Patent ID: 8245718

Claim:
A pump, in particular a pump for dishwashers, the pump comprising: a housing, the housing including a housing base and a housing cover, and having a longitudinal axis; a heating device, the heating device being located between the housing base and the housing cover, being operable to heat a washing fluid, and forming a portion of a side wall of the housing; an impeller, the impeller being located in the housing cover and rotatable about an axis of rotation; an intake port, the intake port guiding washing fluid into an intake stream flowing into the impeller and the intake port being located upstream of the impeller relative to a direction of flow of washing fluid as viewed along the axis of rotation of the impeller; and a discharge port having a longitudinal axis, the discharge port being located in the housing cover, wherein the longitudinal axis of the discharge port is not parallel to the longitudinal axis of the housing, and the intake port guides washing fluid into an intake stream flowing into the impeller, the intake stream flowing in a longitudinal direction along the longitudinal axis of the housing from the housing cover toward the housing base, and the impeller has a plurality of cover disks curved generally in a direction opposite to the longitudinal direction, the cover disks operating to promote a change in the direction of flow of washing fluid from the longitudinal direction from the housing cover toward the housing base to the direction opposite to the longitudinal direction.