US 11,931,676 B2
Sealing systems and methods for a filtration system
Wassem Abdalla, Fishers, IN (US); Vaibhav Pimpalte, Pune (IN); Jayant Singh, Pune (IN); and Sagar Padale, Pune (IN)
Assigned to Cummins Filtration Inc., Nashville, TN (US)
Filed by CUMMINS FILTRATION INC., Nashville, TN (US)
Filed on Apr. 27, 2021, as Appl. No. 17/241,463.
Claims priority of application No. 202020104741.8 (DE), filed on Aug. 14, 2020.
Prior Publication US 2022/0047971 A1, Feb. 17, 2022
Int. Cl. B01D 29/21 (2006.01); B01D 35/16 (2006.01); B01D 35/31 (2006.01)
CPC B01D 29/21 (2013.01) [B01D 35/16 (2013.01); B01D 35/31 (2013.01); B01D 2201/0415 (2013.01); B01D 2201/291 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A filter assembly comprising:
a filter head comprising:
a filter head coupling surface defining a filter head opening;
a filter head outlet configured to provide a fluid;
a filter head inner wall extending around the filter head outlet; and
a filter head outer wall extending around the filter head inner wall, the filter head inner wall and the filter head outer wall collectively defining a filter head channel; and
a filter cartridge comprising:
a filter cartridge shell having a filter cartridge coupling surface configured to be coupled to the filter head coupling surface, the filter cartridge shell defining a filter cartridge opening; and
a filter element configured to be contained within the filter head opening and the filter cartridge opening when the filter cartridge coupling surface is coupled to the filter head coupling surface, the filter element comprising:
a first endcap;
a seal member coupled to the first endcap, the seal member configured to be received within the filter head channel, directly contacting the filter head inner wall and the filter head outer wall when the filter element is contained within the filter head opening and the filter cartridge opening; and
filter media coupled to the first endcap.