GEARED MOTOR FOR ELECTRICALLY DRIVEN MOBILE OBJECT

GEARED MOTOR FOR ELECTRICALLY DRIVEN MOBILE OBJECT

A geared motor includes a synchronous reluctance motor whose maximum rotational speed is 20000 rpm to 45000 rpm and in which rare earth bonded magnets are embedded in a rotor, and a speed reducer which reduces the rotational speed of the synchronous reluctance motor to a rotational speed in a usage...

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Bibliographische Detailangaben
Hauptverfasser: KIM, Choongsik, ITO, Kazunori, WATARAI, Aki, WATANABE, Hayato, KAYANO, Masahiro, HIRANO, Hiroaki, ISHIDA, Kazuya, FUJIMAKI, Tadashi
Format: Patent
Sprache:eng
Schlagworte:
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
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Beschreibung
Zusammenfassung:A geared motor includes a synchronous reluctance motor whose maximum rotational speed is 20000 rpm to 45000 rpm and in which rare earth bonded magnets are embedded in a rotor, and a speed reducer which reduces the rotational speed of the synchronous reluctance motor to a rotational speed in a usage range while increasing torque to a predetermined range. When a radius of the rotor is represented by R (cm) and a length of the rotor in an axial direction is represented by L (cm), the rotor has a size which satisfies conditions of 2 cm≤R≤6 cm and 2 cm≤L≤25 cm.