Segmented inlet nozzle for gas turbine, and methods of installation
Patent
·
OSTI ID:7002477
A gas turbine nozzle guide vane assembly is formed of individual arcuate nozzle segments. The arcuate nozzle segments are elastically joined to each other to form a complete ring, with edges abutted to prevent leakage. The resultant nozzle ring is included within the overall gas turbine stationary structure and secured by a mounting arrangement which permits relative radial movement at both the inner and outer mountings. A spline-type outer mounting provides circumferential retention. A complete rigid nozzle ring with freedom to float'' radially results. Specific structures are disclosed for the inner and outer mounting arrangements. A specific tie-rod structure is also disclosed for elastically joining the individual nozzle segments. Also disclosed is a method of assembling the nozzle ring subassembly-by-subassembly into a gas turbine employing temporary jacks. 12 figs.
- Assignee:
- General Electric Co., Schenectady, NY (United States)
- Patent Number(s):
- US 4492517; A
- Application Number:
- PPN: US 6-456288
- OSTI ID:
- 7002477
- Country of Publication:
- United States
- Language:
- English
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