MICRO FILTER DEVICE FOR AN IN LINE FILTERING CONFIGURATION

摘要

Oil Filtering device (1) for filtering oil used in rotational devices, for incorporation in an in-line oil filtering configuration, comprising a filter housing (16) and a lid part (17), tightening means (10) for pressurised interconnection of said lid and the housing, the device (1) comprising an oil inlet port (3) and an oil outlet port (9) in connection with a cylindrical interior space (21) of said filter part (5; 20; 20A-20D). The device (1) comprises a micro-filtration filtering means (20) and is provided with a by pass means (25, 28), comprising an aperture in a closing member (24), connecting to the interior space (21) of the filter device (1) and comprising a pressure dependent valve means situated in, or connecting to said aperture (28), said valve means at lowest oil pressures being in a closed mode, changing to an increasing opened position in relation to an increasing actual oil pressure.