| 摘要 |
A refrigeration system including a refrigerant expansion or metering device. The system includes a compressor, a first heat exchanger and a second heat exchanger, the metering device being disposed between the first and second heat exchangers. The device includes a vortex chamber through which refrigerant is passed. Disposed within the vortex chamber is a heat sensitive plunger operable to vary the path of flow and to vary the rate of flow through the vortex chamber. Refrigerant is passed in heat transfer relation with the plunger which has a source of heat associated therewith. As the quality of the refrigerant varies, so does the heat transfer rate between the refrigerant and plunger.
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