Sealing ring for a turbine rotor of a turbo machine and turbo ma

Details Sealing ring for a turbine rotor of a turbo machine and turbo ma Sealing ring for a turbine rotor of a turbo machine and turbo ma

1984-02-01

1986-06-24

Croyle, Carlton R.

Power plants

Combustion products used as motive fluid

60 3975, 415174, 415178, 415214, F01D 1108

Patent

active

045961166

ABSTRACT:
The rotor of each stage of a turbine is surrounded, with a clearance by a fixed ring, formed by a metal ring supporting internally an annular thermal screen, in the form of ceramic segments. Expansions and contractions of the metal ring under the action of air which is supplied thereto in order to control the said clearance are transformed into displacements of radial faces of the ring in contact with radial flanges rigid with the turbine casing and seals serve to ensure fluidtightness of the ring.

REFERENCES:
patent: 2915877 (1959-12-01), Darling
patent: 3391904 (1968-07-01), Albert et al.
patent: 4087199 (1978-05-01), Hemsworth et al.
patent: 4222707 (1980-09-01), Drouet et al.
patent: 4317646 (1982-03-01), Steel et al.
patent: 4334822 (1982-06-01), Rossmann
patent: 4337016 (1982-06-01), Chaplin
patent: 4398866 (1983-08-01), Hartel et al.

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