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2. 发明公开

EP0575063A1 Air conditioner 有权转让
标题翻译： Klimatisierungsvorrichtung。
公开(公告)号：EP0575063A1
公开(公告)日：1993-12-22
申请号：EP93304138.6
申请日：1993-05-27
申请人： MITSUBISHI DENKI KABUSHIKI KAISHA
发明人： Hayashida, Noriaki, c/o Mitsubishi Denki K.K. , Tani, Hidekazu, c/o Mitsubishi Denki K.K. , Nakamura, Takashi, c/o Mitsubishi Denki K.K.
IPC分类号： F24F11/00 , F25B29/00
CPC分类号： F25B41/04 , F24F3/065 , F25B13/00 , F25B29/003 , F25B2313/006 , F25B2313/0231
摘要： A multi-chamber heat-pump type air conditioner in which a plurality of room units (2, 3, 4) are connected to one heat source unit (1), cooling and heating can be effected selectively for each room unit (2, 3, 4), and cooling can be effected by one room unit and heating can be simultaneously effected by another, wherein the high-level pressure or low-level pressure is controlled from rising high as compared to the time of normal operation, and the reliability of the compressor (17) is improved. In which, a third pressure-detector (48) is provided for detecting a rise in pressure between a compressor (17) and a four-way changeover valve (18), and a control circuit (49) is provided for controlling such that, in the event that the pressure within the pipe is below a predetermined pressure, a sixth valve (45) and a seventh valve (46) are closed, while in the event that the pressure within the pipe exceeds the predetermined pressure, the sixth valve (45) and seventh valve (46) are opened.
摘要翻译：一种多室式热泵式空调机，其中多个房间单元（2,3,4）连接到一个热源单元（1），可以对每个房间单元（2,3）进行冷却和加热，4），并且可以通过一个房间单元进行冷却，并且可以通过另一个单元同时进行加热，其中与正常操作时相比，高电平压力或低电平压力从上升高度控制，并且可靠性的压缩机（17）。其中，第三压力检测器（48）设置用于检测压缩机（17）和四通换向阀（18）之间的压力上升，并且控制电路（49）用于控制，在管内的压力低于预定压力的情况下，第六阀（45）和第七阀（46）关闭，而在管内的压力超过预定压力的情况下，第六阀（ 45）和第七阀（46）打开。

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