EXHAUST HEAT RECOVERY APPARATUS OF ENGINE
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United States of America Patent
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Issued Date -
Aug 11, 2016
app pub date -
Oct 31, 2013
filing date -
Oct 31, 2013
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Abstract
An exhaust heat recovery apparatus includes an engine, a first cooler, a heat exchanger, and a first valve device. The first cooler contains a first cooling medium to cool a first mechanism of the engine. The first cooler exchanges heat between water at a first temperature from a warm water utilization facility and the first cooling medium to output water at a second temperature. The heat exchanger exchanges heat between the water at the second temperature and the exhaust gas from the engine to output water at a third temperature and supplies the water at the third temperature to the warm water utilization facility. The first valve device causes the water at the first temperature to be supplied to the heat exchanger when a temperature of the first cooling medium is lower than a temperature on a side of the first cooler.
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