Invention Grant
US08777488B2 Fluid dynamic bearing motor, and recording medium driving apparatus
失效
流体动力轴承电动机和记录介质驱动装置
- Patent Title: Fluid dynamic bearing motor, and recording medium driving apparatus
- Patent Title (中): 流体动力轴承电动机和记录介质驱动装置
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Application No.: US13614360Application Date: 2012-09-13
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Publication No.: US08777488B2Publication Date: 2014-07-15
- Inventor: Hiromitsu Gotoh , Atsushi Ohta
- Applicant: Hiromitsu Gotoh , Atsushi Ohta
- Applicant Address: KR Suwon
- Assignee: Samsung Electro-Mechanics Co., Ltd.
- Current Assignee: Samsung Electro-Mechanics Co., Ltd.
- Current Assignee Address: KR Suwon
- Priority: JP2004-174712 20041106
- Main IPC: F16C32/06
- IPC: F16C32/06
Abstract:
A motor includes a rotor having a permanent magnet; a sleeve rotatably supporting the rotor; fluid provided in a gap between the rotor and the sleeve; a stator having a electromagnet disposed opposite to the permanent magnet to rotate the rotor relative to the stator; and a boss interposed between the sleeve and the stator. In the motor, the sleeve, the stator, and the boss are provided as separate members.
Public/Granted literature
- US20130020894A1 FLUID DYNAMIC BEARING MOTOR, AND RECORDING MEDIUM DRIVING APPARATUS Public/Granted day:2013-01-24
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