公开(公告)号：EP3428254A1

公开(公告)日：2019-01-16

申请号：EP17763312.0

申请日：2017-03-08

申请人： Kyodo Yushi Co., Ltd.

发明人： YOSHINARI Terasu ,  KOMORIYA Tomonobu ,  TAKEYAMA Yuki

IPC分类号： C10M169/02 ,  C10M115/08 ,  C10M105/18 ,  C10N30/00 ,  C10N30/02 ,  C10N40/02 ,  C10N50/10

摘要： The present invention provides a grease composition including a thickener and a base oil, in which the thickener is a urea compound represented by the following formula (1)

        R 1 -NHCONH-R 2 -NHCONH-R 3      (1)

wherein R 2 represents a divalent aromatic hydrocarbon group having 6 to 15 carbon atoms, and R 1 and R 3 may be the same or different and each represent an alkyl group having 8 to 22 carbon atoms, a cyclohexyl group, or an aryl group having 6 to 12 carbon atoms, and
as the base oil, one or more types of a compound represented by the following formula (2) are contained at 40% by mass or more relative to a total mass of the base oil
wherein R 4 and R 5 may be the same or different and each represent a linear or branched alkyl group having 10 to 26 carbon atoms, where m and n are real numbers being 0 or more which satisfy m + n = 2.

公开(公告)号：EP4130213A1

公开(公告)日：2023-02-08

申请号：EP21779270.4

申请日：2021-03-30

申请人： Kyodo Yushi Co., Ltd.

发明人： SOMA Minami ,  KOCHI Tsuyoshi ,  KOMORIYA Tomonobu

IPC分类号： C10M169/04 ,  C10N10/04 ,  C10N20/00 ,  C10N20/02 ,  C10N30/00 ,  C10N40/00 ,  C10N50/10 ,  C10M107/02 ,  C10M129/40 ,  C10M129/74 ,  C10M135/10

摘要： The ball screw grease composition of the present invention for a rack-assisted electric power steering contains a thickener, a base oil, and at least one compound selected from the group consisting of a Ca sulfonates, fatty acids, and triglycerides, wherein the kinematic viscosity of the base oil at 40°C is 4-100 mm2/s, and the worked penetration of the composition is 265-385.

公开(公告)号：EP3029132A1

公开(公告)日：2016-06-08

申请号：EP14832412.2

申请日：2014-08-04

申请人： Kyodo Yushi Co., Ltd. ,  Denso Corporation

发明人： YOSHINARI Terasu ,  KOMORIYA Tomonobu ,  HIROOKA Iwaki ,  MUTO Masataka ,  NAKAZAWA Satoru ,  FUKUSHIMA Yoshinori ,  MORI Shigeyuki

IPC分类号： C10M135/04 ,  C10M135/06 ,  C10M135/22 ,  C10M135/28 ,  C10M135/34 ,  C10M135/36 ,  C10M169/00 ,  C10M169/04 ,  C10M169/06 ,  C10M101/02 ,  C10M105/18 ,  C10M105/32 ,  C10M115/08 ,  C10N30/00 ,  C10N40/02 ,  C10N50/10

CPC分类号： C10M135/36 ,  C10M101/02 ,  C10M105/04 ,  C10M105/18 ,  C10M105/42 ,  C10M115/08 ,  C10M135/04 ,  C10M135/06 ,  C10M169/00 ,  C10M2215/1026 ,  C10M2219/022 ,  C10M2219/024 ,  C10M2219/082 ,  C10M2219/086 ,  C10M2219/102 ,  C10M2219/106 ,  C10N2230/06 ,  C10N2240/02 ,  C10N2250/10

摘要： The invention provides a grease composition containing a base oil, a thickener, and an anti-flaking additive such as a compound represented by, for example, formula (1-1), which grease composition can prevent the white layer flaking of the rolling bearings. (In the formula, R1 and R4 are each independently a straight-chain or branched alkyl or alkenyl group having 1 to 20 carbon atoms.)

摘要翻译： 本发明提供一种润滑脂组合物，其含有基础油，增稠剂和抗剥落添加剂，例如由式（1-1）表示的化合物，该润滑脂组合物可防止滚动轴承的白色层剥落 。 （式中，R 1和R 4各自独立地为碳原子数1〜20的直链或支链的烷基或链烯基。）

公开(公告)号：EP4198111A1

公开(公告)日：2023-06-21

申请号：EP21875787.0

申请日：2021-09-30

申请人： Kyodo Yushi Co., Ltd.

发明人： ICHIMURA Ryosuke ,  NOUYAMA Satoshi ,  KOMORIYA Tomonobu ,  HAYAMA Makoto

IPC分类号： C10M171/00 ,  C10N20/06 ,  C10N30/00 ,  C10N40/02 ,  C10N40/04 ,  C10N50/10 ,  F16C33/66 ,  C10M101/02 ,  C10M105/06 ,  C10M105/18 ,  C10M105/32 ,  C10M107/34 ,  C10M107/38 ,  C10M107/50 ,  C10M113/10 ,  C10M113/12 ,  C10M113/16 ,  C10M115/08 ,  C10M117/02 ,  C10M119/20 ,  C10M119/22

摘要： A lubricant composition comprises a base oil and at least one of carbon nanotubes with a diameter of 0.4 to 9.0 nm in an amount of 0.001 to 0.08% by mass relative to a total mass of the composition, and the composition has a consistency of 200 to 440.

公开(公告)号：EP3916075A1

公开(公告)日：2021-12-01

申请号：EP20745725.0

申请日：2020-01-21

申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA ,  Kyodo Yushi Co., Ltd.

发明人： SUDO Junichi ,  ARAI Hiroyuki ,  KANEHARA Youji ,  YAMADA Koushi ,  TANIMURA Ko ,  KOMORIYA Tomonobu

IPC分类号： C10M169/04 ,  C10N30/00 ,  C10N40/02 ,  C10N50/10 ,  F16C33/66 ,  C10M125/02 ,  C10M147/02

摘要： The present invention provides a lubricant that enables to improve control stability of an automobile or the like having a vehicle body charged by driving. One aspect of the present invention relates to a lubricant for improving control stability of an automobile, comprising a base oil and an additive containing a carbon black. Another aspect of the present invention relates to a kit for improving control stability of an automobile, comprising a discharging member including a protrusion that performs a self-discharging by air-ionizing and the lubricant of the one aspect of the present invention. Yet another aspect of the present invention relates to a method for improving control stability of an automobile.