FLUID DYNAMIC BEARING

A fluid dynamic bearing includes a body; an inner surface of the body being formed with a plurality of sawteeth trenches; each bending angle of each tooth of the sawteeth trench being selected from one of two difference values. Each sawteeth trench has eight teeth, four at the right side and four at...

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Bibliographische Detailangaben
1. Verfasser:	SHIH JOHN WUNANG
Format:	Patent
Sprache:	eng
Schlagworte:	BEARINGS BLASTING ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A fluid dynamic bearing includes a body; an inner surface of the body being formed with a plurality of sawteeth trenches; each bending angle of each tooth of the sawteeth trench being selected from one of two difference values. Each sawteeth trench has eight teeth, four at the right side and four at the left side. Eight bending angles of eight teeth of one trench are selected from two kinds of different angles which are alternatively arranged. The bearing is suitable for spindles of various rotation speeds so as to generate fluid dynamic pressure and the bearing is also suitable for various rotation speeds of spindles.