IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0065753
(2005-02-25)
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발명자
/ 주소 |
|
출원인 / 주소 |
- Honeywell International Inc.
|
인용정보 |
피인용 횟수 :
5 인용 특허 :
14 |
초록
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A deep format filter element has a peripheral frame with outwardly protruding mounting flanges. The mounting flanges simulate the periphery of a shallow format filter element to allow the deep format filter element to replace the shallow format filter element in many situations. The frame design all
A deep format filter element has a peripheral frame with outwardly protruding mounting flanges. The mounting flanges simulate the periphery of a shallow format filter element to allow the deep format filter element to replace the shallow format filter element in many situations. The frame design allows the entire frame to be formed of cardboard and still provide adequate rigidity and strength. The frame includes at least a first cardboard sheet forming individual sides of the frame and panels of the mounting flange. The first cardboard sheet includes for each mounting flange at least two inside folds defining edges of the mounting flange's end panel and first and second side panels. An outside fold defines the second side panel of the mounting flange.
대표청구항
▼
I claim: 1. A filter assembly, comprising: a filter medium having first and second opposite faces, through which air to be filtered can pass, and a number of side faces that extend between the first and second opposite faces; and a frame extending along one or more of the side faces to provide supp
I claim: 1. A filter assembly, comprising: a filter medium having first and second opposite faces, through which air to be filtered can pass, and a number of side faces that extend between the first and second opposite faces; and a frame extending along one or more of the side faces to provide support to the filter medium, the frame including a portion that extends down along at least part of the first opposing face, the frame including a flange that extends in a direction laterally away from the filter medium and around at least a portion of the perimeter of the first opposing face, the flange having at least two inside folds that define at least part of an air filled cavity; wherein the flange is formed from a single sheet. 2. The filter assembly of claim 1 wherein the frame includes a portion that extends down along at least part of the second opposing face. 3. The filter assembly of claim 1 wherein the flange includes a portion that extends down along and adjacent to at least part of the first opposing face. 4. The filter assembly of claim 1 wherein the flange includes a portion that extends down along and adjacent to at least part of the first opposing face, wherein the portion of the frame that extends down along at least part of the first opposing face is secured relative to the portion of the flange that extends down along and adjacent to at least part of the first opposing face. 5. The filter assembly of claim 4 wherein the frame includes a portion that extends down along at least part of the second opposing face. 6. The filter assembly of claim 1 wherein the frame includes: a first cardboard sheet that extends along at least a substantial length of one or more of the side faces; and a second cardboard sheet that extends along at least a substantial length of one or more of the side faces, the first cardboard sheet secured to the second cardboard sheet. 7. The filter assembly of claim 6, wherein the first cardboard sheet and the second cardboard sheet overlap one another over at least a majority length of one or more of the side faces to provide additional support to the filter medium. 8. The filter assembly of claim 6 wherein the first cardboard sheet extends down and along at least part of the first opposing face. 9. The filter assembly of claim 8 wherein the second cardboard sheet extends down and along at least part of the second opposing face. 10. The filter assembly of claim 9 wherein the second cardboard sheet also extends down and along at least part of the first opposing face. 11. The filter assembly of claim 10 wherein the first cardboard sheet also extends down and along at least part of the second opposing face. 12. The filter assembly of claim 6 wherein the flange is part of the first cardboard sheet. 13. The filter assembly of claim 6 wherein the flange is part of the second cardboard sheet. 14. A filter assembly, comprising: a filter medium having first and second opposite faces, through which air to be filtered can pass, and a number of side faces that extend between the first and second opposite faces; a first cardboard sheet that extends along at least a substantial length of one or more of the side faces; and a second cardboard sheet that extends along at least a substantial length of said one or more side faces, the first cardboard sheet secured to the second cardboard sheet along at least part of said one or more side faces; and a flange that extends in a direction laterally away from the filter medium and around at least a portion of the perimeter of the first opposing face, the flange being formed from a single sheet and having at least two inside folds that define at least part of a cavity. 15. The filter assembly of claim 14, wherein the first cardboard sheet and the second cardboard sheet overlap one another over a major length of one or more of the side faces to provide additional support to the filter medium. 16. The filter assembly of claim 14 wherein the flange includes a portion that extends down along at least part of the first opposing face. 17. The filter assembly of claim 14 wherein the flange includes a portion that extends down along at least part of the second opposing face. 18. The filter assembly of claim 14 wherein the first cardboard sheet extends down and along at least part of the first opposing face. 19. The filter assembly of claim 18 wherein the second cardboard sheet extends down and along at least part of the second opposing face. 20. The filter assembly of claim 19 wherein the first cardboard sheet extends down and along at least part of the second opposing face. 21. The filter assembly of claim 20 wherein the second cardboard sheet extends down and along at least part of the first opposing face. 22. The filter assembly of claim 14 wherein the flange is part of the first cardboard sheet. 23. The filter assembly of claim 14 wherein the flange is part of the second cardboard sheet. 24. The filter assembly of claim 14, wherein the flange includes a portion that extends down along and adjacent to at least part of the first opposing face, and wherein the first cardboard sheet includes a portion that extends down along at least part of the first opposing face; and the portion of the flange that extends down along and adjacent to at least part of the first opposing face is secured to the portion of the first cardboard sheet that extends down along at least part of the first opposing face. 25. The filter assembly of claim 24 wherein the first cardboard sheet also extends down along at least part of the second opposing face. 26. The filter assembly of claim 14, wherein the flange includes a portion that extends down along and adjacent to at least part of the first opposing face, and wherein the second cardboard sheet includes a portion that extends down along at least part of the first opposing face; and the portion of the flange that extends down along and adjacent to at least part of the first opposing face is secured to the portion of the second cardboard sheet that extends down along at least part of the first opposing face. 27. A filter assembly, comprising: a filter medium having first and second opposite faces, through which air to be filtered can pass, and a number of side faces that extend between the first and second opposite faces; a first cardboard sheet that extends along at least a substantial length of one or more of the side faces, and down and along at least part of the first opposing face; and a second cardboard sheet that extends along at least a substantial length of said one or more side faces, and down and along at least part of the second opposing face, the first cardboard sheet secured to the second cardboard sheet; and a flange that extends in a direction laterally away from the filter medium and around at least a portion of the perimeter of the first opposing face, the flange having at least two inside folds that define at least part of a cavity. 28. A filter assembly, comprising: a filter medium having first and second opposite faces, through which air to be filtered can pass, and a number of side faces that extend between the first and second opposite faces; a first cardboard sheet that extends along at least a substantial length of one or more of the side faces; and a second cardboard sheet that extends along at least a substantial length of said one or more side faces, the first cardboard sheet secured to the second cardboard sheet; a flange that extends in a direction laterally away from the filter medium and around at least a portion of the perimeter of the first opposing face, the flange having at least two inside folds that define at least part of a cavity; wherein the flange includes a portion that extends down along and adjacent to at least part of the first opposing face, and wherein the first cardboard sheet includes a portion that extends down along at least part of the first opposing face; and the portion of the flange that extends down along and adjacent to at least part of the first opposing face is secured to the portion of the first cardboard sheet that extends down along at least part of the first opposing face. 29. A filter assembly, comprising: a filter medium having first and second opposite faces, through which air to be filtered can pass, and a number of side faces that extend between the first and second opposite faces; a first cardboard sheet that extends along at least a substantial length of one or more of the side faces; and a second cardboard sheet that extends along at least a substantial length of said one or more side faces, the first cardboard sheet secured to the second cardboard sheet; a flange that extends in a direction laterally away from the filter medium and around at least a portion of the perimeter of the first opposing face, the flange having at least two inside folds that define at least part of a cavity; wherein the flange includes a portion that extends down along and adjacent to at least part of the first opposing face, and wherein the second cardboard sheet includes a portion that extends down along at least part of the first opposing face; and the portion of the flange that extends down along and adjacent to at least part of the first opposing face is secured to the portion of the second cardboard sheet that extends down along at least part of the first opposing face. 30. The filter assembly of claim 6, wherein the first and second cardboard sheets extend along at least a substantial length of the same one or more side faces, forming a multi-layer support to the filter medium. 31. The filter assembly of claim 1, wherein the flange includes at least one pair of parallel, spaced apart sides. 32. The filter assembly of claim 14, wherein the flange extends in a direction away from at least one of the side faces of the filter medium.
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