发明授权
- 专利标题: Grease composition for hub unit bearing
- 专利标题(中): 轮毂单元轴承的润滑脂组成
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申请号: US13820604申请日: 2011-09-02
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公开(公告)号: US08895489B2公开(公告)日: 2014-11-25
- 发明人: Takashi Azuma , Yoshihisa Imamoto , Motohiro Ito , Yasushi Shibata
- 申请人: Takashi Azuma , Yoshihisa Imamoto , Motohiro Ito , Yasushi Shibata
- 申请人地址: JP Fujisawa JP Osaka
- 专利权人: Kyodo Yushi Co., Ltd.,NTN Corporation
- 当前专利权人: Kyodo Yushi Co., Ltd.,NTN Corporation
- 当前专利权人地址: JP Fujisawa JP Osaka
- 代理机构: Nixon & Vanderhye P.C.
- 优先权: JP2010-196762 20100902
- 国际申请: PCT/JP2011/069998 WO 20110902
- 国际公布: WO2012/029940 WO 20120308
- 主分类号: F16C33/20
- IPC分类号: F16C33/20 ; C10M141/10 ; C10M115/08 ; C10M159/24 ; C10M169/06 ; F16C19/18 ; F16C33/66
摘要:
The invention provides a grease composition for hub unit bearing, containing (a) an aromatic diurea thickener, (b) a base oil, (c) a metal salt of oxidized wax, (d) diphenyl hydrogen phosphate, and (e) at least one rust preventive selected from the group consisting of sulfonate rust preventives and carboxylic acid rust preventives. The grease composition of the invention shows excellent anti-fretting properties at low temperature, and at the same time, exhibit excellent rust preventing properties.
公开/授权文献
- US20130157915A1 GREASE COMPOSITION FOR HUB UNIT BEARING 公开/授权日:2013-06-20
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