Patent ID: 8237317

Claim:
A device for moving a movable structural component with respect to a stationary structural component, the apparatus comprising: a first fastening element which can be fastened to one of the stationary structural component and the movable structural component; a housing tube which is axially movable relative to the first fastening element, the housing tube having a second fastening element which can be fastened to the other of the stationary structural component and the movable structural component; a spindle drive for moving the first fastening element axially relative to the housing between an extended position and a retracted position, the spindle drive comprising a spindle nut arranged on a threaded spindle; an electric motor arranged in the housing tube for driving one of the spindle nut and the threaded spindle in rotation; and a power supply for supplying power to the electric motor, the power supply comprising a power output stage arranged in the housing tube, a voltage amplifier arranged in the housing tube, wherein the power output stage is shielded from electrical and magnetic fields, and wherein the voltage amplifier, the power output stage and the electric motor are arranged in series.