Hot water apparatus
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United States of America Patent
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-
Apr 22, 2008
Grant Date -
Jun 23, 2005
app pub date -
Dec 3, 2004
filing date -
Dec 19, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A hot water apparatus is provided in which heat recovery is performed as much as possible allowing condensate to be generated and excellent heat efficiency is achieved without providing a plurality of heat exchangers by effectively evaporating generated condensate. In a water heater 1, the condensate evaporator 11 is disposed inclining so that its side facing the high temperature portion of the heat exchanger 10 is at a lower position. The generated condensate drops on the condensate receiver guiding portion 28, and moves by its own weight to the side facing the high temperature portion. Then the condensate is heated and evaporated. In this evaporation, the same amount of heat as that of recovered latent heat is discharged to the exhaust gas, however, sensible heat can be recovered as much as possible without limiting condensate generation in the heat exchanger 10.
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