Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Specific casing or vane material
Patent
1995-12-21
1996-10-29
Kwon, John T.
Rotary kinetic fluid motors or pumps
Working fluid passage or distributing means associated with...
Specific casing or vane material
F04D 2944
Patent
active
055690190
ABSTRACT:
A unitary composite stator vane for a gas turbine engine comprising an aerodynamically configured airfoil section, a foot extending substantially perpendicularly from one end of the airfoil section, and a smoothly contoured transition section interconnecting the airfoil section with the foot. The stator vane is comprised of a composite material including a plurality of compression molded, heat cured plies. The plies include a plurality of centrally located internal plies of reinforcement material of continuous yarns of para-aramid fibers. On each side of the internal plies are plies of resin impregnated graphite fiber material. The graphite fibers are protected by an external steel wire mesh ply covering the leading edges of the vanes. Substantially all of the internal para-aramid reinforcement fibers are discontinuous proximate the transition section between the airfoil section and foot.
REFERENCES:
patent: 4786347 (1988-11-01), Angus
patent: 5145319 (1992-09-01), Glowacki
patent: 5380152 (1995-01-01), Sikorski et al.
patent: 5458465 (1995-10-01), von Wieser et al.
Katariya Devinder N.
Rich Ronald J.
Stenard Steven C.
Wilson Bruce D.
Allied-Signal Inc.
Kwon John T.
McFarland James W.
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