Turbine radial adjustable labyrinth seal
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United States of America Patent
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-
Nov 8, 1994
Grant Date -
N/A
app pub date -
Dec 21, 1992
filing date -
Dec 21, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In an elastic fluid turbine employing packing rings and spill strips or tip seals to minimize leakage between rotating and stationary components, an improvement in the packing rings and spill strips utilizing the combination of: interconnected first and second half parts, the first half part being disposed in an annular groove formed in a stationary component of the turbine, the second half part being partially disposed in a clearance area between the stationary and rotating components, the second half part having at least one seal tooth extending therefrom and contacting the rotating component, shims for selectively varying the spacing between the half parts for adjusting the sealing dimensions of the packing ring and seal strip, and bolts for interconnecting the half parts to form an integral, inseparable unit.
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