(19)
(11) EP 2 938 824 A1

(12)

(43) Date of publication:
04.11.2015 Bulletin 2015/45

(21) Application number: 13867087.2

(22) Date of filing: 19.12.2013
(51) International Patent Classification (IPC): 
F01D 5/02(2006.01)
F04D 29/26(2006.01)
(86) International application number:
PCT/US2013/076351
(87) International publication number:
WO 2014/105593 (03.07.2014 Gazette 2014/27)
(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: 31.12.2012 US 201213731147

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

(72) Inventors:
  • AIELLO, Nicholas
    Middletown, Connecticut 06457 (US)
  • PHAN, Uyen
    Glastonbury, Connecticut 06033 (US)

(74) Representative: Hull, James Edward 
Dehns St. Bride's House 10 Salisbury Square
London EC4Y 8JD
London EC4Y 8JD (GB)

   


(54) COMPRESSOR ROTOR FOR GAS TURBINE ENGINE WITH DEEP BLADE GROOVE