Air filter cartridges; air cleaner assemblies; housings; features; components; and, methods
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01D-046/00
B01D-046/52
B01D-046/10
출원번호
US-0137089
(2016-04-25)
등록번호
US-10046260
(2018-08-14)
발명자
/ 주소
Campbell, Steven K.
Gieseke, Steven
출원인 / 주소
Donaldson Company, Inc.
대리인 / 주소
Merchant & Gould P.C.
인용정보
피인용 횟수 :
0인용 특허 :
191
초록▼
According to the present disclosure, features, components and techniques useable for providing air cleaner arrangements are provided. Many of the features relate to an axial seal arrangement provided on a filter cartridge. A typical filter cartridge, for use with these features, is a filter cartridg
According to the present disclosure, features, components and techniques useable for providing air cleaner arrangements are provided. Many of the features relate to an axial seal arrangement provided on a filter cartridge. A typical filter cartridge, for use with these features, is a filter cartridge having opposite flow ends. Example media arrangements that fit this characterization are described. Seal arrangements provided with an axial housing sealing engagement surface are shown. A seal arrangement is provided with variations therein, to advantage. These variations can be in either or both of an outer peripheral edge surface and a housing seal engagement surface. Also, air cleaner assemblies having advantageous features therein are provided. Further, air cleaner housings are described, with selected, preferred features for engagement with filter cartridges.
대표청구항▼
1. A filter cartridge comprising: (a) a filter media pack comprising first and second, opposite, flow ends, with media extending therebetween;(b) a pinch seal arrangement having first and second, opposite, pinch seal housing engagement surfaces; (i) a second one of the first and second, opposite, pi
1. A filter cartridge comprising: (a) a filter media pack comprising first and second, opposite, flow ends, with media extending therebetween;(b) a pinch seal arrangement having first and second, opposite, pinch seal housing engagement surfaces; (i) a second one of the first and second, opposite, pinch seal housing engagement surfaces being a contoured seal surface with at least one housing engagement projection/recess member therein; and,(ii) the housing engagement projection/recess member comprising a projection arrangement positioned on a portion of the pinch seal arrangement and comprising at least a first step section having: a flat surface extending, without axial contouring in that first step section, over a peripheral distance of at least 20 mm; and, a contour of at least 2 mm from an adjacent portion of the pinch seal arrangement;(c) a preformed shell surrounding the media and extending over at least a portion of an axial length of the media; (i) the preformed shell including a pinch seal support; and,(ii) a portion of the pinch seal arrangement being molded-in-place on the pinch seal support; and,(d) the second pinch seal housing engagement surface being positioned on a portion of the pinch seal arrangement spaced from the media by a receiver space that extends completely, peripherally, around the media. 2. A filter cartridge according to claim 1 wherein: (a) the first step section has a flat surface extending, without contouring in that first step section, over a peripheral length of at least 30 mm. 3. A filter cartridge according to claim 1 wherein: (a) the projection arrangement includes a second step section, spaced peripherally from the first step section, and having: a flat surface extending, without axial contouring in that second step section, over a distance of at least 20 mm; and, a contour of at least 2 mm from an adjacent portion of the pinch seal arrangement. 4. A filter cartridge according to claim 3 wherein: (a) the second step section has a flat surface extending, without contouring in that second step section, over a peripheral length of at least 30 mm. 5. A filter cartridge according to claim 3 wherein: (a) the second pinch seal housing engagement surface is a contoured surface that has 180° symmetry in extension around a central axis. 6. A filter cartridge according to claim 1 wherein: (a) the first flow end is an inlet flow end;(b) the second flow end is an outlet flow end; and,(c) the second pinch seal housing engagement surface faces toward the outlet flow end and away from the inlet flow end. 7. A filter cartridge according to claim 1 including: (a) a handle member including a central handle bridge positioned at the first flow end of the cartridge. 8. A filter cartridge according to claim 7 wherein: (a) the handle member is secured to a remainder of the cartridge by a molded-in-place member that includes the pinch seal arrangement. 9. A filter cartridge according to claim 1 including: (a) the preformed shell surrounding the media extends over at least 80% of an axial length of the media. 10. A filter cartridge according to claim 9 wherein: (a) the preformed shell includes an end grid adjacent, and in at least partial extension across, the second flow end. 11. A filter cartridge according to claim 1 wherein: (a) the media has a non-circular outer periphery. 12. A filter cartridge according to claim 11 wherein: (a) the media has a non-circular outer periphery with a cross-section having a ratio of a long dimension to a short dimension within the range of 1.3:1 to 5:1, inclusive. 13. A filter cartridge according to claim 1 wherein: (a) the pinch seal arrangement includes an outer peripheral perimeter edge surface having at least one recess that is at least 1 mm deep, in a direction toward the media. 14. A filter cartridge according to claim 13 wherein: (a) an outer peripheral edge surface of the seal arrangement has a plurality of recesses, each at least 1 mm deep in a direction toward the media. 15. A filter cartridge according to claim 1 wherein: (a) the second pinch seal housing engagement surface includes first and second step transition regions; (i) the flat surface of the first step section extending between the first and second step transition regions;(ii) each step transition region extending at an angle within the range of 15° to 75°, inclusive, relative to a plane perpendicular to a direction between the flow ends. 16. A filter cartridge according to claim 15 wherein: (a) the second pinch seal housing engagement surface includes first and second step transition regions; (ii) each step transition region extending at an angle within the range of 30° to 60°, inclusive, relative to a plan perpendicular to a direction between the flow ends. 17. A filter cartridge according to claim 15 wherein: (a) a radius of curvature where each transition section engages a non-contoured portion of the adjacent axial seal surface is within the range of 2-10 mm, inclusive. 18. A filter cartridge according to claim 1 wherein: (a) the media comprises fluted media secured to facing media. 19. A filter cartridge according to claim 18 wherein: (a) the media comprises a coiled arrangement of fluted media secured to facing media. 20. An air cleaner assembly comprising: (a) a housing having a first housing section and a second housing section; and,(b) a filter cartridge according to claim 1 positioned within the housing with the second pinch seal housing engagement surface biased against one housing section by the other housing section. 21. A filter cartridge according to claim 19 wherein the media is a circular coiled arrangement. 22. A filter cartridge according to claim 1 wherein the media is a circular arrangement.
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