An acoustic damper (100) for a gas duct system (20), comprises a housing (1) comprising a first wall (2) and a second wall (3) opposite to and spaced from the first wall (2) so as to at least partly define a housing volume there between. The acoustic damper (100) comprises a slot (4) in the first wall (2), the slot (4) providing an elongate opening in the first wall (2) and being connected with a channel (4') extending from the slot (4) towards the second wall (3). At least one Helmholtz resonator (5, 5', 5") is arranged in the housing, comprising an enclosed resonator volume (6, 6', 6"), and at least one neck (7, 7', 7") having a first end (7a, 7'a, 7"a) and a second end (7b, 7'b, 7"b). The first end (7a, 7'a, 7"a) opens into the Helmholtz resonator volume (6, 6', 6") and the second end (7b, 7'b, 7"b) opens into the channel (4').


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    Title :

    ACOUSTIC DAMPER FOR A GAS DUCT SYSTEM


    Additional title:

    SCHALLDÄMPFER FÜR EIN GASLEITUNGSSYSTEM
    AMORTISSEUR ACOUSTIQUE POUR SYSTÈME DE CONDUIT DE GAZ


    Contributors:
    ZHOU LIN (author)

    Publication date :

    2020-12-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL , Schalldämpfer oder Auspuffvorrichtungen für Gase von Kraft- und Arbeitsmaschinen oder von Kraftmaschinen allgemein / F02C Gasturbinenanlagen , GAS-TURBINE PLANTS / F02M Zuführen von Brennstoff-Luft-Gemischen oder deren Bestandteilen bei Brennkraftmaschinen allgemein , SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF / F16L PIPES , Rohre / F24F Klimatisierung , AIR-CONDITIONING



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