ELECTRIC MOTOR, ELECTRIC BLOWER WITH THE ELECTRIC MOTOR, AND ELECTRIC EQUIPMENT WITH THE ELECTRIC BLOWER

To provide an electric motor in which a sleeve is easily positioned with respect to a rotor core and which has strong magnetic force.SOLUTION: The electric motor has a rotor assembly 300 which comprises: a shaft 301; a cylindrical rotor core 302 fixed to the shaft 301; and a sleeve 303 enclosing the...

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Bibliographische Detailangaben
Hauptverfasser:	HAMAZAKI MITSUMASA, YASUJIMA TAKEHIKO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BLASTING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERATION HEATING LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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Beschreibung
Zusammenfassung:	To provide an electric motor in which a sleeve is easily positioned with respect to a rotor core and which has strong magnetic force.SOLUTION: The electric motor has a rotor assembly 300 which comprises: a shaft 301; a cylindrical rotor core 302 fixed to the shaft 301; and a sleeve 303 enclosing the rotor core 302. The rotor core 302 has a magnet molded by mixing an anisotropic material and a resin. The rotor core 302 comprises a plurality of magnetic poles. The rotor core 302 comprises a plurality of projections 302a having the same radial height from the cylindrical surface on the cylindrical surface. The plurality of projections 302a are molded after molding the rotor core 302 and fixed to the rotor core 302.SELECTED DRAWING: Figure 7 【課題】ローターコアに対するスリーブの位置決めが容易で磁力の強いローターコアを有する電動機を提供する。【解決手段】シャフト３０１と、シャフト３０１に固着された円筒状のローターコア３０２と、ローターコア３０２を外包するスリーブ３０３とを備えるローターアセンブリ３００を有し、ローターコア３０２は、異方性材料と樹脂とを混合して成形される磁石を有し、ローターコア３０２は複数の磁極を備え、ローターコア３０２は円筒表面にこの円筒表面から半径方向の高さが同一の複数の凸部３０２ａを備え、複数の凸部３０２ａは、ローターコア３０２を成形した後に成形されるとともにローターコア３０２に固着される。【選択図】図７