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1. 发明申请

WO2007110908A9 REFRIGERATION AIR CONDITIONING DEVICE 审中-公开
标题翻译：制冷空气调节装置
公开(公告)号：WO2007110908A9
公开(公告)日：2008-02-21
申请号：PCT/JP2006306119
申请日：2006-03-27
申请人： MITSUBISHI ELECTRIC CORP , UNEZAKI FUMITAKE , SAITOU MAKOTO , SAIKUSA TETSUJI , AOKI MASANORI , YOSOMIYA MASATO
发明人： UNEZAKI FUMITAKE , SAITOU MAKOTO , SAIKUSA TETSUJI , AOKI MASANORI , YOSOMIYA MASATO
IPC分类号： F25B1/00 , F25B13/00
CPC分类号： F25B13/00 , F25B1/10 , F25B9/008 , F25B40/00 , F25B2309/061 , F25B2313/02741 , F25B2400/13 , F25B2500/31
摘要： A refrigeration air conditioning device whose heating ability is higher than that of conventional devices with a gas injection cycle so that the device can exhibit sufficient heating ability in a cold region where outside air temperature is equal to or lower than -10°C. In the refrigeration air conditioner, a compressor (3), an indoor heat exchanger (6), a first pressure reduction device (11), and an outdoor heat exchanger (12) are connected in a ring form and heat is supplied from the indoor heat exchanger. The refrigeration air conditioner has a first inside heat exchanger (9) for exchanging heat between refrigerant that is located between the indoor heat exchanger and the first pressure reduction device and refrigerant that is located between the outdoor heat exchanger and the compressor; an injection circuit (13) for causing a portion of the refrigerant that is located between the indoor heat exchanger and the first pressure reduction device to bypass and injecting the portion into a compression chamber in the compressor; a pressure reduction device (14) for injection, provided in the injection circuit; and a second inside heat exchanger (10) for exchanging heat between refrigerant that is reduced in pressure by the pressure reduction device for injection and refrigerant that is located between the indoor heat exchanger and the first pressure reduction device.
摘要翻译：一种制冷空调装置，其加热能力高于具有气体注入循环的常规装置的制冷空调装置，使得该装置能够在室外空气温度等于或低于-10℃的寒冷地区中显示出足够的加热能力。在制冷空调机中，以环形的形式连接有压缩机3，室内热交换器6，第一减压装置11和室外热交换器12，并且从室内供给热量热交换器。制冷空调具有：第一内部热交换器（9），用于在位于室内热交换器和第一减压装置之间的制冷剂与位于室外热交换器和压缩机之间的制冷剂之间进行热交换; 用于使位于室内热交换器和第一减压装置之间的制冷剂的一部分旁路并将该部分注入压缩机中的压缩室的喷射回路（13）设置在喷射回路中的用于喷射的减压装置（14）; 以及第二内部热交换器（10），用于在被注入的减压装置和位于室内热交换器和第一减压装置之间的制冷剂之间进行减压的制冷剂之间进行热交换。

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