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Hydrostatic machine unit comprises hydrostatic machine having housing which is provided with housing wall, where active noise damping unit of active acoustic attenuation system is provided for active noise reduction in closed space
Hydrostatic machine unit comprises hydrostatic machine having housing which is provided with housing wall, where active noise damping unit of active acoustic attenuation system is provided for active noise reduction in closed space
The hydrostatic machine unit (1) comprises a hydrostatic machine (2) having housing (3) which is provided with a housing wall (4). The hydrostatic machine has another wall (5) which forms a unit with the hydrostatic machine. An active noise damping unit (21,22) of an active acoustic attenuation system (20) is provided for active noise reduction in a closed space (6). The encapsulation (10) is made of plastic, fiberglass, sheet metal or die-cast material. The double-walled housing is made of cast aluminum or cast iron. An independent claim is also included for an active noise reduction system with an amplifier.
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