Fluid reaction surfaces (i.e. – impellers) – Perimetric blading extending axially between annular members
Patent
1994-09-27
1995-12-19
Look, Edward K.
Fluid reaction surfaces (i.e., impellers)
Perimetric blading extending axially between annular members
416184, 416187, 416229R, 416241A, 416DIG3, F04D 2928, F04D 2930
Patent
active
054763657
ABSTRACT:
A centrifugal blower wheel is provided with forward-curved multi-blades comprising a pair of end rings, a plurality of blades and a disk. By separating the blades into "vane members" which assume the function of a fluid device and "vane attachment members" which assume the function of a high speed rotating device, there is a greater degree of freedom of design, so optimum materials and shapes can be assigned to these different functions. The end rings, vane attachment members and disk are therefore constructed of metal and provided with beads so as to give a highly rigid structure, while the vane members are constructed of non-metal. This makes it possible to provide a blower wheel which is more lightweight and quieter in operation than a conventional blower wheel.
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Look Edward K.
Verdier Christopher
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