Invention Grant
- Patent Title: Fluid dynamic bearing device and assembling method thereof
- Patent Title (中): 流体动力轴承装置及其组装方法
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Application No.: US12665384Application Date: 2008-07-18
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Publication No.: US08454239B2Publication Date: 2013-06-04
- Inventor: Kimihiko Bitou , Isao Komori , Tetsuya Kurimura
- Applicant: Kimihiko Bitou , Isao Komori , Tetsuya Kurimura
- Applicant Address: JP Osaka-shi
- Assignee: NTN Corporation
- Current Assignee: NTN Corporation
- Current Assignee Address: JP Osaka-shi
- Agency: Westerman, Hattori, Daniels & Adrian, LLP
- Priority: JP2007-199527 20070731; JP2007-214775 20070821; JP2008-160592 20080619
- International Application: PCT/JP2008/063055 WO 20080718
- International Announcement: WO2009/016983 WO 20090205
- Main IPC: F16C32/06
- IPC: F16C32/06
Abstract:
A first axial gap (L1) is formed between a seal portion (9) and a sleeve portion (8). With this, it is possible to set a moving amount of a shaft member (2) in an axial direction with high accuracy irrespective of accuracy of members such as the sleeve portion (8).
Public/Granted literature
- US20100189383A1 FLUID DYNAMIC BEARING DEVICE AND ASSEMBLING METHOD THEREOF Public/Granted day:2010-07-29
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