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Title:
STEAM TURBINE NOZZLE SEGMENT HAVING ARCUATE INTERFACE
Document Type and Number:
Japanese Patent JP2011169318
Kind Code:
A
Abstract:

To provide a steam turbine nozzle segments with conical interfaces.

In one embodiment a steam turbine static nozzle blade (110) includes: an airfoil (112); an inner sidewall (114) integral with a first side of the airfoil (112); and an outer sidewall (116) integral with a second side of the airfoil (112); the inner sidewall (114) and the outer sidewall (116) each including: a pressure side (124) having an arcuate concave surface (134) extending substantially an entire length of the sidewall (L); and a suction side (126) having an arcuate convex surface (136) extending substantially the entire length of the sidewall (L).


Inventors:
BURDGICK STEVEN SEBASTIAN
MORTZHEIM JASON PAUL
WERTHER DOMINICK JOSEPH
Application Number:
JP2011025525A
Publication Date:
September 01, 2011
Filing Date:
February 09, 2011
Export Citation:
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Assignee:
GEN ELECTRIC
International Classes:
F01D9/02; F01D9/04
Domestic Patent References:
JPS5966948A1984-04-16
JP2008534837A2008-08-28
JP2008144687A2008-06-26
JP2005146896A2005-06-09
JPS6022002A1985-02-04
JP2002061600A2002-02-28
JPS5966948A1984-04-16
JP2008534837A2008-08-28
JP2008144687A2008-06-26
JP2005146896A2005-06-09
JPS6022002A1985-02-04
JP2002061600A2002-02-28
Foreign References:
WO2008084038A12008-07-17
WO2008084038A12008-07-17
Attorney, Agent or Firm:
Arakawa Satoshi
Hirokazu Ogura
Toshihisa Kurokawa



 
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