Impeller pump for delivering fluid, comprising • a pump housing • a pump chamber within the pump housing • an inlet into the pump chamber and an outlet out of the pump chamber • an impeller in the pump chamber, wherein the impeller is arranged on a rotor shaft and is connected to a drive motor of the pump, • a pump chamber cover and a pump chamber base, wherein the inlet is arranged in the pump chamber cover, • wherein the impeller is arranged in the axial direction of the pump between the inlet and the outlet, • wherein the impeller is arranged above an end face of a cylinder section projecting into the pump chamber, which cylinder section projects into the pump chamber in the axial direction from an end of the pump which is remote from the pump chamber cover and forms an inner wall of the pump chamber, • wherein the cylinder section is integrally connected in one piece to at least one part of a part which forms the pump chamber outer wall, • characterized in that a guide wheel with at least one guide vane which runs along the outer face of the guide wheel is provided on the cylinder section close to the end face or at a free end of the cylinder section above which the impeller is arranged, • wherein the guide vane projects toward the outside and at least one part of the circumferential direction runs along the outer face and in this course said guide vane is inclined in comparison to a longitudinal center axis through the rotor shaft, • wherein the cylinder section is hollow and a cover is fitted onto said cylinder section, wherein the at least one guide vane is arranged on the outside of an outer face on the cover, and • wherein the cover includes a bearing for the rotor shaft in a central region. • a pump housing • a pump chamber within the pump housing • an inlet into the pump chamber and an outlet out of the pump chamber • an impeller in the pump chamber, wherein the impeller is arranged on a rotor shaft and is connected to a drive motor of the pump, • a pump chamber cover and a pump chamber base, wherein the inlet is arranged in the pump chamber cover, • wherein the impeller is arranged in the axial direction of the pump between the inlet and the outlet, • wherein the impeller is arranged above an end face of a cylinder section projecting into the pump chamber, which cylinder section projects into the pump chamber in the axial direction from an end of the pump which is remote from the pump chamber cover and forms an inner wall of the pump chamber, • wherein the cylinder section is integrally connected in one piece to at least one part of a part which forms the pump chamber outer wall, • characterized in that a guide wheel with at least one guide vane which runs along the outer face of the guide wheel is provided on the cylinder section close to the end face or at a free end of the cylinder section above which the impeller is arranged, • wherein the guide vane projects toward the outside and at least one part of the circumferential direction runs along the outer face and in this course said guide vane is inclined in comparison to a longitudinal center axis through the rotor shaft, • wherein the cylinder section is hollow and a cover is fitted onto said cylinder section, wherein the at least one guide vane is arranged on the outside of an outer face on the cover, and • wherein the cover includes a bearing for the rotor shaft in a central region.