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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：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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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：US20190161701A1
公开(公告)日：2019-05-30
申请号：US16320803
申请日：2017-07-28
发明人： Yohei SHONO , Yuya MIZUTANI , Kentaro YAMAGUCHI , Akira TADA , Hidetoshi OGATA
IPC分类号： C10M171/00 , C10M137/04 , C10M105/32 , C10M107/34 , C10M129/18 , C10M169/04
摘要： The present invention provides a refrigerating machine oil including a lubricating base oil and a compound represented by the following formula (A): wherein Ra and Rb each independently represent a monovalent hydrocarbon group, Rc represents a divalent hydrocarbon group, X represents a polar group, and Za and Zb each independently represent oxygen atom or sulfur atom.
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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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