Reduced emission gas seal
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United States of America Patent
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Oct 24, 2023
Grant Date -
Jul 28, 2022
app pub date -
Apr 11, 2022
filing date -
Jun 10, 2016
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Abstract
A dry gas mechanical seal system configured to inhibit the emission of process gas. The mechanical seal system having tandem first and second stage seals, and a single separation gas supply subsystem configured to direct a supply of separation gas from an inlet through interfacing portions of the first stage seal into a process cavity and from the inlet through the interfacing portions of the second stage seal and out through an outlet to the atmosphere, thereby inhibiting the emission of process gas between a compressor housing and a rotating compressor shaft.
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