Refrigeration – Automatic control – Trapping and discharging refrigerant batches
Patent
1984-06-18
1985-11-12
Wayner, William E.
Refrigeration
Automatic control
Trapping and discharging refrigerant batches
623244, 62509, F25B 4100
Patent
active
045519838
ABSTRACT:
A refrigeration apparatus has a refrigerant circuit which is constituted by a compressor, a condenser, a first pressure reducer, a gas-liquid separator, a second pressure reducer and an evaporator connected to one another in series. The refrigeration apparatus also has a gas injection line connected between a gaseous phase portion of the gas-liquid separator and a compression chamber of the compressor. The improvement comprises a liquid refrigerant extracting passage providing a communication between a portion of the gas-liquid separator at a predetermined level and a portion of the low-pressure side of the refrigerant circuit. With this arrangement, it is possible to stabilize the level of the liquid refrigerant in the gas-liquid separator.
Atsumi Akira
Oguni Kensaku
Senshu Takao
Terada Hirokiyo
Yoshioka Kazuo
Hitachi , Ltd.
Sollecito John
Wayner William E.
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