Mutually convertible boiler between normal type and condensing type
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United States of America Patent
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-
Dec 13, 2011
Grant Date -
Feb 26, 2009
app pub date -
Dec 15, 2004
filing date -
Feb 16, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A boiler includes a combustion chamber, a heat exchange section, and an outer housing. Coupling holes are formed in the outer housing, a circulation chamber is formed at a lower portion of the outer housing, and a burner is provided at an upper portion of the combustion chamber so as to generate heat in a downward direction thereof. The combustion chamber is vertically installed in one of the coupling holes, and a lower portion of the combustion chamber is communicated with the circulation chamber. The heat exchange section includes first and second heat exchangers and is vertically installed in the outer housing adjacent to the combustion chamber. An upper portion of the heat exchange section is coupled to one of the coupling holes and a lower portion of the heat exchange section is communicated with the circulation chamber.
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