(19)
(11) EP 3 456 940 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:
04.11.2020 Bulletin 2020/45

(45) Mention of the grant of the patent:
19.08.2020 Bulletin 2020/34

(21) Application number: 18203501.4

(22) Date of filing: 19.12.2012
(51) International Patent Classification (IPC): 
F02C 3/107(2006.01)
F02C 7/36(2006.01)
 F02K 3/06(2006.01)

(54)

GAS TURBINE ENGINE LUBRICATION

GASTURBINENMOTORSCHMIERUNG

LUBRIFICATION DE MOTEUR DE 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: 30.12.2011 US 201113340743

(43) Date of publication of application:
20.03.2019 Bulletin 2019/12

(60) Divisional application:
20191611.1

(62) Application number of the earlier application in accordance with Art. 76 EPC:
12198045.2 / 2610464

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

(72) Inventors:
  • McCUNE, Michael E.
    Colchester, CT 06415 (US)
  • PORTLOCK, Lawrence E.
    Bethany, CT 06524 (US)
  • Schwarz, Frederick M.
    Glastonbury, CT 06033 (US)

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


(56) References cited: : 
US-A- 3 747 343
US-A1- 2008 006 018
 US-A- 6 158 210
US-A1- 2009 081 039
   
       
    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).