Hybrid structure airfoil
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United States of America Patent
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-
Nov 19, 2013
Grant Date -
Feb 14, 2013
app pub date -
Dec 20, 2011
filing date -
Apr 16, 2009
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A hybrid airfoil for a gas turbine engine is provided that includes a body and a panel. The body has a first side and a second side orientated opposite the first side. The first and second sides extend between a tip, a base, a leading edge and a trailing edge. The body includes a plurality of cavities disposed in the first side of the body, which cavities extend inwardly toward the second side. The cavities collectively form an opening. At least one rib is disposed between the cavities. A shelf is disposed around the opening. The panel is attached to the shelf first mounting surface and to the rib, and is sized to enclose the opening. The panel is a load bearing structure operable to transfer loads to the body and receive loads from the body.
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