Diffuser case for a gas turbine engine

Details Diffuser case for a gas turbine engine Diffuser case for a gas turbine engine

1982-05-20

1984-11-20

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Combustion products generator

60 3931, F02C 700

Patent

active

044831498

ABSTRACT:
The strut supporting the diffuser to the engine outer case wall which also supports the shaft bearing of a turbine engine is conically shaped having its base located downstream with respect to the flow of the engine working medium and is judiciously angled so that the line of action for the bearing load is aligned to coincide with this angle, pass through the strut and intersect the centerline of the engine and the midpoint of the bearing. This enhances the stiffness of the support, reducing the weight necessary to support the same load. The diffuser case and support from the diffuser to the bearing is offset from the strut to minimize direct radial thermal incompatibility and the diffuser is spaced from the outer engine case wall reducing thermal stresses.

REFERENCES:
patent: 3372542 (1968-03-01), Sevetz

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