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    • 1. 发明专利
    • Heat exchanger
    • 热交换器
    • JP2014006003A
    • 2014-01-16
    • JP2012142286
    • 2012-06-25
    • Mitsubishi Electric Corp三菱電機株式会社
    • IKEDA SOJIYOSHIMURA SUSUMUMORIMOTO HIROYUKIHATOMURA SUGURUUCHINO SHINICHI
    • F28D7/10
    • PROBLEM TO BE SOLVED: To obtain a heat exchange which is not enlarged, a heat exchanger in which a device performance is not reduced, and a heat exchange in which a pressure resistant strength is not reduced.SOLUTION: The heat exchanger comprises at least a heat conduction member in which at least one first fluid flow passage in which a first fluid flows, at least one second fluid flow passage row where a plurality of second fluid flow passages in which a second fluid exchanging heat with the first fluid flows are provided in a row shape, and at least one third fluid flow passage in which the second fluid flows are formed at least. The second fluid flow passage and the third fluid flow passage are provided in such a manner that the closer to the first fluid flow passage the fluid flow passage becomes, the smaller a sectional area becomes, that the closer to the first fluid flow passage the fluid flow passage becomes, the wider an interval with the closest fluid flow passage belonging to the same row of fluid flow passages provided in the row shape becomes, or that the closer to the first fluid flow passage the fluid flow passage becomes, the smaller the sectional area becomes and the wider the interval with the closest fluid flow passage belonging to the same row of fluid flow passages provided in the row shape becomes.
    • 要解决的问题:为了获得不扩大装置性能的热交换器和耐压强度不降低的热交换器而获得没有扩大的热交换器。热交换器包括至少一个 导热构件,其中第一流体流过的至少一个第一流体流动通道,至少一个第二流体流动通道列,其中与第一流体的第二流体交换热流过的多个第二流体流动通道设置在 至少形成有第二流体流动的至少一个第三流体流动通道。 第二流体流动通道和第三流体流动通道设置成使得流体流动通道变得越接近第一流体流动通道,截面面积越小,越接近第一流体流动通道,流体 流动通道变得越靠近设置在行形状的同一排流体流动通道中的最接近的流体流动通道的间隔越宽,流体流动通道越接近第一流体流动通道越小, 区域变得越来越宽,与排列形状相同的流体流路的最接近的流体流动通道的间隔越宽。
    • 2. 发明专利
    • Outdoor heat exchanger and refrigerating cycle device mounted with the same
    • 户外热交换器和与之相连的制冷循环装置
    • JP2010038408A
    • 2010-02-18
    • JP2008199903
    • 2008-08-01
    • Mitsubishi Electric Corp三菱電機株式会社
    • MOTOMURA YUJIOKAZAKI TAKASHIHATOMURA SUGURUMORIMOTO HIROYUKI
    • F25B1/10F25B1/00F25B11/02F25B39/04
    • PROBLEM TO BE SOLVED: To provide an outdoor heat exchanger having a heat source side heat exchanger and a gas cooler which share plate-shaped fins and are integrated with each other and improving heat exchange effectiveness between the heat source side heat exchanger and the gas cooler by minimizing heat exchange between them, and a refrigerating cycle device mounted with the outdoor heat exchanger.
      SOLUTION: In the outdoor heat exchanger, plural heat transfer pipes 401 which are inserted orthogonally to the plate-shaped fins 402 and to which a refrigerant is introduced are provided in first and second outdoor heat exchangers 3a, 3b. The heat transfer pipes 401 are arranged so that heat quantity transferred from the high temperature side to the low temperature side due to a difference between the temperature of the refrigerant introduced to the heat transfer pipe 401 of the first outdoor heat exchanger 3a in a proximity part where the first and second outdoor heat exchangers 3a, 3b are made closest to each other and the temperature of the refrigerant introduced to the heat transfer pipe 401 of the second outdoor heat exchanger 3b is set to be 50% or less with respect to the total heat quantity.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 解决的问题:提供一种具有热源侧热交换器和共用板状翅片的气体冷却器的室外热交换器,其彼此一体化并且提高热源侧热交换器与热源侧热交换器之间的热交换效果 气体冷却器通过使它们之间的热交换最小化,以及安装有室外热交换器的制冷循环装置。 解决方案:在室外热交换器中,在第一和第二室外热交换器3a,3b中设置有多个与板状翅片402正交插入并且被引入制冷剂的传热管401。 传热管401被布置成使得从高温侧向低温侧传递的热量由于在邻近部分中引入到第一室外热交换器3a的传热管401的制冷剂的温度之间的差 其中第一室外热交换器3a和第二室外热交换器3b彼此最接近,并且引入到第二室外热交换器3b的传热管401的制冷剂的温度相对于总量设定为50%以下 热量。 版权所有(C)2010,JPO&INPIT
    • 3. 发明专利
    • Air conditioner
    • 冷气机
    • JP2013015264A
    • 2013-01-24
    • JP2011148471
    • 2011-07-04
    • Mitsubishi Electric Corp三菱電機株式会社
    • TANAKA KOYUYAMASHITA KOJIHATOMURA SUGURUWAKAMOTO SHINICHITAKENAKA NAOFUMI
    • F25B1/00
    • PROBLEM TO BE SOLVED: To provide an air conditioner capable of achieving a highly efficient operation as a whole even under various operation conditions.SOLUTION: The air conditioner includes a main refrigerant circuit configured by annularly connecting a compressor 3 having an injection port serving as a refrigerant passage in the middle part of a compression process for compressing and discharging a sucked refrigerant, a four-way valve 4, a heat source side throttle device 11, a heat source side heat exchanger 12, a load side throttle device 8, and a load side heat exchanger 6, and one or more flow path switching refrigerant circuit 20 including a bypass throttle device 14a for reducing the pressure of a refrigerant branched from the main refrigerant circuit, an internal heat exchanger 9a for exchanging heat between a refrigerant passed through the bypass throttle device 14a and a refrigerant passed through the main refrigerant circuit and a flow path switching valve 16a for setting a flow path through which the refrigerant heat-exchanged by the internal heat exchanger 9a is supplied to one of the injection port or the suction side of the compressor.
    • 要解决的问题:即使在各种操作条件下,也能够提供能够实现高效运行的空调机。 解决方案:空调包括主要制冷剂回路,该主制冷剂回路在压缩过程的中间部分中将具有用作制冷剂通道的喷射口的压缩机3环形连接,以压缩和排出所吸入的制冷剂,四通阀 4,热源侧节流装置11,热源侧热交换器12,负载侧节流装置8和负载侧热交换器6,以及一个或多个流路切换制冷剂回路20,其包括旁通节流装置14a, 降低从主制冷剂回路分支的制冷剂的压力,在通过旁通节流装置14a的制冷剂与通过主制冷剂回路的制冷剂之间进行热交换的内部热交换器9a和流路切换阀16a, 将通过内部热交换器9a热交换的制冷剂供给到喷射口或吸入口中的一个的流路 e的压缩机。 版权所有(C)2013,JPO&INPIT
    • 4. 发明专利
    • Refrigerating cycle device
    • 制冷循环装置
    • JP2009186054A
    • 2009-08-20
    • JP2008023897
    • 2008-02-04
    • Mitsubishi Electric Corp三菱電機株式会社
    • OKAZAKI TAKASHIHATOMURA SUGURU
    • F25B1/00F25B1/10F25B6/02F25B11/02F25B43/02
    • PROBLEM TO BE SOLVED: To provide a refrigerating cycle device improved in performance and reliability, which positively supplying refrigerating machine oil to each of a first compressor and a second compressor.
      SOLUTION: The refrigerating cycle device using an expansion machine 5a and the second compressor 5b driven by recovered power of the expansion machine 5a is provided with an oil separator 60 at an outlet part of the first compressor 1. The refrigerating cycle device has a structure for returning the separated oil to a suction part of the second compressor 5b to positively supply the oil to the second compressor 5b, and reduces an oil circulating rate inside a refrigerating cycle.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种提高性能和可靠性的制冷循环装置,其将制冷机油积极供应到第一压缩机和第二压缩机中的每一个。 解决方案:使用膨胀机5a的冷冻循环装置和由膨胀机5a的回收功率驱动的第二压缩机5b在第一压缩机1的出口部分设置有分油器60.制冷循环装置具有 用于将分离的油返回到第二压缩机5b的吸入部的结构,以向第二压缩机5b肯定地供给油,并且降低制冷循环内的油循环率。 版权所有(C)2009,JPO&INPIT
    • 5. 发明专利
    • Liquid receiver and refrigerating cycle device using the same
    • 液体接收器和使用其的制冷循环装置
    • JP2012007864A
    • 2012-01-12
    • JP2010146440
    • 2010-06-28
    • Mitsubishi Electric Corp三菱電機株式会社
    • SHIMOJI MIHOKOKODA TOSHIHIDETAKENAKA NAOFUMITAMURA ASAKOWAKAMOTO SHINICHIKAGA KUNIHIKOHATOMURA SUGURUYAMASHITA KOJIMORIMOTO HIROYUKI
    • F25B43/02F25B1/00F25B43/00
    • PROBLEM TO BE SOLVED: To provide a liquid receiver using oil which has oil density lower than refrigerant density and becomes non-compatible or weakly compatible in a low evaporation temperature region and can highly efficiently return oil to a compressor in a board operating condition.SOLUTION: An accumulator 50 includes: a first closed container 1; an inlet pipe 2 opened in an upper space of the first closed container 1; a first oil return pipe 5 opened in a lower space of the first closed container 1; a second closed container 6 provided on the downstream side of the first closed container 1; an overflow pipe 4 continued to the first closed container 1 and the second closed container 6 and having an upstream side opened at predetermined height within the first closed container 1 and a downstream side opened in an upper space of the second closed container 6; a second oil return pipe 9 opened in a lower space of the second closed container 6; an outlet pipe 3 opened in the upper space of the second closed container 6; and a refrigerant injection pipe 10 fluctuating the retention state of refrigerating machine oil and a refrigerant stored in the second closed container 6.
    • 要解决的问题:提供一种油密度低于制冷剂密度的油接收器,并且在低蒸发温度区域中变得不兼容或弱相容性,并且可以高效地将油返回到操作板中的压缩机 条件。 蓄能器50包括:第一密封容器1; 在第一密闭容器1的上部空间内开口的入口管2; 在第一密闭容器1的下部空间中开放的第一回油管5; 设置在第一密闭容器1的下游侧的第二密闭容器6; 溢流管4连续到第一密封容器1和第二密封容器6,并且具有在第一密闭容器1内的预定高度开口的上游侧和在第二密闭容器6的上部空间中开口的下游侧; 第二回油管9,其在第二密闭容器6的下部空间中开口; 在第二密闭容器6的上部空间内开口的出口管3; 制冷剂喷射管10使冷冻机油和存储在第二密闭容器6中的制冷剂的保持状态发生变动。版权所有(C)2012,JPO&INPIT
    • 6. 发明专利
    • Liquid receiver and refrigerating cycle device using the same
    • 液体接收器和使用其的制冷循环装置
    • JP2011163671A
    • 2011-08-25
    • JP2010027729
    • 2010-02-10
    • Mitsubishi Electric Corp三菱電機株式会社
    • SHIMOJI MIHOKOWAKAMOTO SHINICHIHATOMURA SUGURU
    • F25B43/00F25B43/02
    • PROBLEM TO BE SOLVED: To provide a liquid receiver capable of suppressing a liquid refrigerant amount made to flow in a compressor and efficiently executing necessary amount of oil return to the compressor and a highly reliable refrigerating cycle device using the liquid receiver.
      SOLUTION: Density inversion of a refrigerant and oil is performed, and non-compatible or slightly compatible oil is applied. In an accumulator 10, an oil recovery hole 4e is formed in a position higher than that of a first oil return hole 5, and a flow passage from an opening end of an outlet pipe 3 up to a communication hole 4i is formed independently of a flow passage from an oil recovery hole 4 of a perforated pipe 40 up to the communication hole 4i.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 解决的问题:提供一种能够抑制在压缩机中流动的液体制冷剂量并且有效地执行对压缩机的必要回油量的液体接收器以及使用该液体接收器的高度可靠的制冷循环装置。

      解决方案:执行制冷剂和油的密度反转,并且施加不兼容或稍微相容的油。 在蓄能器10中,油回收孔4e形成在比第一回油孔5高的位置,并且从出口管3的开口端到连通孔4i的流路与 从穿孔管40的油回收孔4到连通孔4i的流动通道。 版权所有(C)2011,JPO&INPIT

    • 7. 发明专利
    • Heat exchanger and refrigerating air conditioner
    • 热交换器和制冷空调
    • JP2010175158A
    • 2010-08-12
    • JP2009019049
    • 2009-01-30
    • Mitsubishi Electric Corp三菱電機株式会社
    • YOSHIMURA SUSUMUSATAKE SACHIHIKOTSUSHIMA HIROYUKIYABUUCHI HIRONORIHATOMURA SUGURUSEKIYA TAKUNAKADEGUCHI SHINJI
    • F28D7/00F28F1/02
    • F28D7/0033
    • PROBLEM TO BE SOLVED: To obtain a heat exchanger improving heat transfer performance without increasing production cost and an efficient refrigerating air conditioner.
      SOLUTION: The heat exchanger includes a flat first flat tube 1 having a plurality of first refrigerant passages 1a which are formed inside and where a first refrigerant is made to flow, and a flat second flat tube 2 having second refrigerant flow passages 2a where a second refrigerant is made to flow. The first and second flat tubes 1, 2 are arranged so that the refrigerant flowing directions become in parallel, and the first flat tube 1 is bent so that the entire cross sectional shape in the direction vertical to the flowing direction of the first refrigerant is along the outer shape of the second flat tube 2.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了获得提高传热性能而不增加生产成本的热交换器和有效的制冷空调。 解决方案:热交换器包括平坦的第一扁平管1,其具有形成在内部并且第一制冷剂流动的多个第一制冷剂通道1a和具有第二制冷剂流动通道2a的扁平的第二扁平管2 其中使第二制冷剂流动。 第一和第二扁平管1,2被布置成制冷剂流动方向平行,并且第一扁平管1被弯曲,使得沿与第一制冷剂的流动方向垂直的方向上的整个横截面形状沿着 第二扁平管2的外形。版权所有(C)2010,JPO&INPIT
    • 8. 发明专利
    • Refrigeration cycle device
    • 制冷循环装置
    • JP2014089042A
    • 2014-05-15
    • JP2013267859
    • 2013-12-25
    • Mitsubishi Electric Corp三菱電機株式会社
    • YAMASHITA KOJIMORIMOTO HIROYUKIHATOMURA SUGURU
    • F25B41/00C09K5/04F24F5/00F24F11/02F25B1/00F25B13/00
    • F25B2313/0231Y02P20/124Y02P20/544
    • PROBLEM TO BE SOLVED: To cope with a situation where refrigeration oil flowing together with coolant is not separated evenly at a flow passage branch part in which the refrigeration oil must be separated evenly.SOLUTION: A refrigeration cycle device includes a flow diverter 14 that has a refrigeration circuit for refrigeration cycle passing coolant transiting to a supercritical state and diverts high-pressure liquid coolant in a subcritical state to two or more flow passages. The flow diverter 14 is installed in a substantially horizontal direction or in a substantially upward vertical direction with respect to a flow direction at the liquid state of coolant, and thereby the refrigeration oil is diverted evenly, and conveyance power of a heat medium can be suppressed and energy saving property can be enhanced without impairing heat exchange performance.
    • 要解决的问题:为了解决在冷冻机油必须均匀分离的流路分支部分处与冷却剂一起流动的冷冻机油不均匀分离的情况。解决方案:一种制冷循环装置,包括分流器14,其具有 制冷循环使制冷循环通过冷却剂过渡到超临界状态,并将亚临界状态的高压液体冷却剂转移到两个或更多个流动通道。 流量分配器14相对于冷却剂的液体状态下的流动方向在大致水平方向或大致向上的垂直方向上安装,从而使冷冻机油均匀地转向,并且能够抑制热介质的输送功率 可以提高节能性,而不会损害热交换性能。
    • 10. 发明专利
    • Air conditioner
    • 冷气机
    • JP2009236461A
    • 2009-10-15
    • JP2008086355
    • 2008-03-28
    • Mitsubishi Electric Corp三菱電機株式会社
    • SOTOZONO KEISUKEHATOMURA SUGURU
    • F25B29/00F25B1/00F25B13/00
    • PROBLEM TO BE SOLVED: To provide an air conditioner can improve COP in cooling and heating simultaneous operation.
      SOLUTION: In an air conditioning system connecting an outdoor unit 100 to a plurality of indoor units 301-303 by a flow dividing controller 200 and constituting one refrigerating cycle using supercritical fluid, the outdoor unit 100 and the flow dividing controller 200 are connected by three pipes of a high pressure pipe, a low pressure pipe, and a high temperature gas pipe. The flow dividing controller 200 and the plurality of indoor units 301-303 are connected by two pipes of a high pressure pipe 700 and a low pressure pipe 800.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种空调可以提高冷却和加热同时操作中的COP。 解决方案:在通过分流控制器200将室外单元100连接到多个室内单元301-303并使用超临界流体构成一个制冷循环的空调系统中,室外单元100和分流控制器200是 通过高压管道,低压管道和高温气体管道的三个管道连接。 分流控制器200和多个室内单元301-303通过高压管700和低压管800的两个管连接。版权所有(C)2010,JPO&INPIT