Fireplace flue ambient noise reducing device

Details Fireplace flue ambient noise reducing device Fireplace flue ambient noise reducing device

1988-10-04

1989-09-05

Fuller, B. R.

Acoustics

Sound-modifying means

Combined

181252, 181256, 126500, F01N 110

Patent

active

048629936

ABSTRACT:
A fireplace provided with a sound reducer is shown. The sound reducer eliminates ambient noise feeding back to the indoor through the flue system of the fireplace.

REFERENCES:
patent: 3894610 (1975-07-01), Halter et al.
patent: 4036324 (1977-07-01), Washbourne
patent: 4128769 (1978-12-01), Bons et al.
patent: 4174700 (1979-11-01), Bartsch
patent: 4239091 (1980-12-01), Negoao
patent: 4281740 (1981-08-01), Weiss et al.

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