US 11,654,384 B2
Liquid filter arrangement and methods
Michael J. Gustafson, Minnetonka, MN (US); Kurt Joscher, Burnsville, MN (US); David B. Harder, Burnsville, MN (US); and Brian Tucker, Farmington, MN (US)
Assigned to Donaldson Company, Inc., Minneapolis, MN (US)
Filed by Donaldson Company, Inc., Minneapolis, MN (US)
Filed on Jun. 21, 2022, as Appl. No. 17/845,596.
Application 17/845,596 is a continuation of application No. 16/994,899, filed on Aug. 17, 2020, granted, now 11,369,903.
Application 16/994,899 is a continuation of application No. 15/437,526, filed on Feb. 21, 2017, granted, now 10,744,431, issued on Aug. 18, 2020.
Claims priority of provisional application 62/352,609, filed on Jun. 21, 2016.
Claims priority of provisional application 62/302,553, filed on Mar. 2, 2016.
Prior Publication US 2022/0323889 A1, Oct. 13, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. B01D 35/30 (2006.01); B01D 35/16 (2006.01); B01D 29/21 (2006.01); B01D 29/11 (2006.01); B01D 27/08 (2006.01); B01D 29/13 (2006.01); B01D 35/00 (2006.01)
CPC B01D 35/306 (2013.01) [B01D 27/08 (2013.01); B01D 29/111 (2013.01); B01D 29/13 (2013.01); B01D 29/21 (2013.01); B01D 35/005 (2013.01); B01D 35/16 (2013.01); B01D 35/30 (2013.01); B01D 2201/295 (2013.01); B01D 2201/303 (2013.01); B01D 2201/304 (2013.01); B01D 2201/34 (2013.01); B01D 2201/347 (2013.01); B01D 2201/4007 (2013.01); B01D 2201/4092 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A filter cartridge comprising:
(a) a housing;
(b) a filter media construction in the housing;
(c) a sleeve non-removably secured to an outside of the housing; the sleeve having a threaded section and holding a housing seal member;
wherein the sleeve includes a bevel surface between the base surface and the threaded section; the bevel surface has an axial length between the base surface and the threaded section of 0.7-2 mm
(i) the sleeve having a seal holder recess with a radially extending base surface and a recess wall; the base surface having a radial base length extending from the recess wall;
(d) an outwardly radially projecting rib adjacent to a first end of the sleeve forming a ceiling of the recess; the sleeve having a second end opposite of the first end; and
wherein the rib has a length less than 80% of the radial base length.