Heat exchanger and heat source device
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United States of America Patent
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Jul 2, 2019
Grant Date -
Apr 5, 2018
app pub date -
Sep 29, 2017
filing date -
Oct 4, 2016
priority date (Note) -
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Abstract
A heat exchanger for hot water supply (21) is comprised of: a first heat exchanging unit (21) a that heats the water, which is supplied from a second communication section x1 to the hollow portions of hollow plates P1 to P5 and reaches a first communication section y, by a combustion exhaust gas that circulates through the gaps among the hollow plates P1 to P5; and a second heat exchanging unit (21b) that heats the water, which is supplied from the first communication section y to the hollow portions of the hollow plates P6 to P8 below the hollow plates P1 to P5 and reaches a third communication section x2, by a heat medium that circulates through the gaps among the hollow plates P6 to P8.
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