Gas turbine engine case with intergral shroud support ribs

Details Gas turbine engine case with intergral shroud support ribs Gas turbine engine case with intergral shroud support ribs

1991-01-07

1992-05-26

Bertsch, Richard A.

Power plants

Combustion products used as motive fluid

Combustion products generator

415191, F02C 304

Patent

active

051156423

ABSTRACT:
Inner case 14 is supported from outer case 12 through combined vanes 32. Substantial torque loading is transferred leading to high stress levels at the roots of the vanes. Shrouds 22, 28 are thinned between support ring 20 and conical portion 18. Ribs 48 are located coincident with the radial extension of the vanes 32. With the cambered vanes the high stress location is remote from the vane ends, and flexibility is achieved at such location.

REFERENCES:
patent: 2622790 (1952-12-01), McLeod
patent: 2857093 (1958-10-01), Warnken
patent: 3393436 (1968-07-01), Blackhurst et al.
patent: 3565545 (1971-02-01), Bobo et al.
patent: 4190397 (1980-02-01), Schilling et al.
patent: 4466239 (1984-08-01), Napoli et al.
patent: 4870826 (1989-10-01), Daguet et al.
patent: 4907946 (1990-03-01), Ciokajlo et al.
patent: 5024581 (1991-06-01), Foucher

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