HEAT PUMP SYSTEM USED FOR BOTH COOLING AND HEATING

PROBLEM TO BE SOLVED: To provide a heat pump system for both cooling and heating to be efficiently operated by the system by forming so that refrigerants of high and low pressure sides at the time of stopping a compressor are not mixed with one another. SOLUTION: The heat pump system used for both c...

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1. Verfasser: SAI TOUKEI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a heat pump system for both cooling and heating to be efficiently operated by the system by forming so that refrigerants of high and low pressure sides at the time of stopping a compressor are not mixed with one another. SOLUTION: The heat pump system used for both cooling and heating comprises a compressor 1, outdoor and indoor side heat exchangers 2, 3 first and second throttle means 4, 5, a four-way valve 6, and further refrigerant cutting-off means 10. The means 10 has a moving separating plate 12 moving in a housing 11 by the pressure of the refrigerant and the elastic force of first and second elastic members 15, 16. The refrigerant is circulated in a normal flowing direction at the time of operating the compressor 1, and the refrigerant of high and low pressure sides are shut off from each other at the time of stopping the compressor 1.