公开(公告)号：US20230212474A1

公开(公告)日：2023-07-06

申请号：US17928054

申请日：2021-04-07

Applicant: JTEKT CORPORATION ,  ENEOS Corporation

Inventor： Koji YOSHIZAKI ,  Kazunori MIYAKE ,  Kazumi SAKAI ,  Yusuke AYAME ,  Kiyomi SAKAMOTO

IPC: C10M107/02 ,  C10M115/08 ,  C10M135/10 ,  C10M137/10 ,  C10M169/06 ,  F16C19/38 ,  F16C33/66

CPC classification number: C10M107/02 ,  C10M115/08 ,  C10M135/10 ,  C10M137/10 ,  C10M169/06 ,  F16C19/38 ,  F16C33/66 ,  C10M2205/0206 ,  C10M2215/1026 ,  C10M2223/045 ,  C10M2219/044 ,  C10N2010/04

Abstract: There is provided a grease composition for improving the chemical stability of the grease composition and increasing the fatigue life of a member in which the grease composition is used. The problems can be solved by a grease composition including a poly-α-olefin; a urea-based thickener; molybdenum dithiophosphate; and barium sulfonate, wherein a difference between an SP value of the urea-based thickener and an SP value of the poly-α-olefin is 3.5 or less.

公开(公告)号：US20220348839A1

公开(公告)日：2022-11-03

申请号：US17763368

申请日：2020-09-23

Applicant: JTEKT CORPORATION ,  ENEOS CORPORATION

Inventor： Kazunori MIYAKE ,  Kiyomi SAKAMOTO ,  Yusuke AYAME ,  Go TATSUMI

IPC: C10M169/02 ,  C10M105/38 ,  C10M115/08

Abstract: A grease composition including: an ester base oil; and a thickener, in which the thickener contains diurea expressed by the following formula (1): R1-NHCONH-C6H4-CH2-C6H4-NHCONH-R2 (1), in which R1 and R2 each independently represents one of: (A) an alicyclic group A expressed by R3-C6H10- (R3 represents hydrogen, a 2-methyl group, a 3-methyl group, or a 4-methyl group); (B) an alkyl group B expressed by n-CmH2m+1 (m represents an integer of 6 to 10); and (C) an alkyl group C expressed by n-CmH2m+1 (m represents an integer of 16 to 20), and in which the diurea is arranged so that the alicyclic group A is 5 to 35 mol %, a total of the alicyclic group A and the alkyl group B is 55 to 95 mol %, and the remainder is the alkyl group C, based on a total of R1 and R2.

公开(公告)号：US20230272299A1

公开(公告)日：2023-08-31

申请号：US18014651

申请日：2021-07-05

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

Inventor： Kanako NIIYA ,  Kazunori MIYAKE ,  Masayuki MURAKAMI ,  Shota AKIMOTO ,  Takahiro MAEDA ,  Kaname NISHI ,  Michitaka YOSHIHARA ,  Kazuki ISA ,  Koki ANDO

IPC: C10M137/10 ,  C10M125/22 ,  C10M129/26 ,  C10M169/06 ,  C10M133/12

CPC classification number: C10M137/10 ,  C10M125/22 ,  C10M129/26 ,  C10M169/06 ,  C10M133/12 ,  C10N2040/02

Abstract: The present invention relates to a grease composition including: a base oil; a thickener; a rust inhibitor; and an extreme pressure agent, in which the rust inhibitor includes, with respect to a total mass of the grease composition: 0.10 mass % to 10.00 mass % of a calcium sulfonate; 0.20 mass % to 10.00 mass % of a zinc sulfonate; and 0.10 mass % to 10.00 mass % of a zinc carboxylate, and the extreme pressure agent includes, with respect to the total mass of the grease composition, 2.00 mass % to 14.00 mass % of a zinc dialkyldithiophosphate.

公开(公告)号：US20180112147A1

公开(公告)日：2018-04-26

申请号：US15783360

申请日：2017-10-13

Applicant: JTEKT CORPORATION

Inventor： Kazunori MIYAKE ,  Tomotaka NAKAGAWA

IPC: C10M169/02 ,  F16C33/66

CPC classification number: C10M169/02 ,  C10M2207/2805 ,  C10M2207/2835 ,  C10M2215/026 ,  C10M2215/1026 ,  C10N2220/022 ,  C10N2230/02 ,  C10N2230/36 ,  C10N2230/68 ,  C10N2240/02 ,  C10N2250/10 ,  F16C33/6633

Abstract: There is provided a grease composition containing a base oil including an ester oil, and a thickener including diurea represented by formula (1) below: wherein the thickener including the diurea is contained in an amount of 18% by mass or less.

公开(公告)号：US20180216670A1

公开(公告)日：2018-08-02

申请号：US15936127

申请日：2018-03-26

Applicant: JTEKT CORPORATION

Inventor： Kazunori MIYAKE

IPC: F16D3/06 ,  B62D1/16

Abstract: In a sliding shaft, an outer circumferential surface of a male shaft is coated with a resin coating layer formed by a fluidized bed powder coating method using a powder coating material containing a base resin and at least either a carbon black or a metal oxide as an antistatic agent. A steering device includes this sliding shaft as an intermediate shaft transmitting steering force.

公开(公告)号：US20160153500A1

公开(公告)日：2016-06-02

申请号：US14903142

申请日：2014-07-17

Applicant: JTEKT CORPORATION

Inventor： Kazunori MIYAKE

IPC: F16D3/06 ,  B62D1/20

CPC classification number: F16D3/06 ,  B62D1/16 ,  B62D1/20 ,  C08K3/017 ,  C08K3/04 ,  C08K3/20 ,  C08K2003/2241 ,  C08L77/06 ,  C09D177/06 ,  F16C3/03 ,  F16D2300/10

Abstract: In a sliding shaft, an outer circumferential surface of a male shaft is coated with a resin coating layer formed by a fluidized bed powder coating method using a powder coating material containing a base resin and at least either a carbon black or a metal oxide as an antistatic agent. A steering device includes this sliding shaft as an intermediate shaft transmitting steering force.

Abstract translation: 在滑动轴中，阳轴的外周面涂覆有通过流化床粉末涂布法形成的树脂涂层，该方法使用包含基础树脂和至少任一种炭黑或金属氧化物的粉末涂料作为 抗静电剂。 转向装置包括作为传递转向力的中间轴的该滑动轴。

公开(公告)号：US20160069395A1

公开(公告)日：2016-03-10

申请号：US14833438

申请日：2015-08-24

Applicant: JTEKT CORPORATION

Inventor： Kazunori MIYAKE

IPC: F16D1/10 ,  F16C3/02

CPC classification number: F16D1/101 ,  B62D1/16 ,  B62D1/20 ,  C10M105/26 ,  C10M2207/10 ,  C10M2207/125 ,  C10N2210/00 ,  C10N2210/02 ,  C10N2230/06 ,  C10N2230/76 ,  C10N2250/08 ,  C10N2250/18 ,  F16C3/023 ,  F16D3/06 ,  F16D2001/103 ,  F16D2300/10 ,  Y10T403/7026

Abstract: In an intermediate shaft for a steering system, the surface of external splines of an inner shaft is coated with a resin coating layer containing a base resin and two or more kinds of higher fatty acid metal salts having different melting point peaks from each other.

Abstract translation: 在用于转向系统的中间轴中，内轴的外花键的表面涂覆有包含基础树脂和两种或更多种彼此不同熔点峰的高级脂肪酸金属盐的树脂涂层。