(19)
(11) EP 3 292 277 A1

(12)

(43) Date of publication:
14.03.2018 Bulletin 2018/11

(21) Application number: 15722021.1

(22) Date of filing: 07.05.2015
(51) International Patent Classification (IPC): 
F01D 5/18(2006.01)
(86) International application number:
PCT/US2015/029673
(87) International publication number:
WO 2016/178689 (10.11.2016 Gazette 2016/45)
(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:
MA

(71) Applicant: Siemens Aktiengesellschaft
80333 München (DE)

(72) Inventors:
  • MARTIN, Jr., Nicholas F.
    York, South Carolina 29745 (US)
  • MERRILL, Gary B.
    Orlando, Florida 32804 (US)
  • MILLER, Jr., Samuel R.
    Port St. Lucie, Florida 34986 (US)
  • BEECK, Alexander Ralph
    Orlando, Florida 32828 (US)

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

   


(54) TURBINE AIRFOIL WITH INTERNAL COOLING CHANNELS