公开(公告)号：US20250019613A1

公开(公告)日：2025-01-16

申请号：US18904404

申请日：2024-10-02

Applicant: KYODO YUSHI CO., LTD.

Inventor： Ryosuke ICHIMURA ,  Satoshi NOUYAMA ,  Tomonobu KOMORIYA ,  Makoto HAYAMA

IPC: C10M125/02 ,  C10M169/04 ,  C10N20/06 ,  C10N30/02 ,  C10N30/04 ,  C10N30/12 ,  C10N40/02

Abstract: A lubricant composition includes 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：US11421176B2

公开(公告)日：2022-08-23

申请号：US16337134

申请日：2016-09-28

Applicant: JTEKT CORPORATION ,  KYODO YUSHI CO., LTD.

Inventor： Koji Yoshizaki ,  Hiroshi Inukai ,  Yoichiro Sankai ,  Shinji Yamane ,  Hideo Shibata ,  Hirofumi Inoue ,  Ryuji Nakata ,  Junichi Imai ,  Yutaka Imai ,  Ryosuke Saito ,  Yuta Sato

IPC: C10M169/04 ,  C10M169/00 ,  C10M115/08 ,  C10M137/08 ,  C10M159/24 ,  C10M143/02 ,  C10M169/06 ,  C10M137/00 ,  C10M143/00 ,  C10N10/04 ,  C10N20/02 ,  C10N40/02 ,  C10N50/10

Abstract: A grease composition includes a base oil, a thickener, and an additive. The base oil contains a synthetic oil. The thickener contains a compound having a urea group. The additive contains a phosphoric compound, a calcium-based compound, and a hydrocarbon-based wax. A hub unit includes the grease composition enclosed therein.

公开(公告)号：US20220017837A1

公开(公告)日：2022-01-20

申请号：US17376684

申请日：2021-07-15

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA ,  KYODO YUSHI CO., LTD.

Inventor： Junichi SUDO ,  Youji KANEHARA ,  Koushi YAMADA ,  Kenichiro SAKURAI ,  Ko TANIMURA ,  Tomonobu KOMORIYA

IPC: C10M169/00 ,  C10M101/00 ,  C10M115/08 ,  C10M125/02 ,  C10M147/00 ,  C10M161/00

Abstract: One aspect of the disclosure relates to a sliding member. The sliding member includes: a first sliding portion having a first lubricant placed between first parts of a first friction sliding mechanism; and a second sliding portion having a second lubricant placed between second parts of a second friction sliding mechanism. The first sliding portion has a lubricant feed port from which the first lubricant is fed, and the second sliding portion has no lubricant feed port from which the second lubricant is fed. The first lubricant contains base oil and an additive. The second lubricant contains base oil and an additive containing conductive carbon. The second lubricant contains a relatively larger amount of conductive carbon than the first lubricant.

公开(公告)号：US20220017834A1

公开(公告)日：2022-01-20

申请号：US17364856

申请日：2021-06-30

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA ,  KYODO YUSHI CO., LTD.

Inventor： Junichi SUDO ,  Youji KANEHARA ,  Koushi YAMADA ,  Kenichiro SAKURAI ,  Ko TANIMURA ,  Tomonobu KOMORIYA

IPC: C10M125/02 ,  C10M169/00 ,  C10M115/08 ,  C10M147/00 ,  C10M161/00 ,  B62D5/04 ,  B62D1/16 ,  E05F7/00 ,  F16D65/00 ,  B60J7/02 ,  B60N2/90

Abstract: The present disclosure relates to an automotive slide member including a first slide portion having a first lubricant applied between first portions of a first friction slide mechanism, and a second slide portion having a second lubricant applied between second portions of a second friction slide mechanism. The first slide portion is arranged at a part to be touched by an operator who attaches the automotive slide member to an automobile or a user of the automobile. The second slide portion is arranged at a part that is not touched by the operator who attaches the automotive slide member to the automobile or the user of the automobile. The second lubricant contains a relatively larger amount of conductive carbon than that of the first lubricant.

公开(公告)号：US11053451B2

公开(公告)日：2021-07-06

申请号：US16487137

申请日：2018-02-20

Applicant: Kyodo Yushi Co., Ltd. ,  Nabtesco Corporation

Inventor： Ko Tanimura ,  Ryosuke Ichimura ,  Ryosuke Saito ,  Hongyou Wang ,  Takahide Kumagai

IPC: C10M169/04 ,  C10M107/02 ,  C10M129/10 ,  C10M129/54 ,  C10M129/72 ,  C10M135/10 ,  C10M135/36 ,  C10N10/04 ,  C10N20/02 ,  C10N30/02 ,  C10N30/06 ,  C10N30/08 ,  C10N30/10 ,  C10N40/04

Abstract: The invention provides a lubricant composition for an eccentric oscillating planetary gear type speed reducer comprising the following components (a) to (d): (a) a base oil containing a synthetic oil; (b) at least one calcium salt selected from the group consisting of calcium salts of petroleum sulfonic acids, calcium salts of alkyl aromatic sulfonic acids, calcium salts of salicylates, calcium salts of phenates, calcium salts of oxidized waxes, overbased calcium salts of petroleum sulfonic acids, overbased calcium salts of alkyl aromatic sulfonic acids, overbased calcium salts of salicylates, overbased calcium salts of phenates, and overbased calcium salts of oxidized waxes; (c) an antioxidant; and (d) a glycerin fatty acid ester.

公开(公告)号：US11021672B2

公开(公告)日：2021-06-01

申请号：US15372898

申请日：2016-12-08

Applicant: KYODO YUSHI CO., LTD. ,  Nabtesco Corporation

Inventor： Junichi Imai ,  Ryosuke Ichimura ,  Ryosuke Saito ,  Ko Tanimura ,  Hongyou Wang ,  Takahide Kumagai ,  Yasuyuki Hattori

IPC: C10L1/22 ,  C07C309/62 ,  C10M169/04 ,  C10M117/04 ,  C10M137/10 ,  C10N30/02 ,  C10N30/06 ,  C10N40/04

Abstract: The invention provides a lubricant composition for an eccentrically oscillating speed reducer of planetary gear type, which is capable of extending the life of the speed reducer under high temperatures and keeping low input torque at low temperatures, and includes (a) a base oil containing a synthetic oil, (b) a hydrocarbon wax, and (c) at least one calcium salt selected from the group consisting of a calcium salt of petroleum sulfonic acid, a calcium salt of alkyl aromatic sulfonic acid, a calcium salt of oxidized wax, an overbasic calcium salt of petroleum sulfonic acid, an overbasic calcium salt of alkyl aromatic sulfonic acid, and an overbasic calcium salt of oxidized wax.

公开(公告)号：US20190185780A1

公开(公告)日：2019-06-20

申请号：US16318825

申请日：2017-07-26

Applicant: KYODO YUSHI CO., LTD.

Inventor： Ryosuke SAITO ,  Yuta SATO ,  Iwaki HIROOKA

IPC: C10M169/00 ,  C10M137/10 ,  C10M129/74 ,  C10M141/10

CPC classification number: C10M169/00 ,  C10M129/32 ,  C10M129/40 ,  C10M129/74 ,  C10M137/04 ,  C10M137/10 ,  C10M141/02 ,  C10M141/10 ,  C10M2205/0206 ,  C10M2207/283 ,  C10M2223/045 ,  C10M2223/047 ,  C10N2220/022 ,  C10N2230/10 ,  C10N2230/12 ,  C10N2240/02 ,  C10N2250/10

Abstract: A grease composition comprises a thickener, a base oil, and a friction modifier. The friction modifier comprises: at least one selected from the group consisting of fatty acids, fatty acid metal salts, phosphate esters, thiophosphate esters, and zinc dithiophosphates; and a polyhydric alcohol ester.

公开(公告)号：US10280382B2

公开(公告)日：2019-05-07

申请号：US15140571

申请日：2016-04-28

Applicant: KYODO YUSHI CO., LTD. ,  NIDEC CORPORATION

Inventor： Iwaki Hirooka ,  Takayuki Oe ,  Sayuri Tsubata ,  Yuji Hagiwara

IPC: C10N30/10 ,  C10N40/02 ,  C10M129/70 ,  C10M169/04

Abstract: The invention provides a lubricating oil for fluid dynamic bearing including as a base oil a monoester oil free of unsaturated bond, and having an absolute viscosity of 2.0 to 3.0 mPa·s at 100° C. a viscosity index of 130 or more and a pour point of −20° C. or less.

公开(公告)号：US20180340128A1

公开(公告)日：2018-11-29

申请号：US15964188

申请日：2018-04-27

Applicant: KYODO YUSHI CO., LTD. ,  DENSO CORPORATION

Inventor： Takahiro NIHIRA ,  Hiroyuki ISHIKAWA ,  Masanori KOMABA ,  Shozo IKEJIMA ,  Yusuke ASADA ,  Takahiro NOZU ,  Takumi SHIOMI ,  Kyoji INUKAI

IPC: C10M101/04

Abstract: There is provided a press-fit lubricant composition comprising an unsaturated compound with an iodine value of 100 or more.

公开(公告)号：US10077411B2

公开(公告)日：2018-09-18

申请号：US14909377

申请日：2014-08-04

Applicant: KYODO YUSHI CO., LTD. ,  DENSO CORPORATION

Inventor： Terasu Yoshinari ,  Tomonobu Komoriya ,  Iwaki Hirooka ,  Masataka Muto ,  Satoru Nakazawa ,  Yoshinori Fukushima ,  Shigeyuki Mori

IPC: C10M135/36 ,  A01N29/04 ,  C10M173/02 ,  C10M115/08 ,  C10M101/02 ,  C10M105/04 ,  C10M105/18 ,  C10M105/42 ,  C10M135/04 ,  C10M135/06 ,  C10M169/00

CPC classification number: 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

Abstract: 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.)