Equipower second-stage impeller variable rotational speed matching method for two stages of impellers of contra-rotating fan

The invention relates to an equipower second-stage impeller variable rotational speed matching method for two stages of impellers of a contra-rotating fan. According to the method, firstly, the input power N1 of a first-stage impeller motor and the input power N2 of a second-stage impeller motor are...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Ai Zijian, Wu Long
Format:	Patent
Sprache:	chi ; 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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