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公开(公告)号：EP3730866A1
公开(公告)日：2020-10-28
申请号：EP18892000.3
申请日：2018-12-18
发明人： OHTSUKA, Keisuke , ITANO, Mitsushi , KARUBE, Daisuke , YOTSUMOTO, Yuuki , TAKAHASHI, Kazuhiro , KOMATSU, Yuzo , OHKUBO, Shun , TAKAKUWA, Tatsuya , TSUDA, Tetsushi
摘要： In an air conditioner that uses a refrigerant mixture containing at least 1,2-difluoroethylene, high efficiency is achieved. The motor rotation rate of a compressor (100) can be changed in accordance with an air conditioning load, and thus a high annual performance factor (APF) can be achieved. In addition, an electrolytic capacitor is not required on an output side of a rectifier circuit (21), and thus an increase in the size and cost of the circuit is suppressed.
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公开(公告)号：EP3730580A1
公开(公告)日：2020-10-28
申请号：EP18891899.9
申请日：2018-12-18
发明人： KUMAKURA, Eiji , YAMADA, Takuro , YOSHIMI, Atsushi , IWATA, Ikuhiro , ITANO, Mitsushi , KARUBE, Daisuke , YOTSUMOTO, Yuuki , TAKAHASHI, Kazuhiro , TAKAKUWA, Tatsuya , KOMATSU, Yuzo , OHKUBO, Shun , OHTSUKA, Keisuke , ASANO, Yoshinari , AOTA, Keiji , YANAGI, Yuuichi , NAKAO, Yoshikazu , ABE, Takeo , TODA, Yumi , TSUDA, Tetsushi
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：EP3825382A1
公开(公告)日：2021-05-26
申请号：EP19837823.4
申请日：2019-07-16
发明人： KUMAKURA, Eiji , YAMADA, Takuro , YOSHIMI, Atsushi , IWATA, Ikuhiro , ASANO, Yoshinari , OHTSUKA, Keisuke , AOTA, Keiji , ITANO, Mitsushi , OHKUBO, Shun , TAKAKUWA, Tatsuya , KARUBE, Daisuke , YOTSUMOTO, Yuuki , GOBOU, Kenji , KUROKI, Hitomi , GOTOU, Tomoyuki , MIZUNO, Akihito , YAMADA, Yasufu , TSUCHIYA, Tatsumi , YANAGI, Yuuichi , NAKAO, Yoshikazu , ABE, Takeo , TODA, Yumi , TSUDA, Tetsushi
IPC分类号： C09K5/04
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：EP3730864A1
公开(公告)日：2020-10-28
申请号：EP18890338.9
申请日：2018-12-18
发明人： OHTSUKA, Keisuke , ITANO, Mitsushi , KARUBE, Daisuke , YOTSUMOTO, Yuuki , TAKAHASHI, Kazuhiro , KOMATSU, Yuzo , OHKUBO, Shun , TAKAKUWA, Tatsuya , TSUDA, Tetsushi
摘要： In an air conditioner that uses a refrigerant mixture containing at least 1,2-difluoroethylene, high efficiency is achieved. In the air conditioner (1), a compressor (100, 200) can be driven without interposing a power conversion device between an AC power source (90, 190) and a motor (70, 170). Thus, it is possible to provide the air conditioner (1) that is environmentally friendly and has a relatively inexpensive configuration.
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