Apparatus and method for sound reduction of high efficiency furnaces

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United States of America Patent

PATENT NO 10753607
APP PUB NO 20190178493A1
SERIAL NO

15837364

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Abstract

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A sound level reducing apparatus and method for reducing the outdoor sound level produced by a high efficiency gas furnace. The apparatus comprising a muffler having an internal length determined by an identified target pure tone frequency producing an undesirable sound level. The internal length may be optimized to reduce the sound level across a range of operational frequencies.

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Patent Owner(s)

Patent OwnerAddress
LENNOX INDUSTRIES INC2140 LAKE PARK BLVD RICHARDSON TX 75080

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Beakley, Leonor Plano, US 4 2
Chilson, David Lewisville, US 2 3
Cook, Leonard J Lewisville, US 4 33

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