Airfoil support
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 12, 2008
Grant Date -
Oct 18, 2007
app pub date -
Aug 18, 2005
filing date -
May 5, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A blade or a vane preferably used in a gas turbine engine, the blade or vane being formed of a metallic core or insert with a ceramic airfoil surface bonded to the metallic insert. The insert includes a series of concave and convex portions arranged along the outer surface, in which a plurality of hoop fibers are secured within a resin matrix to firmly secure the metallic insert to the ceramic airfoil body. Axial loads between the insert and the ceramic body are transferred to the hoop fibers. The hoop fibers are strong enough to resist extending in length that would permit the hoop fibers from sliding over the widest portion of the insert.
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