Ceramic turbine shroud
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United States of America Patent
Stats
-
Apr 27, 2004
Grant Date -
Nov 20, 2003
app pub date -
May 15, 2002
filing date -
May 15, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A gas turbine having a metallic outer shroud and a ceramic inner shroud. The ceramic inner shroud being secured to the outer shroud by hooks carried on the outer shroud. The hooks on the outer shroud being coated with TBC. A pin and spring system being provided to hold the ceramic inner shroud against the forward hook of the outer shroud. An anti-rotation pin being provided to trap the aft bend of the ceramic inner shroud against the aft hook of the outer shroud. The gas turbine further including a damping spring and pin system, disposed between a heat shield, within the outer shroud, and the ceramic inner shroud, to provide damping of the inner shroud.
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Cited Art Landscape
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