Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Specific casing or vane material
Patent
1978-12-01
1981-01-20
Smith, Leonard E.
Rotary kinetic fluid motors or pumps
Working fluid passage or distributing means associated with...
Specific casing or vane material
415217, F01D 904
Patent
active
042459540
ABSTRACT:
A support system for supporting the stationary ceramic vanes and ceramic outer shrouds which define the motive fluid gas path in a gas turbine engine is shown. Each individual segment of the ceramic component whether a vane or shroud segment has an integral radially outwardly projecting stem portion. The stem is enclosed in a split collet member of a high-temperature alloy material having a cavity configured to interlock with the stem portion. The generally cylindrical external surface of the collet engages a mating internal cylindrical surface of an aperture through a supporting arcuate ring segment with mating camming surfaces on the two facing cylindrical surfaces such that radially outward movement of the collet relative to the ring causes the internal cavity of the collet to be reduced in diameter to tightly engage the ceramic stem disposed therein. A portion of the collet extends outwardly through the ring segment opposite the ceramic piece and is threaded for receiving a nut and a compression washer for retaining the collet in the ring segment under a continuous biasing force urging the collet radially outwardly.
REFERENCES:
patent: 2488875 (1949-11-01), Morley
patent: 2622790 (1952-12-01), McLeod
patent: 2744680 (1956-05-01), Rainbow et al.
patent: 2755064 (1956-07-01), Simonsen
patent: 2801822 (1957-08-01), Speed
patent: 2819871 (1958-01-01), McVeigh
patent: 2957228 (1960-10-01), Stoddard et al.
patent: 3325087 (1967-06-01), Davis
patent: 3521974 (1970-07-01), Zerlauth
Possessky E. F.
Smith Leonard E.
Westinghouse Electric Corp.
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