Pre-stressed/pre-compressed gas turbine nozzle
Abstract
A method of increasing low cycle fatigue life of a turbine nozzle comprising a plurality of stationary airfoils extending between radially inner and outer ring segments comprising a) providing at least one radial passage in each of the plurality of airfoils; b) installing a rod in the radial passage extending between the radially inner and outer ring segments and fixing one end of the rod to one of the inner and outer rings; and c) pre-loading the rod to compress the airfoil between the inner and outer ring segments.
- Inventors:
-
- Schenectady, NY
- Clifton Park, NY
- Guilderland, NY
- Issue Date:
- Research Org.:
- General Electric Co., Schenectady, NY (United States)
- OSTI Identifier:
- 874498
- Patent Number(s):
- 6402463
- Assignee:
- General Electric Company (Schenectady, NY)
- 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:
- FC21-95MC31176
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- pre-stressedpre-compressed; gas; turbine; nozzle; method; increasing; cycle; fatigue; life; comprising; plurality; stationary; airfoils; extending; radially; inner; outer; segments; providing; radial; passage; installing; rod; fixing; rings; pre-loading; compress; airfoil; gas turbine; turbine nozzle; radially inner; fatigue life; /415/
Citation Formats
Jang, Hoyle, Itzel, Gary Michael, and Yu, Yufeng Phillip. Pre-stressed/pre-compressed gas turbine nozzle. United States: N. p., 2002.
Web.
Jang, Hoyle, Itzel, Gary Michael, & Yu, Yufeng Phillip. Pre-stressed/pre-compressed gas turbine nozzle. United States.
Jang, Hoyle, Itzel, Gary Michael, and Yu, Yufeng Phillip. Tue .
"Pre-stressed/pre-compressed gas turbine nozzle". United States. https://www.osti.gov/servlets/purl/874498.
@article{osti_874498,
title = {Pre-stressed/pre-compressed gas turbine nozzle},
author = {Jang, Hoyle and Itzel, Gary Michael and Yu, Yufeng Phillip},
abstractNote = {A method of increasing low cycle fatigue life of a turbine nozzle comprising a plurality of stationary airfoils extending between radially inner and outer ring segments comprising a) providing at least one radial passage in each of the plurality of airfoils; b) installing a rod in the radial passage extending between the radially inner and outer ring segments and fixing one end of the rod to one of the inner and outer rings; and c) pre-loading the rod to compress the airfoil between the inner and outer ring segments.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Jan 01 00:00:00 EST 2002},
month = {Tue Jan 01 00:00:00 EST 2002}
}
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