Resonant sound attenuator for transformers

Details Resonant sound attenuator for transformers Resonant sound attenuator for transformers

1978-08-21

1980-08-05

Hix, L. T.

Acoustics

Sound-modifying means

Housing or enclosure

181296, H02K 524

Patent

active

042157633

ABSTRACT:
A sound attenuator for transformers comprises a rigid plate fixedly attached to a resilient mass. The sound attenuator is attached to the transformer outer wall in the vicinity of highest sound production. The characteristics of the metal plate and the resilient mass are chosen to produce acoustical radiation out of phase with the noise emitted at the transformer wall surface.

REFERENCES:
patent: 3077946 (1963-02-01), Wilkins
patent: 3160549 (1964-12-01), Caldwell et al.
patent: 3926265 (1975-12-01), Bouyoucos

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