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公开(公告)号：US20170227262A1
公开(公告)日：2017-08-10
申请号：US15329657
申请日：2015-08-04
CPC分类号： F25B13/00 , F24D11/0214 , F24D17/0078 , F24D17/02 , F24F1/005 , F24F1/0057 , F24F3/001 , F24F11/36 , F24F11/74 , F24F11/77 , F24F11/89 , F24F2221/17 , F24F2221/183 , F25B1/00 , F25B49/02 , F25B2313/0293 , F25B2400/12 , F25B2500/222
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：US20170146274A1
公开(公告)日：2017-05-25
申请号：US15129864
申请日：2015-03-30
发明人： Akira MAEDA , Takao KOMAI , Yasuhiro SUZUKI
摘要： An indoor unit of an air-conditioning apparatus is installed at an installation height of h0 or more in an installation floor space A [m2] and a refrigerant amount M [kg] to be filled falls within (formula) M≦α×G−β×h0×A.
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公开(公告)号：US20200056802A1
公开(公告)日：2020-02-20
申请号：US16663461
申请日：2019-10-25
发明人： Yasuhiro SUZUKI , Takao KOMAI , Akira MAEDA , Mitsuru KAWASHIMA
摘要： 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. 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/m3] represents a lower flammable limit of the refrigerant, A [m2] 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：US20180292118A1
公开(公告)日：2018-10-11
申请号：US15766411
申请日：2016-10-17
发明人： Yasuhiro SUZUKI , Takao KOMAI , Akira MAEDA , Mitsuru KAWASHIMA , Masahiko TAKAGI , Kenyu TANAKA , Kazuki WATANABE
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：US20180119998A1
公开(公告)日：2018-05-03
申请号：US15843104
申请日：2017-12-15
发明人： Yasuhiro SUZUKI , Takao KOMAI , Akira MAEDA , Takaaki TAKISHITA
IPC分类号： F25B13/00 , G01M3/18 , F24F1/32 , F24F13/20 , F24H9/16 , G01M3/00 , F25B47/02 , F24H4/06 , F24D15/04
摘要： The inside of a casing constituting an indoor unit of an air-conditioning apparatus is laterally divided by an air passage partition so that an air passage chamber housing an indoor fan and an indoor heat exchanger is defined close to a casing side panel. A space in the casing close to the casing side panel is further vertically divided by a partition having through holes and so that a pipe connection chamber housing parts of the extension pipes, flare joints, and indoor pipes is defined in an upper portion and a pipe draw-out chamber in which the extension pipes are arranged is defined in a lower portion. Gaps between outer peripheries of the extension pipes and inner peripheries of the through holes are filled with insulations.
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公开(公告)号：US20170284718A1
公开(公告)日：2017-10-05
申请号：US15508147
申请日：2015-09-02
发明人： Yasuhiro SUZUKI , Takao KOMAI , Akira MAEDA , Mitsuru KAWASHIMA
CPC分类号： F24F11/89 , F24F11/30 , F24F11/32 , F24F11/36 , F24F11/70 , F24F2110/50 , F25B13/00 , F25B45/00 , F25B49/005 , F25B49/02 , F25B2313/0293 , F25B2400/12 , F25B2400/121 , F25B2500/222
摘要： 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. 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/m3] represents a lower flammable limit of the refrigerant, A [m2] 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：US20170234592A1
公开(公告)日：2017-08-17
申请号：US15501895
申请日：2014-09-26
发明人： Mitsuru KAWASHIMA , Akira MAEDA , Takao KOMAI , Yasuhiro SUZUKI
CPC分类号： F25B49/02 , F24F11/36 , F24F13/06 , F24F13/08 , F24F13/10 , F24F13/20 , F25B13/00 , F25B2400/12
摘要： A refrigeration cycle device 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. 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.
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公开(公告)号：US20160109162A1
公开(公告)日：2016-04-21
申请号：US14894760
申请日：2014-07-30
发明人： Yasuhiro SUZUKI , Takao KOMAI , Akira MAEDA , Takaaki TAKISHITA
IPC分类号： F25B13/00
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 constituting an indoor unit of an air-conditioning apparatus is laterally divided by an air passage partition so that an air passage chamber housing an indoor fan and an indoor heat exchanger is defined close to a casing side panel. A space in the casing close to the casing side panel is further vertically divided by a partition having through holes so that a pipe connection chamber housing parts of the extension pipes, flare joints, and indoor pipes is defined in an upper portion and a pipe draw-out chamber in which the extension pipes are arranged is defined in a lower portion. Gaps between outer peripheries of the extension pipes and inner peripheries of the through holes are filled with insulations.
摘要翻译： 构成空调装置的室内机组的壳体的内部被空气通道分隔件横向分开，从而将容纳室内风扇和室内热交换器的通风室限定在靠近壳体侧面板的位置。 靠近壳体侧板的壳体中的空间被具有通孔的隔板进一步垂直分隔，使得容纳延伸管，扩口和室内管的部分的管连接室被限定在上部和管道抽吸 其中延伸管布置在其中的腔室被限定在下部。 延长管的外周和通孔的内周之间的间隙填充有绝缘体。
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公开(公告)号：US20160091241A1
公开(公告)日：2016-03-31
申请号：US14891975
申请日：2014-07-29
IPC分类号： F25D17/06
摘要： An indoor unit of an air-conditioning apparatus includes a header main pipe to which an indoor pipe is connected at a brazed portion and header branch pipes. The header branch pipes are connected to first ends of heat-transfer pipes included in an indoor heat exchanger at brazed portions. The indoor pipe is connected to indoor refrigerant branch pipes at brazed portions. The indoor refrigerant branch pipes are connected to second ends of the heat-transfer pipes. A first leaked refrigerant receiver is disposed under the brazed portions. A first temperature sensor is disposed in the first leaked refrigerant receiver. A second leaked refrigerant receiver is disposed under flare joints connecting the indoor pipes to extension pipes, respectively. A second temperature sensor is disposed in the second leaked refrigerant receiver.
摘要翻译： 空气调节装置的室内机包括在钎焊部连接有室内管的集管主管和集管分支管。 集管分支管连接到在钎焊部分包括在室内热交换器中的传热管的第一端。 室内管道与钎焊部分的室内制冷剂支管连接。 室内制冷剂支管与传热管的第二端连接。 第一泄漏的制冷剂接收器设置在钎焊部分的下方。 第一温度传感器设置在第一泄漏的制冷剂接收器中。 第二泄漏的制冷剂接收器分别设置在将室内管连接到延伸管的火炬接头下。 第二温度传感器设置在第二泄漏制冷剂接收器中。
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