US 11,655,609 B2
High capacity filter element end cap
Jason Wells, Indianapolis, IN (US); and Aaron Hoeg, Indianapolis, IN (US)
Assigned to Donaldson Company, Inc., Minneapolis, MN (US)
Filed by Donaldson Company, Inc., Minneapolis, MN (US)
Filed on Aug. 16, 2021, as Appl. No. 17/403,502.
Application 17/403,502 is a continuation of application No. 16/927,266, filed on Jul. 13, 2020, granted, now 11,091,895.
Application 16/927,266 is a continuation of application No. 16/419,745, filed on May 22, 2019, granted, now 10,731,315, issued on Aug. 4, 2020.
Application 16/419,745 is a continuation of application No. 14/722,388, filed on May 27, 2015, granted, now 10,309,078, issued on Jun. 4, 2019.
Claims priority of provisional application 62/005,008, filed on May 30, 2014.
Prior Publication US 2021/0372072 A1, Dec. 2, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. B01D 29/52 (2006.01); E02D 29/14 (2006.01); B01D 35/147 (2006.01); B01D 29/23 (2006.01)
CPC E02D 29/149 (2013.01) [B01D 29/232 (2013.01); B01D 29/52 (2013.01); B01D 35/147 (2013.01); B01D 2201/0446 (2013.01); B01D 2201/295 (2013.01); B01D 2201/342 (2013.01); B01D 2201/4015 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A filter assembly for use with a filter housing; the filter assembly including:
(a) a pleated media pack forming an interior;
(b) a first end cap secured to a first end of the pleated media pack;
(c) a filter cap secured to an opposite second end of the pleated media pack; wherein the first end cap includes:
(i) an external sidewall and a center opening in communication with the interior of the pleated media pack;
(ii) an outwardly directed gasket around and against the external sidewall; and
(iii) a plurality of radially spaced locking grooves in the sidewall and axially between the gasket and the filter cap; each of the locking grooves positioned about the sidewall and structured to receive a pin from the filter housing having a plurality of pins; each of the locking grooves having an inlet for one of the pins extending through a lower wall of the sidewall, the lower wall being at an end of the sidewall adjacent the pleated media pack and axially between the gasket and the filter cap.