Ceramic turbine stator vane and shroud support
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.
- Inventors:
-
- Lower Moreland Township, Montgomery County, PA
- Issue Date:
- Research Org.:
- Westinghouse Electric Corp., Concordville, PA
- OSTI Identifier:
- 863779
- Patent Number(s):
- 4245954
- Assignee:
- Westinghouse Electric Corp. (Pittsburgh, PA)
- Patent Classifications (CPCs):
-
F - MECHANICAL ENGINEERING F01 - MACHINES OR ENGINES IN GENERAL F01D - NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
F - MECHANICAL ENGINEERING F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04 F05D - INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- DOE Contract Number:
- EF-77-C-01-2786
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- ceramic; turbine; stator; vane; shroud; support; supporting; stationary; vanes; outer; shrouds; define; motive; fluid; gas; path; engine; shown; individual; segment; component; integral; radially; outwardly; projecting; portion; enclosed; split; collet; high-temperature; alloy; material; cavity; configured; interlock; cylindrical; external; surface; engages; mating; internal; aperture; arcuate; camming; surfaces; facing; outward; movement; relative; causes; reduced; diameter; tightly; engage; disposed; therein; extends; opposite; piece; threaded; receiving; nut; compression; washer; retaining; continuous; biasing; force; urging; outer shroud; external surface; cylindrical surface; ceramic component; turbine engine; gas turbine; disposed therein; radially outwardly; radially outward; motive fluid; alloy material; internal cavity; shroud segment; stator vane; extends outwardly; cylindrical surfaces; gas path; ceramic vanes; ceramic turbine; shroud support; outer shrouds; extends outward; cylindrical external; turbine stator; ceramic vane; temperature alloy; /415/
Citation Formats
Glenn, Robert G. Ceramic turbine stator vane and shroud support. United States: N. p., 1981.
Web.
Glenn, Robert G. Ceramic turbine stator vane and shroud support. United States.
Glenn, Robert G. Thu .
"Ceramic turbine stator vane and shroud support". United States. https://www.osti.gov/servlets/purl/863779.
@article{osti_863779,
title = {Ceramic turbine stator vane and shroud support},
author = {Glenn, Robert G},
abstractNote = {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.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Thu Jan 01 00:00:00 EST 1981},
month = {Thu Jan 01 00:00:00 EST 1981}
}