Patent ID: 7976602

Claim:
A filter comprising: a housing including an inlet socket and an outlet socket, wherein a medium to be filtered enters the inlet socket and said medium to be filtered exits the housing at the outlet socket after filtering; a filter element comprising a lid releasably and removably closing off an end face of said housing; a first support grid closed off at an end, said first support grid formed as a unitary part of said lid, said first support grid having a cylindrical shape terminating in a radially outwards extending flange at an end opposite said lid; and a first filter medium; wherein the first filter medium is concentrically arranged on said first support grid; wherein the filter element is arranged in the housing; wherein the releasable lid and the filter element together form a unitary component; wherein the releasable lid forms a terminal disk at a first end of the filter element; wherein the lid has an axial socket and wherein the housing has a housing part with a tubular section with an inner wall; wherein the axial socket is seal-tightly received in the tubular section, said tubular section sealing tight to said inner wall; wherein said lid does not threadably engage said tubular section; wherein the axial socket comprises monolithic annular beads disposed on an outer surface of the axial socket.