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1. 发明授权

US4171622A Heat pump including auxiliary outdoor heat exchanger acting as defroster and sub-cooler 失效
标题翻译：热泵包括辅助室外热交换器作为除霜器和副冷却器
公开(公告)号：US4171622A
公开(公告)日：1979-10-23
申请号：US820003
申请日：1977-07-28
申请人： Koichiro Yamaguchi , Makoto Obata , Mitsuo Ogawa
发明人： Koichiro Yamaguchi , Makoto Obata , Mitsuo Ogawa
IPC分类号： F25B13/00 , F25B47/02 , F25B47/00
CPC分类号： F25B47/022 , F25B13/00 , F25B2313/02542
摘要： A heat pump including an indoor heat exchanger, a main outdoor heat exchanger and an auxiliary outdoor heat exchanger provided underneath the main outdoor heat exchanger and connected between the indoor and main outdoor heat exchangers in a closed refrigerant flow circuit. The refrigerant flow circuit includes a compressor and a reversal valve which can be adjusted (1) during cooling operation to direct the hot compressed gaseous refrigerant from the compressor to the main outdoor heat exchanger and thence to the auxiliary heat exchanger acting as a sub-cooler into the indoor heat exchanger for extracting heat from air of the interior of a building and (2) during heating operation to direct the hot compressed gaseous refrigerant to the indoor heat exchanger to supply heat to the indoor air and then to the auxiliary heat exchanger now acting as a defroster for melting a block of ice which may have accumulated under the main outdoor heat exchanger and into the main outdoor heat exchanger.
摘要翻译：一种包括室内热交换器，主室外热交换器和辅助室外热交换器的热泵，其设置在主室外热交换器的下面，并且在封闭的制冷剂流动回路中连接在室内和室外热交换器之间。制冷剂流动回路包括压缩机和反转阀，其可以在冷却操作期间被调节（1），以将热压缩的气态制冷剂从压缩机引导到主室外热交换器，并且然后到辅助热交换器作为副冷却器进入用于从建筑物内部的空气中提取热量的室内热交换器和（2）在加热操作期间，将热压缩的气态制冷剂引导到室内热交换器，以便现在向室内空气供热，然后到辅助热交换器作为用于熔化可能积聚在主室外热交换器下方并进入主室外热交换器的冰块的除霜器。

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