Reverse V-cell or minipleat filter with pleat pack mechanically sealed

• US 8,852,308 B2
• Filed: 11/19/2012
• Issued: 10/07/2014
• Est. Priority Date: 11/19/2012
• Status: Expired due to Fees

• Current Assignee: BHA Altair LLC (Parker-Hannifin Corporation)
• Original Assignee: BHA Altair LLC (Parker-Hannifin Corporation)
• Inventors: Jarrier, Etienne Ren Pascal
• Primary Examiner(s): CLEMENTE, ROBERT ARTHUR
• Application Number:
  US13/680,302
• Publication Number:
  US 20140137524A1
• Time in Patent Office: 687 Days
• Field of Search: 554/82, 554/83, 554/84, 554/97, 555/21, 55D/IG.31
• US Class Current: 55/484
• CPC Class Codes: B01D 2265/028 Snap, latch or clip connecting means
• CPC Class Codes: B01D 46/0005 Mounting of filtering elements within casings, housings or frames B01D46/2422 takes precedence
• CPC Class Codes: B01D 46/0015 Throw-away type filters
• CPC Class Codes: B01D 46/121 V-type arrangements
• CPC Class Codes: B01D 46/521 using folded, pleated material
• CPC Class Codes: B01D 46/58 connected in parallel
• CPC Class Codes: Y10S 55/31 Filter frame
• CPC Class Codes: Y10T 29/49947 by applying separate fastener

Abstract

A filter arrangement for a system within which fluid is filtered and an associated method of providing the arrangement. A frame of the arrangement includes an outer periphery shape that is complementary to a shape for location of the filter arrangement therein and a plurality of filter pleat pack locations. At each filter pleat pack location the frame includes at least one portion having a saw-tooth contoured surface. A plurality of filter pleat packs each includes a plurality of pleats. Each filter pleat pack is removably located at a respective filter pleat pack location of the frame, with the pleats of the filter pleat pack mating against the saw-tooth contoured surface. A plurality of removable retainers that non-permanently hold the filter pleat packs. Each retainer has at least one saw-tooth contoured surface that mates against the pleats so that the pleats of the filter pleat pack are sandwiched.

Claims

1. A filter arrangement for a system within which fluid is filtered, the system has a portion with an aperture into which the filter arrangement is located for filtering fluid from a dirty side and to a clean side as the fluid flows through the filter arrangement, the filter arrangement including:

a frame including;

an outer periphery that has a shape that is complementary to a shape of the system aperture for location of the filter arrangement therein; and

a plurality of filter pleat pack locations, each filter pleat pack location being associated with an aperture through the frame for flow proceeding from the dirty side to the clean side, at each filter pleat pack location adjacent to each frame aperture the frame includes at least one portion having a saw-tooth contoured surface;

a plurality of filter pleat packs that each allows flow therethrough while stopping flow of particulate matter, each filter pleat pack including a plurality of pleats, each filter pleat pack being removably located at a respective filter pleat pack location of the frame, covering a respective frame aperture, with the pleats of the filter pleat pack mating against the respective saw-tooth contoured surface; and

a plurality of removable retainers that non-permanently hold the filter pleat packs against the frame, each retainer having at least one saw-tooth contoured surface that mates against the pleats of the filter pleat pack so that the pleats of the filter pleat pack are sandwiched between the retainer and the frame.

2. A filter arrangement as set forth in claim 1, wherein each retainer includes a retainer clip.

3. A filter arrangement as set forth in claim 2, wherein each retainer clip includes segments that extend adjacent to the respective frame aperture.

4. A filter arrangement as set forth in claim 3, wherein each retainer clip includes at least connector that can removably attach the retainer clip to the frame.

5. A filter arrangement as set forth in claim 1, wherein the plurality of filter pleat packs are disposable after use and the frame is reusable.

6. A filter arrangement as set forth in claim 1, wherein the least one portion of the frame having a saw-tooth contoured surface includes a portion having a saw-tooth contoured surface located adjacent to a top of the frame and a portion having a saw-tooth contoured surface located adjacent to a bottom of the frame.

7. A filter arrangement as set forth in claim 6, wherein the least one portion of each retainer having a saw-tooth contoured surface includes a portion having a saw-tooth contoured surface located adjacent to a top of the retainer and a portion having a saw-tooth contoured surface located adjacent to a bottom of the retainer.

8. A filter arrangement as set forth in claim 1, wherein the frame includes at least one V-shaped profile side edge surface at each pleat pack location, adjacent to a respective frame aperture.

9. A filter arrangement as set forth in claim 8, wherein the pleat pack includes at least one pleat mating against the V-shaped profile side edge surface.

10. A filter arrangement as set forth in claim 9, wherein the retainer includes at least one recessed V-shaped profiled surface extending from a top to a bottom of the retainer.

11. A filter arrangement as set forth in claim 10, wherein each V-shaped profile side edge surface each recessed V-shaped profiled surface sandwich the at least one pleat mating against the V-shaped profile side edge.

12. A method of providing a filter arrangement for a system within which fluid is filtered, the system has a portion with an aperture into which the filter arrangement is located for filtering fluid from a dirty side and to a clean side as the fluid flows through the filter arrangement, the method including:

providing a frame that has an outer periphery that has a shape that is complementary to a shape of the system aperture for location of the filter arrangement therein, and that has a plurality of filter pleat pack locations, with each filter pleat pack location being associated with an aperture through the frame for flow proceeding from the dirty side to the clean side, and at each filter pleat pack location adjacent to each frame aperture the frame includes at least one portion having a saw-tooth contoured surface;

providing a plurality of filter pleat packs that each allows flow therethrough while stopping flow of particulate matter, with each filter pleat pack including a plurality of pleats, each filter pleat pack being removably located at a respective filter pleat pack location of the frame, covering a respective frame aperture, and with the pleats of the filter pleat pack mating against the respective saw-tooth contoured surface; and

providing a plurality of removable retainers that non-permanently hold the filter pleat packs against the frame, each retainer having at least one saw-tooth contoured surface that mates against the pleats of the filter pleat pack so that the pleats of the filter pleat pack are sandwiched between the retainer and the frame.

13. A method as set forth in claim 12, wherein the step of providing a plurality of removable retainers includes providing each retainer with at least connector that can removably attach the retainer to the frame.

14. A method as set forth in claim 12, wherein the plurality of filter pleat packs are disposable after use and the frame is reusable.

15. A method as set forth in claim 12, wherein the step of providing a frame includes providing the frame with a saw-tooth contoured surface located adjacent to a top of the frame and a saw-tooth contoured surface located adjacent to a bottom of the frame.

16. A method as set forth in claim 12, wherein the step of providing a plurality of removable retainers includes providing each retainer with a saw-tooth contoured surface located adjacent to a top of the retainer and a saw-tooth contoured surface located adjacent to a bottom of the retainer.