Granted Patent
B2
US 12,186,694 · App. 18/239,561 · Granted Jan 7, 2025
Filter cartridges; air cleaner assemblies; housings; features; components; and, methods
Assignee:
Donaldson Company, Inc.
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Abstract
According to the present disclosure, features, components and techniques useable for providing air cleaner arrangements are provided. Many of the features relate to an axial seal arrangement provided on a filter cartridge. A typical filter cartridge, for use with these features, is a filter cartridge having opposite flow ends. Example media arrangements that fit this characterization are described. Seal arrangements provided with an axial housing sealing engagement surface are shown. A seal arrangement is provided with variations therein, to advantage. These variations can be in either or both of an outer peripheral edge surface and a housing seal engagement surface. Also, air cleaner assemblies having advantageous features therein are provided. Further, air cleaner housings are described, with selected, preferred features for engagement with filter cartridges.
Claims (27)
1. A filter cartridge comprising:
(a) a media pack having first and second opposite axial ends and a side extending between the first and second axial ends;
(i) the media pack including media having first and second opposite flow faces with a plurality of pleats, each of the pleats having an upstream portion adjacent to the first flow face and a downstream portion adjacent to second flow face;
(ii) the media pack being non-cylindrical;
(b) a sheath surrounding the media pack;
(c) a grid structure spanning across a portion of the first flow face; the grid structure having a plurality of members spanning across the first flow face to define more than two openings in the grid structure;
(d) a support member projecting radially from the sheath;
(e) a seal member attached to the support member and defining a trough between the seal member and the sheath; and
(f) a handle arrangement comprising at least one handle projection extending in a direction away from an end of the cartridge.
2. The filter cartridge according to claim 1 wherein the sheath extends over at least 90% of an axial dimension of the media pack.
3. The filter cartridge according to claim 1 wherein the seal member is molded onto the support member.
4. The filter cartridge according to claim 1 wherein the seal member is adjacent to the first flow face.
5. The filter cartridge according to claim 1 wherein the sheath has two parallel straight sections.
6. A filter cartridge comprising:
(a) a media pack having first and second opposite axial ends and a side extending between the first and second axial ends;
(i) the media pack including media having first and second opposite flow faces with a plurality of pleats, each of the pleats having an upstream portion adjacent to the first flow face and a downstream portion adjacent to second flow face;
(ii) the media pack being non-cylindrical;
(b) a sheath surrounding the media pack;
(c) a support member projecting radially from the sheath; and
(d) a seal member attached to the support member and defining a trough between the seal member and the sheath;
(i) the seal member being molded onto the support member;
(ii) the seal member being adjacent to the first flow face;
(e) a peripheral handle at a location that does not overlap the first and second flow faces and is not surrounded by the media of the media pack.
7. The filter cartridge according to claim 6 wherein the sheath extends over at least 90% of an axial dimension of the media pack.
8. The filter cartridge according to claim 6 further including a grid structure spanning across a portion of the first flow face.
9. The filter cartridge according to claim 8 wherein the grid structure has a plurality of members spanning across the first flow face to define more than two openings in the grid structure.
10. The filter cartridge according to claim 6 wherein the sheath has two parallel straight sections.
Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded Jan 31, 2024
From: CAMPBELL, STEVEN K.; GIESEKE, STEVEN S.
To: DONALDSON COMPANY, INC.
Reel/Frame 066306/0905 →
Continuity (8)
Continuation
PCTUS2014044712
· Jun 27, 2014
Provisional Application
61841005
· Jun 28, 2013
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