Whirlpool bathtub with devices for generating jets of water and/or air

In a whirlpool bathtub having a plurality of devices for generating a plurality of jets of at least one of water and air which are supplied to the tub interior at a plurality of places of the tub wall, one of said devices powered for generating said jet being disposed at each of said plurality of places and being fixedly mounted by a base part in an opening in the tub wall and charged with propulsive power from the outside of the tub, each of said devices having a pump housing with a pump chamber, an impeller wheel disposed in said pump chamber on a rotatable seated drive shaft extending perpendicularly to the tub wall, the pump chamber covered towards the tub interior with a nozzle screen, the impeller wheel aspirating water axially from the tub interior through at least one centered aspiration opening of the nozzle screen and returning it through at least one return conduit originating in the pump chamber into the tub interior, said at least one return conduit extending from a portion of the pump chamber which encloses the periphery of the impeller wheel, and the impeller wheel having at least one radially directed feed conduit extending from the axial aspiration opening,

• the improvement comprising:
• said portion of the pump chamber (P) forming said at least one return conduit (K) comprising a separate adjustment part (4) rotatable with respect to the housing base part (23), to allow adjustment of the orientation of the return conduit, and
• said at least one return conduit (K) itself forming a jet outlet opening.