| 摘要 |
A Rankine cycle system provided with: an internal combustion engine cooled by a refrigerant circulating therein; a gas-liquid separator; a first pump that supplies the refrigerant from the internal combustion engine to the gas-liquid separator and then supplies liquid-phase refrigerant from the gas-liquid separator to the internal combustion engine; a steam generator that passes along waste heat of the internal combustion engine to the liquid-phase refrigerant supplied by the gas-liquid separator, which is then supplied to the gas-liquid separator; a superheater that passes along waste heat of the internal combustion engine to the gas-phase refrigerant supplied by the gas-liquid separator; an expander driven by the refrigerant supplied by the superheater; a compressor in which the refrigerant supplied by the expander is compressed; a second pump that supplies the refrigerant from the compressor to the gas-liquid separator; a first control valve that controls the rate of flow of the refrigerant from the internal combustion engine to the gas-liquid separator; and a control unit that forces the first control valve to the closing side when the temperature of the refrigerant in the internal combustion engine is low, relative to the position of the valve when the temperature of the refrigerant in the internal combustion engine is high. |
