公开(公告)号：EP4230712A1

公开(公告)日：2023-08-23

申请号：EP21898109.0

申请日：2021-11-26

申请人： ENEOS Corporation

发明人： MIZUTANI Yuya ,  YAMAGUCHI Kentaro ,  OKAZAKI Motoya ,  OGATA Hidetoshi

IPC分类号： C10M171/02 ,  C10N20/00 ,  C10N20/02 ,  C10N30/00 ,  C10N30/02 ,  C10N30/06 ,  C10N40/02 ,  C10N40/30 ,  C10M137/00 ,  F25B1/00 ,  C09K5/04

摘要： A working fluid filled in a refrigerant circulation system comprising a compressor, a condenser, an expansion mechanism, an evaporator, and an accumulator, the working fluid comprising: a refrigerant; and a refrigerating machine oil, wherein the refrigerant comprises a hydrocarbon refrigerant having 2 to 4 carbon atoms, the refrigerating machine oil has a mixed aniline point of 20°C or higher and 50°C or lower and a viscosity index of 110 or more, an amount of the refrigerant dissolved in the working fluid is 40% by mass or less under conditions of a temperature of 80°C and an absolute pressure of 2.8 MPa, and the refrigerating machine oil has a kinematic viscosity at -10°C of 200 mm 2 /s or more and 3000 mm 2 /s or less.

公开(公告)号：EP4357445A1

公开(公告)日：2024-04-24

申请号：EP22849628.7

申请日：2022-07-29

申请人： ENEOS Corporation

发明人： NARA Fumiyuki ,  TAKAKI Tomohiro ,  MIZUTANI Yuya ,  ANDO Makoto ,  OGATA Hidetoshi

IPC分类号： C10N20/00 ,  C10N30/06 ,  C10N40/30 ,  C10M101/02 ,  C10M105/04 ,  C09K5/04

CPC分类号： C10N2030/0620130101 ,  C10N2040/3020130101 ,  C09K5/04 ,  C10M101/02 ,  C10M171/008 ,  C10N2020/10320200501 ,  C10M2203/100620130101 ,  C10N2020/01520200501 ,  C10N2020/0420130101 ,  C10N2020/06520200501 ,  C10N2020/07120200501 ,  C10N2030/0220130101 ,  C10N2020/01720200501 ,  C10N2030/2020130101 ,  C10N2030/0820130101 ,  C10M2205/17320130101 ,  C10M2203/102520130101 ,  C10M2223/04120130101 ,  C10M2223/04720130101 ,  C10M2205/02820130101

摘要： A base oil for a refrigerating machine oil, having cyclic saturates of 40% by mass or less and non-cyclic saturates of 60% by mass or more in saturates, a density at 15°C of 0.805 g/cm3 or lower, and a normal paraffin content of 50% by mass or less.

公开(公告)号：EP4130215A1

公开(公告)日：2023-02-08

申请号：EP21780784.1

申请日：2021-03-12

申请人： ENEOS Corporation

发明人： NAGAI Satoshi ,  NAKAJIMA Tatsuki ,  MIZUTANI Yuya ,  OGATA Hidetoshi

IPC分类号： C10M169/04 ,  C10N30/00 ,  C10N40/30 ,  C10M105/32 ,  C10M129/10 ,  C10M129/18 ,  C09K5/04

摘要： An aspect of the present invention provides a refrigerating machine oil containing an ester-based base oil, at least one epoxy compound selected from an alkyl glycidyl ether and an aryl glycidyl ether, and a phenol-based antioxidant, wherein a content of the epoxy compound is 0.7% by mass or more based on a total amount of the refrigerating machine oil, and the refrigerating machine oil is used with a refrigerant containing trifluoroiodomethane.