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.
COOLING TOWER AXIAL FAN IN A HOLLOWED DISC/RING CONFIGURATION
AXIALLÜFTER MIT KÜHLTURM IN HOHLSCHEIBEN/RING-KONFIGURATION
VENTILATEUR AXIAL DE TOUR DE REFROIDISSEMENT DANS UNE CONFIGURATION CREUSÉE DE DISQUE/ANNEAU
2020-12-30
Patent
Electronic Resource
English
Cooling tower axial fan in a hollowed disc/ring configuration
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