[Problems] To provide a refrigerant which is obtained by mixing a refrigerant, dimethyl ether, and carbon dioxide and which has such excellent performances that it does not cause ozonosphere depletion, has extremely low global warming potential, and is safe and nontoxic. [Means for solving problems] The refrigerant composition for refrigerating machines contains 1-10 mol% dimethyl ether and 99-90 mol% carbon dioxide.
申请公布号
EP1923446(A1)
申请公布日期
2008.05.21
申请号
EP20060796446
申请日期
2006.08.16
申请人
JAPAN PETROLEUM EXPLORATION CO. LTD.;SHOWA TANSAN CO., LTD.;TOYOTA TSUSHO CORPORATION