(19)
(11) EP 2 820 297 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:
20.09.2023 Bulletin 2023/38

(45) Mention of the grant of the patent:
16.08.2023 Bulletin 2023/33

(21) Application number: 13754262.7

(22) Date of filing: 15.02.2013
(51) International Patent Classification (IPC): 
F04B 17/00(2006.01)
 F01D 5/28(2006.01)
(52) Cooperative Patent Classification (CPC):
F01D 5/225; F01D 5/3007; F05D 2300/174; F05D 2300/6033; F01D 5/28; F01D 5/284; Y02T 50/60
(86) International application number:
PCT/US2013/026255
(87) International publication number:
WO 2013/130280 (06.09.2013 Gazette 2013/36)

(54)

LIGHTWEIGHT FAN DRIVING TURBINE

LEICHTGEWICHTIGE BLÄSERANTRIEBSTURBINE

TURBINE D'ENTRAÎNEMENT DE SOUFFLANTE LÉGÈRE

(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: 29.02.2012 US 201261604572 P
13.03.2012 US 201213418404

(43) Date of publication of application:
07.01.2015 Bulletin 2015/02

(60) Divisional application:
23190696.7 / 4245965

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

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

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


(56) References cited: : 
EP-A1- 1 329 592
WO-A1-2005/056220
US-A- 2 058 479
US-A- 4 251 987
US-A- 5 740 668
US-B1- 6 190 133
US-B2- 7 435 058
 EP-A2- 2 374 999
WO-A1-2011/161371
US-A- 4 156 051
US-A- 4 663 241
US-A1- 2010 329 883
US-B1- 6 551 372
   
       
    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).