Powdery particle conveying system and roots blower operating method

A powdery particle conveying system is provided in which electric power consumption can be saved when powdery particles are conveyed by use of a roots blower. In the case where the powdery particles are conveyed to a reservoir tank near the roots blower, the frequency of a power source of a roots bl...

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Hauptverfasser:	Kanou, Osamu, Miyashita, Yoshinori, Fujisawa, Shigemi, Hamada, Yoshiaki, Nakada, Yoshio, Tanaka, Akihiro, Uehara, Hiroomi
Format:	Patent
Sprache:	eng
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creator	Kanou, Osamu Miyashita, Yoshinori Fujisawa, Shigemi Hamada, Yoshiaki Nakada, Yoshio Tanaka, Akihiro Uehara, Hiroomi
description	A powdery particle conveying system is provided in which electric power consumption can be saved when powdery particles are conveyed by use of a roots blower. In the case where the powdery particles are conveyed to a reservoir tank near the roots blower, the frequency of a power source of a roots blower driving motor is reduced, thereby reducing an output of the roots blower. In contrast, in the case where the powdery particles are conveyed to a remote reservoir tank, a voltage of a commercial frequency is applied to the motor.
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title	Powdery particle conveying system and roots blower operating method
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