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热词
    • 2. 发明授权
    • Refrigerant charge control in a heat pump system with water heater
    • 带热水器的热泵系统中的制冷剂充电控制
    • US08056348B2
    • 2011-11-15
    • US11630082
    • 2005-06-03
    • Toshio MurakamiCarlos A. TescheRoberto G. Fernandez
    • Toshio MurakamiCarlos A. TescheRoberto G. Fernandez
    • F25B45/00
    • F25B45/00F25B13/00F25B40/04F25B2313/004F25B2313/0314F25B2313/0315F25B2700/1931F25B2700/1933F25B2700/21151F25B2700/21152
    • A heat pump system includes a compressor, a reversing valve, an outdoor heat exchanger and an indoor heat exchanger in a circuit, and a refrigerant-to-water heat exchanger. In the air cooling with water heating mode, the air heating with water heating mode and the water heating only mode, water from a water reservoir is passed through refrigerant-to-water heat exchanger. A refrigerant reservoir may be provided for use in refrigerant charge control. A refrigerant line (71) couples reservoir to the refrigerant circuit intermediate the outdoor and indoor heat exchangers for directing liquid refrigerant into the reservoir and a refrigerant line (73) couples the refrigerant circuit upstream of the suction inlet to the compressor for returning refrigerant to the refrigerant circuit. A controller controls flow into and from the refrigerant reservoir through selective opening and closing of control valve (72) in line (71) and control valve (74) in line (73).
    • 热泵系统包括电路中的压缩机,换向阀,室外热交换器和室内热交换器,以及制冷剂 - 水热交换器。 在采用水加热方式的空气冷却方式中,采用水加热方式进行空气加热,仅采用加热方式,水箱内的水通过制冷剂 - 水热交换器。 可以提供用于制冷剂充注控制的制冷剂储存器。 制冷剂管线(71)将储存器与室外和室内热交换器之间的制冷剂回路连接,用于将液体制冷剂引导到贮存器中,并且制冷剂管线(73)将吸入口上游的制冷剂回路耦合到压缩机以将制冷剂返回到 制冷剂回路。 控制器通过线路(71)中的控制阀(72)和管线(73)中的控制阀(74)的选择性打开和关闭来控制流入和流出制冷剂储存器的流量。