Sound reducing baffle for electrical apparatus

Details Sound reducing baffle for electrical apparatus Sound reducing baffle for electrical apparatus

1977-10-31

1979-03-27

Hix, L. T.

Acoustics

Sound-modifying means

Housing or enclosure

181264, 336 59, 336100, 181256, 181281, H02K 524, H02K 524

Patent

active

041461126

ABSTRACT:
A sound reducing baffle for air cooled electrical apparatus with a ventilated enclosure comprised of a box-like closure member positioned in front of the ventilating openings and open at the back and top thereof to permit the transfer of air.
The sound is attenuated by reflections and absorption within the baffle with little or no interference with the transfer of cooling air to and from the enclosure.

REFERENCES:
patent: 3451503 (1969-06-01), Twomey
patent: 3530840 (1970-09-01), Freyn
patent: 3762489 (1973-10-01), Proksch et al.

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