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公开(公告)号：US10018389B2
公开(公告)日：2018-07-10
申请号：US14361421
申请日：2011-12-22
CPC分类号： F25B49/02 , F25B1/10 , F25B13/00 , F25B29/003 , F25B41/043 , F25B49/027 , F25B2313/02741 , F25B2313/0312 , F25B2500/19 , F25B2600/021 , F25B2600/0271 , F25B2600/2513 , F25B2700/1931 , F25B2700/1933 , F25B2700/2106 , F25B2700/21151 , F25B2700/21152 , F25B2700/21163 , Y02B30/741
摘要： An air-conditioning apparatus including a refrigeration cycle configured by connecting one or more load-side units including a load-side heat exchanger and a load-side expansion device with a heat-source-side unit including a heat-source-side heat exchanger and a compressor and by causing refrigerant to circulate through a refrigerant circuit including the load-side heat exchanger, the load-side expansion device, the heat-source-side heat exchanger, and the compressor, controls, during a heating operation, the opening degree of the load-side expansion device, based on the discharge pressure of the compressor, so that the pressure of refrigerant at the outlet of the compressor becomes equal to a target pressure, in the case where the operation capacity of the compressor is approximately at the maximum value of the operation capacity of the compressor.
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公开(公告)号：US20140331702A1
公开(公告)日：2014-11-13
申请号：US14361421
申请日：2011-12-22
CPC分类号： F25B49/02 , F25B1/10 , F25B13/00 , F25B29/003 , F25B41/043 , F25B49/027 , F25B2313/02741 , F25B2313/0312 , F25B2500/19 , F25B2600/021 , F25B2600/0271 , F25B2600/2513 , F25B2700/1931 , F25B2700/1933 , F25B2700/2106 , F25B2700/21151 , F25B2700/21152 , F25B2700/21163 , Y02B30/741
摘要： An air-conditioning apparatus including a refrigeration cycle configured by connecting one or more load-side units including a load-side heat exchanger and a load-side expansion device with a heat-source-side unit including a heat-source-side heat exchanger and a compressor and by causing refrigerant to circulate through a refrigerant circuit including the load-side heat exchanger, the load-side expansion device, the heat-source-side heat exchanger, and the compressor, controls, during a heating operation, the opening degree of the load-side expansion device, based on the discharge pressure of the compressor, so that the pressure of refrigerant at the outlet of the compressor becomes equal to a target pressure, in the case where the operation capacity of the compressor is approximately at the maximum value of the operation capacity of the compressor.
摘要翻译： 一种空调装置，其具有将包括负载侧热交换器和负载侧膨胀装置的一个以上的负载侧单元与具有热源侧热交换器的热源侧单元连接而构成的制冷循环 并且通过使制冷剂通过包括负载侧热交换器，负载侧膨胀装置，热源侧热交换器和压缩机的制冷剂回路循环，在制热运转时控制开关 基于压缩机的排出压力，负荷侧膨胀装置的压力等于压缩机出口处的制冷剂的压力等于目标压力，在压缩机的运行能力大致为 压缩机的运行能力的最大值。
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公开(公告)号：US08820106B2
公开(公告)日：2014-09-02
申请号：US12990391
申请日：2008-10-29
申请人： Shinichi Wakamoto , Koji Yamashita , Takashi Okazaki , Naoki Tanaka , Keisuke Hokazono , Hiroyuki Morimoto , Yuji Motomura , Takeshi Hatomura , Tomohiko Kasai , Naofumi Takenaka , Yusuke Shimazu
发明人： Shinichi Wakamoto , Koji Yamashita , Takashi Okazaki , Naoki Tanaka , Keisuke Hokazono , Hiroyuki Morimoto , Yuji Motomura , Takeshi Hatomura , Tomohiko Kasai , Naofumi Takenaka , Yusuke Shimazu
CPC分类号： F25B13/00 , F25B25/005 , F25B2313/006 , F25B2313/0231 , F25B2313/0272 , F25B2313/02741
摘要： A heat source-side refrigerant circuit A including a compressor 11, an outdoor heat exchanger 13, a first refrigerant branch portion 21 connected to the compressor 11, a second refrigerant branch portion 22 and a third refrigerant branch portion 23 connected to the outdoor heat exchanger 13, a first refrigerant flow rate control device 24 provided between branch piping 40 and the second refrigerant branch portion 22, intermediate heat exchangers 25n connected at one side thereof to the first refrigerant branch portion 21 and the third refrigerant branch portion 23 via three-way valves 26n and connected at the other side thereof to the second refrigerant branch portion 22, and second refrigerant flow rate control devices 27n provided between the respective intermediate heat exchangers 25n and the second refrigerant branch portion 22, and user-side refrigerant circuits Bn having indoor heat exchangers 31n connected respectively to the intermediate heat exchangers 25n are provided, and at least one of water and an antifreeze solution circulates in the user-side refrigerant circuits Bn.
摘要翻译： 包括压缩机11，室外热交换器13，与压缩机11连接的第一制冷剂分支部21，第二制冷剂分支部22和与室外热交换器连接的第三制冷剂分支部23的热源侧制冷剂回路A 如图13所示，在分支配管40和第二制冷剂分支部22之间设置有第一制冷剂流量控制装置24，在一侧与第一制冷剂分支部21连接的中间热交换器25n和通过三通的第三制冷剂分支部23 阀26n的另一侧连接到第二制冷剂分支部22，以及设置在各中间热交换器25n和第二制冷剂分支部22之间的第二制冷剂流量控制装置27n，以及室内的制冷剂回路Bn 设置分别与中间热交换器25n连接的热交换器31n， 水和防冻溶液中的至少一种循环在用户侧制冷剂回路Bn中。
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公开(公告)号：US20140165635A1
公开(公告)日：2014-06-19
申请号：US14236339
申请日：2012-08-15
IPC分类号： F25B30/02
CPC分类号： F25B30/02 , F25B13/00 , F25B25/005 , F25B49/02 , F25B2313/003 , F25B2313/0231 , F25B2313/02331 , F25B2313/02334 , F25B2313/0272 , F25B2313/02732 , F25B2313/02741 , F25B2313/0292 , F25B2313/0294 , F25B2313/0312 , F25B2313/0313 , F25B2313/0314 , F25B2313/0315 , F25B2341/0662 , F25B2600/2513 , F25B2700/1931 , F25B2700/21152
摘要： A channel on an upstream side of a third expansion device and a channel on an upstream side of a second expansion device are connected during a heating operation, and medium pressure refrigerant generated by the third expansion device during the heating operation is introduced on a suction side of a compressor via the second expansion device and a suction injection pipe.
摘要翻译： 第三膨胀装置的上游侧的通道和第二膨胀装置的上游侧的通道在加热运转中被连接，并且在加热运转中由第三膨胀装置产生的中压制冷剂导入吸入侧 的压缩机经由第二膨胀装置和吸入注入管。
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公开(公告)号：US20120192588A1
公开(公告)日：2012-08-02
申请号：US13501184
申请日：2009-10-28
IPC分类号： F25B1/00
CPC分类号： F25B13/00 , F25B25/005 , F25B49/027 , F25B2313/006 , F25B2313/023 , F25B2313/0231 , F25B2313/0252 , F25B2313/0272 , F25B2313/02741 , F25B2400/04
摘要： To provide an air-conditioning apparatus capable of achieving energy saving. Pump control of controlling the operating capacity of a pump is performed such that the opening degree of a heat medium flow control device, controlled by control of the heat medium flow control device, approaches a target opening degree, and a refrigeration cycle as a refrigerant circuit is controlled such that the temperature of a heat medium, whose flow rate is controlled by the control of the heat medium flow control device and the pump control, approaches a target temperature.
摘要翻译： 提供能够实现节能的空调装置。 执行控制泵的操作能力的泵控制，使得通过控制热介质流量控制装置控制的热介质流量控制装置的开度接近目标开度，以及作为制冷剂回路的制冷循环 被控制为使得通过控制热介质流量控制装置和泵控制来控制流量的热介质的温度接近目标温度。
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公开(公告)号：US10036562B2
公开(公告)日：2018-07-31
申请号：US14408684
申请日：2012-08-03
IPC分类号： F24F11/00 , F24F5/00 , F25B13/00 , F25B47/02 , F25B49/02 , F25B41/00 , F24F11/83 , F24F11/84
CPC分类号： F24F5/001 , F24F11/83 , F24F11/84 , F25B13/00 , F25B41/003 , F25B47/022 , F25B49/02 , F25B2313/0233 , F25B2313/0251 , F25B2313/02732 , F25B2400/13 , F25B2600/2515
摘要： An air-conditioning apparatus divides an outdoor heat exchanger to form parallel heat exchangers and supplies part of refrigerant from a compressor to the parallel heat exchangers alternately to perform defrosting, performs medium-pressure defrosting in which part of the refrigerant from the compressor is decompressed and supplied to a parallel heat exchanger to be subjected to defrosting, and the refrigerant after being used for defrosting is injected into the compressor. A first flow switching unit performs switching of a connection mode of ends of the parallel heat exchangers on compressor side, where the pressure changes among high pressure, medium pressure, and low pressure according to operation contents, to one of three modes: a mode with the ends connected to the compressor discharge side, a mode with the ends connected to the compressor suction side, and a mode with the ends connected to neither the discharge nor suction side.
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公开(公告)号：US09316420B2
公开(公告)日：2016-04-19
申请号：US13501184
申请日：2009-10-28
CPC分类号： F25B13/00 , F25B25/005 , F25B49/027 , F25B2313/006 , F25B2313/023 , F25B2313/0231 , F25B2313/0252 , F25B2313/0272 , F25B2313/02741 , F25B2400/04
摘要： An air-conditioning apparatus including a refrigerant circuit having an excess refrigerant recovery pipe connected between an inlet of at least one of heat source side heat exchangers and a first refrigerant flow blocking device or between an outlet of the at least one of the heat source side heat exchangers and a second refrigerant flow blocking device, to a passage connected to a suction side of a compressor, and an excess refrigerant recovery device disposed in the excess refrigerant recovery pipe.
摘要翻译： 一种空调装置，包括制冷剂回路，该制冷剂回路具有连接在至少一个热源侧热交换器的入口与第一制冷剂阻流装置之间或者至少一个热源侧的出口之间的多余的制冷剂回收管 热交换器和第二制冷剂阻流装置连接到连接到压缩机的吸入侧的通道，以及设置在过剩制冷剂回收管中的过量的制冷剂回收装置。
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公开(公告)号：US20150292756A1
公开(公告)日：2015-10-15
申请号：US14408684
申请日：2012-08-03
CPC分类号： F24F5/001 , F24F11/83 , F24F11/84 , F25B13/00 , F25B41/003 , F25B47/022 , F25B49/02 , F25B2313/0233 , F25B2313/0251 , F25B2313/02732 , F25B2400/13 , F25B2600/2515
摘要： An air-conditioning apparatus divides an outdoor heat exchanger to form parallel heat exchangers and supplies part of refrigerant from a compressor to the parallel heat exchangers alternately to perform defrosting, performs medium-pressure defrosting in which part of the refrigerant from the compressor is decompressed and supplied to a parallel heat exchanger to be subjected to defrosting, and the refrigerant after being used for defrosting is injected into the compressor. A first flow switching unit performs switching of a connection mode of ends of the parallel heat exchangers on compressor side, where the pressure changes among high pressure, medium pressure, and low pressure according to operation contents, to one of three modes: a mode with the ends connected to the compressor discharge side, a mode with the ends connected to the compressor suction side, and a mode with the ends connected to neither the discharge nor suction side.
摘要翻译： 空调机将室外热交换器分割成平行热交换器，交替地将一部分制冷剂从压缩机供给到并列热交换器，进行除霜，进行中压除霜，其中来自压缩机的部分制冷剂减压， 供给到要进行除霜的平行热交换器，并且用于除霜的制冷剂被注入到压缩机中。 第一流量切换单元进行压缩机侧的并联热交换器的端部的连接方式的切换，压缩机侧的压力根据运行内容在高压，中压和低压之间变化，进行三种模式之一的切换： 连接到压缩机排出侧的端部，端部连接到压缩机吸入侧的模式，以及端部既不连接到排出侧也不吸入侧的模式。
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公开(公告)号：US20110088421A1
公开(公告)日：2011-04-21
申请号：US12990391
申请日：2008-10-29
申请人： Shinichi Wakamoto , Koji Yamashita , Takashi Okazaki , Naoki Tanaka , Keisuke Hokazono , Hiroyuki Morimoto , Yuji Motomura , Takeshi Hatomura , Tomohiko Kasai , Naofumi Takenaka , Yusuke Shimazu
发明人： Shinichi Wakamoto , Koji Yamashita , Takashi Okazaki , Naoki Tanaka , Keisuke Hokazono , Hiroyuki Morimoto , Yuji Motomura , Takeshi Hatomura , Tomohiko Kasai , Naofumi Takenaka , Yusuke Shimazu
CPC分类号： F25B13/00 , F25B25/005 , F25B2313/006 , F25B2313/0231 , F25B2313/0272 , F25B2313/02741
摘要： A heat source-side refrigerant circuit A including a compressor 11, an outdoor heat exchanger 13, a first refrigerant branch portion 21 connected to the compressor 11, a second refrigerant branch portion 22 and a third refrigerant branch portion 23 connected to the outdoor heat exchanger 13, a first refrigerant flow rate control device 24 provided between branch piping 40 and the second refrigerant branch portion 22, intermediate heat exchangers 25n connected at one side thereof to the first refrigerant branch portion 21 and the third refrigerant branch portion 23 via three-way valves 26n and connected at the other side thereof to the second refrigerant branch portion 22, and second refrigerant flow rate control devices 27n provided between the respective intermediate heat exchangers 25n and the second refrigerant branch portion 22, and user-side refrigerant circuits Bn having indoor heat exchangers 31n connected respectively to the intermediate heat exchangers 25n are provided, and at least one of water and an antifreeze solution circulates in the user-side refrigerant circuits Bn.
摘要翻译： 包括压缩机11，室外热交换器13，与压缩机11连接的第一制冷剂分支部21，第二制冷剂分支部22和与室外热交换器连接的第三制冷剂分支部23的热源侧制冷剂回路A 如图13所示，在分支配管40和第二制冷剂分支部22之间设置有第一制冷剂流量控制装置24，在一侧与第一制冷剂分支部21连接的中间热交换器25n和通过三通的第三制冷剂分支部23 阀26n的另一侧连接到第二制冷剂分支部22，以及设置在各中间热交换器25n和第二制冷剂分支部22之间的第二制冷剂流量控制装置27n，以及室内的制冷剂回路Bn 设置分别与中间热交换器25n连接的热交换器31n， 水和防冻溶液中的至少一种循环在用户侧制冷剂回路Bn中。
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公开(公告)号：US09759460B2
公开(公告)日：2017-09-12
申请号：US14236339
申请日：2012-08-15
IPC分类号： F25B41/00 , F25B41/04 , F25B27/00 , F25B13/00 , G05B15/00 , F25B29/00 , F25B30/02 , F25B49/02
CPC分类号： F25B30/02 , F25B13/00 , F25B25/005 , F25B49/02 , F25B2313/003 , F25B2313/0231 , F25B2313/02331 , F25B2313/02334 , F25B2313/0272 , F25B2313/02732 , F25B2313/02741 , F25B2313/0292 , F25B2313/0294 , F25B2313/0312 , F25B2313/0313 , F25B2313/0314 , F25B2313/0315 , F25B2341/0662 , F25B2600/2513 , F25B2700/1931 , F25B2700/21152
摘要： A channel on an upstream side of a third expansion device and a channel on an upstream side of a second expansion device are connected during a heating operation, and medium pressure refrigerant generated by the third expansion device during the heating operation is introduced on a suction side of a compressor via the second expansion device and a suction injection pipe.
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