Process and apparatus for ensuring the operability of gas seals in turbocompressors
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United States of America Patent
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Jun 16, 1998
Grant Date -
N/A
app pub date -
Jun 24, 1996
filing date -
Jun 22, 1995
priority date (Note) -
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Abstract
A process for ensuring the operability of gas seals in turbocompressors, especially turbocompressors with a higher operating pressure and a higher shutdown pressure which have gas-lubricated sliding-ring seals for sealing the shaft lead-throughs and in which cleaned gas is fed to the gas-lubricated sliding-ring seals from a higher-pressure tapping location proceeding from the turbocompressor. While the turbocompressor is shut down the pressure of the gas outside of the turbocompressor is increased above the pressure level prevailing during shutdown using a pressure booster unit, and the gas is fed in a cleaned state to the gas-lubricated sliding-ring seals.
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