(19)
(11) EP 2 809 936 A2

(12)

(88) Date of publication A3:
03.01.2014

(43) Date of publication:
10.12.2014 Bulletin 2014/50

(21) Application number: 13775841.3

(22) Date of filing: 17.01.2013
(51) International Patent Classification (IPC): 
F02K 3/02(2006.01)
(86) International application number:
PCT/US2013/021831
(87) International publication number:
WO 2013/154639 (17.10.2013 Gazette 2013/42)
(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: 31.01.2012 US 201213361987

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

(72) Inventors:
  • HASEL, Karl L.
    Manchester, Connecticut 06040 (US)
  • SMITH, Peter G.
    Wallingford, Connecticut 06492 (US)
  • OCHS, Stuart S.
    Manchester, Connecticut 06040 (US)

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

   


(54) GAS TURBINE ENGINE WITH IMPROVED FUEL EFFICIENCY