Turbine support structure

Details Turbine support structure Turbine support structure

1975-10-30

1977-03-01

Croyle, Carlton R.

Power plants

Combustion products used as motive fluid

Combined with regulation of power output feature

F02C 720

Patent

active

040095681

ABSTRACT:
A gas turbine engine has a turbine shroud and back seal plate to define a gas flow passage across turbine rotor blades. A conically shaped turbine support plate for the shroud and back seal plate has a central hub fixedly secured to a bearing mount on the inboard face of a scroll of a compressor for supplying air to a turbine combustor. The conical turbine support plate permits a first predetermined thermal excursion of the shroud and back seal plate to minimize gas leakage between the turbine blades and the turbine shroud components. A plurality of restrictor units are fixedly secured on the scroll and extend axially therefrom to locate a cap portion thereon in close spaced relationship to the turbine support plate to limit expansion of the turbine shroud components with respect to the rotor blades to prevent interference therebetween under elevated temperature conditions.

REFERENCES:
patent: 2622789 (1952-12-01), Lundquist
patent: 2977758 (1961-04-01), Haworth et al.
patent: 3037349 (1962-06-01), Gassmann

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