MOTOR HAVING DYNAMIC PRESSURE BEARING AND DISK UNIT EQUIPPED THEREWITH

PROBLEM TO BE SOLVED: To provide a motor having a radial bearing as a dynamic pressure bearing for the enhancement of rotational accuracy, and a disk unit equipped with the motor. SOLUTION: The motor includes a shaft rotated together with a predetermined load and dynamic pressure bearings that suppo...

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Bibliographische Detailangaben
Hauptverfasser:	MINAMIZAWA RITSUKO, NAGATA HIROSHI, KOIZUMI YOSHIAKI, YOSHIDA MITSUAKI
Format:	Patent
Sprache:	eng
Schlagworte:	BEARINGS BLASTING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERATION HEATING INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER LIGHTING MECHANICAL ENGINEERING PHYSICS ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a motor having a radial bearing as a dynamic pressure bearing for the enhancement of rotational accuracy, and a disk unit equipped with the motor. SOLUTION: The motor includes a shaft rotated together with a predetermined load and dynamic pressure bearings that support the shaft through fluid in a noncontact manner. The dynamic pressure bearings are radial bearings provided around the shaft in three or more places along the direction of the length of the shaft. The disk unit is provided with this motor. COPYRIGHT: (C)2007,JPO&INPIT