Device for checking the clearances of a gas turbine compressor c

Details Device for checking the clearances of a gas turbine compressor c Device for checking the clearances of a gas turbine compressor c

1993-01-04

1994-05-24

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

4151733, 415115, F01D 520

Patent

active

053143035

ABSTRACT:
A gas turbine compressor casing has two inner and outer envelopes forming at least one closed cavity and a locking or clamping ring having a thermal inertia higher than that of the envelopes and mounted in the closed cavity in such a way as to limit its contraction during a lowering of the temperature. The thermal inertia difference can be obtained by using for the locking ring a material having a thermal expansion coefficient lower than the coefficient of the envelopes. It can also be controlled by a ventilation means device for ensuring hot air flow in the cavity.

REFERENCES:
patent: 3975901 (1976-08-01), Hallinger et al.
patent: 5080557 (1992-01-01), Berger
patent: 5092737 (1992-03-01), Lau
patent: 5098257 (1992-03-01), Hultgren et al.

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