Torsional vibration damper arrangement for the drive train of a motor vehicle, comprising - an input region and an output region which are to be driven in rotation about a rotational axis, and - a first torque-transmission path, and parallel thereto, a second torque-transmission path, which both proceed from the input region, and - a coupling arrangement which is connected to the output region and has the purpose of superimposing the torques which are conducted via the two torque-transmission paths (47; 48), wherein the coupling arrangement comprises a planetary gear mechanism with a planetary gear carrier, a planetary gear bolt, a planetary gear element, an output element and an output flange element which is connected in a rotationally fixed fashion to the output element, and - a phase shifter arrangement for the first torque-transmission path for generating a phase shift of rotation irregularities conducted via the first torque-transmission path with respect to rotation irregularities conducted via the second torque-transmission path, and - a wet space which encloses the coupling arrangement and the shifter arrangement, and - a flange element which is arranged concentrically with respect to the rotational axis and is positioned radially outside an attachment diameter of an attachment element to a drive assembly and radially inside the planetary gear mechanism, and - a cover element which spatially bounds the torsional vibration damper arrangement with respect to the output region in the axial direction, wherein the wet space is sealed off from a surrounding region by means of a first sealing element and a second sealing element, wherein the first sealing element and the second sealing element are implemented in a structurally identical fashion, characterized in that the first sealing element is arranged between the output element and the flange element, and in that the second sealing element is arranged between the cover element and the output flange element. - an input region and an output region which are to be driven in rotation about a rotational axis, and - a first torque-transmission path, and parallel thereto, a second torque-transmission path, which both proceed from the input region, and - a coupling arrangement which is connected to the output region and has the purpose of superimposing the torques which are conducted via the two torque-transmission paths (47; 48), wherein the coupling arrangement comprises a planetary gear mechanism with a planetary gear carrier, a planetary gear bolt, a planetary gear element, an output element and an output flange element which is connected in a rotationally fixed fashion to the output element, and - a phase shifter arrangement for the first torque-transmission path for generating a phase shift of rotation irregularities conducted via the first torque-transmission path with respect to rotation irregularities conducted via the second torque-transmission path, and - a wet space which encloses the coupling arrangement and the shifter arrangement, and - a flange element which is arranged concentrically with respect to the rotational axis and is positioned radially outside an attachment diameter of an attachment element to a drive assembly and radially inside the planetary gear mechanism, and - a cover element which spatially bounds the torsional vibration damper arrangement with respect to the output region in the axial direction,