Cooling/refrigerating module for use on roof of rail vehicle, has housings provided with sound absorption units i.e. micro-perforated absorbers, that are provided with transit recesses, and chamber connected with absorbers and housings

The module has housings (4, 6, 10) provided with sound absorbers i.e. micro-perforated absorbers, that are provided with small transit recesses. A chamber is connected with the micro-perforated absorbers and the housings, where size of the chamber is dependent on blade frequency of ventilators (16)....

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Bibliographische Detailangaben
Hauptverfasser: NEIDLEIN, GUNTHER, BACKHAUS, STEFAN-GEORG, WETZSTEIN, ARNO, MAERZ, BENJAMIN
Format: Patent
Sprache:eng ; ger
Schlagworte:
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