Cover member and air cleaner construction; use; and, method of assembly

• US 6,419,718 B1
• Filed: 10/13/2000
• Issued: 07/16/2002
• Est. Priority Date: 10/13/2000
• Status: Expired due to Term

• Current Assignee: Donaldson Company Incorporated
• Original Assignee: Donaldson Company Incorporated
• Inventors: Boehrs, Bruce Allen, Nyman, William Michael, Klug, Jerry John
• Primary Examiner(s): SMITH, DUANE
• Application Number:
  US09/687,825
• Time in Patent Office: 641 Days
• Field of Search: 554/98, 555/02, 555/03, 555/04, 553/20, 554/28
• US Class Current: 55/320
• CPC Class Codes: B01D 2201/302 having inlet or outlet ports
• CPC Class Codes: B01D 2265/022 Bayonet connecting means
• CPC Class Codes: B01D 2279/60 for the intake of internal combustion engines or turbines intake systems for vehicles comprising filters F02M35/024
• CPC Class Codes: B01D 46/0004 Details of removable closures, lids, caps or filter heads
• CPC Class Codes: B01D 46/0087 Bypass or safety valves
• CPC Class Codes: B01D 46/2414 End caps including additional functions or special forms
• CPC Class Codes: B01D 46/521 using folded, pleated material
• CPC Class Codes: F02M 35/024 using filters, e.g. moistened F02M35/026 takes precedence; cleaning of the filtering material F02M35/08

Abstract

An air cleaner assembly is provided. The air cleaner assembly includes preferred one-piece cover/filter element construction. A method for manufacturing a preferred cover assembly with a filter element construction nondetachably secured thereto, is provided.

Claims

1. A cover member for removable attachment to an open end of an air cleaner body;

the cover member comprising;

(a) an outer wall having an air flow aperture therethrough; and

,

(b) a media construction positioned to circumscribe said air flow aperture;

(i) the media construction being nondetachably secured in the cover member.

2. A cover member according to claim 1 including:

(a) a dust evacuator arrangement including a dust evacuator tube projecting outwardly from the cover member outer wall;

(i) the dust evacuator arrangement including an evacuator valve positioned on an end thereof.

3. A cover member according to claim 2 wherein:

(a) said media construction includes a cylindrical extension of media; and

(b) said cover member includes a cylindrical shroud oriented to extend an axial distance of at least 30 mm along said extension as media;

(i) said cylindrical shroud circumscribing said extension of media and being spaced therefrom.

4. A cover member according to claim 3 wherein:

(a) said cover member includes an inner support circumscribed by said cylindrical extension of media;

(i) said inner support comprising a resonator tube including a sonic choke therein.

5. A cover member according to claim 4 wherein:

(a) said cylindrical extension of media is nondetachably secured within said cover member by a polymeric potting material.

6. A cover member according to claim 5 wherein:

(a) said media construction has a closed end cap of polymeric material positioned over an end of said media construction remote from said air flow aperture in said cover outer wall.

7. A cover member according to claim 6 wherein:

(a) said media construction has no outer liner.

8. A cover member according to claim 6 wherein:

(a) said media construction comprises pleated media.

9. A cover member according to claim 8 wherein:

(a) said cover member includes a dust and weather seal trough therein, sized and positioned to receive an edge of the air cleaner body therein, when said cover member is mounted on the air cleaner body.

10. A cover member according to claim 8 including:

(a) a first member of a foot and holder twist lock arrangement thereon, for rotatably securing said cover member onto the air cleaner body.

11. A cover member according to claim 1 further comprising:

(a) a preformed outer wall member; and

,

(b) a preformed shroud member secured to the preformed outer wall member.

12. A cover member according to claim 11 wherein:

(a) said cover member comprises a cover member formed from a process including a step of preliminarily securing the preformed shroud member to the preformed outer wall member, by a step of deforming a heat stake arrangement on the outer wall member.

13. A cover member according to claim 12 wherein:

(a) said cover member further comprises a cover member formed from a process including a step of potting the media construction, with a resin potting compound to a preformed combination resulting from the step of preliminarily securing the preformed shroud member to the preformed outer wall member.

14. A cover member according to claim 13 wherein:

(a) the preformed shroud member includes an end wall with a central aperture therein;

the central aperture of the preformed shroud member being circumscribed by a recessed wall portion oriented to provide a potting resin flow space between the portions of preformed shroud member and the preformed outer wall member during assembly.

15. A cover member according to claim 14 wherein:

(a) said media pack includes an inner support having an end with a radial resin flow aperture arrangement therein;

(i) said step of potting the media construction, to the preformed shroud member and the preformed outer wall member, includes providing potting resin flow through the radial resin flow aperture arrangement.

16. A cover member according to claim 15 wherein:

(a) the inner support comprises a polypropylene plastic.

17. A cover member according to claim 16 wherein:

(a) the inner support comprises a resonator tube including a sonic choke.

18. A cover member according to claim 17 wherein:

(a) said preformed outer wall member comprises a polypropylene plastic; and

(b) said preformed shroud member comprises an ABS plastic.

19. A cover member according to claim 18 wherein:

(a) said resin potting resin comprises a polyurethane resin.

20. An air cleaner comprising:

(a) an air cleaner body including an air flow inlet;

said air cleaner body having an open end; and

,

(b) a cover member removably mounted on, and in covering relation to, said open end of air cleaner body;

said cover member comprising;

(i) an outer wall having an air flow outlet aperture there through;

(ii) a media construction positioned to circumscribe said air flow outlet aperture;

(a) said media construction being nondetachably secured to said cover member.