Turbine tip seal damage protection means
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United States of America Patent
Stats
-
Aug 8, 1995
Grant Date -
N/A
app pub date -
Aug 31, 1994
filing date -
Aug 31, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In a steam or gas turbine employing tip seals which are disposed between a stationary shell or spill strip holder and a rotating bucket cover or shroud to minimize steam leakage, the improvement for limiting particle damage to the tip seals and adjacent components comprising: a scoop plate mounted on the shell or spill strip holder from which the tip seals depend, circumferential openings in the tip seals, and expulsion scoops on the scoop plate adjacent the tip seals for deflecting particulate material through the circumferential openings in the tip seals for minimizing damage thereto.
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