Patent ID: 6250093
Filing Date: 2001-06-26
Classification: B60H,F04B

Abstract:
An air conditioning system for cooling or heating a space, the system comprising:a compressor having a system for drawing in refrigerant gas, compressing the gas, and discharging the gas after compression;a port for supplying the commpressed gas to an external circuit; wherein the external circuit includes:a heat exchanger for cooling or heating air supplying to the space;a cooling circuit including a condenser that condenses the compressed refrigerant gas, wherein the cooling circuit supplies the condensed refrigerant gas to the heat exchanger;a heating circuit for optionally supplying the compressed refrigerant gas to the heat exchanger; anda selecting valve apparatus for selectively connecting the cooling circuit or the heating circuit to the heat exchanger, anda control valve for changing the cross-sectional area of the port to lower the discharge amount of the compressed refrigerant gas discharged from the compressor.