MULTI-GEAR PUMP WITH AUTOMATIC GEAR CONTROL FUNCTION

Disclosed is a multi-gear pump having a plurality of gears, including at least a high gear and a low gear, with the multi-gear pump comprising a gear control module, wherein the gear control module is integrated in a control board (3) or a frequency converter (4) of a driving motor of the multi-gear...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Liebler, Gerold, ZHANG, Yonghai, ZHANG, Xiaoming
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	Disclosed is a multi-gear pump having a plurality of gears, including at least a high gear and a low gear, with the multi-gear pump comprising a gear control module, wherein the gear control module is integrated in a control board (3) or a frequency converter (4) of a driving motor of the multi-gear pump, and is configured to switch the gear of the multi-gear pump from the high gear to the low gear when a low-gear condition is satisfied within one control period, and to switch the gear of the multi-gear pump from the low gear to the high gear when a high-gear condition is satisfied within one control period.