Mounting system for engine components having dissimilar coeffici

Details Mounting system for engine components having dissimilar coeffici Mounting system for engine components having dissimilar coeffici

1990-06-29

1992-01-07

Kwon, John T.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Vane or deflector

415134, 415189, 415200, F01D 900

Patent

active

050785761

ABSTRACT:
In a gas turbine engine having a ceramic nozzle guide vane supported by a metal turbine casing the radially outer end of the vane is provided with opposed frustoconical sections which converge towards each other onto a middle cylindrical section. A metal split ring surrounds the cylindrical section, and the radially inner and outer ends of the ring abut the frustoconical sections. The split ring is provided with a flange which cooperates with a groove structure on the turbine casing, thus enclosing the split ring to the casing. A bolt means fastens together two sections of the casing either side of the vane, thereby holding the split ring against the vane. On increase in temperature the split ring expands more than does the vane. The ends of the split ring therefore slide against the frustoconical surfaces of the vane to take up the expansion, and in so doing maintain contact with the vane.

REFERENCES:
patent: 2488875 (1949-11-01), Morley
patent: 2738949 (1956-03-01), Wilkinson
patent: 3521974 (1970-07-01), Zerlauth
patent: 4009969 (1977-03-01), Kadera et al.
patent: 4076451 (1978-02-01), Jankot
patent: 4245954 (1981-01-01), Glenn
patent: 4384822 (1983-05-01), Schweikl et al.

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