(19)
(11) EP 2 539 091 A1

(12)

(43) Date of publication:
02.01.2013 Bulletin 2013/01

(21) Application number: 11702904.1

(22) Date of filing: 01.02.2011
(51) International Patent Classification (IPC): 
B22C 9/10(2006.01)
(86) International application number:
PCT/US2011/023262
(87) International publication number:
WO 2011/106131 (01.09.2011 Gazette 2011/35)
(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

(30) Priority: 25.02.2010 US 712632

(71) Applicants:
  • Siemens Energy, Inc.
    Orlando, FL 32826-2399 (US)
  • Mikro Systems Inc.
    Charlottesville, VA 22901 (US)

(72) Inventors:
  • KAMEL, Ahmed
    Orlando Florida 32828 (US)
  • JOUINI, Dhafer
    Orlando Florida 32828 (US)
  • MERRILL, Gary B.
    Orlando Florida 32828 (US)
  • PAULUS, John R.
    Afton Virginia 22920 (US)
  • APPLEBY, Michael P.
    Crozet Virginia 22932 (US)
  • FRASER, Iain Alasdair
    Ruckersville Virginia 22968 (US)
  • KLINGER, Jill
    Charlottesville Virginia 22902 (US)
  • ORSINGER, Gabriel Victor
    Tucson Arizona 85716 (US)
  • ELLGASS, Daniel
    Big Island Virginia 24526 (US)

(74) Representative: Brocklehurst, Adam Jeffrey 
Siemens AG Postfach 22 16 34
80506 München
80506 München (DE)

   


(54) CASTING CORE FOR TURBINE ENGINE COMPONENTS AND METHOD OF MAKING THE SAME