Boiler having increased indoor heating efficiency and enabling simultaneous use of indoor heating and hot water
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United States of America Patent
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Jan 16, 2018
Issued Date -
N/A
app pub date -
Apr 15, 2013
filing date -
May 3, 2012
priority date (Note) -
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Abstract
The boiler of the present invention which enables the simultaneous use of heating and hot water includes: an internal heating-water discharge line for heating water, which has a circulation path for heating water forcibly fed by an internal circulation pump between a tank and a main heat exchanger; a supply water discharge line for heating water, which has a circulation path for heating water forcibly fed by an external circulation pump and supplied and returned from/to the tank and an indoor heating mechanism; and a three-way valve provided on a second indoor heating water connecting pipe of the internal heating-water discharge line for heating water, which adjusts the degree to which it is opened according to the indoor heating load and the hot water load in order to supply hot water passing through the main heat exchanger to the tank and a hot-water heat exchanger. The internal heating-water discharge line of the boiler and the supply water discharge line for heating water are connected to the internal space of the tank disposed therebetween.
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