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1. 发明专利

JP2013152076A Multi type air conditioner 审中-公开
标题翻译：多类型空调
公开(公告)号：JP2013152076A
公开(公告)日：2013-08-08
申请号：JP2013080072
申请日：2013-04-08
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： NAGAMATSU SHINICHIRO , TEZUKA JUNICHIRO , KAWAGUCHI HIROYUKI , IWASHINA YOSHINORI , WATANABE MASAKEI
IPC分类号： F25B13/00 , F25B41/00
摘要： PROBLEM TO BE SOLVED: To provide an energy-saving air conditioner capable of being installed on the veranda of a highrise condominium, of reducing the number of connection piping between a plurality of utilization units and a plurality of heat source units, and of shortening a distance between the heat source units and the utilization units, thereby suppressing the deterioration of performance caused by piping pressure loss.SOLUTION: An air conditioner comprises: a plurality of utilization units, a plurality of heat source units, and liquid connection piping 14 and gas connection piping 15, which are disposed between these units for making a liquid refrigerant and a gas refrigerant flow respectively. The plurality of heat source units are arranged in parallel almost horizontally with respect to an installation surface. The liquid connection piping and the gas connection piping form common connection piping 14, 15 which connect the plurality of heat source units and the plurality of utilization units. A blower of the heat source unit is configured to send air in a horizontal direction with respect to the installation surface. In each heat source unit, a check valve is arranged on the discharge side of the compressor for preventing the intrusion of the gas refrigerant from the gas connection piping, and a gas-liquid separator is arranged on the suction side of the compressor for preventing the intrusion of the liquid refrigerant.
摘要翻译：要解决的问题：为了提供能够安装在高层公寓的阳台上的节能空调，减少多个利用单元与多个热源单元之间的连接管道的数量，以及缩短热源单元和利用单元之间的距离，从而抑制由管道压力损失引起的性能劣化。空调器包括：多个利用单元，多个热源单元和液体连接管道14和气体连接配管15分别设置在这些用于制造液体制冷剂的单元和气体制冷剂流之间。多个热源单元相对于安装表面几乎水平地平行地布置。液体连接管道和气体连接管道形成连接多个热源单元和多个利用单元的公共连接管道14,15。热源单元的鼓风机构造成相对于安装表面沿水平方向发送空气。在每个热源单元中，在压缩机的排出侧设置止回阀，以防止气体制冷剂从气体连接配管的入侵，并且在压缩机的吸入侧设置气液分离器，以防止液体制冷剂入侵。

2. 发明专利

JP2010276250A Air conditioner 有权
标题翻译：冷气机
公开(公告)号：JP2010276250A
公开(公告)日：2010-12-09
申请号：JP2009128180
申请日：2009-05-27
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： FURUTA HIROTAKA , KAWAGUCHI HIROYUKI , TEZUKA JUNICHIRO
IPC分类号： F25B43/00 , F04B39/04 , F04B39/16 , F25B1/00
摘要： PROBLEM TO BE SOLVED: To provide an air conditioner capable of simplifying a configuration and installation work and having oil separators capable of uniformizing the amount of refrigerating machine oil returned to each compressor of a plurality of outdoor units operated in parallel.
SOLUTION: A refrigerating cycle is formed by interconnecting the plurality of compressors in parallel. The oil separator 9 including a cylindrical container 22, an inner cylinder 23 concentrically inserted from a tip of the cylindrical container 22 and opened in the cylindrical container 22, a gas refrigerant inlet pipe 27 for introducing a gas refrigerant to the tangential direction of the cylindrical container 22, a gas refrigerant outlet pipe 35 communicating with the inside of the inner cylinder 23 and a return pipe extracting refrigerant machine oil stored in the cylindrical container 22 and returning the refrigerant machine oil to the compressor is inserted and connected to a refrigerant discharge pipe of each of the compressors 1. An interval between the cylindrical container 22 and the inner cylinder 23 is formed to be the inner diameter of the gas refrigerant inlet pipe 27 or smaller.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够简化配置和安装工作的空调机，并且具有能够使返回到并行操作的多个室外机的每个压缩机的冷冻机油的量均匀化的油分离器。解决方案：通过并联连接多个压缩机来形成制冷循环。包括圆柱形容器22的油分离器9和从圆筒形容器22的顶端同心地插入并在圆筒形容器22中开口的内筒23，气体制冷剂入口管27用于将气体制冷剂引导到圆筒形容器22的切线方向容器22，与内筒23的内部连通的气体制冷剂出口管35和存储在圆筒形容器22中并将制冷剂机油返回到压缩机的回流管提取制冷机油被插入并连接到制冷剂排出管每个压缩机1之间的间隔。圆筒形容器22和内筒23之间的间隔形成为气体制冷剂入口管27的内径或更小。版权所有（C）2011，JPO＆INPIT

3. 发明专利

JP2010203733A Air conditioning device 有权
标题翻译：空调设备
公开(公告)号：JP2010203733A
公开(公告)日：2010-09-16
申请号：JP2009052359
申请日：2009-03-05
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： URATA KAZUMIKI , YOSHIDA YASUTAKA , NAITO KOJI , TEZUKA JUNICHIRO
IPC分类号： F25B1/00 , F25B43/00
摘要： PROBLEM TO BE SOLVED: To provide an air conditioning device capable of securing an oil quantity of each outdoor unit at a specific quantity or larger by an inexpensive constitution without using an oil equalization pipe. SOLUTION: In the air conditioning device constituted by connecting the plurality of outdoor units 1a, 1b, an accumulator 8a of the outdoor unit 1a and an accumulator 8b of the outdoor unit 1b have oil return holes 15, 16 at a lower section and an intermediate section of a lead-out pipe 14 in a container 18 as second oil flow rate adjusting mechanisms. An oil flow rate of the lead-out pipe 14 is made to be not larger than that of the oil flowing into the container 18 from an oil separator in the case that a height of a liquid level in the container 18 is lower than that of the second oil return hole 16, on the other hand, an oil flow rate of the lead-out pipe 14 is larger than the flow rate of the oil flowing into the container 18 from the oil separator in the case that the height of the liquid level in the container 18 is set above the oil return hole 16. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种空调装置，其能够通过廉价的构造在不使用均油管的情况下将每个室外机的油量确定在特定量以上。解决方案：在通过连接多个室外单元1a，1b构成的空调装置中，室外单元1a的蓄压器8a和室外单元1b的蓄压器8b在下部具有回油孔15,16 以及作为第二油流量调节机构的容器18中的引出管14的中间部。在容器18的液面高度低于容器18的液面高度的情况下，引出管14的油流量不大于从油分离器流入容器18的油的油流量另一方面，第二回油孔16的导出管14的油流量大于从油分离器流入容器18的油的流量，在液体的高度容器18中的高度设置在回油孔16的上方。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2012047375A Air conditioning system 有权
标题翻译：空调系统
公开(公告)号：JP2012047375A
公开(公告)日：2012-03-08
申请号：JP2010188477
申请日：2010-08-25
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： NAGAMATSU SHINICHIRO , TEZUKA JUNICHIRO , KAWAGUCHI HIROYUKI , IWASHINA YOSHINORI , WATANABE MASAKEI
IPC分类号： F24H1/00
CPC分类号： F24F3/065 , F24D17/0005 , F24D17/02 , F24D2200/123 , F24D2200/31 , F24F1/26 , F24F1/30 , F24F3/06 , F24F11/30 , F24H6/00 , F25B13/00 , F25B49/02 , F25B2313/003 , F25B2313/007 , F25B2313/023 , F25B2313/0231 , F25B2313/025 , F25B2313/02743 , Y02B10/70
摘要： PROBLEM TO BE SOLVED: To provide an air conditioning system to which a hot water supply unit can be added.SOLUTION: An air conditioning system includes a heat source-side unit 12, a plurality of use-side units 16, a high-pressure gas pipe 28, a low-pressure gas pipe 29, a liquid pipe 30, and a controller or the like connecting the heat source-side unit with the use-side units via a transmission line and controlling them. The controller stores a control program A for the case where the use-side units are connected, and a control program B for the case where the hot water supply unit is connected in addition to the use-side units. The hot water supply unit is connected to the liquid pipe and the high-pressure gas pipe, which connect the heat source-side unit with the use-side units, and the hot water supply unit is connected to the transmission line, so that the controller recognizes the connection of the hot water supply unit and thereby the controller controls the heat source-side unit, the use-side units and the hot water supply unit according to the control program B.
摘要翻译：要解决的问题：提供可以添加热水供应单元的空调系统。解决方案：空调系统包括热源侧单元12，多个使用侧单元16，高压气体管28，低压气体管29，液体管30和控制器等通过传输线将热源侧单元与使用侧单元连接并进行控制。控制器存储用于连接使用侧单元的情况下的控制程序A以及除了使用侧单元之外的热水供给单元的情况下的控制程序B. 热水供应单元连接到液体管，并且将热源侧单元与利用侧单元连接的高压气体管和热水供应单元连接到传输线，使得控制器识别热水供应单元的连接，由此控制器根据控制程序B控制热源侧单元，使用侧单元和热水供应单元。（C）2012年， JPO＆INPIT

5. 发明专利

JP2010048506A Multi-air conditioner 审中-公开
标题翻译：多空调
公开(公告)号：JP2010048506A
公开(公告)日：2010-03-04
申请号：JP2008214786
申请日：2008-08-25
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： NAITO KOJI , YOSHIDA YASUTAKA , URATA KAZUMIKI , TEZUKA JUNICHIRO
IPC分类号： F24F11/02 , F25B13/00
摘要： PROBLEM TO BE SOLVED: To prevent excess accumulation of a refrigerant in a compressor of a part of outdoor units even when the outdoors units in a heating/cooling operation state and in a stop state are mixed in the plurality of outdoor units. SOLUTION: A plurality of indoor units 40a-40d respectively comprise indoor heat exchangers 41a-41d and indoor expansion valves 42a-42d, and the plurality of outdoor units 10a, 10b respectively comprise the compressors 11a, 11b, check valves 12a, 12b, four-way valves 13a, 13b, outdoor heat exchangers 14a, 14b, and outdoor expansion valves 15a, 15b. The plurality of indoor units and the plurality of outdoor units are connected by liquid connection piping 35 and gas connection piping 36, opening/closing mechanisms 16a, 16b are respectively disposed between the four-way valve and a suction side of the compressor, and when at least one of the plurality of outdoor units performs the heating operation, the opening/closing mechanism of the stopped outdoor unit among the remaining outdoor units is closed, and the opening/closing mechanism of the outdoor unit performing a defrosting operation is closed, or its opening is adjusted. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：即使在加热/制冷运行状态和停止状态下的室外机组混合在多个室外机中时，也可以防止制冷剂在室外机的一部分的压缩机中的过度积聚。解决方案：多个室内单元40a-40d分别包括室内热交换器41a-41d和室内膨胀阀42a-42d，多个室外单元10a，10b分别包括压缩机11a，11b，止回阀12a， 12b，四通阀13a，13b，室外热交换器14a，14b和室外膨胀阀15a，15b。多个室内机和多个室外机通过液体连接配管35和气体连接配管36连接，开闭机构16a，16b分别设置在四通阀与压缩机的吸入侧之间，当多个室外机中的至少一个进行制热运转，其余室外机中的停止室外机的开闭机构关闭，进行除霜运转的室外机的开闭机构关闭，或其开放调整。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2011089690A Air conditioner 有权
标题翻译：冷气机
公开(公告)号：JP2011089690A
公开(公告)日：2011-05-06
申请号：JP2009242934
申请日：2009-10-22
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： FUSHIMI NAOYUKI , KAWAGUCHI HIROYUKI , TEZUKA JUNICHIRO , NAGAMATSU SHINICHIRO
IPC分类号： F25B1/00 , F25B39/02
摘要： PROBLEM TO BE SOLVED: To stop operation and prevent freezing when supply of water stops during operation, and when there is no supply of water at compressor starting. SOLUTION: In the air conditioner, an outdoor unit 1 including a plate type heat exchanger 4 having a plate carrying water and a plate carrying a refrigerant, a compressor 2, and an outdoor expansion valve 5; and an indoor unit 23 including an indoor heat exchanger 25 are connected by pieces of refrigerant piping 10, 11. A temperature sensor 9 is included on a side face of the plate type heat exchanger, temperatures of the plate carrying water and the plate carrying the refrigerant are measured by the temperature sensor, and if a value of the temperature sensor becomes a predetermined value or less, operation of the compressor is stopped. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：在运行期间停止供水时以及在压缩机启动时没有水供应时，停止运行并防止冻结。解决方案：在空调机中，包括具有承载水的板式热交换器4和承载制冷剂的板的室外单元1，压缩机2和室外膨胀阀5; 并且包括室内热交换器25的室内机23通过制冷剂配管10,11连接。板式热交换器的侧面包括温度传感器9，承载水的板的温度和承载有制冷剂由温度传感器测量，并且如果温度传感器的值变为预定值或更小，则停止压缩机的操作。版权所有（C）2011，JPO＆INPIT

7. 发明专利

JP2010281544A Air conditioner 有权
标题翻译：冷气机
公开(公告)号：JP2010281544A
公开(公告)日：2010-12-16
申请号：JP2009137238
申请日：2009-06-08
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： FUSHIMI NAOYUKI , KAWAGUCHI HIROYUKI , TEZUKA JUNICHIRO
IPC分类号： F24F11/02 , F25B1/00
摘要： PROBLEM TO BE SOLVED: To provide an air conditioner capable of improving indoor comfort by surely preventing the freezing of water flowing in a heat source-side heat exchanger while increasing a use range of the water flowing in the heat source-side heat exchanger. SOLUTION: The air conditioner 50 includes a refrigerating cycle and a control device 20, and capable of performing a heating operation and a cooling operation. The refrigerating cycle includes a bypass circuit 6 communicating with a liquid pipe 14 at a liquid connection pipe side of a heat source-side electric expansion valve 5, and a low-pressure pipe 11 at a suction side of a liquid receiver 9. The bypass circuit 6 includes a bypass electric expansion valve 8. The control device 20 opens the bypass electric expansion valve 8 at starting a compressor in the heating operation, so that the pressure of the low-pressure pipe 11 is increased in comparison with the case that the bypass electric expansion valve 8 is not opened, and a temperature of a refrigerant flowing in the heat source-side heat exchanger 4 is controlled to be raised. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：解决问题的方案：提供一种能够提高室内舒适性的空调机，其可靠地防止在热源侧热交换器中流动的水的冻结，同时增加在热源侧热交换器中流动的水的使用范围器。解决方案：空调50包括制冷循环和控制装置20，并且能够执行制热操作和冷却操作。制冷循环包括在热源侧电动膨胀阀5的液体连接管侧与液体管14连通的旁路回路6和在液体接收器9的吸入侧的低压管11.旁路电路6包括旁路电动膨胀阀8.控制装置20在加热运转中启动压缩机时打开旁通电动膨胀阀8，与低压管11的压力相比，低压管11的压力升高旁通电动膨胀阀8不被打开，并且在热源侧热交换器4中流动的制冷剂的温度被控制升高。版权所有（C）2011，JPO＆INPIT

8. 发明专利

JP2010156485A Multi-type air conditioner 审中-公开
标题翻译：多类型空调
公开(公告)号：JP2010156485A
公开(公告)日：2010-07-15
申请号：JP2008333995
申请日：2008-12-26
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： NAGAMATSU SHINICHIRO , TEZUKA JUNICHIRO , KAWAGUCHI HIROYUKI , IWASHINA YOSHINORI , WATANABE MASAKEI
IPC分类号： F25B13/00 , F25B41/04 , F25B43/00
摘要： PROBLEM TO BE SOLVED: To provide a multi-type air conditioner installable in a balcony of a high-rise condominium, reducing the number of connection pipes respectively between a plurality of use units and a plurality of heat source units, suppressing degradation of performance caused by piping pressure loss by shortening a distance between the heat source unit and the use unit, to improve energy-saving performance.
SOLUTION: This multi-type air conditioner includes the plurality of use units 12, the plurality of heat source units 13, and a liquid connection pipe 14 and a gas connection pipe 15 disposed between these units to run a liquid refrigerant and a gas refrigerant therein. The plurality of heat source units are respectively disposed approximately horizontally in parallel in relation to installation faces, the liquid connection pipe and the gas connection pipe constitute common connection pipes 14, 15 connecting the plurality of heat source units to the plurality of use units, air blowers of the heat source units are constituted to distribute the air horizontally to the installation faces, each heat source unit is provided with a check valve 16 preventing intrusion of the gas refrigerant from the gas connection pipe to a discharge side of the compressor, and a gas-liquid separator 2 is disposed at a suction side of the compressor to prevent intrusion of the liquid refrigerant to the compressor.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种可安装在高层公寓的阳台中的多型空调，分别减少多个使用单元与多个热源单元之间的连接管道的数量，抑制降解通过缩短热源单元和使用单元之间的距离来控制管道压力损失的性能，从而提高节能性能。解决方案：该多型空调包括多个使用单元12，多个热源单元13，以及设置在这些单元之间的液体连接管14和气体连接管15，以运行液体制冷剂和气体制冷剂。多个热源单元分别相对于安装面大致水平地平行设置，液体连接管和气体连接管构成将多个热源单元连接到多个使用单元的公共连接管14,15，空气热源单元的鼓风机被构造成将空气水平地分配到安装面，每个热源单元设置有止回阀16，该止回阀16防止气体制冷剂从气体连接管侵入压缩机的排出侧，并且气液分离器2设置在压缩机的吸入侧，以防止液体制冷剂侵入压缩机。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2008275216A Air conditioner 审中-公开
标题翻译：冷气机
公开(公告)号：JP2008275216A
公开(公告)日：2008-11-13
申请号：JP2007117229
申请日：2007-04-26
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： FUSHIMI NAOYUKI , NAGAMATSU SHINICHIRO , KAWAGUCHI HIROYUKI , TEZUKA JUNICHIRO
IPC分类号： F24F11/02
摘要： PROBLEM TO BE SOLVED: To reduce power consumption of a compressor and an air distribution fan of an air conditioner and to suppress degradation of heat exchanging performance of a heat exchanger. SOLUTION: This air conditioner is provided with a refrigerating cycle constituted by connecting an outdoor machine 13 comprising the compressors 1, 2, a four-way valve 3, an outdoor heat exchanger 4, an outdoor expansion valve 5 and an outdoor air distribution fan 8, and an indoor machine 12 comprising an indoor expansion valve 9 and an indoor heat exchanger 10 by a refrigerant pipe, and a power control means 21 controlling power consumption of the outdoor machine. The power control means 21 controls the increase and decrease of a rotational frequency of the outdoor air distribution fan by every control period in both of a cooling operation and a heating operation to minimize the total power of the compressor and the outdoor fan, and sets a lower limit value in the control of increase and decrease of the rotational frequency of the outdoor air distribution fan to the rotational frequency free from frost formation of the outdoor heat exchanger. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了降低空调的压缩机和空气分配风扇的功率消耗，并且抑制热交换器的热交换性能的劣化。解决方案：该空气调节装置具有通过连接包括压缩机1,2的外部机器13，四通阀3，室外热交换器4，室外膨胀阀5和室外空气分配风扇8以及包括室内膨胀阀9和室内热交换器10的室内机12，以及控制室外机的消耗电力的动力控制单元21。功率控制单元21在制冷运转和制热运转两者中，控制室外空气分配风扇的转速的增加和减少的每一个控制周期，从而使压缩机和室外风扇的总功率最小化，将室外空气分配风扇的转速的增减的控制的下限值设定为不存在室外热交换器的结霜的旋转频率。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2008128499A Air conditioner and outdoor unit of air conditioner 审中-公开
标题翻译：空调和户外空调机组
公开(公告)号：JP2008128499A
公开(公告)日：2008-06-05
申请号：JP2006310505
申请日：2006-11-16
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： ISHIGAMI TATSUYA , IMAGAWA MASAHARU , KAWAGUCHI HIROYUKI , TEZUKA JUNICHIRO , YAMADA SHINICHIRO
IPC分类号： F24F5/00
摘要： PROBLEM TO BE SOLVED: To reduce noise and vibration accompanying the rotation of a propeller fan. SOLUTION: In this outdoor unit 10 comprising a housing 3, the propeller fan 5 disposed at an upper portion of the housing 3, a duct member 8 disposed in a state of surrounding the propeller fan 5 and having a cylindrical air flow channel, and a heat exchanger 4 disposed at a side portion of the housing 3, sucking the outside air through the heat exchanger 4 by driving the propeller fan 5, and blowing off the heat exchanged-air to the outside of the housing 3, voids 17, 25 are formed inside of the duct member 8. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：减少伴随螺旋桨式风扇旋转的噪音和振动。解决方案：在包括壳体3的室外单元10中，设置在壳体3的上部的螺旋桨式风扇5，以围绕螺旋桨式风扇5的状态设置的管道构件8，具有圆柱形的气流通道以及设置在壳体3的侧部的热交换器4，通过驱动螺旋桨式风扇5吸引外部空气通过热交换器4，并将换热空气吹送到壳体3的外部，使空隙17 ，25形成在管道构件8的内部。版权所有（C）2008，JPO＆INPIT

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