| 摘要 |
An apparatus enhances the efficiency of a combustion heating device such as a fireplace by incorporating an ionic gas propulsion mechanism (e.g., a corona discharge device) to transport ambient air through a heat exchanger. A heat exchanger is configured to warm the ambient air using both heat energy produced by the combustion process and/or by byproducts of the combustion, e.g., exhaust gases. Air scrubber functions collect particulates present in the air including combustion byproducts such as ash and soot. An audio modulator may be used to vary the high voltage applied to electrodes of the corona discharge electrodes to vary air velocity in response to an audio or similar control signal to induce a vibratory motion to the air, i.e., sound, in forms such as music or simulated natural noise, and/or to cancel or attenuate undesirable sounds and noises, such as chimney sounds.
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