Turbine support for gas turbine engine

Details Turbine support for gas turbine engine Turbine support for gas turbine engine

1990-11-16

1992-01-14

Look, Edward K.

Rotary kinetic fluid motors or pumps

Shaft bearing combined with or retained by arm or vane in...

415108, 415136, 415138, 4151821, 60 3908, F01D 2516

Patent

active

050805550

ABSTRACT:
A turbine support for reacting structural loads from a rotor bearing cage to a case of a gas turbine engine. The turbine support includes a homogeneous main casting and a rotor bearing cage. The main casting has concentrically arranged inner, intermediate and outer walls. The bearing cage is radially inboard and a rigid appendage of the inner wall. The inner and intermediate walls define therebetween a longitudinal segment of the annular hot gas flow path of the engine. The outer wall is bolted to the engine case. The inner wall is connected to the intermediate wall by a plurality of generally radially oriented, angularly separated inner load bearing struts of the main casting. The outer wall is connected to the intermediate wall by a plurality of radially oriented, angularly separated outer load bearing struts of the main casting. The outer struts are offset from the inner struts so that the portions of the intermediate wall between adjacent pairs of inner and outer struts define cantilever springs which accommodate relative thermal growth in the turbine support occasioned by temperature gradients to which the turbine support is exposed.

REFERENCES:
patent: 2439447 (1998-04-01), Buck et al.
patent: 2497049 (1950-02-01), Soderberg
patent: 2941781 (1960-06-01), Boyom
patent: 4197702 (1980-04-01), Robertson
patent: 4979872 (1990-12-01), Myers et al.

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