| 摘要 |
A 2-cycle heat pump is provided to omit expansion and evaporation cycle by using a centrifugal cyclone tank and an automatic air pressure controller and realize a heating device with high efficiency by using a compressor and a condenser at a low cost. A 2-cycle heat pump includes a compressor, a condenser(20), and a cyclone tank(30) for centrifugally separating liquid phase refrigerant discharged from the condenser at a low temperature with high pressure to liquid phase refrigerant of low temperature and high pressure and then to oil in sequence, and discharging gas phase refrigerant of low temperature and high pressure upward via a refrigerant outlet. An automatic air pressure controller(40) converts the gas phase refrigerant discharged from the cyclone tank at low temperature with high pressure into gas phase refrigerant of low pressure, and circulates the same to the compressor.
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