Patent ID: 6832901
Filing Date: 2004-12-21
Classification: F04D

Abstract:
A unit for conveying fuel having a drive motor (12) and a pump section (24) that are situated next to each other in a common housing (10; 110) designed at least nearly in the shape of a hollow cylinder, whereby the pump section (24) comprises a delivery element (26) rotating in a pump chamber (30), and a first wall (32) of the pump chamber (30) forms a boundary of the pump chamber (30) with the drive motor (12) and a second wall (34) of the pump chamber (30) forms a boundary of the pump chamber (30) with the outside of the housing (10) in the direction of the axis of rotation (28) of the delivery element (26),wherein the second wall (34) forming the boundary of the pump chamber with the outside of the housing (10) is formed as a single component with the housing (10), and wherein the first wall (32) forming the boundary of the pump chamber (30) with the drive motor (12) is completely confined inside the housing (10) as a separate component.