Invention Grant
- Patent Title: Hydrodynamic bearing unit
- Patent Title (中): 流体动力轴承单元
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Application No.: US11629167Application Date: 2005-08-02
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Publication No.: US08177433B2Publication Date: 2012-05-15
- Inventor: Kenji Ito , Fuminori Satoji , Hiroyasu Yamauchi , Mitsuo Maeda
- Applicant: Kenji Ito , Fuminori Satoji , Hiroyasu Yamauchi , Mitsuo Maeda
- Applicant Address: JP Osaka JP Tokyo-To
- Assignee: NTN Corporation,Sumitomo Chemical Co., Ltd
- Current Assignee: NTN Corporation,Sumitomo Chemical Co., Ltd
- Current Assignee Address: JP Osaka JP Tokyo-To
- Agency: Wenderoth, Lind & Ponack, L.L.P.
- Priority: JP2004-226228 20040803
- International Application: PCT/JP2005/014076 WO 20050802
- International Announcement: WO2006/013838 WO 20060209
- Main IPC: F16C32/06
- IPC: F16C32/06
Abstract:
A housing for a hydrodynamic bearing unit of this type is formed from a resin material having high oil resistance and low outgassing property to ensure the cleanliness of the bearing unit. An ester-based lubricating oil is used as a lubricating oil filled inside the hydrodynamic bearing unit 1, and the housing 7 is formed from an LCP-based resin material.
Public/Granted literature
- US20090034888A1 HYDRODYNAMIC BEARING UNIT Public/Granted day:2009-02-05
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