公开(公告)号：US20190218474A1

公开(公告)日：2019-07-18

申请号：US16337134

申请日：2016-09-28

申请人： JTEKT CORPORATION ,  KYODO YUSHI CO., LTD.

发明人： Koji YOSHIZAKI ,  Hiroshi INUKAI ,  Yoichiro SANKAI ,  Shinji YAMANE ,  Hideo SHIBATA ,  Hirofumi INOUE ,  Ryuji NAKATA ,  Junichi IMAI ,  Yutaka IMAI ,  Ryosuke SAITO ,  Yuta SATO

IPC分类号： C10M169/00 ,  C10M115/08 ,  C10M137/08 ,  C10M159/24 ,  C10M143/02

CPC分类号： C10M169/00 ,  C10M115/08 ,  C10M137/00 ,  C10M137/08 ,  C10M143/00 ,  C10M143/02 ,  C10M159/24 ,  C10M169/06 ,  C10M2205/14 ,  C10M2215/1026 ,  C10M2223/043 ,  C10N2210/02 ,  C10N2220/022 ,  C10N2240/02 ,  C10N2250/10

摘要： 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：US20180298304A1

公开(公告)日：2018-10-18

申请号：US15580127

申请日：2016-06-09

申请人： JTEKT CORPORATION ,  JXTG NIPPON OIL & ENERGY CORPORATION

发明人： Koji YOSHIZAKI ,  Hiroshi INUKAI ,  Yoichiro SANKAI ,  Shinji YAMANE ,  Hideo SHIBATA ,  Hirofumi INOUE ,  Ryuji NAKATA ,  Kazumi SAKAI ,  Kentaro YAMAGUCHI ,  Kiyomi SAKAMOTO

IPC分类号： C10M169/06 ,  F16C33/66 ,  C10M107/02 ,  C10M115/08 ,  C10M141/10

摘要： Provided is a grease composition containing a base oil, a thickener, and an additive. The base oil contains a poly-α-olefin and has a kinematic viscosity of 20-60 mm2/s at 40° C. The thickener contains a urea compound produced by reacting a diisocyanate compound with a mixed amine containing an alicyclic amine and an aromatic amine. The additive contains a phosphorous acid ester, an ether compound, and an oxidized paraffin.

公开(公告)号：US20140102235A1

公开(公告)日：2014-04-17

申请号：US14046014

申请日：2013-10-04

申请人： JTEKT CORPORATION

发明人： Yuji WAKUGAWA ,  Ryuji NAKATA ,  Atsuhiro YOSHIDA ,  Wataru YAMADA ,  Jun HAMAKITA ,  Hideyuki HONKADO

IPC分类号： B62D3/04 ,  F16H1/16

CPC分类号： B62D3/04 ,  B62D5/0409 ,  F16H1/16 ,  F16H57/039 ,  F16H57/0464 ,  F16H57/0498 ,  Y10T74/19828

摘要： A speed reducer for an electric power steering system includes a worm, a worm wheel, and a housing. Only a meshing section where the worm and the worm wheel mesh with each other and a space between the worm wheel and the housing are filled with grease. The grease in the space is in contact with both tooth surfaces of the worm wheel and an inner peripheral face of the housing, the inner peripheral face facing the worm wheel.

摘要翻译： 用于电动助力转向系统的减速器包括蜗杆，蜗轮和壳体。 只有蜗杆和蜗轮彼此啮合的啮合部分和蜗轮与壳体之间的空间被填满了油脂。 空间中的油脂与蜗轮的两个齿面和壳体的内周面接触，内周面与蜗轮相对。