Turbomachine blade made of composite material

Details Turbomachine blade made of composite material Turbomachine blade made of composite material

1996-03-28

1997-09-30

Zirker, Daniel

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428232, 428245, 87 1, 87 8, 416230, B29C 7024, B32B 526, B32B 700

Patent

active

056724179

ABSTRACT:
A turbomachine blade, particularly a fan blade for an aircraft jet engine, is made of a composite material comprising reinforcing fibres embedded in a thermosetting resin matrix, wherein the reinforcing fibres form a multilayer woven fabric in which the warp fibres of each layer are interwoven not only with the weft fibres of the layer but also with the weft fibres of at least the layers immediately above and below it so that the layers are all interconnected. Also, each layer only partly covers the layer below it so that the ends of the warp and weft fibres of a layer extend to near the surface of the blade, and the thickness of the blade at any point is determined by the number of layers present at that point.

REFERENCES:
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patent: 4174739 (1979-11-01), Rasero et al.
patent: 4312913 (1982-01-01), Rheaume
patent: 4363602 (1982-12-01), Martin
patent: 4410385 (1983-10-01), Murphy et al.
patent: 4576770 (1986-03-01), Schultz
patent: 5279892 (1994-01-01), Baldwin et al.
patent: 5308228 (1994-05-01), Benoit et al.

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