Screw Compressor with Oil Feed System
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United States of America Patent
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Issued Date -
Nov 13, 2008
app pub date -
Nov 30, 2006
filing date -
Dec 23, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A rotary screw compressor with an oil feed system that has a plurality of oil orifice nozzles to feed oil to the compressor rotors and the compressor bearings. One of the oil orifice nozzles is generally always provided with a regulated flow of oil. At least one and preferably two on/off oil valves can be selectively opened and closed. Each of the on/off oil valves are of a different size and are selectively opened and closed to step regulate the amount of oil being fed to the compression chamber according to a predetermined compression chamber discharge temperature.
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