Fluid propeller fan

Details Fluid propeller fan Fluid propeller fan

1980-12-03

1983-10-25

Hornsby, Harvey C.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Radial flow devices

416245R, 416DIG2, F04D 2938

Patent

active

044115989

ABSTRACT:
A fluid propeller fan useful as but not limited to an air-circulating cooling fan for an automotive engine, wherein each of the vanes of the fan has a pitch angle which is gradually reduced from the tip or an intermediate portion toward the radially innermost end of the vane so as to provide an increased draught volume and improved draught flow characteristics.

REFERENCES:
patent: 1825184 (1931-09-01), Glanschnig
patent: 2116055 (1938-05-01), Weichwald

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