Fuel filter for filtering fuel in a motor vehicle and motor vehicle with such a fuel filter

摘要

The invention relates to a fuel filter for filtering fuel in a motor vehicle (11), comprising a housing (12), wherein the housing (12) encloses a pressure region (14) in which a filter chamber (18) is arranged, with a filter element (11). 16), which is arranged in the filter chamber (18) and separates a raw side (20) from a clean side (22), with a water collecting region (24) which is arranged in the pressure region (14) and fluidically with the filter chamber (18). is connected to a vent channel (26), with a fluid connection (28) from the Druckberiech (14) to the vent passage (26) in which a first throttle (30) is arranged, with a drain line (32) from the water collection area ( 24), in which a second throttle (34) is arranged, and with a collecting space (36) which forms a sump (38) and which has an overflow (40) for the sump (38). In order to improve the engine start after maintenance, it is proposed that the venting channel (26) has an outlet (42) which opens into the catchment space (36) that the outlet (42) of the venting channel (26) below the overflow (40). the sump (38) is located, and that the discharge line (32) has an outlet (43) which opens into the collecting space (36), and in that or on the discharge line (32) a siphon (44) is formed.