrs, Bruce
Wendt, Paul
출원인 / 주소
Donaldson Company, Inc.
대리인 / 주소
Merchant & Gould P.C.
인용정보
피인용 횟수 :
4인용 특허 :
183
초록▼
An air filter media construction or arrangement is disclosed. The air filter media construction or arrangement includes facing media secured to fluted media. A preferred projection/receiver arrangement is described. Also, a useful seal arrangement is described. Air cleaner assemblies, methods of ass
An air filter media construction or arrangement is disclosed. The air filter media construction or arrangement includes facing media secured to fluted media. A preferred projection/receiver arrangement is described. Also, a useful seal arrangement is described. Air cleaner assemblies, methods of assembly and use are also provided.
대표청구항▼
1. An air filter cartridge comprising: (a) a media pack comprising filter media including fluted media secured to facing media and configured to define opposite flow faces; (i) the media pack having a non-circular cross-section, perpendicular to a flow direction between the flow faces, with a first
1. An air filter cartridge comprising: (a) a media pack comprising filter media including fluted media secured to facing media and configured to define opposite flow faces; (i) the media pack having a non-circular cross-section, perpendicular to a flow direction between the flow faces, with a first longer dimension thereacross and a second shorter dimension thereacross perpendicular to the first longer dimension;(ii) the media pack being configured so that air cannot pass into one flow face and out of the other flow face without filtering flow through the filter media; and,(b) a housing seal arrangement; the housing seal arrangement including: (i) a first portion extending around a perimeter of the filter media; and,(ii) a seal member comprising a flexible lip member that also extends around the perimeter of the filter media and is positioned to flex toward the first portion of the housing seal arrangement when forming a seal against an air cleaner housing. 2. An air filter cartridge according to claim 1 wherein: (a) flexible lip member of the seal member is positioned to flex toward another portion of the seal member when the cartridge is installed in a housing. 3. An air filter cartridge according to claim 1 wherein: (a) the housing seal arrangement includes a preform extending around the filter media; the preform including a support having a flange projecting outwardly; and,(b) the seal member is positioned with the flexible lip member oriented to flex toward the flange, when the cartridge is installed in a housing. 4. An air filter cartridge according to claim 1 wherein: (a) the seal member is positioned on a support. 5. An air filter cartridge according to claim 1 wherein: (a) the housing seal member includes a central region and at least one flexible lip member positioned and configured to flex toward the central region when forming a seal against an air cleaner housing. 6. An air filter cartridge according to claim 1 wherein: (a) the seal member has first and second lip members that flex toward one another, when the cartridge is installed in a housing. 7. An air filter cartridge according to claim 1 wherein: (a) the media pack comprises a stack of strips of fluted sheet secured to facing sheet. 8. An air filter cartridge according to claim 7 wherein: (a) the media pack comprises filter media defining inlet and outlet flutes extending between opposite flow faces. 9. An air filter cartridge according to claim 1 wherein: (a) the media pack comprises filter media defining inlet and outlet flutes extending between opposite flow faces. 10. An air cleaner comprising: (a) a filter cartridge comprising: (i) a media pack comprising filter media including fluted media secured to facing media and configured to define opposite flow faces; (A) the media pack having a non-circular cross-section, perpendicular to a flow direction between the flow faces, with a first longer dimension thereacross and a second shorter dimension thereacross perpendicular to the first longer dimension; and,(B) the media pack being configured so that air cannot pass from into one flow face and out of the other flow face without filtering flow through the filter media; and,(i) a housing seal arrangement; the housing seal arrangement including: (A) a first portion extending around a perimeter of the filter media; and,(B) a seal member comprising a flexible lip member that also extends around the perimeter of the filter media and is positioned to flex toward the first portion of the housing seal arrangement when forming a seal against an air cleaner housing; and,(b) a housing having: an inlet, an outlet and an interior; (i) the filter cartridge being removably positioned in the housing interior with the flexible lip member sealed against a portion of the housing and flexed against a portion of the housing seal arrangement. 11. An air filter assembly according to claim 10 wherein: (a) flexible lip member of the seal member is positioned to flex toward another portion of the seal member when the cartridge is installed in the housing. 12. An air filter assembly according to claim 10 wherein: (a) the housing seal arrangement includes a preform extending around the filter media; the preform including a support having a flange projecting outwardly; and,(b) the seal member is positioned with the flexible lip member oriented to flex toward the flange, when the cartridge is installed in the housing. 13. An air filter assembly according to claim 10 wherein: (a) the media pack comprises filter media defining inlet and outlet flutes extending between opposite flow faces. 14. An air cleaner assembly comprising: (a) a housing defining an interior and comprising separable first and second housing sections; (i) the first section comprising an inlet section including an air flow inlet therein;(ii) the second section comprising an outlet section having an air flow outlet therein;(iii) the housing having a first housing cross-sectional dimension that is no more than 50% of a second cross-sectional dimension taken perpendicular to the first housing cross-sectional dimension;(b) a serviceable filter cartridge removably mounted within the housing interior; the serviceable filter cartridge comprising: (i) a media pack comprising filter media including fluted media secured to facing media and configured to define opposite flow faces; (A) the media pack being configured so that air cannot enter one face and exit the other flow face without filtering flow through the filter media;(ii) a housing seal member comprising a perimeter seal member extending around the media pack; the perimeter seal member being positioned between the first housing section and the second housing section;(iii) the media pack having a non-circular media pack cross-sectional shape in a plane perpendicular to the fluted media and the direction of flow through the media pack; the cross-sectional shape having a first cartridge cross-sectional dimension that is no more than 50% of a second cartridge cross-sectional dimension perpendicular to the first cartridge cross-sectional dimension; each of the first cartridge cross-sectional dimension and second cartridge cross-sectional dimension being taken in a plane perpendicular to the direction of flow through the media pack; and,(c) the first housing section having a portion that faces an inlet flow face of the media pack and which has a portion that slants toward the media pack in extension in a direction of the second housing cross-sectional dimension; (i) the air flow inlet being positioned off-set from a central plane through the media pack, which plane extends in a direction of flow through the media pack and perpendicular to the second cross-sectional dimension of the cartridge; and,(ii) the air flow inlet not being directed in a direction parallel to air flow through the media pack toward the air flow outlet. 15. An air cleaner assembly according to claim 14 wherein: (a) the air flow outlet in the second housing section is off-set toward a side of the housing from the central plane. 16. An air cleaner assembly according to claim 14 wherein: (a) the first section of the housing includes a first flange; and,(b) the second section of the housing includes a second flange;(c) the filter cartridge being positioned with the housing seal member positioned at a location between the first and second flanges. 17. An air cleaner assembly according to claim 14 wherein: (a) the housing seal arrangement includes: (i) a seal member comprising a flexible lip member that also extends around the perimeter of the filter media and is positioned to flex toward the first portion of the housing seal arrangement when forming a seal against an air cleaner housing. 18. An air filter cartridge for removable installation in an air cleaner housing; the air filter cartridge comprising: (a) a media pack comprising filter media including fluted media secured to facing media and configured to define opposite flow faces; (i) the media pack being configured so that air cannot pass into one face and out from the other flow face without filtering flow through the filter media; and,(b) a housing seal member non-removably positioned on the media pack;(c) the air filter cartridge including first and second opposite sides; (i) a first member of a projection/receiver arrangement non-removably positioned on the first side of the air filter cartridge spaced from the housing seal member and oriented for engagement with a second member of the projection/receiver arrangement positioned in the air cleaner housing, in use; the first member of a projection/receiver arrangement having opposite, diverging, sides. 19. An air filter cartridge according to claim 18 wherein: (a) the media pack comprises filter media defining inlet and outlet flutes extending between the opposite flow faces. 20. An air filter cartridge for removable installation in an air cleaner housing; the air filter cartridge comprising: (a) a media pack comprising a stack of strips of fluted media secured to facing media and configured to define opposite inlet and outlet flow faces; (i) the media pack being configured so that air cannot pass into one face and out from the other flow face without filtering flow through the filter media;(b) a housing seal arrangement including a housing seal member non-removably positioned in extension around the media pack; and,(c) the air filter cartridge including a first pair of first and second, opposite, sides and a second pair of first and second, opposite, sides; (i) a first member of a projection/receiver arrangement non-removably positioned on the first side of the first pair of first and second opposite sides of the air filter cartridge and oriented for engagement with a second member of the projection/receiver arrangement positioned in an air cleaner housing, in use; (A) the first member of a projection/receiver arrangement comprising a receiver having opposite, diverging, sides, in extension toward the outlet flow face; the opposite, diverging, sides of the receiver also diverging from one another in extension toward opposite ones of the second pair of sides to define a receiver space therebetween. 21. An air filter cartridge according to claim 20 wherein: (a) the housing seal arrangement includes: (i) a first portion extending around a perimeter of the filter media; and,(ii) a seal member comprising a flexible lip member that also extends around the perimeter of the filter media and is positioned to flex toward the first portion of the housing seal arrangement when forming a seal against an air cleaner housing.
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