1results about How to "Avoid interconnection" patented technology

The present invention relates to a filter element (30) having a filter medium (32) and a first end plate (36), the filter medium circumferentially surrounding the longitudinal axis (33) of the filter element (30), wherein the filter medium (32) is capable of being flowed from the radial outside to the radial inside, wherein the filter element (30) has a primary air passage (46) and a secondary air passage (54) preferably located at the center, wherein the filter medium (32) has an axial recess (58) on the first end side (34), and the channel (56) of the first end plate (36) forming the secondary air passage (54) extends in the axial recess. Furthermore, the present invention relates to an air filter (10) having a filter housing (12) and such filter element (30), the filter housing having an unpurified air inlet (18), a primary air outlet (20) and a secondary air outlet (22), the filter element separating the unpurified side (42) communicating with the unpurified air inlet (18) and the purified side (44) in the filter housing (12), wherein the primary air outlet (20) is connected to the purified side (44) via the primary air passage (46), and the secondary air outlet (22) is connected to the purified side (44) via the secondary air passage (54).