Spindle motor for use in hard disk drive for driving magnetic storage disks, has air bearings formed by annular bearing surface in region of larger diameter of rotary component and annular bearing surface of stationary component
作者： Chunhui Gu , Lei Jiang
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摘要: The motor (10) has stationary and rotary components rotatably supported relative to each other by hydrodynamic conical, radial axial bearings (22, 24, 30, 32) rotationally driven an electro-magnetic drive system. Axial air (52, 62) are formed annular bearing surface in a region of larger diameter the component component. surfaces separated from gap, characterized pump structures, which arranged on surfaces.
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