[특허]Filter element having sealing members and methods

[미국특허] Filter element having sealing members and methods 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01D-046/00 B01D-029/07
출원번호	US-0180235 (2011-07-11)
등록번호	US-8246707 (2012-08-21)
발명자 / 주소	Xu, Jian Kuhn, John David Kreitinger, Edward J. Bishop, Wayne R. W. Gieseke, Steven Scott
출원인 / 주소	Donaldson Company, Inc.
대리인 / 주소	Merchant & Gould, P.C.
인용정보	피인용 횟수 : 6 인용 특허 : 85

초록 ▼

A filter arrangement includes a media construction comprising a corrugated sheet secured to a flat sheet rolled into a coiled construction. A frame and a first seal member are provided. The frame secures the first seal member to the coiled construction. The first seal member is preferably oriented to form a radial seal with a housing. A second seal member is secured to the outer annular surface of the coiled construction. The second seal member includes a gasket extension having first and second opposite ends; an attachment portion; and a protrusion extending from the attachment portion. The second seal member is preferably oriented to form an axial seal with a housing. Air cleaners preferably utilizing filter arrangements as described herein operably installed within housings. Methods of installing, filtering, assembling, and servicing preferably include arrangements as described herein.

대표청구항 ▼

1. A filter arrangement comprising: (a) a media construction comprising alternating layers of fluted sheet and flat sheet; the media construction having a plurality of flutes, an inlet face, an outlet face, and an outer surface; (i) the plurality of flutes comprise inlet flutes and outlet flutes wherein unfiltered air enters the media construction through the inlet flutes, and filtered air exits the media construction through the outlet flutes, so that the unfiltered air passes through the fluted sheet or the flat sheet;(b) a seal member secured to the outer surface of said media construction; (i) the seal member including a protrusion provided spaced from both the inlet face and the outlet face of the media construction; and(ii) the protrusion having an attachment surface that provides secure attachment to the outer surface of the media construction, a land parallel to the attachment surface, and an incline extending from the land toward the outlet face of the media construction and not extending to the attachment surface. 2. A filter arrangement according to claim 1 where: (a) the attachment surface is secured to said outer surface of the media construction with adhesive. 3. A filter arrangement according to claim 1 wherein: (a) the media construction comprises a coiled construction of the fluted sheet and flat sheet. 4. A filter arrangement according to claim 3 further comprising: (a) a core construction within said coiled construction. 5. A filter arrangement according to claim 4 wherein: (a) the core construction has a first end;(i) said core construction first end including a pair of deflectable flanges;(ii) said coiled construction being formed by rolling the media construction around the core construction; and(iii) the core construction being releasably secured to a frame; (A) said frame including a central hub; and(B) said pair of deflectable flanges engaging said central hub. 6. A filter arrangement according to claim 1 wherein: (a) the land has a length of at least 0.1 inch. 7. A filter arrangement according to claim 1 wherein: (a) the land has a length of 0.2 inch to 0.3 inch. 8. A filter arrangement according to claim 1 wherein: (a) the incline extends at an angle to the land of at least 45 degrees. 9. A filter arrangement according to claim 1 wherein: (a) the incline extends at an angle to the land of 55 degrees to 65 degrees. 10. A filter arrangement according to claim 1 wherein: (a) the protrusion includes first and second inclines. 11. A filter arrangement according to claim 1 wherein: (a) the protrusion has a cross-sectional shape of a trapezoid. 12. An air cleaner comprising: (a) a housing having a body member and a removable cover, an inlet, and an outlet; and(b) a filter arrangement operatively mounted within the housing; the filter arrangement comprising (i) a media construction comprising alternating layers of fluted sheet and flat sheet; the media construction having a plurality of flutes, an inlet face, an outlet face, and an outer surface; the plurality of flutes comprise inlet flutes and outlet flutes wherein unfiltered air enters the media construction through the inlet flutes, and filtered air exits the media construction through the outlet flutes, so that the unfiltered air passes through the fluted sheet or the flat sheet;(ii) a seal member secured to the outer surface of said media construction; the seal member including a protrusion provided spaced from both the inlet face and the outlet face of the media construction; and the protrusion having an attachment surface that provides secure attachment to the outer surface of the media construction, a land parallel to the attachment surface, and an incline extending from the land toward the outlet face of the media construction and not extending to the attachment surface. 13. A filter arrangement comprising: (a) a media construction comprising alternating layers of fluted sheet and flat sheet; the media construction having a plurality of flutes, an inlet face, an outlet face, and an outer surface; (i) the plurality of flutes comprise inlet flutes and outlet flutes wherein unfiltered air enters the media construction through the inlet flutes, and filtered air exits the media construction through the outlet flutes, so that the unfiltered air passes through the fluted sheet or the flat sheet;(b) a seal member secured to the outer surface of said media construction; (i) the seal member spaced from both the inlet face and the outlet face of the media construction, and forming a radial seal when inserted into a housing. 14. A filter arrangement according to claim 13 where: (a) the protrusion is secured to said outer surface of the media construction with adhesive. 15. A filter arrangement according to claim 13 wherein: (a) the media construction comprises a coiled construction of the fluted sheet and flat sheet. 16. A filter arrangement according to claim 15 further comprising: (a) a core construction within said coiled construction. 17. A filter arrangement according to claim 16 wherein: (a) the core construction has a first end; (i) said core construction first end including a pair of deflectable flanges;(ii) said coiled construction being formed by rolling the media construction around the core construction; and(iii) the core construction being releasably secured to a frame; (A) said frame including a central hub; and(B) said pair of deflectable flanges engaging said central hub. 18. An air cleaner comprising: (a) a housing having a body member and a removable cover, an inlet, and an outlet; and(b) a filter arrangement operatively mounted within the housing; the filter arrangement comprising: (i) a media construction comprising alternating layers of fluted sheet and flat sheet; the media construction having a plurality of flutes, an inlet face, an outlet face, and an outer surface; the plurality of flutes comprise inlet flutes and outlet flutes wherein unfiltered air enters the media construction through the inlet flutes, and filtered air exits the media construction through the outlet flutes, so that the unfiltered air passes through the fluted sheet or the flat sheet; and(ii) a seal member secured to the outer surface of said media construction at a location spaced from the inlet face and the outlet face of the media construction; the seal member forming a radial seal with the housing.

이 특허에 인용된 특허 (85) 인용/피인용 타임라인 분석

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[미국특허] Filter element having sealing members and methods 원문보기

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[미국특허] Filter element having sealing members and methods 원문보기

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