Ventilator and ventilator maintenance system

The utility model relates to the technical field of ventilation equipment, and provides a ventilator and a ventilator maintenance system. The ventilator comprises a first-stage fan, a second-stage fan and a driving device, one of the first-stage fan and the second-stage fan is connected with the fix...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHU LINGFU, WU PEIQIANG, YI BINGDING, ZHU CHUNCHAO, BI SHUJIAO, QU QIUYANG, LI HAIKUI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING EARTH DRILLING FIXED CONSTRUCTIONS HEATING LIGHTING MECHANICAL ENGINEERING MINING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS WEAPONS
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