System and method to reduce acoustic noise in screw compressors

A system is provided for attenuating tonal acoustic noise associated with a single positive displacement compressor, or multiple positive displacement compressors proximately located from each other. A controller selectably controls the rotational speed and the frequency of operation of each of the...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SCHNETZKA HAROLD ROBERT, EICHELBERGER, JR. E. CURTIS, NEMIT, JR. PAUL
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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