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公开(公告)号：EP3199883A4
公开(公告)日：2018-05-02
申请号：EP15844947
申请日：2015-08-04
IPC分类号： F24F13/30 , F24D5/04 , F24D5/12 , F24D11/02 , F24F1/00 , F24F3/00 , F24F11/30 , F24F11/36 , F24F11/77 , F24F13/32 , F24H4/00 , F24H6/00 , F25B1/00 , F25B49/02
CPC分类号： F24F3/001 , F24D11/0214 , F24D17/0078 , F24D17/02 , F24F11/36 , F24F11/74 , F24F11/77 , F24F11/89 , F24F2001/004 , F24F2001/0048 , F24F2221/17 , F24F2221/183 , F25B1/00 , F25B49/02
摘要： A load unit includes a water circuit chamber configured to accommodate at least a part of a water circuit configured to allow water to flow therethrough, a fan, an air inlet formed at a height positioned different from that of the air inlet and configured to suck indoor air therethrough, an air outlet configured to blow indoors the air sucked through the air inlet, and an air passage formed between the air inlet and the air outlet so as to be isolated from the water circuit chamber. A load-side heat exchanger is provided in the air passage.
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公开(公告)号：EP3222941A4
公开(公告)日：2017-11-01
申请号：EP15860849
申请日：2015-09-02
发明人： SUZUKI YASUHIRO , KOMAI TAKAO , MAEDA AKIRA , KAWASHIMA MITSURU
CPC分类号： F25B49/02 , F24F11/30 , F24F11/32 , F24F11/36 , F24F11/70 , F24F11/89 , F24F2110/50 , F25B13/00 , F25B45/00 , F25B49/005 , F25B2313/0293 , F25B2400/12 , F25B2400/121 , F25B2500/222 , Y02B30/78
摘要： Refrigerant is a flammable refrigerant with a density greater than a density of air under atmospheric pressure. An indoor unit includes an air-sending fan, an air inlet through which air of an indoor space is sucked in, and an air outlet located above the air inlet and through which the air sucked in through the air inlet is blown out to the indoor space. The air outlet is provided on a front face or a side face of a housing of the indoor unit. A control unit activates the air-sending fan when leakage of the refrigerant is detected. When M [kg] represents an amount of charge of the refrigerant in a refrigeration cycle, LFL [kg/m 3 ] represents a lower flammable limit of the refrigerant, A [m 2 ] represents a floor area of the indoor space, and Ho [m] represents a height of the air outlet above a floor surface of the indoor space, the amount of charge M, the lower flammable limit LFL, the floor area A, and the height Ho satisfy a relationship of M
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公开(公告)号：EP3199881A4
公开(公告)日：2017-11-22
申请号：EP14902477
申请日：2014-09-26
发明人： KAWASHIMA MITSURU , MAEDA AKIRA , KOMAI TAKAO , SUZUKI YASUHIRO
CPC分类号： F25B49/02 , F24F11/36 , F24F13/06 , F24F13/08 , F24F13/10 , F24F13/20 , F25B13/00 , F25B2400/12
摘要： There is provided a refrigeration cycle device that uses a refrigerant having a higher concentration than air under atmospheric pressure, and is capable of preventing a region having a certain refrigerant concentration or higher from being formed even if the refrigerant leaks in a casing of the refrigeration cycle device in a nonenergized state. To this end, the refrigeration cycle device includes: a casing having a first opening and a second opening, one of which is an inlet and the other of which is an outlet, and having therein an air course providing communication between the first opening and the second opening; and a refrigerant circuit provided in the air course in the casing and filled with a refrigerant having a higher concentration than air under atmospheric pressure, the casing having a third opening providing communication between the air course and outside of the casing, the third opening being arranged below the refrigerant circuit, and a lower edge of the third opening being located below lower edges of the first opening and the second opening, the refrigeration cycle device further comprising diffusion means configured to diffuse the refrigerant leaking from the refrigerant circuit and flowing from the air course through the third opening out of the casing.
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公开(公告)号：EP3045833A4
公开(公告)日：2017-05-03
申请号：EP14843274
申请日：2014-07-30
发明人： SUZUKI YASUHIRO , KOMAI TAKAO , MAEDA AKIRA , TAKISHITA TAKAAKI
CPC分类号： F25B13/00 , F24D15/04 , F24F1/32 , F24F11/30 , F24F11/36 , F24F13/20 , F24F2110/00 , F24H4/06 , F24H9/165 , F25B47/025 , F25B2313/003 , F25B2313/006 , F25B2400/121 , G01M3/002 , G01M3/18 , Y02B30/12
摘要： The inside of a casing 110 constituting an indoor unit 101 of an air-conditioning apparatus 100 is laterally divided by an air passage partition 20 so that an air passage chamber 21 housing an indoor fan 7f and an indoor heat exchanger 7 is defined close to a casing side panel 117. A space in the casing 110 close to the casing side panel 118 is further vertically divided by a partition 30 having through holes 31 a and 31 b so that a pipe connection chamber 22 housing parts of the extension pipes 10a and 10b, flare joints 15a and 15b, and indoor pipes 9a and 9b is defined in an upper portion and a pipe draw-out chamber 23 in which the extension pipes 10a and 10b are arranged is defined in a lower portion. Gaps between outer peripheries of the extension pipes 10a and 10b and inner peripheries of the through holes 31 a and 31 b are filled with insulations 19a and 19b.
摘要翻译： 构成空气调节装置100的室内机101的壳体110的内部被空气通路隔板20横向分隔，使得容纳室内风扇7f和室内热交换器7的空气通道室21被限定为靠近 壳体110中靠近壳体侧面板118的空间被具有通孔31a和31b的隔板30进一步垂直划分，使得容纳延伸管10a和10b的部分的管连接室22 ，喇叭口接头15a和15b以及室内管道9a和9b限定在上部中，并且管道抽出室23限定在下部中，延长管道10a和10b布置在管道抽出室23中。 延长管10a，10b的外周与贯通孔31a，31b的内周之间的间隙填充有绝缘体19a，19b。
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公开(公告)号：EP3306237A4
公开(公告)日：2018-06-06
申请号：EP16863952
申请日：2016-10-17
发明人： SUZUKI YASUHIRO , KOMAI TAKAO , MAEDA AKIRA , KAWASHIMA MITSURU , TAKAGI MASAHIKO , TANAKA KENYU , WATANABE KAZUKI
IPC分类号： F25B49/02
CPC分类号： F25B49/02 , F25B2500/222
摘要： A refrigeration cycle apparatus includes a refrigerant circuit in which refrigerant circulates, a temperature sensor provided at a position on the refrigerant circuit, the position being adjacent to a brazed portion or adjacent to a joint portion in which refrigerant pipes are joined to each other, and a controller configured to determine whether or not the refrigerant has leaked based on a detected temperature detected by the temperature sensor. The temperature sensor is covered with a heat insulating material together with the brazed portion or the joint portion.
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公开(公告)号：EP3139105A4
公开(公告)日：2018-02-21
申请号：EP15774460
申请日：2015-03-30
发明人： MAEDA AKIRA , KOMAI TAKAO , SUZUKI YASUHIRO
CPC分类号： F25B45/00 , F24F1/0007 , F24F13/32 , F24F2001/0037 , F24F2001/004 , F24F2001/0048 , F25B49/02 , F25B2345/001 , F25B2400/12 , F25B2500/19
摘要： An indoor unit 1 of an air-conditioning apparatus 100 is installed at an installation height of ho or more in an installation floor space A [m 2 ] and a refrigerant amount M [kg] to be filled falls within (formula) M ‰¤ ± x G -² x ho x A.
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7.发明公开AIR CONDITIONING DEVICE AND REFRIGERANT LEAK DETECTION METHOD 审中-公开KLIMAANLAGE UND VERFAHREN ZURKÄLTEMITTELLECKERKENNUNG
公开(公告)号：EP3040654A4
公开(公告)日：2017-03-29
申请号：EP14840930
申请日：2014-07-29
CPC分类号： F25D17/067 , F24F11/36 , F24F11/83 , F25B13/00 , F25B49/005 , F25B2313/0314 , F25B2500/222
摘要： An indoor unit 101 of an air-conditioning apparatus 100 includes a header main pipe 91 a to which an indoor pipe 9a is connected at a brazed portion W and header branch pipes 92a. The header branch pipes 92a are connected to first ends 71 a of heat-transfer pipes 71 included in an indoor heat exchanger 7 at brazed portions W. The indoor pipe 9a is connected to indoor refrigerant branch pipes 92b at brazed portions W. The indoor refrigerant branch pipes 92b are connected to second ends 71 b of the heat-transfer pipes 71. A first leaked refrigerant receiver 94 is disposed under the brazed portions W. A first temperature sensor S4 is disposed in the first leaked refrigerant receiver 94. A second leaked refrigerant receiver 95 is disposed under flare joints 15a and 15b connecting the indoor pipes 9a and 9b to extension pipes 10a and 10b, respectively. A second temperature sensor S5 is disposed in the second leaked refrigerant receiver 95.
摘要翻译： 空调装置100的室内机101具有在钎焊部分W连接有室内管9a的集管主管91a和集管分支管92a。 集管分支管92a连接到钎焊部分W的室内热交换器7中所包含的传热管71的第一端部71a。室内管9a在钎焊部分W连接到室内制冷剂分支管92b。室内制冷剂 分支管92b连接到传热管71的第二端71b。第一泄漏的制冷剂接收器94设置在钎焊部分W的下方。第一温度传感器S4设置在第一泄漏的制冷剂接收器94中。第二泄漏的制冷剂接收器94被泄漏 制冷剂接收器95设置在分别将室内管9a和9b连接到延伸管10a和10b的喇叭口15a和15b之下。 第二温度传感器S5设置在第二泄漏制冷剂接收器95中。
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