Hydraulically-operated control system for a screw compressor
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United States of America Patent
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Issued Date -
Sep 9, 2004
app pub date -
Mar 4, 2003
filing date -
Mar 4, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A power system includes a power unit, a screw compressor, a hydraulic pump, and a hydraulic control system. The screw compressor is connected to the power unit to be driven thereby for compressing air. The screw compressor has an air intake opening and an adjustable air intake valve mechanism for opening and closing the air intake opening. The hydraulic pump pressurizes hydraulic fluid, and the hydraulic control system is operably connected to the pump and to the air intake valve mechanism for utilizing the pressurized hydraulic fluid to adjust the air intake valve mechanism. The compressed air is delivered to an air reservoir which returns lubrication oil back to the compressor in quantities commensurate with the degree of openness of the air intake opening.
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