#$%^&*AU2013205495B220151126.pdf#####Abstract A dispersing unit for a powder inhaler comprising a mouthpiece in which a ring passage is provided for the supply of a particle flow and 5 has an axial inlet and an axial outlet, with the axial outlet being adjoined by a ring-shaped deflection chamber in which the axially entering particle flow is deflected into a predominantly radial flow direction and with a rotation chamber having a circular peripheral wall and an axial outlet adjoining the deflection chamber in the axial 10 direction, wherein the axial outlet of the rotation chamber is arranged centrally and wherein a discharge passage which expands concavely, adjoins the axial outlet of the rotation chamber.If I0
