Patent ID: 11857901
Assignee: CUMMINS FILTRATION IP, INC.
Field: Chemical engineering (Chemistry)
Classification: CPC B | IPC B

Claim 6:
7. A filter assembly comprising:
a housing;
a filter element for filtering a fluid and positioned within the housing; and
an expansion membrane assembly that fluidly separates and is positioned between the housing and the filter element, the expansion membrane assembly extending along a housing inner surface, a housing top surface, and a housing outer surface of the housing,
the expansion membrane assembly comprising a membrane body and a lip, the membrane body positioned between the housing inner surface and the filter element and the lip extending along the housing outer surface,
the membrane body comprising a membrane side wall and a membrane bottom wall that together define an inner area of the membrane body for receiving the filter element, the membrane body comprising an extension extending radially outwardly from a top portion of the membrane side wall,
wherein one of the extension of the membrane body and the housing top surface comprises at least one projection, and the other of the extension of the membrane body and the housing top surface defines at least one notch that is complementary to the at least one projection,
wherein the at least one projection fits within the at least one notch such that the expansion membrane assembly and the housing are rotationally locked together.