Leakage seal for gas path of gas turbine
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United States of America Patent
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Jun 24, 2008
Grant Date -
Mar 29, 2007
app pub date -
Sep 27, 2005
filing date -
Sep 27, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A leakage seal for use in a gas path between two relatively rotatable members of a gas turbine comprises a foil layer and a cloth layer. The foil layer has two expansive surfaces, a single one of which is covered by the cloth layer. The leakage seal has a proximal end, a distal end, and a generally flat region between the proximal and distal ends. The proximal end is attached to an associated one of the turbine members. The distal end diverges from the generally flat region so as to define a curved hook, along which the cloth portion is wrapped over the foil layer, when the distal end is viewed in cross-section.
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