Portable fan housing

Details Portable fan housing Portable fan housing

1975-08-27

1976-08-24

Raduazo, Henry F.

Rotary kinetic fluid motors or pumps

With sound or vibratory wave absorbing or preventing means...

415209, 415210, 415219R, 417423R, F04D 2966, F04D 2952

Patent

active

039763935

ABSTRACT:
A barrel assembly for an axial flow fan comprises a sheet of flexible material, a body portion and a vane assembly. The body portion has a circular inlet and a barrel seat extending downstream from the periphery of the inlet. The vane assembly has a plurality of evenly spaced-apart radially extending vanes. The vanes are of equal radial length and each has a free end. The longitudinal axis of the vane assembly is coincident with the central axis of the inlet. The circumference of the circle containing the free ends of the vanes is substantially equal to the circumference of the barrel seat. The sheet of material wrapped around the free ends of the vanes is also wrapped around the barrel seat. Means for retaining the sheet of material in position is provided. A cabinet may be provided for the barrel assembly. The closed cavity between the barrel assembly and the interior surfaces of the cabinet may be filled with vibration absorbing material for supporting the barrel assembly.

REFERENCES:
patent: 1978459 (1934-10-01), Hegan
patent: 2225398 (1940-12-01), Hamblin
patent: 2650020 (1953-08-01), Morrill
patent: 2650021 (1953-08-01), Morrill
patent: 3019965 (1962-02-01), Lyman
patent: 3346174 (1967-10-01), Lievens et al.
patent: 3403843 (1968-10-01), Cox
patent: 3433403 (1969-03-01), Gerlitz

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