Automatic watering, exhausting and pumping control device for centrifugal pump

The utility model relates to an automatic watering, exhausting and pumping control device for centrifugal pump, comprising four probes which are arranged at preset heights in the pond from low to high, a control circuit composed of a transistor, a relay, a switch contact, a capacitor, and a contacto...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	DIANJUN JIA, CHENGBAO GUO
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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