Refrigeration – Automatic control – Trapping and discharging refrigerant batches
Patent
1984-06-18
1986-01-07
Wayner, William E.
Refrigeration
Automatic control
Trapping and discharging refrigerant batches
62509, F25B 4100
Patent
active
045627002
ABSTRACT:
A refrigeration system suitable for use in an air conditioner has a main refrigerant circuit including a compressor, a condenser, a first pressure reducer, a gas-liquid separator, a second pressure reducer and an evaporator connected in series to form a closed loop, and a gas injection passage providing a communication between the gaseous phase part of the gas-liquid separator and a compression chamber of the compressor. A stop valve is disposed in the inlet and outlet pipes of the gas-liquid separator, and a bypass passage is provided for connecting directly the outlet pipe of the condenser to the inlet pipe of the evaporator to bypass the gas-liquid separator. The stop valve is adapted to be controlled such that, when the gas injection to the compressor through the gas injection passage is not conducted, the refrigerant flows through the bypass passage bypassing the gas-liquid separator, while the gas-liquid separator functions as a receiver for adjusting the amount of refrigerant circulated in the main refrigerant circuit.
REFERENCES:
patent: 1703965 (1929-03-01), Shipley
patent: 3237422 (1966-03-01), Pugh
Atsumi Akira
Oguni Kensaku
Senshu Takao
Terada Hirokiyo
Yoshioka Kazuo
Hitachi , Ltd.
Wayner William E.
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