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2. 发明授权

EP2434236B1 Refrigerant system 有权
公开(公告)号：EP2434236B1
公开(公告)日：2018-11-07
申请号：EP11182541.0
申请日：2011-09-23
申请人： LG Electronics Inc.
发明人： Jeong, Hojong , Chung, Baikyoung , Jung, Jaehwa , Sa, Yongcheol , Kim, Byungsoon
IPC分类号： F25B45/00 , F25B40/02
CPC分类号： F25B45/00 , F25B13/00 , F25B2313/02741 , F25B2400/13 , F25B2400/16 , F25B2600/19 , F25B2700/04 , F25B2700/21163
摘要： The present invention relates to the refrigerant system in which the refrigerant amount stored in the accumulator may be adjusted by the super cooling adjustment unit according to the indoor conditioning load. Therefore, according to the present invention, the flow refrigerant amount on the refrigerant cycle may be optimally adjusted according to the indoor conditioning load, and there is an advantage that the operation efficiency may be more improved.

3. 发明授权

EP3173714B1 REFRIGERATING CYCLE SYSTEM AND LIQUID FLOW-BACK PREVENTION METHOD 有权转让
公开(公告)号：EP3173714B1
公开(公告)日：2018-08-15
申请号：EP16198071.9
申请日：2016-11-10
申请人： MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
发明人： KAWANISHI, Akio , TAKEDA, Takeshi , MURAKAMI, Kenichi , SATO, Hitonobu
IPC分类号： F25B43/00 , F25B49/02 , F25B13/00
CPC分类号： F25B49/02 , F25B13/00 , F25B43/006 , F25B2400/01 , F25B2600/05 , F25B2700/04 , F25B2700/2113
摘要： Liquid flow-back is prevented, and a compressor (4) is protected by a simple and low-cost configuration having high reliability and an excellent maintenance property. In a heating and cooling air conditioning system of the present invention, a gas-liquid mixed refrigerant sucked into an electric compressor (4) is separated, and only a vaporized refrigerant is sucked by an electric compressor (4), an electric heating element (23, 23A) is provided at a position of an allowable highest liquid level (H3) of a liquefied refrigerant (R) in an accumulator (12) storing a predetermined amount of the liquefied refrigerant (R), and a controller detects change of a heating value of the electric heating element (23) as change of power consumption, and performs protection operation for lowering the liquid level of the liquefied refrigerant (R) in a case where the power consumption reaches a predetermined threshold value.

4. 发明授权

EP2562493B1 AIR CONDITIONER REFRIGERANT FILLING METHOD 有权转让
标题翻译：空调制冷剂填充方法
公开(公告)号：EP2562493B1
公开(公告)日：2018-03-28
申请号：EP11771899.9
申请日：2011-04-12
申请人： MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
发明人： KATO, Takahiro , ENYA, Atsushi
IPC分类号： F25B45/00
CPC分类号： F25B45/00 , F25B2345/001 , F25B2500/01 , F25B2500/19 , F25B2700/04
摘要： Provided is an air-conditioner refrigerant injecting method that enables precise and quick injection of an optimum amount of refrigerant . In an air-conditioner (1) refrigerant injecting method of injecting a specified amount of refrigerant into a closed-cycle refrigerant circuit (3) in which an outdoor unit (10) and a plurality of indoor units (11) to (16) are connected via refrigerant pipes (2), the pipe lengths and pipe diameters of the refrigerant pipes (2A) to (2M) connecting the outdoor unit (10) and the plurality of indoor units (11) to (16) installed on the respective floors of a structure (40) are identified insofar as they can be reliably measured or estimated, the minimum required refrigerant amount required by the air conditioner (1) is calculated on the basis of the pipe lengths and pipe diameters, the resulting amount of refrigerant is additionally injected in advance, and then the refrigerant is automatically injected by an automatic refrigerant injection function until a specified injection amount is reached.

5. 发明公开

EP2500675A4 AIR CONDITIONER 有权
公开(公告)号：EP2500675A4
公开(公告)日：2018-03-28
申请号：EP10829690
申请日：2010-11-08
申请人： MITSUBISHI ELECTRIC CORP
发明人： KATO YOHEI , SAITO MAKOTO , WAKUTA NAOKI
IPC分类号： F25B1/00
CPC分类号： F25B31/00 , F25B13/00 , F25B2400/01 , F25B2500/16 , F25B2500/19 , F25B2500/26 , F25B2500/31 , F25B2700/04 , F25B2700/193 , F25B2700/2105 , F25B2700/2106 , F25B2700/2115
摘要： To obtain an air-conditioning apparatus that appropriately determines the state of stagnating refrigerant in a compressor, and suppresses power consumption while the air-conditioning apparatus is not in operation. When a compressor temperature change rate Rc1 is determined to be higher than a refrigerant temperature change rate Rr1, a controller 31 identifies that liquid refrigerant in a lubricant oil 100 in a compressor 1 has been totally gasified, stops energizing a motor unit 62, and ends a heating operation of the compressor 1.

6. 发明公开

EP3190355A4 AIR CONDITIONER AND METHOD FOR CONTROLLING SAME 审中-公开
公开(公告)号：EP3190355A4
公开(公告)日：2017-11-15
申请号：EP15838951
申请日：2015-09-03
申请人： SAMSUNG ELECTRONICS CO LTD
发明人： TAKEICHI HISASHI , EGUCHI HIROAKI , OGASAWARA TETSUYA , YAMADA KENICHI , AONO MASAHIRO
IPC分类号： F25B1/00 , F25B41/04 , F25B45/00 , F25B49/02
CPC分类号： F25B41/043 , F25B13/00 , F25B45/00 , F25B49/022 , F25B49/027 , F25B2313/002 , F25B2313/0215 , F25B2313/0314 , F25B2313/0315 , F25B2400/161 , F25B2500/19 , F25B2700/04 , F25B2700/1931 , F25B2700/1933 , F25B2700/21151 , F25B2700/21152 , F25B2700/21163 , F25B2700/21174
摘要： An air conditioner may prevent a refrigerant stored in a refrigerant storage from rapidly flowing into a main refrigerant circuit when the type of operation is switched. The air conditioner may include a refrigerant circuit provided with a compressor, a condenser, an expansion valve and an evaporator; a refrigerant amount detection device configured to determine whether a refrigerant state in an outlet of the compressor is a supercooled state or a gas-liquid two phase state, and configured to calculate a refrigerant amount ratio in the refrigerant circuit, based on a predetermined set value according to at least one of a temperature and a pressure detected in the refrigerant circuit, and the refrigerant state; and a controller configured to control the refrigerant circuit according to the refrigerant amount ratio calculated by the refrigerant amount detection device.

7. 发明授权

EP2725312B1 Verfahren und Vorrichtung zum Überwachen einer Kältemittelfüllmenge 有权
标题翻译： Verfahren und Vorrichtung zumÜberwacheneinerKältemittelfüllmenge
公开(公告)号：EP2725312B1
公开(公告)日：2017-09-20
申请号：EP13189217.6
申请日：2013-10-18
申请人： Institut Für Luft- Und Kältetechnik Gemeinnützige GmbH
发明人： Illgen, André , Kleeberg, Andreas , Dr. Vollmer, Dietrich
IPC分类号： F25B49/00
CPC分类号： F25B49/005 , F25B2700/04 , F25B2700/21163

8. 发明公开

EP2511629A4 AIR CONDITIONER AND METHOD FOR DETECTING AMOUNT OF REFRIGERANT IN AIR CONDITIONER 审中-公开
标题翻译： KLIMAANLAGE UND VERFAHREN ZUM ERKENNEN DERKÜHLMITTELMENGEIN EINER KLIMAANLAGE
公开(公告)号：EP2511629A4
公开(公告)日：2017-09-13
申请号：EP10835839
申请日：2010-11-25
申请人： MITSUBISHI HEAVY IND LTD
发明人： KATO TAKAHIRO , ENYA ATSUSHI
IPC分类号： F25B45/00 , F25B49/02
CPC分类号： F25B45/00 , F25B13/00 , F25B2700/04 , F25B2700/21
摘要： Provided is an air conditioner and a method of detecting the amount of refrigerant in an air conditioner that always enables the amount of refrigerant filled to be detected with high precision, without providing a heating unit in a liquid-surface detecting circuit. An air conditioner (1), in which an outdoor unit (2) and an indoor unit (3) is connected, includes a liquid-surface detecting circuit (30) in which a bypass circuit (31) connecting a predetermined height position in a receiver (15) to an intake side of a compressor (10) has an on/off valve (33) and a decompression mechanism (32); a temperature detecting unit (34) that detects the temperature of the refrigerant decompressed by a decompression mechanism (32) and flowing in the liquid-surface detecting circuit (30); and a refrigerant-amount detecting unit (35) that controls the intermediate pressure in the receiver (15) such that the degree of superheating is 5 deg or more higher than a low-pressure saturated gas temperature and such that a saturated gas line on a pressure-enthalpy diagram is inclined toward the upper right, and that detects the temperature of the refrigerant extracted from the receiver (15) into the liquid-surface detecting circuit (30) with the temperature detecting unit (34), thereby determining the amount of refrigerant filled based on the detected temperature.
摘要翻译：本发明提供一种空调和检测空调中的制冷剂量的方法，其总是能够以高精度检测填充的制冷剂量，而不在液体表面检测回路中提供加热单元。本发明提供一种室外机组（2）和室内机组（3）连接的空调机（1），其具备：液面检测电路（30），其将连接规定高度位置的旁通回路接收器（15）向压缩机（10）的吸入侧具有开关阀（33）和减压机构（32）。温度检测单元（34），其检测由减压机构（32）减压的并在液面检测回路（30）中流动的制冷剂的温度; 以及控制所述储液器（15）内的中间压力使得所述过热度比低压饱和气体温度高5度以上，并且使所述过热度为0度以上的饱和气体管路的制冷剂量检测部（35）压力 - 焓图向右上倾斜，并且利用温度检测单元（34）检测从接收器（15）提取到液体表面检测回路（30）中的制冷剂的温度，从而确定基于检测到的温度填充制冷剂。

9. 发明公开

EP3201538A1 PROCEDE DE MISE EN TEMPERATURE ET DE MAINTIEN EN TEMPERATURE DE L'INTERIEUR D'UNE ENCEINTE THERMIQUEMENT ISOLEE SANS APPORT D'ENERGIE CONTINU- DISPOSITIF ASSOCIE 无效
标题翻译： PROCEDE DE MISE EN TEMPERATURE ET DE MAINTIEN EN TEMPERATURE DE L'INTERIEUR D'UNE ENCEINTE THERMIQUEMENT ISOLEE SANS APPORT D'ENERGIE CONTINU-DISPOSITIF ASSOCIE
公开(公告)号：EP3201538A1
公开(公告)日：2017-08-09
申请号：EP15781130.8
申请日：2015-09-29
申请人： Coldway
发明人： RIGAUD, Laurent , KINDBEITER, Francis , TADIOTTO, David
IPC分类号： F25B17/08
CPC分类号： F25B17/00 , F25B17/083 , F25B2315/005 , F25B2315/007 , F25B2400/01 , F25B2600/2515 , F25B2700/04
摘要： The present invention relates to a method for getting the interior volume of a thermally insulated space (5) up to temperature and maintaining it at temperature using two thermochemical systems (TCU1; TCU2). According to the invention, a suitable device is supplied and - steps are taken to ensure that all the fluid of each of said systems (TCU1; TCU2) is contained in the reservoir (1; 2) of each of said systems (TCU1; TCU2); - at least one of said systems (TCU; TCU2) is used to bring said space to a setpoint temperature, a) the reactor (15; 25) of one of said systems (TCU1; TCU2) is heated until fully regenerated, while the other system (TCU1; TCU2) keeps the temperature at said setpoint temperature; b) when the reactor (15; 25) is fully regenerated, said system comprising the reactor that has just been regenerated is used to maintain the temperature and the reactor (15; 25) of the other system (TCU1; TCU2) is heated - as long as said connection means are connected to said external energy source, the aforementioned steps a) and b) are repeated; - when said heating means (19; 29) are disconnected from said external energy source, each of said systems (TCU1; TCU2) is used in turn to keep the temperature of the space (5) at said setpoint temperature.
摘要翻译：本发明涉及一种使用两个热化学系统（TCU1; TCU2）使绝热空间（5）的内部容积达到温度并将其保持在温度的方法。根据本发明，提供合适的装置并采取步骤以确保每个所述系统（TCU1; TCU2）的所有流体都容纳在每个所述系统（TCU1; TCU2）的储存器（1; 2））; - 至少一个所述系统（TCU; TCU2）用于使所述空间达到设定点温度，a）所述系统（TCU1; TCU2）中的一个的反应器（15; 25）被加热直到完全再生，而其他系统（TCU1; TCU2）将温度保持在所述设定点温度; b）当反应器（15; 25）完全再生时，所述包含刚刚再生的反应器的系统用于维持温度，并且另一个系统（TCU1; TCU2）的反应器（15; 25）只要所述连接装置连接到所述外部能量源，重复上述步骤a）和b）; - 当所述加热装置（19; 29）与所述外部能量源断开时，依次使用每个所述系统（TCU1; TCU2）以将所述空间（5）的温度保持在所述设定点温度。

10. 发明公开

EP2360441A3 Air conditioner, refrigerant filling method of air conditioner, method for judging refrigerant filling state of air conditioner as well as refrigerant filling and pipe clearing method of air conditioner 有权
标题翻译：空调器，空调器的制冷剂填充方法，用于判断空调器的制冷剂填充状态的方法以及空调器的制冷剂填充和管道清理方法
公开(公告)号：EP2360441A3
公开(公告)日：2017-08-02
申请号：EP11002688.7
申请日：2006-05-30
申请人： Mitsubishi Electric Corporation
发明人： Toyoshima, Masaki , Tanaka, Kousuke , Yamashita, Kouji , Morimoto, Osamu , Unezaki, Fumitake
IPC分类号： F25B45/00 , F25B49/00 , F25B13/00
CPC分类号： F25B45/00 , F25B13/00 , F25B49/005 , F25B2313/02741 , F25B2345/001 , F25B2500/19 , F25B2600/21 , F25B2700/04
摘要： An air conditioner is arranged so as to be able to accurately judge a refrigerant filling state within the air conditioner regardless of environmental and installation conditions. The air conditioner has a computing section 102 for computing a condenser liquid phase area ratio that is a value related to an amount of liquid phase portion of the refrigerant within a high pressure-side heat exchanger, based on refrigerant condensation temperature of the high pressure-side heat exchanger, outlet super-cooling degree of the high pressure-side heat exchanger, intake air temperature of the high pressure-side heat exchanger, a difference of enthalpy of inlet and outlet of the high pressure-side heat exchanger and specific heat at constant pressure of a refrigerant solution at the outlet of the high pressure-side heat exchanger and a judging section 106 for judging the refrigerant filling state within the air conditioner based on a comparison of the value computed by the computing section 102 with a predetermined value.
摘要翻译：空调设备能够准确地判断空调器内的制冷剂填充状态，而与环境和安装条件无关。基于高压侧热交换器的制冷剂冷凝温度，计算与高压侧热交换器内的制冷剂的液相部分的量有关的值即冷凝器液相面积比的运算部102，高压侧热交换器的出口过冷却度，高压侧热交换器的进气温度，高压侧热交换器的入口和出口的焓之差以及高压侧热交换器的比热在高压侧热交换器的出口处的制冷剂溶液的恒定压力以及用于基于由计算部分102计算的值与预定值的比较来判断空调内的制冷剂填充状态的判断部分106。

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