TURBINE BLADE HAVING IMPROVED FLUTTER CAPABILITY AND INCREASED TURBINE STAGE OUTPUT, CORRESPONDING AIRFOIL AND TURBINE ROTOR STAGE

Title:

TURBINE BLADE HAVING IMPROVED FLUTTER CAPABILITY AND INCREASED TURBINE STAGE OUTPUT, CORRESPONDING AIRFOIL AND TURBINE ROTOR STAGE

Document Type and Number:

WIPO Patent Application WO/2013/162664

Kind Code:

A3

Abstract:

A turbine blade, airfoil configuration, and rotor stage are disclosed in which through the airfoil profile disclosed in Table 1, a modification in airfoil flutter and swirl are achieved. Through the airfoil configuration, the swirl and improved platform sealing configuration, result in the turbine blades having the airfoil profile with an increased performance output from the turbine.

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Inventors:

HART ADAM LEE (US)
FREDMONSKI ADAM JOHN (US)
DIETRICH DOUGLAS JAMES (US)
ABDEL-WAHAB SAMER (US)
FIEBIGER STEPHEN WAYNE (US)
HSIA KUO-TING (US)
DAY W DAVID (US)
RAMIREZ RICHARD (US)

Application Number:

PCT/US2013/024910

Publication Date:

January 03, 2014

Filing Date:

February 06, 2013

Export Citation:

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Assignee:

ALSTOM TECHNOLOGY LTD (CH)
HART ADAM LEE (US)
FREDMONSKI ADAM JOHN (US)
DIETRICH DOUGLAS JAMES (US)
ABDEL-WAHAB SAMER (US)
FIEBIGER STEPHEN WAYNE (US)
HSIA KUO-TING (US)
DAY W DAVID (US)
RAMIREZ RICHARD (US)

International Classes:

F01D5/16; F01D11/00

Foreign References:

US20050019160A1	2005-01-27
US20050111978A1	2005-05-26
US20090097980A1	2009-04-16
EP1411210A1	2004-04-21

Attorney, Agent or Firm:

MACK, Brian R. et al. (Hardy & Bacon LLP2555 Grand Boulevar, Kansas City MO, US)

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