<p>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.</p>
申请公布号
WO2007076213(A1)
申请公布日期
2007.07.05
申请号
WO2006US61415
申请日期
2006.11.30
申请人
GARDNER DENVER, INC.;HEIMONEN, TIMOTHY, KEENE;HUGHES, KEVIN, PETER