Ceramic turbine structures

Details Ceramic turbine structures Ceramic turbine structures

1976-03-19

1977-02-22

Raduazo, Henry F.

Rotary kinetic fluid motors or pumps

Including thermal expansion joint

415135, 415200, 415214, 415217, F01D 2526

Patent

active

040089789

ABSTRACT:
An outer ceramic shroud for a gas turbine engine includes a plurality of ceramic ring members each housing a rotating blade row of the turbine and further including ceramic stator vane stages located alternately between each of the ring members and having a radially outer rim portion thereon axially aligned with the ring members. The ring members and rims have tongue and groove means thereon for interconnection thereof into a continuous outer high temperature ceramic shroud maintained in axially assembled relationship by a pressure loaded piston member for applying a load to the shroud components during engine operation as a direct function of the discharge pressure of the engine compressor and a supplemental spring to load the shroud components when the discharge pressure drops, thereby to maintain the operative position of stator vane stages.

REFERENCES:
patent: 2445661 (1948-07-01), Constant et al.
patent: 2834537 (1958-05-01), Neury
patent: 3048452 (1962-08-01), Addie
patent: 3075742 (1963-01-01), Aldag
patent: 3078071 (1963-02-01), Henny et al.
patent: 3843279 (1974-10-01), Crossley et al.
patent: 3857649 (1974-12-01), Schaller et al.

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