Fan apparatus

Details Fan apparatus Fan apparatus

1994-06-10

1996-05-28

Kwon, John T.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Casing with axial flow runner

416169A, F04D 1900

Patent

active

055205135

ABSTRACT:
A fan shroud 4 is positioned upstream of a heat exchanger 5. An intake portion 9 of the fan shroud 4 has the shape that the axial length a thereof is smaller than a radial length b thereof, so that the intake portion expands quickly and the air flowing inwardly toward the fan blade is well guided by the intake portion.

REFERENCES:
patent: 3028072 (1962-04-01), Atalla
patent: 3433403 (1969-03-01), Gerlitz
patent: 3903960 (1975-09-01), Beck
patent: 3937192 (1976-02-01), Longhouse
patent: 4173995 (1979-11-01), Beck
patent: 4189281 (1980-02-01), Katagiri et al.
patent: 5066194 (1991-11-01), Amr et al.
M. Aoki et al "Noise Reduction of Condenser Cooling Fans for Automotive Air Conditioners" Mitsubishi Juko Technical Disclosure vol. 24 No. 2 (1987-3) pp. 161-167.

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