Segmented composite inner shrouds

Details Segmented composite inner shrouds Segmented composite inner shrouds

1990-04-27

1991-11-05

Look, Edward K.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Vane or deflector

415190, 415200, F01D 500

Patent

active

050627678

ABSTRACT:
A shroud for supporting the vanes in the hot sections of a gas turbine engine is comprised of composite segments retained in a metal ring. The metal ring has a positive coefficient of expansion, while the segments have a zero (or much smaller) coefficient. When the ring is heated and grows, it carries the segments with it, so that there is an apparent corresponding growth of the segments.

REFERENCES:
patent: 1362074 (1920-12-01), Baumann
patent: 2686655 (1954-08-01), Schorner
patent: 3970318 (1976-07-01), Tuley
patent: 4365933 (1982-12-01), Langer et al.
patent: 4646810 (1987-03-01), Lardellier
patent: 4701102 (1987-10-01), Pisz et al.
patent: 4759687 (1988-07-01), Miraucourt

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