Cleaning apparatus for cleaning workpieces , comprising a workpiece receptacle , a rotary part drivable in rotation about a main axis by way of a drive device , and at least one nozzle supporting part (40, 84; 108, 114, 120) which is drivable in rotation about an axis of rotation (44, 84; 112, 118, 124) different from the main axis and on which at least one nozzle is arranged or formed at a distance relative to the axis of rotation (44, 84; 112, 118, 124), via which nozzle the workpiece can be acted upon by a cleaning medium, wherein the at least one nozzle supporting part (40, 84; 108, 114, 120) is held for rotation on the rotary part or wherein the workpiece receptacle is held to or formed by the rotary part , and wherein the drive device for the rotary part is configured as an electric drive device or as a pneumatic drive device , characterized in that the cleaning apparatus (10; 100) comprises a charge generating device having at least one electrode (64; 126, 128) for electrostatic charging and/or discharging of the workpiece and/or of the cleaning medium, in that a drive device for the at least one nozzle supporting part (40, 84; 108, 114, 120) is configured as a drive relying on a differential pressure of the cleaning medium flowing through the at least one nozzle relative to a pressure of an ambient medium in a working chamber of the cleaning apparatus (10; 100) which can have the ambient medium admitted thereto via at least one opening , or as a drive relying on a recoil force of the cleaning medium ejected through the at least one nozzle , and in that the cleaning apparatus (10; 100) comprises a control device with which a rotational speed of the rotary part about the main axis is adjustable. a rotary part drivable in rotation about a main axis by way of a drive device , and at least one nozzle supporting part (40, 84; 108, 114, 120) which is drivable in rotation about an axis of rotation (44, 84; 112, 118, 124) different from the main axis and on which at least one nozzle is arranged or formed at a distance relative to the axis of rotation (44, 84; 112, 118, 124), via which nozzle the workpiece can be acted upon by a cleaning medium, wherein the at least one nozzle supporting part (40, 84; 108, 114, 120) is held for rotation on the rotary part or wherein the workpiece receptacle is held to or formed by the rotary part , and wherein the drive device for the rotary part is configured as an electric drive device or as a pneumatic drive device , characterized in that the cleaning apparatus (10; 100) comprises a charge generating device having at least one electrode (64; 126, 128) for electrostatic charging and/or discharging of the workpiece and/or of the cleaning medium, in that a drive device for the at least one nozzle supporting part (40, 84; 108, 114, 120) is configured as a drive relying on a differential pressure of the cleaning medium flowing through the at least one nozzle relative to a pressure of an ambient medium in a working chamber of the cleaning apparatus (10; 100) which can have the ambient medium admitted thereto via at least one opening , or as a drive relying on a recoil force of the cleaning medium ejected through the at least one nozzle , and in that the cleaning apparatus (10; 100) comprises a control device with which a rotational speed of the rotary part about the main axis is adjustable. <EOS>