VARIABLE CAPACITY BYPASS VALVE FOR SCREW COMPRESSOR

A screw compressor and a variable capacity bypass valve therefor are provided. The variable capacity bypass valve includes a bore formed in a rotor bore discharge face of the compressor housing upstream of a compression chamber outlet end of the compression chamber, a slide valve member inserted int...

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Bibliographische Detailangaben
Hauptverfasser:	BATDORFF, Jonathan D, FUJIMOTO, Hideki, NOBLE, Edward
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS ENGINE PLANTS IN GENERAL HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MACHINES OR ENGINES IN GENERAL MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	A screw compressor and a variable capacity bypass valve therefor are provided. The variable capacity bypass valve includes a bore formed in a rotor bore discharge face of the compressor housing upstream of a compression chamber outlet end of the compression chamber, a slide valve member inserted into the bore to fill the a bore cavity, the valve member having a sealing surface configured to interact with a thread of a compressor screw during operation of the screw compressor, an actuator structure coupled to the valve member and oriented to move the valve member radially along the bore to open a fluid pathway communicatively coupling the compressor chamber to a bypass chamber configured to return compressed fluid to a fluid inlet of the compression chamber.