Fan with wide curved blades

Details Fan with wide curved blades Fan with wide curved blades

1975-09-22

1977-01-04

Raduazo, Henry F.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Plural distributing means immediately upstream of runner

416243, 415208, F04D 2944

Patent

active

040009556

ABSTRACT:
A fan with a plurality of wide curved blades that eliminate air space and overlapping between blades has improved efficiency in that each of the blades is of a curvature that deflects most, if not all, of the air hitting the blades toward, and then forward along, the longitudinal axis of the fan.

REFERENCES:
patent: 691514 (1902-01-01), Whitney
patent: 1683949 (1928-09-01), Bergdoll
patent: 1795588 (1931-03-01), Wilson
patent: 2024700 (1935-12-01), Millar

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