Seal-off mechanism for rotating turbine shaft
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United States of America Patent
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-
Feb 2, 1988
Grant Date -
N/A
app pub date -
Feb 4, 1986
filing date -
Feb 4, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A seal-off mechanism for preventing migration of working fluid along a turbine shaft which includes a floating seal ring and a shaft shoulder. The seal ring is spring biased against the shaft shoulder. During turbine operation, a pressurized fluid moves the ring away from the shoulder. The pressurized fluid then flows toward the turbine to contain the working fluid. A chamber collects the pressurized fluid and the working fluid for subsequent separation and reuse.
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