MOTORDREHZAHLSTEUERUNG FÜR WASCHMASCHINE

A full-automatic washing machine with an electric motor (15) for driving an agitator (5) and a dehydration tub (4) includes an inverter main circuit (26) including a plurality of switching elements (29a to 29f) connected to windings (32u, 32v, 32w) of a plurality of phases of the motor (15) respecti...

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Bibliographische Detailangaben
Hauptverfasser:	IKEDA, HIROSHI, MAKINO, YOSHIYUKI, IMAMURA, FUMIHIRO, NISHIMURA, NOBUICHI, MATSUMOTO, SATORU
Format:	Patent
Sprache:	ger
Schlagworte:	FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR LAUNDERING LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILEARTICLES TEXTILES TREATMENT OF TEXTILES OR THE LIKE
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Beschreibung
Zusammenfassung:	A full-automatic washing machine with an electric motor (15) for driving an agitator (5) and a dehydration tub (4) includes an inverter main circuit (26) including a plurality of switching elements (29a to 29f) connected to windings (32u, 32v, 32w) of a plurality of phases of the motor (15) respectively, and a control section (35) for driving the switching elements (29a to 29f) of the inverter main circuit (26). The control section (35) includes means (23) for executing an increase rate changing control in which a rotational speed of the motor (15) is changed among a plurality of increase rates during drive of the motor (15) in at least one of operation steps between a wash step and a final dehydration step before the motor reaches a final target speed.