Sound-absorbent blower cover

Details Sound-absorbent blower cover Sound-absorbent blower cover

1979-02-07

1981-03-31

Hix, L. T.

Acoustics

Sound-modifying means

Housing or enclosure

181205, 181258, F01N 124, H02K 524

Patent

active

042588219

ABSTRACT:
A flexible sound-absorbent blower cover includes an outer skin of a pliable material shaped to surround the blower and conforming generally to the shape of the blower but oversize to provide a space between the outer skin and the blower. A flexible porous sound-absorbent liner is disposed in the space and is bonded to the outer skin. The blower draws air in through the liner which filters the air. The structure of the flexible one piece cover prevents it from resonating. The cover is provided with a slit which can be opened to facilitate installation and then closed to keep the cover in place on the blower.

REFERENCES:
patent: 2050581 (1936-08-01), Orem
patent: 2764142 (1956-09-01), McMullen
patent: 3534828 (1970-10-01), Iver et al.
patent: 3589971 (1971-06-01), Reed
patent: 3789954 (1974-02-01), Raleigh
South Coast Innovations, "Spa Noise . . . Get Rid Of It" . . . , Eliminator Device.

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