US 12,134,065 B2
Self-cleaning air filtration apparatus and method
Eric L. Ehrenberg, Jacksonville, FL (US); and James G. Moredock, Saint Augustine, FL (US)
Assigned to THE SY-KLONE COMPANY, LLC, Jacksonville, FL (US)
Filed by THE SY-KLONE COMPANY, LLC, Jacksonville, FL (US)
Filed on Oct. 6, 2021, as Appl. No. 17/495,537.
Application 17/495,537 is a continuation of application No. 17/356,973, filed on Jun. 24, 2021.
Prior Publication US 2022/0410059 A1, Dec. 29, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. B01D 46/42 (2006.01); B01D 45/16 (2006.01); B01D 46/00 (2022.01); B01D 46/24 (2006.01); B01D 46/48 (2006.01); B01D 46/62 (2022.01); B01D 50/20 (2022.01); F02M 35/02 (2006.01); F02M 35/024 (2006.01)
CPC B01D 50/20 (2022.01) [B01D 45/16 (2013.01); B01D 46/0043 (2013.01); B01D 46/009 (2013.01); B01D 46/2403 (2013.01); B01D 46/4227 (2013.01); B01D 46/4245 (2013.01); B01D 46/48 (2013.01); B01D 46/62 (2022.01); B01D 2265/024 (2013.01); B01D 2271/022 (2013.01); B01D 2273/30 (2013.01); B01D 2279/60 (2013.01); F02M 35/0201 (2013.01); F02M 35/024 (2013.01)] 21 Claims
OG exemplary drawing
 
1. An air filter assembly comprising:
a filter media;
a closed end cap secured to a first end of the filter media;
a seal member secured to a second, opposite end of the filter media, the second end being open, and the seal member being open to form a clean air outlet;
a screen assembly secured to a central portion of the filter media between the first and second ends; and
a debris catch tray having a debris ejection slot for ejecting debris to the surrounding environment, wherein
the debris catch tray is positioned at the second end of the filter media,
the debris catch tray includes a plurality of support tabs spaced circumferentially on the debris catch tray, the support tabs being arranged to support the filter media and the screen assembly with the support tabs projecting radially inward beyond the filter media and the screen assembly in a radial direction relative to a central axis passing through a center of the air filter assembly,
the debris ejection slot projects radially inward from an outer circumferential surface of the debris catch tray, and
the support tabs extend continuously from a position radially outward of the filter media and the screen assembly to a position radially inward of the filter media and the screen assembly.