US 12,290,770 B2
Filtration system with bypass and filtering configurations, and components and methods of operation thereof
Enyu Wei, Tianjin (CN)
Assigned to TIANJIN YUNDA INDUSTRY AND TRADE CO. LTD, Tianjin (CN)
Filed by Tianjin Yunda Industry and Trade Co. Ltd., Tianjin (CN)
Filed on Jul. 11, 2022, as Appl. No. 17/861,815.
Application 17/861,815 is a division of application No. 16/703,228, filed on Dec. 4, 2019, granted, now 11,413,561.
Claims priority of application No. 201911024338.X (CN), filed on Oct. 25, 2019; and application No. 201921808937.6 (CN), filed on Oct. 25, 2019.
Prior Publication US 2022/0339565 A1, Oct. 27, 2022
Int. Cl. B01D 35/14 (2006.01); B01D 29/33 (2006.01); B01D 35/147 (2006.01); B01D 35/30 (2006.01)
CPC B01D 35/147 (2013.01) [B01D 29/33 (2013.01); B01D 35/30 (2013.01); B01D 2201/165 (2013.01); B01D 2201/304 (2013.01); C02F 2201/005 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A filter for a water filtration system, comprising:
a filter cover body;
an end cover including an end cover central opening extending along a central axis of the filter, a plurality of end cover engagement protrusions surrounding the central axis and extending parallel with the central axis, an end cover inlet disposed between at least two of the end cover engagement protrusions, and a plurality of outwardly extending flanges disposed on the outside of the end cover;
a filter core including a filter tip;
a filter tip outlet upper sealing ring; and
a filter tip outlet lower sealing ring,
wherein:
the filter tip includes a filter tip outlet upper sealing groove;
the filter tip includes a filter tip outlet lower sealing groove;
the filter tip outlet upper sealing ring is at least partially disposed within the filter tip outlet upper sealing groove;
the filter tip outlet lower sealing ring is at least partially disposed within the filter tip outlet lower sealing groove;
the filter tip outlet lower sealing ring engages with an interior surface of the filter cover body and the filter tip to form a seal; and
the filter tip outlet lower sealing ring has a larger diameter than the filter tip outlet upper sealing ring.