Load transfer mechanism for a turbine disk

Details Load transfer mechanism for a turbine disk Load transfer mechanism for a turbine disk

1998-11-12

2000-12-19

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Laminated, embedded member or encased material

416229A, 416244A, F01D 502

Patent

active

06162019&

ABSTRACT:
A load transferring system wherein a composite turbine disk mounted on a shaft is in contact with a backup disk which is secured to the shaft. The turbine disk is made of layers of woven carbon fibers held in a rigid configuration in a ceramic matrix. The composite disk has a plurality of lugs which have trapezoidal cross sections when cut by planes which are perpendicular to each other, with both planes being normal to the disk. The backup disk is provided with recesses which are the negative of the trapezoidal lugs to lock the two disks together. A second backup disk may be secured to the shaft to secure the composite turbine disk between the backup disks.

REFERENCES:
patent: 4363602 (1982-12-01), Martin
patent: 5205716 (1993-04-01), Georges et al.
Mitch Petervery, Boeing, Rocketdyne Division, Nov. 14, 1997 Wayne Lorandeau, DuPont Lanxide, Nov. 14, 1997 (See Enclosure).

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