LOW EMISSION DRY GAS SEAL SYSTEM FOR COMPRESSORS
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United States of America Patent
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Issued Date -
Jul 4, 2013
app pub date -
Nov 15, 2010
filing date -
Nov 23, 2009
priority date (Note) -
Abandoned
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Abstract
Systems and methods according to these exemplary embodiments provide sealing mechanisms for centrifugal compressors. A sealing mechanism includes first, second and third dry gas seals arranged in series. Each seal receives its own sealing gas and has its own venting mechanism. Sealing gas pressures remain low enough that a dedicated compressor for supplying the sealing gases is not needed. Additionally, the risk of process gas being released into the atmosphere in case of seal failure is limited.
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