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US 6,200,092 B1Granted
Ceramic turbine nozzle
AssigneeGeneral Electric Company
InventorAngelo V. Koschier
Life of this patent
Estimating the term…
Abstract
A turbine nozzle includes ceramic outer and inner bands, with a ceramic vane forward segment integrally joined thereto. A ceramic vane aft segment has opposite ends trapped in complementary sockets in the bands.
Claims19
A turbine nozzle comprising:
- ceramic outer and inner bands;
- a ceramic vane forward segment integrally joined at opposite ends to said bands;
- and
- a ceramic vane aft segment having opposite ends trapped in complementary sockets in said bands.
1 more element
A turbine nozzle comprising:
- ceramic outer and inner bands;
- a ceramic matrix composite vane forward segment integrally joined at opposite ends to said bands;
- and
- a monolithic ceramic vane aft segment having opposite ends trapped in complementary sockets in said bands.
1 more element
A method of making a ceramic turbine nozzle comprising:
- forming a ceramic vane aft segment;
- forming a green ceramic fiber tube in a vane forward segment complementary with said aft segment;
- laminating said forward segment with green outer and inner bands;
- trapping said aft segment between said bands and behind said forward segment;
- and
- curing said green bands and forward segment to form said ceramic nozzle with said aft segment trapped therein.
3 more elements
Dependencies are inferred from the claim text.