(19)
(11) EP 2 798 183 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:
20.01.2021 Bulletin 2021/03

(45) Mention of the grant of the patent:
02.12.2020 Bulletin 2020/49

(21) Application number: 12872281.6

(22) Date of filing: 28.12.2012
(51) International Patent Classification (IPC): 
F02K 1/00(2006.01)
F02C 6/00(2006.01)
F02C 3/00(2006.01)
F01D 5/14(2006.01)
F02K 1/09(2006.01)
F02C 7/36(2006.01)
F04D 29/56(2006.01)
F02C 3/10(2006.01)
F02C 1/06(2006.01)
F02C 7/275(2006.01)
F01D 17/16(2006.01)
F02K 1/16(2006.01)
F02C 9/20(2006.01)
(86) International application number:
PCT/US2012/071901
(87) International publication number:
WO 2013/141930 (26.09.2013 Gazette 2013/39)

(54)

GAS TURBINE ENGINE WITH LOW FAN PRESSURE RATIO

GASTURBINENMOTOR MIT NIEDRIGEM LÜFTERDRUCKVERHÄLTNIS

TURBOMOTEUR À FAIBLE RAPPORT DE PRESSION DE SOUFFLANTE


(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: 30.12.2011 US 201113340761

(43) Date of publication of application:
05.11.2014 Bulletin 2014/45

(60) Divisional application:
20210919.5

(73) Proprietor: Raytheon Technologies Corporation
Farmington, CT 06032 (US)

(72) Inventors:
  • SMITH, Peter G.
    Wallingford, Connecticut 06492 (US)
  • OCHS, Stuart S.
    Coventry, Connecticut 06238 (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- 2 022 949
US-A- 5 655 360
US-A1- 2006 228 206
US-A1- 2009 277 155
US-B2- 7 721 549
WO-A1-2008/045058
US-A1- 2006 179 818
US-A1- 2008 155 961
US-A1- 2011 120 078
   
       
    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).