公开(公告)号：EP4317850A1

公开(公告)日：2024-02-07

申请号：EP22780223.8

申请日：2022-03-18

申请人： Osaka Gas Co., Ltd.

发明人： WAKABAYASHI, Tsutomu ,  HATTORI, Saori ,  YABASE, Hajime ,  INOUE, Naoyuki ,  IKUMI, Yonezo ,  SAITO, Kiyoshi

IPC分类号： F25B15/00 ,  F25B29/00 ,  F25B1/00

摘要： An absorption cycle (110) according to the present invention is configured to operate using: a refrigerant having a global warming potential of less than 1000, and including at least one of an HFO-based refrigerant, an HFC-based refrigerant, and an HCFO-based refrigerant; and an absorbing liquid including at least one compound represented by Formulas (1), (2), and (3): R 1 -(OCH 2 CH 2 ) n -OR 2 (1) R 1 -(OCH 2 CH(CH 3 )) n -OR 2 (2) R 1 COO-(OCH 2 CH 2 ) n -OR 2 (3) where R 1 and R 2 are each independently a hydrogen atom or an alkyl group having a carbon number of 1 or more and 6 or less, and n is an integer of 1 or more and 6 or less.