Screw compressor
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United States of America Patent
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Mar 21, 2006
Grant Date -
Oct 21, 2004
app pub date -
Jan 28, 2004
filing date -
Jan 31, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
An oil separator and an oil reservoir are formed integral with a main casing. Also, an opening communicated with the oil reservoir is formed in a part of a lower portion of an oil separation space of the oil separator. Preferably, the opening is formed so that its width is increased as it approaches an outer peripheral side of the oil separation space from a center thereof. Further, a safety valve is installed so that a line connecting between the safety valve and the center of the oil separator is made substantially in parallel to axes of screw rotors.
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