Abstract: The steam turbine has an interior chamber through which an action steam can flow. The action steam is condensed in a condenser. The condenser is connected to the interior via a cooling-steam conduit. The cooling-steam conduit can be shut off by means of a shut-off member which opens as a function of the differential steam pressure between the condenser and the interior. The method of cooling the steam turbine is effected by cooling the steam turbine with steam from the condenser in the ventilation mode of the turbine.

Abstract: A winding device for simultaneously winding several widths of material onto reel cores has a driven reel axle on which at least one reel core is rotatably arranged, and has a torque-transmission device to transmit a torque from the reel axle to the reel core. The torque-transmission device has a sliding hub element disposed on the reel axle, and a core-receiving element which slides in the reel core and which is affixed in the reel core in the rotating and axial directions. The torque-transmission device is arranged in the radial direction between the reel axle and the reel core, and the hub element is attached to the reel axle in the axial direction. The torque-transmsision device generates a magnetic coupling field between the hub element and the core-receiving element which is sufficient to transmit a torque therebetween.