Invention Grant
- Patent Title: Grease composition and rolling bearing
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Application No.: US17928054Application Date: 2021-04-07
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Publication No.: US12152214B2Publication Date: 2024-11-26
- Inventor: Koji Yoshizaki , Kazunori Miyake , Kazumi Sakai , Yusuke Ayame , Kiyomi Sakamoto
- Applicant: JTEKT CORPORATION , ENEOS Corporation
- Applicant Address: JP Aichi; JP Tokyo
- Assignee: JTEKT CORPORATION,ENEOS Corporation
- Current Assignee: JTEKT CORPORATION,ENEOS Corporation
- Current Assignee Address: JP Aichi; JP Tokyo
- Agency: GREENBLUM & BERNSTEIN, P.L.C.
- Priority: JP2020-098174 20200605
- International Application: PCT/JP2021/014735 WO 20210407
- International Announcement: WO2021/246049 WO 20211209
- Main IPC: C10M107/02
- IPC: C10M107/02 ; C10M115/08 ; C10M135/10 ; C10M137/10 ; C10M169/06 ; F16C19/38 ; F16C33/66 ; C10N10/04 ; C10N10/12 ; C10N20/02 ; C10N40/02 ; C10N50/10
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.
Public/Granted literature
- US20230212474A1 GREASE COMPOSITION AND ROLLING BEARING Public/Granted day:2023-07-06
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