A cooling tower axial fan hub comprising: a first disc configured to connect to a central boss; a second disc bolted to said first disc through connecting elements of a plurality of fan blades, said connecting elements sandwiched between said first disc and said second disc; a seal disc comprising an annular ring having an outer diameter and an inner diameter attached to said second disc; said first disc comprising a plurality of corresponding and regularly spaced first disc fan blade connecting segments, said second disc comprising a plurality of corresponding and regularly spaced second disc fan blade connecting segments, said first disc fan blade connecting segments each extending radially along a radius of said first disc, an equal distance from a central boss connection, and said second disc fan blade connecting segments each extending radially, parallel with a radius of said second disc, an equal distance from an open center core, each pair of adjacent first disc fan blade connecting segments defining a V-shaped hollow space, and each pair of adjacent second disc fan blade connecting segments defining a V-shaped hollow space, said annular ring of said seal disc dimensioned to cover each said V-shaped hollow space defined by said each pair of second disc fan blade connecting segments.
Cooling tower axial fan in a hollowed disc/ring configuration
2024-02-08
Patent
Elektronische Ressource
Englisch
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