US 12,083,459 B2
Multiple threaded connector for filter
Nikhil Manohar Kalbande, Cookeville, TN (US); Ismail C. Bagci, Cookeville, TN (US); and Kevin C. South, Cookeville, TN (US)
Assigned to Cummins Filtration IP, Inc., Columbus, IN (US)
Filed by Cummins Filtration IP, Inc., Columbus, IN (US)
Filed on Jul. 9, 2021, as Appl. No. 17/371,507.
Application 17/371,507 is a continuation of application No. PCT/US2020/012201, filed on Jan. 3, 2020.
Claims priority of provisional application 62/791,154, filed on Jan. 11, 2019.
Prior Publication US 2021/0331105 A1, Oct. 28, 2021
Int. Cl. B01D 35/30 (2006.01)
CPC B01D 35/306 (2013.01) [B01D 2201/342 (2013.01); B01D 2201/4092 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A filter assembly, comprising:
a housing defining an internal volume, the housing comprising a first coupling member formed in a housing first end of the housing;
a filter head comprising a second coupling member formed on a surface thereof; and
an adapter comprising:
a first adapter end;
a second adapter end disposed axially away from the first adapter end;
an annular portion disposed between the first adapter end and the second adapter end, the annular portion comprising at least one opening formed in the annular portion, the at least one opening configured to allow fluid therethrough;
an adapter sleeve that extends axially from the annular portion toward the first adapter end, the adapter sleeve comprising a first sealing surface along an external surface of the adapter sleeve, the first sealing surface configured to form a seal with a first surface of the filter head to prevent fluid leakage from the filter head;
a first axial wall that extends from the annular portion axially towards the first adapter end, the first axial wall comprising a third coupling member configured to engage the second coupling member on the filter head so as to removably couple the adapter and the filter head; and
a second axial wall that extends from the annular portion axially towards the second adapter end, the second axial wall comprising a fourth coupling member configured to engage a first coupling member on the housing so as to removably couple the adapter and the housing;
wherein the annular portion further comprises a second sealing surface facing the first adapter end, the second sealing surface configured to form a seal with a second surface of the filter head to prevent fluid leakage from the filter head.