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    • 1. 发明申请
    • Integrated heat exchanger for use in a refrigeration system
    • 用于制冷系统的集成热交换器
    • US20050279127A1
    • 2005-12-22
    • US10871747
    • 2004-06-18
    • Tao JiaStephen MemoryJianmin Yin
    • Tao JiaStephen MemoryJianmin Yin
    • F25B1/10F25B9/00F25B40/00F28D1/04F25B27/00F25B39/04F25B41/00
    • F28D1/0443F25B1/10F25B9/008F25B40/00F25B2309/061F25B2500/18F28D2021/0073F28F2009/0287
    • A refrigeration system includes a multiple stage compressor 10 having at least two stages 12,14 for sequentially compressing the refrigerant together with a gas cooler 21 connected to the compressor 10 for receiving compressed refrigerant from the last stage 14 of the compressor to cool the same. An evaporator 18 is connected to the gas cooler 21 via an expansion device to receive cool refrigerant therefrom and cool the fluid stream passing through the evaporator 18. A return passage connects the evaporator 18 to the first stage 12 of the compressor and an intercooler 26 is connected between the first stage 12 and the last stage 14 of the compressor to cool refrigerant compressed by the first stage 12 and direct the refrigerant cooled thereby to the last stage 14 for further compression. The intercooler 26 and the gas cooler 21 are integrated into a single unit 22 and receive a single cooling heat exchange fluid and the gas cooler 21 has a larger heat transfer surface area than the intercooler 26.
    • 制冷系统包括具有至少两个级12,14的多级压缩机10,用于将制冷剂与连接到压缩机10的气体冷却器21连续地压缩,以从压缩机的最后级14接收压缩的制冷剂以使其冷却。 蒸发器18经由膨胀装置连接到气体冷却器21,以从其中接收冷却的制冷剂,并冷却通过蒸发器18的流体流。 回流通道将蒸发器18连接到压缩机的第一级12,并且中间冷却器26连接在压缩机的第一级12和最后级14之间,以冷却由第一级12压缩的制冷剂,并将冷却的制冷剂引导至 最后一个阶段14进一步压缩。 中间冷却器26和气体冷却器21被集成在一个单元22中并且接纳单个冷却热交换流体,并且气体冷却器21具有比中间冷却器26更大的传热表面积。