GEARED TURBOFAN ENGINE AND COOLING METHOD THEREOF

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EP 2 971 664 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:
	21.04.2021 Bulletin 2021/16

(45)	Mention of the grant of the patent:
	17.03.2021 Bulletin 2021/11

(21)	Application number: 13878400.4

(22)	Date of filing: 18.12.2013

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International Patent Classification (IPC):

F02C 7/12^(2006.01)
F02K 3/06^(2006.01)
F02C 6/08^(2006.01)
F02C 7/18^(2006.01)
F01D 25/24^(2006.01)
F02C 7/04^(2006.01)

F01D 25/12^(2006.01)
F02K 3/115^(2006.01)
F02C 9/18^(2006.01)
F02C 3/107^(2006.01)
F02C 3/04^(2006.01)
F02C 7/14^(2006.01)

(86)	International application number:
	PCT/US2013/075961

(87)	International publication number:
	WO 2014/143282 (18.09.2014 Gazette 2014/38)

(54)	GEARED TURBOFAN ENGINE AND COOLING METHOD THEREOF GETRIEBETURBOFANMOTOR UND KÜHLVERFAHREN DAFÜR MOTEUR À TURBOSOUFFLANTE À ENGRENAGE ET SON PROCÉDÉ DE REFROIDISSEMENT

(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

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Priority:

15.03.2013 US 201361800411 P

(43)	Date of publication of application:
	20.01.2016 Bulletin 2016/03

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

(72)	Inventors:
	SCHWARZ, Frederick, M. Glastonbury, CT 06033 (US) PICKFORD, Simon Amston, CT 06231 (US)

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

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References cited: :

US-A- 5 269 135
US-A- 5 553 449
US-A1- 2008 112 798
US-A1- 2010 180 571
US-A1- 2012 171 018
US-A1- 2012 216 545

US-A- 5 553 449
US-A1- 2007 245 739
US-A1- 2009 301 057
US-A1- 2010 180 571
US-A1- 2012 216 545

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).