Braided complex composite parts and methods of forming same

Details Braided complex composite parts and methods of forming same Braided complex composite parts and methods of forming same

1994-08-16

1996-11-19

Nold, Charles R.

Stock material or miscellaneous articles

Hollow or container type article

428 345, 428 347, 428 361, 428 363, 428105, 428113, B32B 108

Patent

active

055760791

ABSTRACT:
A multi-vane structure for incorporation in an aircraft gas turbine engine has vanes of complex geometry made of braided fibers which are continuous about the cavities defined by the vanes. These complex geometry parts are prepared by providing a plurality of removable mandrels, stacking the mandrels along a horizontal axis in a cavity end to cavity end configuration, braiding about the mandrels, cutting the mandrels adjacent the cavity end faces, side stacking the mandrels so the faces are placed in a parallel orientation and molding. Utilizing braided fibers instead of hand lay-up woven fibers eliminates seams and produces cavities having continuous fibers about the periphery thereof which substantially increases the strength and dimensional reproducibly of the part.

REFERENCES:
patent: 4512836 (1985-04-01), Tucci
patent: 4596621 (1986-06-01), Nawaz
patent: 4710412 (1987-12-01), Darrieux
patent: 4892764 (1990-01-01), Drain et al.
patent: 5399395 (1995-03-01), Forman et al.

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