ATBECHDEDKESFRGBGRITLILUNLSEMCPTIESILTLVFIROMKCYALTRBGCZEEHUPLSKBAHRIS..MTNORS......................JDIM360 Ver 2.15 (14 Jul 2008) - 1620000/02075408EUROPEAN PATENT APPLICATIONA320130306EP08173020.220081229itenenMI2007244120071228IT2013030620131020090701200927F01D 5/14 20060101AFI20130130BHEP F01D 9/04 20060101ALI20130130BHEP deLeitschaufel auf letzter Stufe des Niederdruckabschnitts einer DampfturbineenLast stage stator blade of a steam turbine low-pressure sectionfrPale de stator de dernier étage d'une section basse pression de turbine à vapeur45ANSALDO ENERGIA S.P.A.100077126E6620/08-EPVia Nicola Lorenzi 816152 GenovaITCamerlenghi, NicolaVia Andrea Costa, 4/616154 Genova Sestri PonenteITJorio, Paoloet al101276941Studio Torta S.p.A. Via Viotti, 910121 TorinoITATBEBGCHCYCZDEDKEEESFIFRGBGRHRHUIEISITLILTLULVMCMTNLNOPLPTROSESISKTRALBAMKRS20130306201310

A last stage stator blade of a steam turbine low-pressure section has blade sections (S1, S2, ..., SK) at respective section radii (RS1, RS2, ..., RSK), joined according to a tangential stacking line (LEAN). The tangential stacking line (LEAN) is a fourth-order Bezier curve.

E6620/08-EPEP08173020.2ANSALDO ENERGIA S.P.A.4MN20130205F01DEP0916812A1ASEA BROWN BOVERI [CH] ALSTOM SWITZERLAND LTD [CH]19990519Y1-8* paragraph [0018]; figure 2 *WO2007011355A1HONEYWELL INT INC [US]; RENAUD PHILLIPE [FR]; FAVANY FREDERIC [FR]; TI20070125Y1-8* paragraphs [0031], [0032]; figure 3 *WO2007113149A1ALSTOM TECHNOLOGY LTD [CH]; GREIM RALF [CH]; HAVAKECHIAN SAID [CH]; LA20071011Y1-4,6-8* page 6, lines 4-26; figures 1-3 *US2003086788A1CHANDRAKER A L [IN] CHANDRAKER AMRIT LAL [IN]20030508Y1-4,6-8* page 11, line 5 - page 12, line 24; figure 4B *Oechsner de ConinckMunich20130130EP0916812A119990519CN1217419A19990526DE59709447D120030410EP0916812A119990519US6099248A20000808WO2007011355A120070125EP1904730A120080402US2009104023A120090423WO2007011355A120070125WO2007113149A120071011CN101460706A20090617DE112007000717A520090219JP2009531593A20090903US2009257866A120091015US2011164970A120110707WO2007113149A120071011US2003086788A120030508NONE