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Spindle device having dynamic-pressure-fluid bearing

Katsunori Sakuragi, +1 more
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The article was published on 1999-03-24. It has received 10 citations till now. The article focuses on the topics: Dynamic pressure & Fluid bearing.

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Patent

Dynamic pressure bearing device

Masato Gomyo, +1 more
TL;DR: In this paper, a dynamic pressure bearing device includes a rotary shaft, a dynamic bearing member, two radial dynamic bearing parts and a thrust dynamic bearing part, and a bypass passage for pressure release is provided for communicating across the two radial bearing parts.
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Spindle motor and storage disk drive

Junya Mizukami, +6 more
TL;DR: In this article, a motor consisting of a stationary portion and a rotating portion is shown to project upward or downward, with an axially extending gap between the two surfaces, and an inner annular projecting portion is arranged above an inner circumferential surface of the tubular portion.
Patent

Method for impregnating porous workpieces

Klaus Reiser
TL;DR: In this paper, a pre-manufactured workpiece is arranged in an injection mold or diecasting mold and the liquid impregnating agent is introduced into the mould with the aid of a commercially available injection moulding or diecast molding apparatus.
Patent

Leather water-proof curing agent and preparing method thereof

Wang Guirong
TL;DR: In this article, a leather water-proof curing agent and a preparing method for its preparation is described. But the preparation method is limited to a few materials, such as solvent, emulsifiers, a water repellent, a brightness nourishing agent, stearic acid, wax, KOH (potassium hydroxide), a mould-proof bactericide, other auxiliary materials and deionized water, wherein the solvent is one or two of solvent oil 120# and solvent oil 200#; two or three of glycerin monostearate, c
Patent

Bearing unit and motor provided therewith

Yuji Shishido, +1 more
TL;DR: In this paper, a bearing unit is provided with a resin housing containing a T-shaped shaft 60, a bearing 114, and a thrust support 124 and a spacer member 120 disposed in the inside of the housing 116, for retaining the gap between the end face 119 of the bearing and one side face 123 of the step section.
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Compact electric motor construction employing fluid bearings

Mark Hazelton, +1 more
TL;DR: In this article, a compact electric motor construction employing fluid bearings for use in a disk drive apparatus includes a spindle having a shaft and a thrust plate and a hub assembly including a hub having an outer disk support portion with an inner thrust bearing surface located axially above the upper bearing surface of the thrust plate.