Exchangeable oil filter for an oil filter system of an I.C. engine comprises a displacement volume protruding downward over the lower side of an annular seal and immersed in a recess in an assembly base

摘要

Exchangeable oil filter comprises a displacement volume (20) protruding downward over the lower side (14) of an annular seal (13) and immersed in a recess (4) in an assembly base (2) after assembly of the oil filter on the base. An independent claim is also included for an oil filter system containing the above oil filter.