FEED PUMP HAVING A FILTER

摘要

The invention relates to a feed pump (2) having a driven impeller (12) rotating in a pump housing (11), the impeller having at least one ring (16-19) of rotor blades (20-23) limiting blade chambers, and having at least one channel (24-27) in a circular segment form that is disposed in a region of the rotor blades (20-23) in the pump housing (11), which together with the blade chambers forms a feed chamber provided for the feeding of a fluid from an inlet channel (28), (38) to an outlet channel, and a filter (6) having a connecting piece (7), wherein the connecting piece (7) is connected to the inlet channel (28), (38) of the feed pump (2). The connecting piece (7) of the filter (6) has a region (32) having a cross-section that is reduced in the direction of the flow and the transition of the flow cross-section of the connecting piece (7) towards the flow cross-section of the inlet channel (28) is configured continuously.