(19)
(11) EP 2 834 496 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
11.10.2023 Bulletin 2023/41

(45) Mention of the grant of the patent:
23.08.2023 Bulletin 2023/34

(21) Application number: 13772321.9

(22) Date of filing: 27.03.2013
(51) International Patent Classification (IPC): 
F02C 7/00(2006.01)
F02C 3/113(2006.01)
F02K 3/00(2006.01)
 F02C 7/36(2006.01)
F02C 9/00(2006.01)
(52) Cooperative Patent Classification (CPC):
F02C 7/36; F02C 3/113; F05D 2260/40311; Y02T 50/60
(86) International application number:
PCT/US2013/034062
(87) International publication number:
WO 2013/151841 (10.10.2013 Gazette 2013/41)

(54)

DIFFERENTIAL GEARED ARCHITECTURE FOR GAS TURBINE ENGINE

DIFFERENZIALGETRIEBEARCHITEKTUR FÜR GASTURBINENMOTOR

ARCHITECTURE À ENGRENAGES DIFFÉRENTIELS POUR TURBINE À GAZ

(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

(30) Priority: 02.04.2012 US 201213437363

(43) Date of publication of application:
11.02.2015 Bulletin 2015/07

(60) Divisional application:
23190683.5 / 4245983

(73) Proprietor: RTX Corporation
Farmington, CT 06032 (US)

(72) Inventors:
  • KUPRATIS, Daniel Bernard
    Wallingford, Connecticut 06492 (US)
  • SCHWARZ, Frederick M.
    Glastonbury, Connecticut 06033 (US)

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


(56) References cited: : 
EP-A2- 1 921 290
US-A- 4 251 987
US-A1- 2006 236 675
US-A1- 2009 074 565
US-A1- 2011 206 498
 US-A- 4 251 987
US-A- 6 033 450
US-A1- 2008 060 341
US-A1- 2009 293 445
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).