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公开(公告)号：US20240011689A1
公开(公告)日：2024-01-11
申请号：US18472461
申请日：2023-09-22
发明人： Kohei Maruko , Shohei Arita , Masaaki Sato , Hiroichi Yamaguchi , Atsushi Baba , Yukio Kiguchi
CPC分类号： F25B49/02 , F25B1/00 , F25B2600/2513
摘要： According to one embodiment, a refrigeration cycle apparatus includes a main flow channel of a refrigerant, a compressor, a condenser, an evaporator, a branch channel, an expansion valve, a supercooling heat exchanger, an injection flow channel, and a control unit. The control unit determines, based on whether the determination condition is satisfied or not, a determination condition for adjusting an opening degree of the expansion valve and adjusts the opening degree of the expansion valve according to a first target value for a discharge temperature of the refrigerant from the compressor, or a second target value for a superheat degree of the refrigerant flowing through the injection flow channel.
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公开(公告)号：US09683751B2
公开(公告)日：2017-06-20
申请号：US14428849
申请日：2013-09-20
发明人： Yuji Inada , Yukio Kiguchi , Kiyotaka Ueno
CPC分类号： F24F1/08 , F24F1/32 , F25B13/00 , F25B41/04 , F25B41/067 , F25B2313/005 , F25B2313/023 , F25B2313/025 , F25B2313/0252 , F25B2400/04 , F25B2400/0411 , F25B2600/2501
摘要： An outdoor unit for a multi-type air conditioner includes a compressor, a four-way valve, an outdoor heat exchanger, an outdoor expansion valve, a liquid tank, an accumulator, a shutoff valve provided for the refrigerant pipe between a liquid refrigerant inlet/outlet port and the liquid tank in the outdoor unit, and a first bypass circuit provided in the refrigerant pipe for bypassing the shutoff valve through a capillary tube to connect a liquid refrigerant inlet/outlet port side to an upper side of the refrigerant pipe in a gravity direction. The outdoor unit further includes a second bypass circuit for connecting a bottom portion of the liquid tank to an inlet side of the accumulator via an electromagnetic valve.
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公开(公告)号：US20150267925A1
公开(公告)日：2015-09-24
申请号：US14428849
申请日：2013-09-20
发明人： Yuji Inada , Yukio Kiguchi , Kiyotaka Ueno
CPC分类号： F24F1/08 , F24F1/32 , F25B13/00 , F25B41/04 , F25B41/067 , F25B2313/005 , F25B2313/023 , F25B2313/025 , F25B2313/0252 , F25B2400/04 , F25B2400/0411 , F25B2600/2501
摘要： An outdoor unit for a multi-type air conditioner includes a compressor, a four-way valve, an outdoor heat exchanger, an outdoor expansion valve, a liquid tank, an accumulator, a shutoff valve provided for the refrigerant pipe between a liquid refrigerant inlet/outlet port and the liquid tank in the outdoor unit, and a first bypass circuit provided in the refrigerant pipe for bypassing the shutoff valve through a capillary tube to connect a liquid refrigerant inlet/outlet port side to an upper side of the refrigerant pipe in a gravity direction. The outdoor unit further includes a second bypass circuit for connecting a bottom portion of the liquid tank to an inlet side of the accumulator via an electromagnetic valve.
摘要翻译： 一种用于多型空调的室外机包括压缩机，四通阀，室外热交换器，室外膨胀阀，液罐，蓄能器，设置在液体制冷剂入口之间的制冷剂管道的截止阀 排出口和室外机中的液箱，以及设置在制冷剂配管中的第一旁路回路，用于通过毛细管旁路截流阀，将液体制冷剂入口侧出口侧与制冷剂管的上侧连接 重力方向。 室外机还包括用于经由电磁阀将液箱的底部与蓄电池的入口侧连接的第二旁路电路。
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公开(公告)号：US20240011662A1
公开(公告)日：2024-01-11
申请号：US18471539
申请日：2023-09-21
发明人： Atsushi Baba , Masaaki Sato , Hiroichi Yamaguchi , Yukio Kiguchi , Kohei Maruko , Shohei Arita
IPC分类号： F24F11/84
CPC分类号： F24F11/84
摘要： According to one embodiment, the air conditioner comprises an outdoor unit, an indoor unit, a refrigerant cutoff unit, an airtight state detection unit, a notification unit, and a control unit. The control unit determines a refrigerant cutoff condition for whether or not to urge a flow of the refrigerant flowing into and from the indoor unit to be cut off and, if the refrigerant cutoff condition is satisfied, urges the refrigerant cutoff unit to cut off the flow, and urges the notification unit to notify a detection result of an airtight state of a pipe detected by the airtight state detection unit, in the indoor unit in which the flow of the refrigerant is cut off.
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公开(公告)号：US20220205671A1
公开(公告)日：2022-06-30
申请号：US17697178
申请日：2022-03-17
发明人： Tetsuma Hamashima , Yukio Kiguchi , Shun Asari , Shohei Arita , Ken Miura , Tomoki Shimizu
摘要： According to one embodiment, an air conditioner carries out a heating operation, a cooling operation, a cooling/heating mixed operation in which a higher priority is given to cooling, and a cooling/heating mixed operation in which a higher priority is given to heating.
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公开(公告)号：US09851133B2
公开(公告)日：2017-12-26
申请号：US14693437
申请日：2015-04-22
IPC分类号： F25B49/00
CPC分类号： F25B49/005 , F25B2500/08
摘要： According to one embodiment, a refrigeration cycle apparatus, a fusible plug is attached to a low-pressure-side pipe between an evaporator and a compressor. The refrigeration cycle apparatus includes a heat quantity reduction member. The fusible plug fuses when a temperature of heat transmitted from the low-pressure-side pipe to the fusible plug reaches a predetermined value or more, and then opens the inside of the low-pressure-side pipe to atmosphere. The heat quantity reduction member reduces the quantity of heat to be transmitted to the fusible plug.
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