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

Claim 13:
14. 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,
wherein the membrane body comprises a membrane side wall, a membrane bottom wall, and a plurality of ribs along an outer surface of the membrane body, the plurality of ribs extending axially along the membrane side wall and radially along the membrane bottom wall.