| 摘要 |
PROBLEM TO BE SOLVED: To improve a coefficient of performance (COP) of an ejector type refrigeration cycle having cool storage means.SOLUTION: A refrigerant discharge capacity of a compressor is controlled by alternately switching an operation mode for operating the compressor so as to exhibit a refrigerant discharge capacity higher than a reference refrigerant discharge capacity when a refrigerant discharge capacity required for the compressor is set at the reference refrigerant discharge capacity when cooling blow air at the maximum cooling capacity, and a stop mode for stopping the compressor. By this configuration, since a refrigerant boosting amount in a diffuser part can be increased by increasing a refrigerant flow rate flowing into a nozzle part of an ejector in the operation mode, COP can be improved by reducing the power consumption of the compressor 11. |
