Rotary kinetic fluid motors or pumps – Including thermal expansion joint – Circumferentially spaced nozzle or stator segments
Patent
1983-01-06
1985-01-08
Favors, Edward G.
Rotary kinetic fluid motors or pumps
Including thermal expansion joint
Circumferentially spaced nozzle or stator segments
415115, 415189, 416217, F01D 1100
Patent
active
044925174
ABSTRACT:
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.
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Favors Edward G.
General Electric Company
Kwon John
Squillaro J. C.
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