filter device, in particular an oil filter for cleaning lubricating oil for internal combustion engines for motor vehicles.

摘要

filter device, in particular an oil filter for cleaning lubricating oil for internal combustion engines of motor vehicles the present invention relates to a filter device (1), in particular an oil filter, having a cover of filter housing (2) which delimits a receiving chamber (5) and where an annular filter element (6) is arranged, having a housing (4) in which a dome (15) is centrally arranged and to which the cover of filter housing (2) is screwed in, having at least one intermediate part (3) which is arranged between the filter housing cover (2) and the housing (4) when the filter housing cover (2) is screwed into the housing (4), having a housing side inlet duct (7) that communicates with an untreated side of the annular filter element (6), and a housing side outlet duct (8) that communicates with a clean side of the annular filter element (6), it is possible using a housing side drainage duct (9) through which the receiving chamber (5) can be drained while removing the cover from the filter housing (2), having a closure device (11) which is arranged in the intermediate piece (3) so as to be rotatable around the geometric axis of the filter (10) and which has a closing element (12) by means of which the drain duct (9) can be closed.