Screw compressor with a sound dampening device that separates lubricant
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United States of America Patent
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-
Aug 6, 2013
Grant Date -
Jul 28, 2011
app pub date -
Jan 28, 2011
filing date -
Jul 29, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
In order to improve a screw compressor comprising an outer housing, a compressor screw housing which is arranged in the outer housing and in which rotor bores for screw rotors are arranged, a drive arranged in the outer housing on one side of the compressor screw housing, a bearing housing arranged in the outer housing on a side of the compressor screw housing located opposite the drive and a sound damping device which is arranged within the outer housing and has compressed working medium flowing through it, in such a manner that the working medium leaving the screw compressor carries as little lubricant as possible along with it, it is suggested that the sound damping device guide the compressed working medium by means of a flow guide in an interior space as a circulating flow circulating around an axis and that lubricant be separated from the circulating flow of the working medium as a result of centrifugal forces.
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