Patent ID: 6698221
Filing Date: 2004-03-02
Classification: F25B

Abstract:
A refrigerating system comprising:a refrigerant circulating part having a compressor for compressing refrigerant, a condenser for condensing the refrigerant and an evaporator for evaporating the refrigerant; a plurality of magnet valves connected to the output part of the compressor and the output part of the condenser for measuring the temperature and pressure of a part of the refrigerant discharged from the compressor and condenser; a plurality of by-pass pipes communicating with the magnet valves and operated under the control of the magnet valves for by-passing the part of the refrigerant to the compressor in order to recompress it; and an ejector connected to the by-pass pipes and the evaporator for ejecting the part of the refrigerant fed from the by-pass pipes and the refrigerant fed from the evaporator back to the compressor based on the venturi principle so as to compensate for reduced energy of the compressor.