Gas turbine engine polygonal structural frame with axially curve

Details Gas turbine engine polygonal structural frame with axially curve Gas turbine engine polygonal structural frame with axially curve

1991-09-16

1993-10-05

Bertsch, Richard A.

Power plants

Combustion products used as motive fluid

Combined with regulation of power output feature

60271, F02C 720, F02G 300

Patent

active

052494187

ABSTRACT:
A turbine rear structural frame of polygonal shape for use in a gas turbine engine is modified to have axially curved panels. The structural frame includes an annular outer shell, an annular inner central hub, and a plurality of circumferentially-spaced struts extending between and connected to the outer shell and central hub. The annular outer shell includes a plurality of panels connected end-to-end with one another. Each panel has a curved configuration and the outer shell has a central axis. The curved configuration of each panel of the outer shell runs in the direction of the axis.

REFERENCES:
patent: 2724544 (1955-11-01), Hardigg
patent: 3024969 (1962-03-01), Russell
patent: 3088278 (1963-05-01), Franz
patent: 3708242 (1973-01-01), Bruneau et al.
patent: 4492078 (1985-01-01), Williamson
General Electric CF6-80C2 Poster, Reed Business Publishing, 1987./

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