Airfoil support

Rotary kinetic fluid motors or pumps – With passage in blade – vane – shaft or rotary distributor...

Reexamination Certificate

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C415S200000, C415S209400, C415S210100, C416S092000, C416S09700R, C416S224000, C416S226000, C416S230000, C416S24100B, C416S24100B, C029S419100, C029S889710, C029S889721, C029S889722

Reexamination Certificate

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07410342

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.

REFERENCES:
patent: 2479057 (1949-08-01), Bodger
patent: 3844728 (1974-10-01), Copley et al.
patent: 4247259 (1981-01-01), Saboe et al.
patent: 4249291 (1981-02-01), Grondahl et al.
patent: 4285634 (1981-08-01), Rossman et al.
patent: 4314794 (1982-02-01), Holden et al.
patent: 4563125 (1986-01-01), Boudigues et al.
patent: 4563128 (1986-01-01), Rossmann
patent: 4790721 (1988-12-01), Morris et al.
patent: 4859141 (1989-08-01), Maisch et al.
patent: 6514046 (2003-02-01), Morrison et al.

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