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    REFRIGERATING/AIR CONDITIONING SYSTEM HAVING REFRIGERANT LEARAGE DETECTING FUNCTION, REFRIGERATOR/AIR CONDITIONER AND METHOD FOR DETECTING LEAKAGE OF REFRIGERANT
    14.
    发明公开
    REFRIGERATING/AIR CONDITIONING SYSTEM HAVING REFRIGERANT LEARAGE DETECTING FUNCTION, REFRIGERATOR/AIR CONDITIONER AND METHOD FOR DETECTING LEAKAGE OF REFRIGERANT 审中-公开
    冰箱/空调系统制冷剂泄漏检测功能COOLER /空调和检测方法的制冷剂泄漏

    公开(公告)号：EP1970651A4

    公开(公告)日：2012-08-22

    申请号：EP06810364

    申请日：2006-09-21

    申请人： MITSUBISHI ELECTRIC CORP

    发明人： KUBOTA TSUYOSHI ,  TOYOSHIMA MASAKI ,  MORIMOTO OSAMU

    IPC分类号： F25B49/00

    CPC分类号： F25B49/005 ,  F25B2500/222 ,  F25B2600/01

    摘要： A refrigerating air-conditioning system and a method for detecting a refrigerant leakage capable of automatically detecting a slight refrigerant leakage, while performing an air-conditioning operation, regardless of an environmental condition or installation condition, is provided. Accordingly, a judging means for judging the refrigerant leakage of a refrigerating cycle on the basis of a past data relating to a past refrigerant volume of the refrigerating cycle at a past time point and a new data relating to the refrigerant volume at a time point after performing a plurality of times of sopping and starting up operations of the refrigerating cycle since the past time point, is provided in the refrigerating air-conditioning system constituting a refrigerating cycle by connecting an outdoor unit including a compressor, an outdoor heat exchanger, and a throttling device, and one or a plurality of indoor units each including an indoor heat exchanger and a throttling device with communication piping.

    AIR-CONDITIONING DEVICE
    15.
    发明公开
    AIR-CONDITIONING DEVICE 审中-公开

    公开(公告)号：EP2674686A4

    公开(公告)日：2018-04-04

    申请号：EP11858451

    申请日：2011-02-07

    申请人： MITSUBISHI ELECTRIC CORP

    发明人： UE JUNICHI ,  MORIMOTO OSAMU

    IPC分类号： F24F1/32

    CPC分类号： F25B29/003 ,  F24F1/32 ,  F24F3/065 ,  F25B13/00 ,  F25B25/005 ,  F25B45/00 ,  F25B2313/023 ,  F25B2313/0231 ,  F25B2313/0272 ,  F25B2313/02732 ,  F25B2313/02741 ,  F25B2700/2104

    摘要： In an air-conditioning apparatus 100 capable of a heating operation and having a refrigerant circuit A in which a compressor 10, a refrigerant flow switching device 11, a refrigerant flow path of a heat exchanger related to heat medium 15 that exchanges heat between a refrigerant and a heat medium, an expansion device 16, and a heat source-side heat exchanger 12 are connected by a refrigerant pipe to form a refrigeration cycle, and a heat medium circuit B in which a heat medium flow path of the heat exchanger related to heat medium 15, a pump 21, and a use-side heat exchanger 26 are connected by a heat medium pipe, the air-conditioning apparatus 100 comprises an opening and closing device 28 that is provided in a heat medium supply pipe 38 that supplies the heat medium to the heat medium circuit B from outside the circuit B, and that passes or cuts off the heat medium flowing from the heat medium supply pipe 38 to the heat medium circuit B, and an air release device 27 that is provided in the heat medium circuit B and releases air remaining within the heat medium circuit B, and performs the heating operation while opening the opening and closing device 28 and the air release device 27.

    AIR CONDITIONER
    16.
    发明公开
    AIR CONDITIONER 审中-公开
    KLIMAANLAGE

    公开(公告)号：EP3176522A1

    公开(公告)日：2017-06-07

    申请号：EP15827893

    申请日：2015-07-28

    申请人： MITSUBISHI ELECTRIC CORP

    发明人： TAKENAKA NAOFUMI ,  WAKAMOTO SHINICHI ,  MOTOMURA YUJI ,  MORIMOTO OSAMU ,  KOGE HIROFUMI ,  YAMASHITA KOJI

    IPC分类号： F25B49/02 ,  F24F11/02 ,  F25B1/00 ,  F25B13/00 ,  F25B41/00 ,  F25B41/04

    CPC分类号： F25B13/00 ,  F24F11/89 ,  F25B1/00 ,  F25B41/00 ,  F25B41/04 ,  F25B49/02 ,  F25B2313/0231 ,  F25B2313/0233 ,  F25B2313/02741 ,  F25B2500/05 ,  F25B2500/222 ,  F25B2600/2519

    摘要： Provided is an air-conditioning apparatus, comprising an outdoor unit including a compressor and an outdoor heat exchanger, a plurality of indoor units each including an indoor heat exchanger, and a relay unit configured to distribute refrigerant supplied from the outdoor unit to the plurality of indoor units, the relay unit including a first branch unit in which liquid-side pipes connected to the plurality of indoor units join together, and a refrigerant shutoff valve, which is configured to control bidirectional flow of the refrigerant, and is provided to the first branch unit, the number of the refrigerant shut off valve being smaller than a number of the plurality of indoor units.

    摘要翻译： 本发明提供一种空气调节装置，其具备：具有压缩机和室外热交换器的室外机，具有室内热交换器的多个室内机，以及将从室外机供给的制冷剂分配到多个 所述中继单元包括第一分支单元和制冷剂截止阀，所述第一分支单元与所述多个室内单元连接，所述第一分支单元与所述多个室内单元连接，所述制冷剂截止阀构造成控制所述制冷剂的双向流动，并且所述中间单元设置在所述第一 分支单元，制冷剂截止阀的数量小于多个室内单元的数量。

    AIR CONDITIONER
    18.
    发明公开
    AIR CONDITIONER 有权

    公开(公告)号：EP2966379A4

    公开(公告)日：2016-11-16

    申请号：EP13877115

    申请日：2013-03-04

    申请人： MITSUBISHI ELECTRIC CORP

    发明人： AZUMA KOJI ,  NAKAO HIROTO ,  HONDA TOSHIHIKO ,  SHIRAMIZU AKIYOSHI ,  HAYASHIDA KATSUHIKO ,  MORIMOTO OSAMU

    IPC分类号： F25B1/00 ,  F25B6/02 ,  F25B13/00 ,  F25B41/06 ,  F25B45/00

    CPC分类号： F25B13/00 ,  F25B41/062 ,  F25B45/00 ,  F25B2313/0233 ,  F25B2313/02742 ,  F25B2400/13 ,  F25B2500/18 ,  F25B2600/021 ,  F25B2600/2507 ,  F25B2600/2513 ,  Y02B30/741

    摘要： An air-conditioning apparatus 100 in accordance with the present invention includes a compressor 1, an outdoor side heat exchanger 4, a subcooling heat exchanger 9, an expansion device, an indoor side heat exchanger 51, and an accumulator 11, being sequentially connected by pipes. The expansion device includes a flow rate adjustable three-way valve 7. The flow rate adjustable three-way valve 7 includes an opening connected to a pipe communicating with the outdoor side heat exchanger 4, an opening connected to a pipe communicating with the indoor side heat exchanger 51, and an opening connected to a pipe 8 communicating with an upstream side of the accumulator 11 through the subcooling heat exchanger 9. The subcooling heat exchanger 9 is configured to exchange heat between refrigerant flowing through the pipe communicating with the outdoor side heat exchanger 4 and refrigerant flowing through the pipe 8 communicating with the upstream side of the accumulator 11. Valves 6 and 10 are respectively provided to the pipe communicating with the outdoor side heat exchanger 4 at a position between the flow rate adjustable three-way valve 7 and the subcooling heat exchanger 9, and to the pipe 8 communicating with the upstream side of the accumulator 11 at a position between the flow rate adjustable three-way valve 7 and the subcooling heat exchanger 9.

    HEAT PUMP
    19.
    发明公开
    HEAT PUMP 审中-公开

    公开(公告)号：EP2600082A4

    公开(公告)日：2016-11-02

    申请号：EP11811952

    申请日：2011-01-18

    申请人： MITSUBISHI ELECTRIC CORP

    发明人： WAKAMOTO SHINICHI ,  TAKENAKA NAOFUMI ,  MORIMOTO OSAMU ,  KOGE HIROFUMI ,  SHINOZAKI KAZUYOSHI ,  KAWAGOE TOMOKAZU

    IPC分类号： F25B47/02 ,  F25B1/00

    CPC分类号： F25B47/025 ,  F25B1/10 ,  F25B5/02 ,  F25B13/00 ,  F25B30/02 ,  F25B41/04 ,  F25B47/022 ,  F25B2400/0403 ,  F25B2400/0411 ,  F25B2400/13

    摘要： A first bypass pipe (6 )whose one end of the first bypass pipe (6) is connected to a main pipe (5) extending from a compressor (1) to an indoor heat exchanger (2), and whose the other end is branched off into parts that are each connected to the main pipe (5) on the inlet side of outdoor heat exchanger (4A, 4B) and a second bypass pipe (40) whose one end of the second bypass pipe (40) is connected to an injection port (43) communicating with the compression chamber of the compressor (1) in which compression is taking place and whose the other end is branched off into parts that are each connected to the main pipe (5) on the outlet side of the outdoor heat exchangers (4A, 4B) are provided. During a defrosting operation that removes frost on the outdoor heat exchangers (4A, 4B), a part of the refrigerant discharged from the compressor (1) is supplied from the first bypass pipe (6) to the outdoor heat exchanger to be defrosted, and is then passed through the second bypass pipe (40) and injected from the injection port (43) of the compressor (1).

    HEAT-SOURCE-SIDE UNIT AND REFRIGERATION AIR CONDITIONER
    20.
    发明公开
    HEAT-SOURCE-SIDE UNIT AND REFRIGERATION AIR CONDITIONER 审中-公开
    热源侧装置和空气冷却系统

    公开(公告)号：EP2484995A4

    公开(公告)日：2016-08-31

    申请号：EP09850042

    申请日：2009-09-30

    申请人： MITSUBISHI ELECTRIC CORP

    发明人： INAGAKI TOMOKI ,  OKANO HIROYUKI ,  MORIMOTO OSAMU ,  OKA SHINJI

    IPC分类号： F25B45/00 ,  F25B43/02

    CPC分类号： F25B43/02 ,  F25B45/00 ,  F25B2345/002

    摘要： A heat source side unit and a refrigeration air-conditioning apparatus capable of effective use of a tank or the like and efficient recovery or the like are provided. In a heat source side unit 100 which has a compressor 101 and a heat source side heat exchanger 104 and forms a refrigerant cycle by connecting a load side expansion device 202 and a load side heat exchanger 201 by a pipeline, an oil tank 110 which feeds refrigerator oil whose amount has become insufficient by washing of the refrigerant cycle to the compressor 101 for replenishment is further provided in the refrigerant cycle.