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公开(公告)号：US20210054301A1
公开(公告)日：2021-02-25
申请号：US16077932
申请日：2017-02-15
发明人： Yohei SHONO , Akira TADA , Yuya MIZUTANI , Takeshi OKIDO , Hidetoshi OGATA , Tatsuki NAKAJIMA
IPC分类号： C10M171/00 , C09K5/04 , C10M131/04 , C10M169/04 , C10M101/00
摘要： The present invention provides a refrigerating machine oil comprising a hydrocarbon-based base oil having a viscosity index of 120 or less, and the refrigerating machine oil being used with a 1-chloro-2,3,3,3-tetrafluoropropene refrigerant.
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公开(公告)号：US20190127659A1
公开(公告)日：2019-05-02
申请号：US16092630
申请日：2017-04-14
IPC分类号： C10M169/04 , C10M105/38 , C10M107/24 , C10M145/14 , C09K5/04
摘要： The present invention provides a refrigerating machine oil comprising: a lubricating base oil; and 40 mass % or less of a polymer, based on a total amount of the refrigerating machine oil, the polymer having a structural unit represented by the following formula (I) and a weight average molecular weight of from 500 to 100000. [In formula (I), Ra, Rb and Rc each independently represents a hydrogen atom or a hydrocarbon group, and Rd represents an oxygen-containing organic group or a C1-18 hydrocarbon group.]
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公开(公告)号：US20210230501A1
公开(公告)日：2021-07-29
申请号：US16479706
申请日：2018-01-30
发明人： Fumiyuki NARA , Yohei SHONO , Takeshi OKIDO , Hidetoshi OGATA
IPC分类号： C10M171/00 , C10M171/02
摘要： An aspect of the present invention relates to a refrigerating machine oil with a kinematic viscosity at 100° C. of 0.5 mm2/s or more and 1.5 mm2/s or less, a 90% distillation temperature in gas chromatography distillation of 280° C. or more and less than 360° C., and an aniline point of 70° C. or more.
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公开(公告)号：US20190062613A1
公开(公告)日：2019-02-28
申请号：US16172297
申请日：2018-10-26
IPC分类号： C09K5/04 , C10M105/18 , C10M171/00 , C10M105/38 , C10M107/24 , C10M107/34
CPC分类号： C09K5/045 , C09K2205/106 , C09K2205/12 , C09K2205/126 , C09K2205/22 , C10M105/18 , C10M105/38 , C10M107/24 , C10M107/34 , C10M171/008 , C10M2207/2835 , C10M2209/043 , C10M2209/1033 , C10M2209/1045 , C10M2209/1055 , C10M2209/1085 , C10N2220/302 , C10N2220/306 , C10N2230/10 , C10N2230/70 , C10N2240/30
摘要： The working fluid composition for a refrigerating machine of the present invention comprises a refrigerant comprising a first refrigerant component and a second refrigerant component, and having a global warming potential (GWP) of 500 or less, wherein the first refrigerant component is at least one selected from difluoromethane and tetrafluoropropene, and the second refrigerant component is at least one selected from carbon dioxide and a hydrocarbon having 3 to 4 carbon atoms; and a refrigerating machine oil comprising at least one selected from a polyol ester, a polyvinyl ether arid a polyalkylene glycol compound as a base oil, wherein a carbon/oxygen molar ratio of the base oil is 2.5 or more and 5.8 or less.
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公开(公告)号：US20200308504A1
公开(公告)日：2020-10-01
申请号：US16769352
申请日：2018-11-19
发明人： Fumiyuki NARA , Yohei SHONO , Takeshi OKIDO , Hidetoshi OGATA
IPC分类号： C10M137/10 , C10M169/04 , C09K5/10
摘要： A refrigerating oil comprising a lubricating base oil, a first extreme pressure agent containing sulfur and phosphorus as constituent elements and a second extreme pressure agent containing phosphorus but not containing sulfur as constituent elements, and having a kinematic viscosity at 100° C. of 0.5 mm2/s or more and 2.5 mm2/s or less.
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公开(公告)号：US20190194567A1
公开(公告)日：2019-06-27
申请号：US16327444
申请日：2017-09-14
IPC分类号： C10M137/10 , C10M169/04 , C09K5/04 , C10M105/38
CPC分类号： C10M137/105 , C09K5/04 , C09K5/045 , C10M105/38 , C10M137/10 , C10M169/04 , C10M2207/2805 , C10M2223/047
摘要： The present invention, in one aspect, provides a refrigerating machine oil including a lubricating base oil and a compound represented by the following formula (A): wherein R1 and R2 each independently represent a monovalent hydrocarbon group, and R3 and R4 each independently represent a hydrogen atom or an alkyl group, the refrigerating machine oil being used with a refrigerant including an unsaturated hydrofluorocarbon.
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公开(公告)号：US20180215977A1
公开(公告)日：2018-08-02
申请号：US15748343
申请日：2016-07-26
发明人： Takeshi OKIDO , Hiroko SHIMPO , Yuya MIZUTANI , Hidetoshi OGATA
IPC分类号： C09K5/04 , C10M105/38 , C10M105/42
摘要： The present invention provides a working fluid composition for a refrigerating machine containing: a refrigerating machine oil containing: a first ester that is a polyol ester of dipentaerythritol and at least one fatty acid selected from fatty acids having 4 to 10 carbon atoms, and has a kinematic viscosity at 100° C. of 7.0 mm2/s or more; and a second ester that is a complex ester of a polyhydric alcohol containing at least one selected from neopentyl glycol, trimethylolpropane and pentaerythritol, a polybasic acid having 6 to 12 carbon atoms, and a monohydric alcohol having 4 to 18 carbon atoms or a fatty acid having 4 to 18 carbon atoms; and a refrigerant containing difluoromethane.
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公开(公告)号：US20200369979A1
公开(公告)日：2020-11-26
申请号：US16769342
申请日：2018-11-19
发明人： Fumiyuki NARA , Yohei SHONO , Takeshi OKIDO , Hidetoshi OGATA
IPC分类号： C10M171/00 , C10M171/02 , C10M101/02 , C10M137/10
摘要： A refrigerating machine oil having a kinematic viscosity at 100° C. of 0.5 mm2/s or more and 2.5 mm2/s or less, a distillation end point in gas chromatography distillation of 380° C. or more and 450° C. or less, and a sulfur content of 0.001 mass % or more and 0.2 mass % or less.
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公开(公告)号：US20190078005A1
公开(公告)日：2019-03-14
申请号：US16077922
申请日：2017-02-15
发明人： Yohei SHONO , Akira TADA , Yuya MIZUTANI , Takeshi OKIDO , Hidetoshi OGATA
IPC分类号： C09K5/04 , C10M171/00 , C10M169/04
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 7.5 or less, and the refrigerating machine oil being used with a 1-chloro-2,3,3,3-tetrafluoropropene refrigerant.
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