Turbine seal rub protection means
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Mar 5, 1996
Issued Date -
N/A
app pub date -
Dec 7, 1994
filing date -
Mar 22, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a compressible rotating machine having stationary and rotating elements and employing seal teeth between the stationary and rotating elements capable of being rubbed, worn and damaged by the rotating elements, the improvement which comprises providing a small patch of hard, cutting or grinding material on a small portion of the rotating elements disposed in opposition to the seal teeth and capable of intermittent cutting of the seal teeth during temporary contact so as to avoid mushrooming or of melting of the teeth and to leave them sharp and thin and to prevent grooving of the surface of the rotating elements.
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Family
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