Aggregat zum Fördern von Kraftstoff

摘要

The inventive aggregate has an electric drive motor (12) and a pump part (24) which are situated adjacently to each other in a common, at least approximately hollow cylinder-shaped housing (10). The pump part (24) has a conveying mechanism (26) which rotates in a pump chamber (30), this pump chamber (30) being delimited by a wall (32, 34) in the direction of the axis of rotation (28) of the conveying mechanism (26) towards the drive motor (12) and towards the outside of the housing (10), respectively. The wall (34) that delimits the pump chamber (30) towards the outside of the housing (10) is configured in a single piece with the housing (10), while the wall (32) that delimits the pump chamber (30) towards the drive motor (12) is introduced into the housing (10) as a separate part. The single-piece configuration of the wall (34) delimiting the pump chamber (30) in the direction of the outside of the housing with said housing means that these two no longer have to be produced and assembled separately and ensures that the pump chamber (30) is completely tight in relation to the outside of the housing (10) due to the absence of connections which would have to be sealed.