Gas turbine engine compressor casing with internal diameter cont

Details Gas turbine engine compressor casing with internal diameter cont Gas turbine engine compressor casing with internal diameter cont

1989-12-21

1991-05-21

Kwon, John T.

Rotary kinetic fluid motors or pumps

Bearing, seal, or liner between runner portion and static part

Between blade edge and static part

415135, 403 28, F01D 520

Patent

active

050170880

ABSTRACT:
A compressor casing in a gas turbine engine includes an inner jacket formed by two half-shells connected by coupling flanges having cylindrical bellows fitted therebetween and arranged to expand and contract to control the inner diameter of the casing depending on the pressure within the bellows as provided by a supply of air taken from the downstream end of the compressor. The two half-shells are also interconnected by an additional flexible connection.

REFERENCES:
patent: 4844688 (1989-07-01), Clough et al.
Patent Abstracts of Japan, vol. 7, No. 98 (M-210) (1243), Apr. 26, 1983, & JP-A-58 20 904, Feb. 7, 1983, K. Matsuda, "Seal Structure of Tip of Moving Blade for Gas Turbine".
Patent Abstracts of Japan, vol. 10, No. 354 (p-521) (2410), Nov. 28, 1986, & JP-A-61 152 907, Jul. 11, 1986, J. Kaneko, "Seal Part Gap Regulating Device for Turbine".

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