JPS5930440B
PURPOSE:To avoid over-load of a motor for utrning a dewatering tank, a switch for detecting the rotation frequency of the tank to stop rotation of the motor when abnormal bubbling occurs.
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Format: | Patent |
Sprache: | eng |
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Online-Zugang: | Volltext bestellen |
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Zusammenfassung: | PURPOSE:To avoid over-load of a motor for utrning a dewatering tank, a switch for detecting the rotation frequency of the tank to stop rotation of the motor when abnormal bubbling occurs. |
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