(19)
(11) EP 2 867 477 A2

(12)

(88) Date of publication A3:
30.05.2014

(43) Date of publication:
06.05.2015 Bulletin 2015/19

(21) Application number: 13831135.2

(22) Date of filing: 22.05.2013
(51) International Patent Classification (IPC): 
F01D 5/20(2006.01)
F01D 5/12(2006.01)
(86) International application number:
PCT/US2013/042197
(87) International publication number:
WO 2014/031195 (27.02.2014 Gazette 2014/09)
(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: 28.06.2012 US 201213536156

(71) Applicant: United Technologies Corporation
Hartford, CT 06101 (US)

(72) Inventors:
  • PARKOS, JR., Joseph
    East Haddam, Connecticut 06423 (US)
  • HANSEN, James O.
    Glastonbury, Connecticut 06033 (US)

(74) Representative: Leckey, David Herbert 
Dehns St Bride's House 10 Salisbury Square
London EC4Y 8JD
London EC4Y 8JD (GB)

   


(54) GAS TURBINE ENGINE FAN BLADE TIP TREATMENT