HEAT PUMP APPARATUS
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United States of America
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Issued Date -
Jan 9, 2020
app pub date -
Nov 22, 2017
filing date -
Nov 22, 2017
priority date (Note) -
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Abstract
A heat pump apparatus includes a use-side heat exchanger that cause heat exchange to be performed between a heat medium flowing from a heat-storage heat exchanger and a heat usage medium, and a flow-passage switching device that switches a flow passage for the heat medium to a first flow passage that circulates through a heat-reception-side heat exchanger and the heat-storage heat exchanger without extends through the use-side heat exchanger or a second flow passage that circulates through the heat-reception-side heat exchanger and the heat-storage heat exchanger via the use-side heat exchanger. Even when the temperature of the heat storage medium rises, heat received from a heat source can be stored in the heat storage medium by a heat pump, while a decrease of the efficiency of the heat pump can be reduced.
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