VARIABLE CAPACITY BYPASS VALVE FOR SCREW COMPRESSOR
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United States of America
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Issued Date -
Mar 13, 2025
app pub date -
Jan 20, 2022
filing date -
Jan 20, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
A screw compressor and a variable capacity bypass valve therefor are provided. The variable capacity bypass valve includes a bore formed in a rotor bore discharge face of the compressor housing upstream of a compression chamber outlet end of the compression chamber, a slide valve member inserted into the bore to fill a cavity, the valve member having a sealing surface configured to interact with a thread of a compressor screw during operation of the screw compressor, an actuator structure coupled to the valve member and oriented to move the valve member radially along the bore to open a fluid pathway communicatively coupling the compressor chamber to a bypass chamber configured to return compressed fluid to a fluid inlet of the compression chamber.
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