A cooling tower fan hub having a ring and a disc in which in which hollows and recesses are opened in the ring and/or in the disc in order to decrease fan natural frequencies and avoid excitation by the several kind of loads that affect a fan during operation. The number, size and shape of the hollows can be adjusted to tune the fan natural frequencies around the original value.


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    Title :

    COOLING TOWER AXIAL FAN IN A HOLLOWED DISC/RING CONFIGURATION


    Additional title:

    AXIALLÜFTER MIT KÜHLTURM IN HOHLSCHEIBEN/RING-KONFIGURATION
    VENTILATEUR AXIAL DE TOUR DE REFROIDISSEMENT DANS UNE CONFIGURATION CREUSÉE DE DISQUE/ANNEAU



    Publication date :

    2020-12-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    F04D Strömungsarbeitsmaschinen , NON-POSITIVE-DISPLACEMENT PUMPS / B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING



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