Turbine ring incorporating elements of a ceramic composition div

Details Turbine ring incorporating elements of a ceramic composition div Turbine ring incorporating elements of a ceramic composition div

1987-04-21

1988-07-26

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Including casing part selectively movable relative to fixed...

Circularly around fixed runner axis

415128, 415174, 415197, 415196, 415137, 415138, F01D 2524, F03D 1100

Patent

active

047596872

ABSTRACT:
A turbine ring comprises an annular support in two parts and a ring of ceramic sectors for sealing purposes. The two parts of the support are interconnected by an axial groove and a sliding male part. Each part comprises an axial annular groove in which is engaged a respective axial edge portion of each sector. The cooperating internal radial faces respectively of the edge portion and of the groove are circumferential, while the radially outer radial face of each sector comprises at least one flat zone. The corresponding face of each groove may be polygonal.

REFERENCES:
patent: 3860358 (1975-01-01), Cavicchi et al.
patent: 4087199 (1978-05-01), Hemsworth et al.
patent: 4337016 (1982-06-01), Chaplin
patent: 4643638 (1987-02-01), Laurello

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