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公开(公告)号：US20200332166A1
公开(公告)日：2020-10-22
申请号：US16955565
申请日：2018-12-18
发明人： Eiji KUMAKURA , Takuro YAMADA , Atsushi YOSHIMI , Ikuhiro IWATA , Mitsushi ITANO , Daisuke KARUBE , Yuuki YOTSUMOTO , Kazuhiro TAKAHASHI , Tatsuya TAKAKUWA , Yuzo KOMATSU , Shun OHKUBO , Keisuke OHTSUKA , Yoshinari ASANO , Keiji AOTA , Yuuichi YANAGI , Yoshikazu NAKAO , Takeo ABE , Yumi TODA , Tetsushi TSUDA
摘要： A refrigeration cycle apparatus (1) is capable of performing a refrigeration cycle using a small-GWP refrigerant. The refrigeration cycle apparatus (1) includes a refrigerant circuit (10) and a refrigerant enclosed in the refrigerant circuit (10). The refrigerant circuit includes a compressor (21), a condenser (23), a decompressing section (24), and an evaporator (31). The refrigerant contains at least 1,2-difluoroethylene.
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公开(公告)号：US20220380648A1
公开(公告)日：2022-12-01
申请号：US17260870
申请日：2019-07-16
发明人： Eiji KUMAKURA , Takuro YAMADA , Atsushi YOSHIMI , Ikuhiro IWATA , Yoshinari ASANO , Keisuke OHTSUKA , Keiji AOTA , Mitsushi ITANO , Shun OHKUBO , Tatsuya TAKAKUWA , Daisuke KARUBE , Yuuki YOTSUMOTO , Kenji GOBOU , Hitomi KUROKI , Tomoyuki GOTOU , Akihito MIZUNO , Yasufu YAMADA , Tatsumi TSUCHIYA , Yuuichi YANAGI , Yoshikazu NAKAO , Takeo ABE , Yumi TODA , Tetsushi TSUDA
摘要： A refrigeration cycle apparatus (1) is capable of performing a refrigeration cycle using a small-GWP refrigerant. The refrigeration cycle apparatus (1) includes a refrigerant circuit (10) and a refrigerant enclosed in the refrigerant circuit (10). The refrigerant circuit includes a compressor (21), a condenser (23), a decompressing section (24), and an evaporator (31). The refrigerant contains is a small-GWP refrigerant.
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公开(公告)号：US20230132359A2
公开(公告)日：2023-04-27
申请号：US17260870
申请日：2019-07-16
发明人： Eiji KUMAKURA , Takuro YAMADA , Atsushi YOSHIMI , Ikuhiro IWATA , Yoshinari ASANO , Keisuke OHTSUKA , Keiji AOTA , Mitsushi ITANO , Shun OHKUBO , Tatsuya TAKAKUWA , Daisuke KARUBE , Yuuki YOTSUMOTO , Kenji GOBOU , Hitomi KUROKI , Tomoyuki GOTOU , Akihito MIZUNO , Yasufu YAMADA , Tatsumi TSUCHIYA , Yuuichi YANAGI , Yoshikazu NAKAO , Takeo ABE , Yumi TODA , Tetsushi TSUDA
摘要： A refrigeration cycle apparatus (1) is capable of performing a refrigeration cycle using a small-GWP refrigerant. The refrigeration cycle apparatus (1) includes a refrigerant circuit (10) and a refrigerant enclosed in the refrigerant circuit (10). The refrigerant circuit includes a compressor (21), a condenser (23), a decompressing section (24), and an evaporator (31). The refrigerant contains is a small-GWP refrigerant.
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公开(公告)号：US20230097829A1
公开(公告)日：2023-03-30
申请号：US17991204
申请日：2022-11-21
发明人： Eiji KUMAKURA , Takuro YAMADA , Atsushi YOSHIMI , Ikuhiro IWATA , Mitsushi ITANO , Daisuke KARUBE , Yuuki YOTSUMOTO , Kazuhiro TAKAHASHI , Tatsuya TAKAKUWA , Yuzo KOMATSU , Shun OHKUBO , Keisuke OHTSUKA , Yuuichi YANAGI , Takeo ABE , Yumi TODA , Tetsushi TSUDA
IPC分类号： C09K5/04 , F25B13/00 , F25B29/00 , F25B31/00 , F25B49/02 , F24H4/02 , F25B41/00 , F24F1/0059 , F24F1/24 , F24F13/30 , F24F1/0067 , F24F1/0063 , F24F3/052 , F25B7/00 , F25B39/00 , F25B39/02 , F24F1/14 , F24F1/32 , F24F1/34 , F24F1/38 , F25B9/00 , F25B1/00 , F25B31/02 , F24F5/00 , F24F11/88 , F25B1/04 , F24H1/00 , F25B21/00 , F25B41/34
摘要： A refrigeration cycle apparatus (1) is capable of performing a refrigeration cycle using a small-GWP refrigerant. The refrigeration cycle apparatus (1) includes a refrigerant circuit (10) and a refrigerant enclosed in the refrigerant circuit (10). The refrigerant circuit includes a compressor (21), a condenser (23), a decompressing section (24), and an evaporator (31). The refrigerant contains at least 1,2-difluoroethylene.
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公开(公告)号：US20200378662A1
公开(公告)日：2020-12-03
申请号：US16954956
申请日：2018-12-11
发明人： Mitsushi ITANO , Daisuke KARUBE , Yuuki YOTSUMOTO , Kazuhiro TAKAHASHI , Yuzo KOMATSU , Shun OHKUBO , Tatsuya TAKAKUWA , Tetsushi TSUDA , Yuuichi YANAGI
摘要： An air conditioning apparatus 1 includes a compressor (321), an indoor heat exchanger (242) that is a use-side heat exchanger that exchanges heat with first air (F1), an outdoor heat exchanger (323) that is a heat-source-side heat exchanger that exchanges heat with second air, a refrigerant, a first duct (209), and a casing (230). The refrigerant contains at least 1,2-difluoroethylene, and circulates in the compressor (321), the indoor heat exchanger (242), and the outdoor heat exchanger (323) to repeat a refrigeration cycle. The first duct (209) supplies the first air (F1) to a plurality of rooms in an interior. The casing (230) includes a use-side space (SP2) that is connected to the first duct (209) and that accommodates the indoor heat exchanger (242). The casing (230) is configured to allow the first air (F1) after heat exchange with the refrigerant at the indoor heat exchanger (242) to be sent out to the first duct (209).
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公开(公告)号：US20200340714A1
公开(公告)日：2020-10-29
申请号：US16955207
申请日：2018-12-18
发明人： Mitsushi ITANO , Daisuke KARUBE , Yuuki YOTSUMOTO , Kazuhiro TAKAHASHI , Yuzo KOMATSU , Shun OHKUBO , Tatsuya TAKAKUWA , Tetsushi TSUDA , Yuuichi YANAGI
摘要： A refrigeration cycle apparatus including a heat exchanger can decrease the material cost. An air conditioning apparatus (10) that is a refrigeration cycle apparatus includes a flammable refrigerant containing at least 1,2-difluoroethylene, an outdoor heat exchanger (23), and an indoor heat exchanger (27). One of the outdoor heat exchanger (23) and the indoor heat exchanger (27) is an evaporator that evaporates the refrigerant, and the other one is a condenser that condenses the refrigerant. The outdoor heat exchanger (23) and the indoor heat exchanger (27) each are a heat exchanger that includes metal plates (19) serving as a plurality of fins made of aluminum or an aluminum alloy, and flat tubes (16) serving as a plurality of heat transfer tubes made of aluminum or an aluminum alloy, and that causes the refrigerant flowing inside the flat tubes (16) and the air flowing along the metal plates (19) to exchange heat with each other. The refrigerant repeats a refrigeration cycle by circulating through the outdoor heat exchanger (23) and the indoor heat exchanger (27).
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