(19)
(11) EP 2 469 035 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
13.12.2017 Bulletin 2017/50

(43) Date of publication A2:
27.06.2012 Bulletin 2012/26

(21) Application number: 11250867.6

(22) Date of filing: 21.10.2011
(51) International Patent Classification (IPC): 
F01D 9/04(2006.01)
 F01D 5/18(2006.01)
(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: 23.12.2010 US 977418

(71) Applicant: United Technologies Corporation
Farmington, CT 06032 (US)

(72) Inventors:
  • Levine, Jeffrey R.
    Vernon Rockville, Connecticut 06066 (GB)
  • Donnell, Brandon S.
    Hartford, Connecticut 06106 (US)

(74) Representative: Stevens, Jason Paul 
Dehns St Bride's House 10 Salisbury Square
London EC4Y 8JD
London EC4Y 8JD (GB)

   


(54) Turbine engine component comprising a leading edge airfoil-to-platform fillet cooling tube


(57) A turbine engine component (10) includes an airfoil portion having a leading edge (18), a platform (14), a leading edge airfoil to platform fillet (16), and a cooling tube (30) located within said fillet (16). The cooling tube (30) has a flared entrance (31) end and a flared exit end (33).
The invention also extends to a core used to form the turbine engine component.







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