V-shaped filter and fixture

• US 8,764,870 B2
• Filed: 09/01/2011
• Issued: 07/01/2014
• Est. Priority Date: 09/16/2010
• Status: Active Grant

• Current Assignee: Cummins Filtration Incorporated (Cummins Incorporated)
• Original Assignee: Cummins Filtration Incorporated (Cummins Incorporated)
• Inventors: Antony, Budi, Holzmann, Mark V., Schwartz, Scott W.
• Primary Examiner(s): CLEMENTE, ROBERT ARTHUR
• Application Number:
  US13/223,387
• Publication Number:
  US 20120067013A1
• Time in Patent Office: 1,034 Days
• Field of Search: 553/57, 554/83, 554/84, 55D/IG.31
• US Class Current: 55/484
• CPC Class Codes: B01D 2265/06 Details of supporting structures for filtering material, e.g. cores
• CPC Class Codes: B01D 29/05 supported
• CPC Class Codes: B01D 46/0002 Casings; Housings; Frame constructions
• CPC Class Codes: B01D 46/121 V-type arrangements
• CPC Class Codes: B01D 46/4227 Manipulating filters or filter elements, e.g. handles or extracting tools
• CPC Class Codes: B01D 46/58 connected in parallel

Abstract

A V-shaped filter includes a pair of filter media panel elements having respective root ends and diverging therefrom to distal ends in a V-shape. A single unitarily molded fixture is provided, securing the pair of filter media panel elements in the V-shape.

Claims

1. A V-shaped filter for filtering fluid, comprising a pair of filter media panel elements having respective facing root ends and diverging therefrom to distal ends in a V-shape, a single unitarily molded fixture securing said pair of filter media panel elements in said V-shape,

wherein said fixture lies in a coordinate system having X, Y and Z axes orthogonal to each other, said fixture has a base portion at said distal ends of said filter media panel elements, said base portion lying in an X-Y plane and having a central opening passing fluid therethrough in the Z-direction, said fixture has a pair of endwall portions spaced from each other along the Y-direction, each said endwall portion extending in the Z-direction from said base portion, each said endwall portion lying in an X-Z plane, a first of said filter media panel elements lying in a first oblique plane oblique to each of the X-Y and Y-Z planes, a second of said filter media panel elements lying in a second oblique plane oblique to each of the X-Y and Y-Z planes, said first and second oblique planes intersecting at an intersection line extending in the Y-direction, said fixture has a first lattice-work portion through which fluid flows, said first lattice-work portion lying in said first oblique plane and extending from said base portion towards said intersection line, said fixture has a second lattice-work portion through which fluid flows, said second lattice-work portion lying in said second oblique plane and extending from said base portion towards said intersection line.

2. The V-shaped filter according to claim 1 wherein said fixture is a one-piece integral member.

3. The V-shaped filter according to claim 2 wherein said first and second lattice-work portions are spaced from each other by a gap having a width spanning along the X-direction, the gap width varying from a maximum at said base portion and narrowing to lesser widths as the gap extends away from said base portion.

4. The V-shaped filter according to claim 3 wherein said first and second lattice-work portions have respective inner faces facing each other across said gap, and have respective oppositely facing outer faces facing away from said gap, one of said inner and outer faces supporting a respective said filter media panel element.

5. The V-shaped filter according to claim 4 wherein said first and second endwall portions have outer edges extending beyond the respective filter media panel element to provide an outer profile encompassing said pair of filter media panel elements recessed inwardly of said outer edges, to protect said pair of filter media panel elements including during installation, removal, and cleaning thereof.

6. The V-shaped filter according to claim 4 wherein:

said first filter media panel element has a first border engaging said first endwall portion, and a second border engaging said second endwall portion;

said second filter media panel element has a first border engaging said first endwall portion, and a second border engaging said second endwall portion;

said first endwall portion has a first section at said first border of said first filter media panel element, a second section spanning said gap, and a third section at said first border of said second filter media panel element;

said second endwall portion has a first section at said second border of said first filter media panel element, a second section spanning said gap, and a third section at said second border of said second filter media panel element.

7. The V-shaped filter according to claim 6 wherein:

said fixture has;

a first adhesive engagement surface extending along said first section of said first endwall portion;

a second adhesive engagement surface extending along said first section of said second endwall portion;

a third adhesive engagement surface extending along said third section of said first endwall portion;

a fourth adhesive engagement surface extending along said third section of said second endwall portion.

8. The V-shaped filter according to claim 6 wherein:

said first section of said first endwall portion has a rhomboid shape;

said second section of said first endwall portion has a triangular shape;

said third section of said first endwall portion has a rhomboid shape;

said first section of said second endwall portion has a rhomboid shape;

said second section of said second endwall portion has a triangular shape;

said third section of said second endwall portion has a rhomboid shape.

9. The V-shaped filter according to claim 8 wherein:

said first endwall portion, including said first, second, and third sections thereof in combination, has a trapezoidal shape with exactly one pair of parallel sides;

said second endwall portion, including said first, second, and third sections thereof in combination, has a trapezoidal shape with exactly one pair of parallel sides.

10. The V-shaped filter according to claim 9 wherein:

said first endwall portion, including said first, second, and third sections thereof in combination, has a frusto-triangular shape;

said second endwall portion, including said first, second, and third sections thereof in combination, has a frusto-triangular shape.

11. The V-shaped filter according to claim 6 wherein each of said pair of filter media panel elements comprises a pleated filter media element having pleats spaced from each other along the Y-direction and having pleat ends at said base portion.

12. The V-shaped filter according to claim 11 wherein said pleat ends are alternately sealed to each other.

13. The V-shaped filter according to claim 11 wherein said pleat ends are continuously sealed.

14. The V-shaped filter according to claim 4 wherein each of said pair of filter media panel elements comprises a pleated filter media element having pleats spaced from each other along the Z-direction.

15. The V-shaped filter according to claim 2 wherein each of said pair of filter media panel elements comprises filter media selected from the group consisting of pleated media, nonpleated media, fibrous media, woven media, nonwoven media, mesh, foam, melt blown depth media.

16. The V-shaped filter according to claim 3 wherein:

said first endwall portion has a first handle extending outwardly therefrom oppositely from said gap;

said second endwall portion has a second handle extending outwardly therefrom oppositely from said gap.

17. The V-shaped filter according to claim 16 wherein:

said first handle extends from said first endwall portion in a first Y-direction;

said second handle extends from said second endwall portion in a second opposite Y-direction.

18. The V-shaped filter according to claim 2 wherein:

said fixture and said pair of filter media panel elements are housed in a housing having a service door;

at least one of said base portion of said fixture, said housing, and said service door has one or more ramped interface surfaces forcing pressed sealing engagement of said fixture in said housing.

19. The V-shaped filter according to claim 18 wherein:

said base portion of said fixture and said service door have said ramped interface surfaces;

said base portion of said fixture and said housing have respective sealing surfaces engaging each other in sealing relation.

20. The V-shaped filter according to claim 19 wherein said ramped interface surface on said base portion of said fixture is separate from and spaced from said sealing surface on said base portion of said fixture.

21. The V-shaped filter according to claim 20 wherein said ramped interface surface on said base portion of said fixture is spaced from said sealing surface on said base portion of said fixture along the Z-direction.

22. The V-shaped filter according to claim 21 wherein:

said service door comprises at least one fork tine extending therefrom and having a designated said ramped interface surface thereon facing in a first Z-direction toward said base portion of said fixture, said fork tine having a distally opposite stop surface facing in a second opposite Z-direction;

said housing has a shoulder surface facing in said first Z-direction towards and engaging said stop surface on said fork tine;

said ramped interface surface on said base portion of said fixture faces in said second Z-direction and is engaged by said designated ramped interface surface on said fork tine.

23. The V-shaped filter according to claim 22 wherein said shoulder surface applies sealing force along the Z-direction through said fork tine and said base portion of said fixture to said sealing surfaces.

24. The V-shaped filter according to claim 1 wherein said fluid is air.

25. A fixture for a V-shaped filter for filtering fluid, said V-shaped filter having a pair of filter media panel elements having respective facing root ends and diverging therefrom to distal ends in a V-shape, said fixture being a unitarily molded fixture securing said pair of filter media panel elements in said V-shape,

wherein said fixture lies in a coordinate system having X, Y and Z axes orthogonal to each other, said fixture has a base portion at said distal ends of said filter media panel elements, said base portion lying in an X-Y plane and having a central opening passing fluid therethrough in the Z-direction, said fixture has a pair of endwall portions spaced from each other along the Y-direction, each said endwall portion extending in the Z-direction from said base portion, each said endwall portion lying in an X-Z plane, a first of said filter media panel elements lying in a first oblique plane oblique to each of the X-Y and Y-Z planes, a second of said filter media panel elements lying in a second oblique plane oblique to each of the X-Y and Y-Z planes, said first and second oblique planes intersecting at an intersection line extending in the Y-direction, said fixture has a first lattice-work portion through which fluid flows, said first lattice-work portion lying in said first oblique plane and extending from said base portion towards said intersection line, said fixture has a second lattice-work portion through which fluid flows, said second lattice-work portion lying in said second oblique plane and extending from said base portion towards said intersection line.

26. The fixture according to claim 25 wherein said fixture is a one-piece integral member.

27. The fixture according to claim 26 wherein said first and second lattice-work portions are spaced from each other by a gap having a width spanning along the X-direction, the gap width varying from a maximum at said base portion and narrowing to lesser widths as the gap extends away from said base portion.

28. The fixture according to claim 27 wherein said first and second lattice-work portions have respective inner faces facing each other across said gap, and have respective oppositely facing outer faces facing away from said gap, one of said inner and outer faces supporting a respective said filter media panel element.

29. The fixture according to claim 28 wherein said first and second endwall portions have outer edges extending beyond the respective filter media panel element to provide an outer profile encompassing said pair of filter media panel elements recessed inwardly of said outer edges, to protect said pair of filter media panel elements including during installation, removal, and cleaning thereof.

30. The fixture according to claim 27 wherein:

said first filter media panel element has a first border engaging said first endwall portion, and a second border engaging said second endwall portion;

said second filter media panel element has a first border engaging said first endwall portion, and a second border engaging said second endwall portion;

said first endwall portion has a first section at said first border of said first filter media panel element, a second section spanning said gap, and a third section at said first border of said second filter media panel element;

said second endwall portion has a first section at said second border of said first filter media panel element, a second section spanning said gap, and a third section at said second border of said second filter media panel element.

31. The fixture according to claim 30 wherein:

said fixture has;

a first adhesive engagement surface extending along said first section of said first endwall portion;

a second adhesive engagement surface extending along said first section of said second endwall portion;

a third adhesive engagement surface extending along said third section of said first endwall portion;

a fourth adhesive engagement surface extending along said third section of said second endwall portion.

32. The fixture according to claim 30 wherein:

said first section of said first endwall portion has a rhomboid shape;

said second section of said first endwall portion has a triangular shape;

said third section of said first endwall portion has a rhomboid shape;

said first section of said second endwall portion has a rhomboid shape;

said second section of said second endwall portion has a triangular shape;

said third section of said second endwall portion has a rhomboid shape.

33. The fixture according to claim 32 wherein:

said first endwall portion, including said first, second, and third sections thereof in combination, has a trapezoidal shape with exactly one pair of parallel sides;

said second endwall portion, including said first, second, and third sections thereof in combination, has a trapezoidal shape with exactly one pair of parallel sides.

34. The fixture according to claim 33 wherein:

said first endwall portion, including said first, second, and third sections thereof in combination, has a frusto-triangular shape;

said second endwall portion, including said first, second, and third sections thereof in combination, has a frusto-triangular shape.

35. The fixture according to claim 27 wherein:

said first endwall portion has a first handle extending outwardly therefrom oppositely from said gap;

said second endwall portion has a second handle extending outwardly therefrom oppositely from said gap.

36. The fixture according to claim 35 wherein:

said first handle extends from said first endwall portion in a first Y-direction;

said second handle extends from said second endwall portion in a second opposite Y-direction.

37. The fixture according to claim 26 wherein said base portion of said fixture has ramped interface surfaces.

38. The fixture according to claim 37 wherein said housing has a sealing surface extending along the X-Y plane and spaced from said ramped interfaces surfaces on said base portion of said fixture along the Z-direction, whereby said ramped interface surfaces may apply sealing pressure along the Z-direction.