Magnetic bearing

The utility model discloses a magnetic bearing (10), which is provided with electromagnets (11) and permanent magnets (12), wherein each electromagnet (11) comprises an electromagnet magnetic core (13) and a coil (14); the permanent magnets (12) support a rotating shaft part (21) together with the e...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YUKIO TSUTSUI, MOTOMICHI OTO
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:	The utility model discloses a magnetic bearing (10), which is provided with electromagnets (11) and permanent magnets (12), wherein each electromagnet (11) comprises an electromagnet magnetic core (13) and a coil (14); the permanent magnets (12) support a rotating shaft part (21) together with the electromagnets in a non-contact way by utilizing magnetic attraction force; each electromagnet magnetic core is provided with a magnetic reluctance changing part (40) which is arranged in a path through which a magnetic field generated by the coil of the corresponding electromagnet passes; and the permanent magnets are arranged on parts corresponding to the magnetic reluctance changing parts of the electromagnet magnetic cores, so that magnetic fields generated by the permanent magnets do not pass through the magnetic reluctance changing parts.