Invention Grant
- Patent Title: Fluid dynamic bearing device and assembly method for same
- Patent Title (中): 流体动力轴承装置及其装配方法相同
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Application No.: US13580091Application Date: 2011-03-28
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Publication No.: US09154012B2Publication Date: 2015-10-06
- Inventor: Masaharu Hori , Jun Hirade , Tatsuya Hayashi , Yasuhiro Yamamoto , Natsuhiko Mori , Fuminori Satoji , Toshiaki Niwa , Tetsuya Kurimura , Kimihiko Bito
- Applicant: Masaharu Hori , Jun Hirade , Tatsuya Hayashi , Yasuhiro Yamamoto , Natsuhiko Mori , Fuminori Satoji , Toshiaki Niwa , Tetsuya Kurimura , Kimihiko Bito
- 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: JP2010-074454 20100329; JP2010-103394 20100428; JP2010-186055 20100823
- International Application: PCT/JP2011/057631 WO 20110328
- International Announcement: WO2011/122556 WO 20111006
- Main IPC: F16C32/06
- IPC: F16C32/06 ; H02K5/167 ; F16C17/10 ; F16C33/14 ; F16C43/02 ; F16C33/10 ; F16C33/12
Abstract:
Providing a fluid dynamic bearing device, wherein the outer member comprises a member formed by a pressing process on a plate member, the radial bearing surface and at least the one of the thrust bearing surfaces of the outer member being formed by the pressing process, and wherein at least a part of the inner member, which forms the radial bearing surface and the thrust bearing surfaces of the inner member, is made of a sintered metal.
Public/Granted literature
- US20120315169A1 FLUID DYNAMIC BEARING DEVICE AND ASSEMBLY METHOD FOR SAME Public/Granted day:2012-12-13
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