A motor device includes: a motor body including a rotor, multi-phase coils for rotating the rotor, and an oil-retaining bearing supporting the rotor for rotation; and a drive control unit detecting a position of the rotor based on counter electromotive force of any of the multi-phase coils, and controlling energization of the multi-phase coils according to the position of the rotor, wherein the drive control unit feedback-controls energization of the multi-phase coils such that rotational speed of the rotor does not fall below a threshold value at which detection of rotational position of the rotor based on the counter electromotive force is impossible.


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    Titel :

    MOTOR DEVICE AND VEHICLE-MOUNTED SEAT AIR CONDITIONER


    Beteiligte:

    Erscheinungsdatum :

    23.01.2020


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern



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