HEAT PUMP
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United States of America Patent
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Issued Date -
Oct 24, 2024
app pub date -
Nov 2, 2022
filing date -
Nov 2, 2022
priority date (Note) -
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Abstract
A heat pump may include: a compressor compressing refrigerant received from an accumulator; a water-refrigerant heat exchanger exchanging heat between the refrigerant discharged from the compressor and water; a main expansion valve expanding the refrigerant passed through the water-refrigerant heat exchanger; an outdoor heat exchanger exchanging heat between the refrigerant passed through the main expansion valve and outdoor air and connected to the accumulator; a main pipe connecting the water-refrigerant heat exchanger and the outdoor heat exchanger, the main pipe at which the main expansion valve is installed; an internal heat exchanger installed at the main pipe between the water-refrigerant heat exchanger and the main expansion valve; an injection pipe at which the internal heat exchanger is installed; an injection valve installed at the injection pipe; a bypass pipe; and a bypass valve installed at the bypass pipe.
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