(19)
(11) EP 3 065 897 A1

(12)

(43) Date of publication:
14.09.2016 Bulletin 2016/37

(21) Application number: 14795762.5

(22) Date of filing: 28.10.2014
(51) International Patent Classification (IPC): 
B22C 9/10(2006.01)
B22C 9/24(2006.01)
B22C 9/04(2006.01)
F01D 9/04(2006.01)
(86) International application number:
PCT/US2014/062606
(87) International publication number:
WO 2015/069495 (14.05.2015 Gazette 2015/19)
(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

(30) Priority: 07.11.2013 US 201313998541

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

(72) Inventors:
  • LEE, Ching-Pang
    Cincinnati, Ohio 45243 (US)
  • HILLIER, Gerald L.
    Charlottesville, Virginia 22901 (US)
  • UM, Jae Y.
    Winter Garden, Florida 34787 (US)
  • AZAD, Gm Salam
    Oviedo, Florida 32765 (US)

(74) Representative: Maier, Daniel Oliver 
Siemens AG Postfach 22 16 34
80506 München
80506 München (DE)

   


(54) CERAMIC CASTING CORE HAVING AN INTEGRAL VANE INTERNAL CORE AND SHROUD BACKSIDE SHELL FOR VANE SEGMENT CASTING