Segmented inlet nozzle for gas turbine, and methods of installation

Patent · Tue Jan 01 00:00:00 EST 1985

OSTI ID:865304

Klompas, Nicholas ^[1]

---

1. Scotia, NY

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.

• Research Organization: Sandia National Laboratories (SNL), Albuquerque, NM, and Livermore, CA (United States)
• DOE Contract Number: AC04-76
• Assignee: General Electric Company (Schenectady, NY)
• Patent Number(s): US 4492517
• OSTI ID: 865304
• Country of Publication: United States
• Language: English

Related Subjects

segmented
inlet
nozzle
gas
turbine
methods
installation
guide
vane
assembly
formed
individual
arcuate
segments
elastically
joined
form
complete
edges
abutted
prevent
leakage
resultant
included
overall
stationary
structure
secured
mounting
arrangement
permits
relative
radial
movement
inner
outer
mountings
spline-type
provides
circumferential
retention
rigid
freedom
float
radially
results
specific
structures
disclosed
arrangements
tie-rod
joining
method
assembling
subassembly-by-subassembly
employing
temporary
jacks
radial movement
nozzle segments
prevent leakage
relative radial
turbine nozzle
inlet nozzle
nozzle guide
gas turbine
vane assembly
guide vane
mounting arrangement
nozzle segment
arcuate nozzle
/415/416/