PURPOSE: To provide a refrigerating cycle wherein capacity control can be conducted variously by the number of refrigeration lines of a condenser and the reliability of a compressor can be improved.
CONSTITUTION: As a condenser of a refrigerating cycle, a heat exchanger for condensation 1 is used, wherein a plurality of refrigerant passages 2a-2e parallel connected with one another, inlet side solenoid valves 3a-3e provided on the high pressure side of a compressor 8 for the passages 2a-2e and outlet side solenoid valves 4a-4e provided on the side of a depressurizing valve 9, refrigerant bypasses 5a-5e provided between each of the passages 2a-2e and the low pressure side of the compressor 8, and bypass solenoid valves 7a-7e provided respectively in each of the bypasses 5a-5e are provided.
Kenji Togusa
Urata Kazuki
Hiroshi Yasuda
Urushibata Tadayuki
Nakayama Susumu
日立清水エンジニアリング株式会社