An air conditioning system includes a phase separator separating a gaseous refrigerant and a liquid refrigerant from a flowing refrigerant, an evaporator evaporating the liquid refrigerant separated by the phase separator, and at least one compressor including a first compressing part receiving the
An air conditioning system includes a phase separator separating a gaseous refrigerant and a liquid refrigerant from a flowing refrigerant, an evaporator evaporating the liquid refrigerant separated by the phase separator, and at least one compressor including a first compressing part receiving the refrigerant via the evaporator and a second compressing part receiving both of the gaseous refrigerant separated by the phase separator and the refrigerant via the first compressing part.
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1. An air-conditioning system comprising: a phase separator separating a gaseous refrigerant and a liquid refrigerant from a flowing refrigerant, the phase separator including a storage container for storing the gaseous and liquid refrigerants mixed with each other therein, a mixed refrigerant pipe
1. An air-conditioning system comprising: a phase separator separating a gaseous refrigerant and a liquid refrigerant from a flowing refrigerant, the phase separator including a storage container for storing the gaseous and liquid refrigerants mixed with each other therein, a mixed refrigerant pipe connecting part guiding the mixed refrigerant to the storage container, a first refrigerant pipe connecting part discharging the separated gaseous refrigerant, a second refrigerant pipe connecting part discharging the separated liquid refrigerant and a barrier wall provided at a lower wall, under the first refrigerant pipe connecting part,an evaporator evaporating the liquid refrigerant separated by the phase separator; anda plurality of compressors including first compressor and second compressor independently operable, each of first compressor and second compressor comprising:a first compressing part receiving the refrigerant via the evaporator;a second compressing part receiving both of the gaseous refrigerant separated by the phase separator and the refrigerant via the first compressing part, wherein a volume of a first cylinder of the first compressing part is different from a volume of a second cylinder of the second compressing part; andan intermediate refrigerant pipe connecting the first compressing part and the second compressing part together to provide a space for mixing the gaseous refrigerant separated by the phase separator and the refrigerant via the evaporator together,a first gaseous refrigerant pipe enabling the gaseous refrigerant discharged from the phase separator to flow into the intermediate refrigerant pipe of the first compressor;a second gaseous refrigerant pipe provided parallel with the first gaseous refrigerant pipe to enable the gaseous refrigerant discharged from the phase separator to flow into the intermediate refrigerant pipe of the second compressor;a first auxiliary electronic expansion valve provided to the first gaseous refrigerant pipe, the first auxiliary electronic expansion valve controlling a flow of the gaseous refrigerant introduced into the intermediate refrigerant pipe of the first compressor;a second auxiliary electronic expansion valve provided to the second gaseous refrigerant pipe, the second auxiliary electronic expansion valve controlling a flow of the gaseous refrigerant introduced into the intermediate refrigerant pipe of the second compressor;wherein, the first compressing part and the second compressing part are operated selectively according to an external load,wherein, the first compressor and the second compressor are variable compressors having a compression capacity variable, and the first compressor and the second compressor are operated selectively according to an external load,wherein, opening degree of the first auxiliary electronic expansion valve and the second auxiliary electronic expansion valve are independently adjusted according to a load applied to the first compressor and the second compressor,wherein the storage container comprises a body part, an upper wall provided to an upper end portion of the body part, and a lower wall provided to a lower end portion of the body part,wherein a lower end portion of the mixed refrigerant pipe connecting part and a lower end portion of the second refrigerant pipe connecting part are dipped in the mixed refrigerant to be spaced apart from the lower wall with a prescribed gap in-between,wherein the barrier wall is installed to have a predetermined height from the lower wall, and wherein the height of the barrier wall is longer than the gap. 2. The air-conditioning system of claim 1, wherein the volume of the second cylinder amounts to 40-80% of the volume of the first cylinder. 3. The air-conditioning system of claim 1, wherein the barrier wall is provided under the first refrigerant pipe connecting part to remove particles from the gaseous refrigerant discharged from the first refrigerant pipe connecting part and prevent the liquid refrigerant from being introduced into the first refrigerant pipe connecting part. 4. The air-conditioning system of claim 1, wherein the upper wall is upwardly convex; andthe lower wall is downwardly convex. 5. The air-conditioning system of claim 4, wherein the first refrigerant pipe connecting part is provided to a most upper end of the upper wall. 6. The air-conditioning system of claim 1, wherein the barrier wall is provided between a lower end portion of the mixed refrigerant pipe connecting part and a lower end portion of the second refrigerant pipe connecting part to prevent a flow of the refrigerant discharged from the mixed refrigerant pipe connecting part from affecting the second refrigerant pipe connecting part or the first refrigerant pipe connecting part. 7. The air-conditioning system of claim 6, wherein a height of the barrier wall is 1-2 times greater than a diameter of the storage container. 8. An air-conditioning system comprising: a phase separator separating a gaseous refrigerant and a liquid refrigerant from a flowing refrigerant, the phase separator including a storage container for storing the gaseous and liquid refrigerants mixed with each other therein, a mixed refrigerant pipe connecting part guiding the mixed refrigerant to the storage container, a first refrigerant pipe connecting part discharging the separated gaseous refrigerant; a second refrigerant pipe connecting part discharging the separated liquid refrigerant and a barrier wall provided at a lower wall, under the first refrigerant pipe connecting part,an evaporator evaporating the liquid refrigerant separated by the phase separator; anda plurality of compressors including first compressor and second compressor independently operable, each of first compressor and second compressor comprising:a first compressing part receiving the refrigerant via the evaporator;a second compressing part receiving both of the gaseous refrigerant separated by the phase separator and the refrigerant via the first compressing part, wherein a volume of a first cylinder of the first compressing part is different from a volume of a second cylinder of the second compressing part; andan intermediate refrigerant pipe connecting the first compressing part and the second compressing part together to provide a space for mixing the gaseous refrigerant separated by the phase separator and the refrigerant via the evaporator together,wherein, the first compressing part and the second compressing part are operated selectively according to an external load,wherein, the first compressor and the second compressor are variable compressors having a compression capacity variable, and the first compressor and the second compressor are operated selectively according to an external load,wherein the storage container comprises a body part, an upper wall provided to an upper end portion of the body part, and the lower wall provided to a lower end portion of the body part,wherein a lower end portion of the mixed refrigerant pipe connecting part and a lower end portion of the second refrigerant pipe connecting part are dipped in the mixed refrigerant to be spaced apart from the lower wall with a prescribed gap in-between,wherein the barrier wall is installed to have a predetermined height from a lower and wall, and wherein the height of the barrier wall is longer than the gap.
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이 특허에 인용된 특허 (6)
Powell James W. (Hartland MI) Voss Mark G. (Brighton MI) Hurley John F. (Easton CT) Hartel Edward O. (Orange CT), Environmental control system.
Ozaki Yukikatsu (Nishio JPX) Tsunokawa Masaru (Nishio JPX), Gas-liquid separator for a heat pump type air conditioning system using a gas-injection cycle.
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