Speed control of variable speed pump

Method, article of manufacture and apparatus for monitoring operating characteristics of a system comprising a variable speed vacuum pump. Operating characteristics reflective of gas load on the pump are observed for behavior indicating a change in the gas load. In one embodiment, the operating char...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	GREENBANK DANIEL PAUL, LU DANNY CAM TOAN, CURRY MARK WILLIAM
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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Beschreibung
Zusammenfassung:	Method, article of manufacture and apparatus for monitoring operating characteristics of a system comprising a variable speed vacuum pump. Operating characteristics reflective of gas load on the pump are observed for behavior indicating a change in the gas load. In one embodiment, the operating characteristic is the current in a power signal being provided to the pump.