Patent ID: 7143456

Claim:
A device for a sanitary tub for producing an air-water massage stream comprising: (a) an accommodation device adapted for attachment to an opening in the sanitary tub for accommodating an electric motor having a drive shaft; (b) a propeller comprising a hub attached to said drive shaft and a plurality of blades arranged radially around said hub; and (c) a collar arranged on said accommodation device comprising edge-side inflow openings and a center outlet opening; wherein said propeller is adapted to draw in a stream of water from within the sanitary tub through said inflow openings and to subsequently transport the water through said outlet opening back into the sanitary tub, said accommodation device having a flow channel for feeding in air which exits via an air channel arranged in said hub through said outlet opening with the stream of water transported by said propeller, wherein a plurality of fan vanes for transporting air are arranged within said air channel.