BLOWER AND METHOD FOR CONTROLLING BLOWER

A blower includes a blower fan, a direct current motor, and a motor controller. The direct current motor rotationally drives the blower fan. The motor controller controls the direct current motor. In controlling the direct current motor, the motor controller uses a control method selected out of a p...

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Bibliographische Detailangaben
Hauptverfasser:	DOI, Atsuo, MATSUMOTO, Kohei, FUKAYA, Yoshihiro
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 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:	A blower includes a blower fan, a direct current motor, and a motor controller. The direct current motor rotationally drives the blower fan. The motor controller controls the direct current motor. In controlling the direct current motor, the motor controller uses a control method selected out of a plurality of control methods having characteristic curves that incline differently from one another and intersect one another. Each of the characteristic curves represents an air volume versus static pressure relationship of the blower fan.