Heat exchanger
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United States of America Patent
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Jul 6, 2021
Grant Date -
Jan 31, 2019
app pub date -
Feb 3, 2017
filing date -
Feb 5, 2016
priority date (Note) -
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Abstract
An embodiment of the present subject matter includes a heat exchange part having heating medium channels, through which heating medium flows, and combustion gas channels, through which combustion gas burned in a burner flows, adjacently disposed in alternation in the spaces between the plurality of plates, wherein the heat exchange part surrounds the outer sides of a central combustion chamber space, a plurality of the heat exchange parts are provided in a stacked structure, and the flow direction of the heating medium is unidirectional only in a part of the heating medium channels from among the heating medium channels provided in each layer.
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