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

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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Hauptverfasser: NEIDLEIN, GUNTHER, BACKHAUS, STEFAN-GEORG, WETZSTEIN, ARNO, MAERZ, BENJAMIN
Format: Patent
Sprache:eng ; ger
Schlagworte:
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT PUMPS
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
WEAPONS
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creator NEIDLEIN, GUNTHER
BACKHAUS, STEFAN-GEORG
WETZSTEIN, ARNO
MAERZ, BENJAMIN
description 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). Main sections are attached to the chambers. Plant sections are attached to the housings, where the micro-perforated absorbers are transformed from a planar base body. The absorbers are made of aluminum. Offenbart ist ein Kühlmodul bzw. Kühlaggregat mit einem Gehäuse und mit einem Radialventilator, der als Lüfter für einen Kühler dient. Das Gehäuse weist zur Schalldämmung einen aus einem Aluminiumblech in eine Wellenform umgeformten Absorber auf, der eine Vielzahl von Mikroschlitzen hat. Mit dem Absorber sind Innenwandungen des Gehäuses ganz oder teilweise ausgekleidet, wodurch Kammern zwischen der Innenwandung und dem Absorber gebildet sind. Die Kammern sind nur durch die Mikroschlitze mit dem Innenraum des Gehäuses verbunden und dämmen den Schall des Radialventilators.
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subjects BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT PUMPS
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
WEAPONS
title 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
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