Filter arrangement; sealing system; and methods

Patent metadata

Field	Value
Publication number	US-9707503-B2
Application number	US-201514806944-A
Country	US
Kind code	B2
Filing date	Jul 23, 2015
Priority date	Feb 26, 1999
Publication date	Jul 18, 2017
Grant date	Jul 18, 2017

Abstract

A filter pack includes a filter construction and a sealing system for sealing the construction within a duct or housing. The filter construction has first and second opposite flow faces and is configured for a straight-through flow. The sealing system includes a frame construction and a compressible seal member. The compressible seal member is molded around a portion of the frame construction. The compressible seal member is sufficiently compressible to form a radial seal between and against the frame construction and a surface of a housing when the filter pack is inserted within the housing.

First claim

We claim:

1. A filter element arrangement comprising:
(a) a filter media construction having first and second, opposite, ends; a first flow face at the first end; a second flow face at the second end; a plurality of flutes; each of said flutes having a first end adjacent to said first flow face and a second end adjacent to said second flow face; and
said media construction having a cross-section including a pair of curved ends joined by a pair of segments; and

(b) a sealing system including a frame construction and a seal member;
(i) the frame construction extending around a periphery of the media construction;
(ii) the seal member including pair of curved ends joined by a pair of segments and being positioned on the frame construction;
(iii) the seal member being oriented to form a releasable peripherally directed seal with a housing sealing surface, as a result of insertion of the filter element arrangement into sealing engagement with the housing sealing surface.

2. A filter element arrangement according to claim 1 wherein:
(a) the seal member is molded to the frame construction.

3. A filter element arrangement according to claim 1 wherein:
(a) the frame construction is secured to the periphery of the media construction by adhesive.

4. A filter element arrangement according to claim 1 wherein:
(a) the frame construction includes a brace in extension over one of the first and second flow faces.

5. A filter element arrangement according to claim 4 wherein:
(a) the brace is part of truss system between opposing segments of the frame construction.

6. A filter element arrangement according to claim 1 wherein:
(a) the frame construction includes a lip member secured to the media construction.

7. A filter element arrangement according to claim 6 wherein:
(a) said frame construction comprises glass reinforced plastic.

8. A filter element arrangement according to claim 1 wherein:
(a) the media construction includes a corrugated layer secured to a face sheet and rolled into a coiled construction.

9. A filter element arrangement according to claim 8 wherein:
(a) the corrugated layer and the face sheet are secured together with a sealant.

10. A filter element arrangement according to claim 1 wherein:
(a) the seal member comprises polyurethane.

11. A filter element arrangement according to claim 1 wherein:
(a) the seal member includes a sealing region having a cross-sectional configuration of a plurality of progressively larger steps.

12. A filter element arrangement according to claim 1 further including:
(a) a center core in the media construction.

13. A filter element arrangement according to claim 1 wherein:
(a) the media construction is provided as a coreless construction.

14. A filter element arrangement according to claim 1 wherein:
(a) said media construction has a racetrack-shaped profile.

15. An air cleaner comprising:
(a) a housing having an airflow inlet, an airflow outlet, and a sidewall having a sealing surface for forming a radially directed seal with a filter element;
(b) a removable and replaceable filter element oriented in said housing; said filter element including:
(i) a media construction having first and second, opposite, ends; a first flow face at the first end; a second flow face at the second end; a plurality of flutes; each of said flutes having a first end adjacent to said first flow face and a second end adjacent to said second flow face; and
said media construction having a cross-section including a pair of curved ends joined by a pair of segments; and
(ii) a sealing system including a frame construction and a seal member;
(A) the frame construction extending around a periphery of the media construction;
(B) the seal member including pair of curved ends joined by a pair of segments and being positioned on the frame construction;
(C) the seal member being oriented to form a releasable peripherally directed seal with the housing sealing surface, as a result of insertion of the filter element arrangement into sealing engagement with the housing sealing surface.

16. An air cleaner according to claim 15 wherein:
(a) the seal member is molded to the frame construction.

17. An air cleaner according to claim 15 wherein:
(a) the frame construction is secured to the periphery of the media construction by adhesive.

18. An air cleaner according to claim 15 wherein:
(a) the frame construction includes a brace in extension over one of the first and second flow faces.

19. An air cleaner according to claim 18 wherein:
(a) the brace is part of truss system between opposing segments of the frame construction.

20. An air cleaner according to claim 15 wherein:
(a) the frame construction includes a lip member secured to the media construction.

21. An air cleaner according to claim 15 wherein:
(a) said frame construction comprises glass reinforced plastic.

22. An air cleaner according to claim 15 wherein:
(a) the media construction includes a corrugated layer secured to a face sheet and rolled into a coiled construction.

23. An air cleaner according to claim 22 wherein:
(a) the corrugated layer and the face sheet are secured together with a sealant.

24. An air cleaner according to claim 15 wherein:
(a) the seal member comprises polyurethane.

25. An air cleaner according to claim 15 wherein:
(a) the seal member includes a sealing region having a cross-sectional configuration of a plurality of progressively larger steps.

26. An air cleaner according to claim 15 further including:
(a) a center core in the media construction.

27. An air cleaner according to claim 15 wherein:
(a) the media construction is provided as a coreless construction.

28. An air cleaner according to claim 15 wherein:
(a) said media construction has a racetrack-shaped profile.

29. An air cleaner according to claim 15 further including:
(a) a precleaner arrangement within the housing and located upstream of said filter element arrangement.

30. An air cleaner according to claim 15 wherein:
(a) selected ones of said flutes being open at said first end and closed at said second end, and selected ones of said flutes being closed a first end and open at said second end.

31. A filter element arrangement according to claim 1 wherein:
(a) selected ones of said flutes being open at said first end and closed at said second end, and selected ones of said flutes being closed a first end and open at said second end.

32. A filter element arrangement comprising:
(a) a filter media construction having first and second, opposite, ends; an inlet flow face at the first end; an outlet flow face at the second end; a plurality of flutes; each of said flutes having a first end adjacent to said inlet flow face and a second end adjacent to said outlet flow face; and
(b) a sealing system including a frame construction and a seal member;
(i) the frame construction extending around a periphery of the media construction;
(ii) the seal member located over the outlet flow face and being positioned on the frame construction;
(iii) the seal member being oriented to form a releasable peripherally directed seal with a housing sealing surface, as a result of insertion of the filter element arrangement into sealing

Assignees

• Donaldson Co Inc

Inventors

• Gieseke Steven Scott
• Finnerty Carolyn J

Classifications

• Y10S55/30

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• B01D2275/208

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• B01D46/10

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• B01D2267/40

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• B01D46/0001

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