(19)
(11)EP 4 196 665 A2

(12)

(88)Date of publication A3:
14.04.2022

(43)Date of publication:
21.06.2023 Bulletin 2023/25

(21)Application number: 21835447.0

(22)Date of filing:  19.08.2021
(51)International Patent Classification (IPC): 
F01D 5/18(2006.01)
(52)Cooperative Patent Classification (CPC):
F05D 2260/201; F01D 5/187; F05D 2240/81
(86)International application number:
PCT/US2021/046709
(87)International publication number:
WO 2022/051101 (10.03.2022 Gazette  2022/10)
(84)Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30)Priority: 24.08.2020 US 202062706535 P
04.09.2020 US 202063074786 P

(71)Applicant: Siemens Energy Global GmbH & Co. KG
81739 München (DE)

(72)Inventors:
  • JOHANSSON, Bengt
    58254 Linköping (SE)
  • CROSSLEY, Michael
    South Ayrshire KA7 2TL (GB)
  • LI, Xin-Hai
    58272 Linköping (SE)
  • PESARE, Antonio
    60225 Norrköping (SE)
  • NYGREN, Daniel
    115 34 Stockholm (SE)
  • SKRINJAR, Olle
    18460 Åkersberga (SE)
  • GYLLENHAMMAR, Maria
    59179 Fornåsa (SE)

(74)Representative: Isarpatent 
Patent- und Rechtsanwälte Barth Charles Hassa Peckmann & Partner mbB Friedrichstrasse 31
80801 München
80801 München (DE)

  


(54)GAS TURBINE BLADE