Patent ID: 7832922

Claim:
A mixing apparatus having a container for the mixing of media which has at least one inlet for the media to be mixed or at least one outlet, with a central cut-out being provided which extends in a longitudinal direction into the container and is bounded relative to the inner space of the container by a wall, with a permanently magnetic mixing member being provided in the container adjacent to the cut-out for the mixing of the media, and with a drive unit being provided in the cut-out by which the mixing member can be set into rotation via a rotating magnetic field, wherein the drive unit is movably arranged in the cut-out such that the position of the mixing member in the container is variable in a controlled manner, wherein the wall of the cut-out is flexible such that the extent of the cut-out is variable in the longitudinal direction substantially over a total extent of the container from a top portion to a bottom portion of the container.