Air filter arrangement; assembly; and, methods
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01D-046/52
F02M-035/024
B01D-046/00
출원번호
US-0563561
(2014-12-08)
등록번호
US-9795911
(2017-10-24)
발명자
/ 주소
Reichter, Gregory L.
Bishop, Wayne
Nelson, Benny K.
Wegner, Darrel
Crenshaw, Bruce
Kladnitsky, Vladimir
Miller, Thomas
Mork, Donald
Schrage, Kevin
Osendorf, Richard
Kuempel, Bradley
Lundgren, Thomas
출원인 / 주소
Donaldson Company, Inc.
대리인 / 주소
Merchant & Gould P.C.
인용정보
피인용 횟수 :
3인용 특허 :
163
초록▼
An air filter arrangement is disclosed. The air filter arrangement includes media comprising corrugated media secured to facing media and defining a media pack having opposite flow faces. Media pack arrangements including such media are described. Also described are filter cartridges including such
An air filter arrangement is disclosed. The air filter arrangement includes media comprising corrugated media secured to facing media and defining a media pack having opposite flow faces. Media pack arrangements including such media are described. Also described are filter cartridges including such media packs and air cleaners including the filter cartridges. Advantageous housing seal arrangements having a pinch seal member and forming a trough are described. Methods of assembly and use are also provided. Also, systems of use are described.
대표청구항▼
1. An air filter cartridge comprising: (a) a filter media pack comprising fluted media secured to facing media defining first and second, opposite, flow surfaces; and,(b) a housing seal arrangement; the housing seal arrangement being molded-in-place on a portion of the air filter cartridge and compr
1. An air filter cartridge comprising: (a) a filter media pack comprising fluted media secured to facing media defining first and second, opposite, flow surfaces; and,(b) a housing seal arrangement; the housing seal arrangement being molded-in-place on a portion of the air filter cartridge and comprising: (i) a pinch seal member configured to be pinched between seal flanges on a housing, when the air filter cartridge is installed for use; and,(ii) a trough provided between a portion of the pinch seal member and the filter media pack;(c) the housing seal arrangement comprising: a single, integrally molded, perimeter seal extension with an attachment portion having a portion molded onto the media pack and with the pinch seal member extending from the attachment portion at a location spaced from the media pack; and, a molded-in-place portion including an edge comprising at least first and second, spaced, projections extending in a direction generally corresponding to a flow direction between the first and second flow surfaces. 2. An air filter cartridge arrangement according to claim 1 wherein: (a) the filter media pack comprises a stack of strips of fluted media secured to facing media. 3. An air filter cartridge according to claim 1 wherein: (a) the filter media pack has a first set of two opposite sides;(b) a first side panel is positioned on a first side of the first set of the two opposite sides; and,(c) a second side panel is positioned on a second side of the first set of two opposite sides. 4. An air filter cartridge according to claim 1 wherein: (a) the first side panel is molded directly to the first side of the first set of two opposite sides; and,(b) the second side panel is molded directly to the second side of the first set of two opposite sides. 5. An air filter cartridge comprising: (a) a filter media pack: comprising a combination of fluted media and facing media defining first and second, opposite, flow surfaces; and, having an outer perimeter; and,(b) a housing seal arrangement extending around the outer perimeter of the filter media pack; the housing seal arrangement comprising: (i) a pinch seal member configured to be pinched between seal flanges on a housing, when the air filter cartridge is installed for use;(ii) an attachment portion extending from the pinch seal member toward the media pack; and,(iii) a trough provided between a portion of the pinch seal member and the filter media pack; the trough being adjacent the attachment portion;(iv) the pinch seal member and attachment portion being molded integral with one another; and,(c) a portion molded to the media pack that: comprises the same material as the pinch seal member and that includes an edge having at least first and second, spaced, projections thereon extending in a direction generally corresponding to a flow direction between the first and second flow surfaces. 6. An air filter cartridge according to claim 5 wherein: (a) the filter media pack comprises a stacked construction of individual strips of media each comprising a fluted sheet secured to a facing sheet. 7. An air filter cartridge according to claim 6 wherein: (a) the filter media pack has a first set of two opposite sides;(b) a first side panel is positioned on a first side of the first set of the two opposite sides; and,(c) a second side panel is positioned on a second side of the first set of two opposite sides. 8. An air filter cartridge according to claim 7 wherein: (a) the first side panel is molded directly to the first side of the first set of two opposite sides; and,(b) the second side panel is molded directly to the second side of the first set of two opposite sides. 9. An air filter cartridge comprising: (a) a filter media pack: comprising a combination of fluted media and facing media defining first and second, opposite, flow surfaces; and, having an outer perimeter; and,(b) a housing seal arrangement extending around the outer perimeter of the filter media pack; the housing seal arrangement comprising: (i) a pinch seal member configured to be pinched between seal flanges on a housing, when the air filter cartridge is installed for use;(ii) an attachment portion extending from the pinch seal member toward the media pack; and,(iii) a trough provided between a portion of the pinch seal member and the filter media pack; the trough being adjacent the attachment portion;(iv) the pinch seal member and attachment portion being molded integral with one another; and,(c) a portion molded to the filter cartridge that comprises foamed polyurethane and that includes a plurality of projections extending in a direction corresponding to a flow direction between the first and second flow surfaces. 10. An air filter cartridge according to claim 9 wherein: (a) the housing seal arrangement includes a molded portion: positioned on, and extending around, the cartridge; and, supporting the pinch seal member; the molded portion including the attachment portion extending around the media and having a shape that tapers downwardly in thickness, in a direction of extension away from the pinch seal member and toward a flow surface.
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