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公开(公告)号：US10513666B2
公开(公告)日：2019-12-24
申请号：US15554128
申请日：2016-02-29
IPC分类号： C09K5/04 , C10M105/38
摘要： The invention provides a refrigerating machine oil comprising as a base oil at least one oxygen-containing oil having a carbon/oxygen molar ratio of 2.5 or more and 5.8 or less, and being used in combination with a (Z)-1,1,1,4,4,4-hexafluoro-2-butene refrigerant.
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公开(公告)号：US20180023025A1
公开(公告)日：2018-01-25
申请号：US15550177
申请日：2016-02-10
IPC分类号： C10M169/04 , C10M129/18 , C10M129/66 , C09K5/04 , C10M105/34
CPC分类号： C10M169/04 , C09K5/04 , C09K5/045 , C09K2205/122 , C09K2205/24 , C10M105/34 , C10M105/38 , C10M129/18 , C10M129/66 , C10M171/008 , C10M2207/042 , C10M2207/28 , C10M2207/2815 , C10M2207/2835 , C10N2230/08 , C10N2240/30
摘要： The present invention provides a refrigerating machine oil comprising: a base oil containing an ester of dipentaerythritol with 2-methylbutanoic acid and n-pentanoic acid; and at least one epoxy compound selected from the group consisting of a glycidyl ester compound and a glycidyl ether compound, the refrigerating machine oil being used with a difluoromethane refrigerant.
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公开(公告)号：US10047315B2
公开(公告)日：2018-08-14
申请号：US15521653
申请日：2015-11-11
IPC分类号： C09K5/04 , C10M105/38 , C10M129/10 , C10M171/00
摘要： The present invention provides a refrigerating machine oil comprising: a base oil comprising an ester of a polyhydric alcohol and a fatty acid comprising 20 to 100% by mol of a branched fatty acid having 4 to 9 carbon atoms; and 0.2 to 0.5% by mass of a phenol-based antioxidant based on a total amount of the refrigerating machine oil, and the refrigerating machine oil being used with trifluoroethylene refrigerant.
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公开(公告)号：US20180037836A1
公开(公告)日：2018-02-08
申请号：US15554128
申请日：2016-02-29
IPC分类号： C10M105/38 , C09K5/04
CPC分类号： C10M105/38 , C09K5/045 , C09K2205/104 , C09K2205/126 , C09K2205/24 , C10M105/08 , C10M171/008 , C10M2207/026 , C10M2207/042 , C10M2207/2835 , C10M2207/3045 , C10M2209/1055 , C10M2223/041 , C10N2220/022 , C10N2220/027 , C10N2220/028 , C10N2220/302 , C10N2230/10 , C10N2230/70 , C10N2240/30 , C10M2209/1085
摘要： The invention provides a refrigerating machine oil comprising as a base oil at least one oxygen-containing oil having a carbon/oxygen molar ratio of 2.5 or more and 5.8 or less, and being used in combination with a (Z)-1,1,1,4,4,4-hexafluoro-2-butene refrigerant.
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公开(公告)号：US10351793B2
公开(公告)日：2019-07-16
申请号：US15550177
申请日：2016-02-10
IPC分类号： C10M169/04 , C10M105/38 , C10M129/18 , C10M129/66 , C09K5/04 , C10M105/34 , C10M171/00
摘要： The present invention provides a refrigerating machine oil comprising: a base oil containing an ester of dipentaerythritol with 2-methylbutanoic acid and n-pentanoic acid; and at least one epoxy compound selected from the group consisting of a glycidyl ester compound and a glycidyl ether compound, the refrigerating machine oil being used with a difluoromethane refrigerant.
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公开(公告)号：US10323208B2
公开(公告)日：2019-06-18
申请号：US15522670
申请日：2015-10-22
IPC分类号： C10M171/00 , C09K5/04 , C11C3/00 , C08K5/053 , C08K5/09
摘要： The present invention provides a refrigerating machine oil containing an ester base oil obtained from pentaerythritol and mixed fatty acids of a fatty acid having 8 carbon atoms and a fatty acid having 9 carbon atoms, wherein a ratio of a weight average molecular weight Mw to a number average molecular weight Mn, Mw/Mn, of the ester base oil is 1.06 to 1.20, and used with a mildly flammable hydrofluorocarbon refrigerant.
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公开(公告)号：US10023823B2
公开(公告)日：2018-07-17
申请号：US15516150
申请日：2015-09-24
IPC分类号： C09K5/04 , C10M105/40
摘要： The present invention provides a refrigerating machine oil comprising, as a base oil, at least one oxygen-containing oil having a carbon/oxygen molar ratio of 2.5 or more and 5.8 or less, wherein the refrigerating machine oil is used with a refrigerant comprising 15% by mass or more of difluoromethane, 15% by mass or more of pentafluoroethane, 15% by mass or more of 2,3,3,3-tetrafluoropropene and 15% by mass or more of 1,1,1,2-tetrafluoroethane based on the total amount of the refrigerant.
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公开(公告)号：US10053644B2
公开(公告)日：2018-08-21
申请号：US15116110
申请日：2015-02-02
IPC分类号： C09K5/04 , C10M107/24 , C10M171/00 , F25B31/00
CPC分类号： C10M107/24 , C09K5/045 , C09K2205/122 , C09K2205/126 , C10M171/008 , C10M2209/043 , C10N2220/302 , C10N2230/06 , C10N2240/30 , F25B31/002 , F25B2400/12 , F25B2500/16
摘要： The present invention provides a refrigerating machine oil comprising a polyvinylether having a structural unit represented by the following formula (1): wherein R1, R2, and R3 may be the same or different from each other and each represent a hydrogen atom or a hydrocarbon group, R4 represents a divalent hydrocarbon group or an ethereal oxygen-containing divalent hydrocarbon group, R5 represents a hydrocarbon group, m represents an integer of 0 or more, and in the case where m is 2 or more, a plurality of R4 may be the same or different from each other, a number average molecular weight Mn is 500 or more and 2000 or less, a ratio of a weight average molecular weight Mw to a number average molecular weight Mn, Mw/Mn, is 1.10 or more and 1.25 or less, and the refrigerating machine oil is used with a mildly flammable hydrofluorocarbon refrigerant.
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公开(公告)号：US10253276B2
公开(公告)日：2019-04-09
申请号：US15305568
申请日：2015-03-23
IPC分类号： C09K5/04 , C10M171/00 , C10M101/02 , C10M105/06 , C10M137/10 , C10M169/04
摘要： The invention provides a refrigerating machine oil comprising a hydrocarbon-based base oil, the refrigerating machine oil having a viscosity index of 120 or less, and being used with a 1-chloro-3,3,3-trifluoropropene refrigerant.
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公开(公告)号：US20180265801A1
公开(公告)日：2018-09-20
申请号：US15985029
申请日：2018-05-21
发明人： Hitoshi Takahashi , Ken Sawada , Akira Tada , Souichirou Konno
IPC分类号： C10M171/00 , C09K5/04 , C08L71/02 , C10M107/34 , C10N40/30
CPC分类号： C10M171/008 , C08L71/02 , C09K5/045 , C09K2205/126 , C10M107/34 , C10M2209/1033 , C10M2209/1045 , C10M2209/1055 , C10M2209/1065 , C10M2209/1075 , C10M2209/1085 , C10N2040/30 , C10N2220/021 , C10N2220/302 , C10N2230/08 , C10N2240/30
摘要： The refrigerating machine oil according to the present invention comprises a polyalkylene glycol represented by the following formula (1): R1—(OR3)n—OR2 (1) [R1 and R2 may be the same or different from each other and each represent a hydrogen atom, an alkyl group having from 1 to 5 carbon atoms, or an acyl group having from 2 to 5 carbon atoms, R3 represents an alkylene group having from 2 to 4 carbon atoms, n represents an integer such that a number average molecular weight of the polyalkylene glycol represented by the formula (1) is from 1000 to 2500] the polyalkylene glycol having a ratio of the weight average molecular weight Mw to the number average molecular weight Mn, Mw/Mn, of from 1.00 to 1.15, the refrigerating machine oil being used with a mildly flammable hydrofluorocarbon refrigerant.
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