Exhaust structure for combustion apparatus
Number of patents in Portfolio can not be more than 2000
United States of America
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Mar 31, 2020
Grant Date -
Apr 27, 2017
app pub date -
Oct 27, 2015
filing date -
Oct 27, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
An exhaust structure for combustion apparatus includes an exhaust tube connected to a water heater, an exhaust pipe through which the exhaust tube is introduced, and an exhaust tube fixing member for fixing a position of the exhaust tube relative to the exhaust pipe. The exhaust tube fixing member includes a first fixing portion having a cylindrical shape and fixed to the exhaust tube, and an attaching portion connected to the first fixing portion and attached to the exhaust pipe. The attaching portion have a first cylindrical portion having a first inner diameter D2, and a second cylindrical portion having a second inner diameter D3 smaller than the first inner diameter D2 of the first cylindrical portion.
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