Knocked-down fan for engine cooling and other applications

Details Knocked-down fan for engine cooling and other applications Knocked-down fan for engine cooling and other applications

1990-11-29

1992-01-28

Kwon, John T.

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Interlocking blades

416204R, 416DIG3, F01D 514

Patent

active

050839047

ABSTRACT:
An engine cooling-system fan formed by combining two fan assemblies of like construction. Each fan assembly comprises a sheet-metal hub with radiating spokes, and a set of fan blades fastened one to each spoke. The hubs of both fan assemblies are riveted or otherwise joined together in axial alignment, with the two sets of fan blades arranged alternately at constant angular spacings. Preferably, the spokes of either or both of the fan assemblies are offset to provide the same plane of rotation for the two sets of the fan blades.

REFERENCES:
patent: 1372414 (1921-03-01), Ford
patent: 4172691 (1979-10-01), Comstock et al.

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