DEVICE WITH HYDRODYNAMIC FLUID BEARING HAVING COATING

PROBLEM TO BE SOLVED: To provide a bearing surface having improved wear resistance and low frictional property. SOLUTION: This device comprises a stationary member 34 coaxial with the center axis, a stator 38 fixed to the stationary member 34, a rotatable member 36 rotatable around the center axis r...

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Bibliographische Detailangaben
Hauptverfasser:	KHAN RAQUIB U, AMEEN MOHAMMAD M
Format:	Patent
Sprache:	eng
Schlagworte:	BEARINGS BLASTING CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DIFFUSION TREATMENT OF METALLIC MATERIAL 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 INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LIGHTING MECHANICAL ENGINEERING METALLURGY PHYSICS ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a bearing surface having improved wear resistance and low frictional property. SOLUTION: This device comprises a stationary member 34 coaxial with the center axis, a stator 38 fixed to the stationary member 34, a rotatable member 36 rotatable around the center axis relative to the stationary member 34, a rotor 70 supported by the rotatable member 36 and magnetically joined to the stator 38, and a hydrodynamic fluid bearing 37 for interconnecting the stationary member 34 and the rotatable member 36, the hydrodynamic fluid bearing 37 having at least one of working surfaces 44, 46 including a coating formed of one of groups consisting of amorphous carbon, diamond-like carbon, hydrogenated amorphous carbon, nitrogenated amorphous carbon, hydrogenated diamond-like carbon and nitrogenated diamond-like carbon, one of the groups being provided on one of groups consisting of chrome, silicon, titanium, and zirconium. COPYRIGHT: (C)2009,JPO&INPIT