Exhaust adapter and combustion apparatus having the same
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United States of America Patent
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Nov 11, 2014
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N/A
app pub date -
Apr 26, 2012
filing date -
Apr 26, 2011
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Abstract
An exhaust adapter A having an inner tubular wall 41 forming a through hole 40 communicating with an exhaust port 14, an outer tubular wall 42 surrounding the inner tubular wall 41, and an annular concave part 43 formed between the inner tubular wall 41 and the outer tubular wall 42. One of at least two types of exhaust pipes having different pipe diameters can be selectively connected as an exhaust pipe 2 by utilizing either the through hole 40 or the annular concavity 43. Height H1 of the inner tubular wall 41 is designed to be lower than height H2 of the outer tubular wall 42. Drain flowing in the annular concave part 43 is prevented from flowing out around the outer tubular wall 42 and furthermore the exhaust adapter A can be accurately used for various types of exhaust pipes with different pipe diameters.
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