RECIRCULATION SEAL FOR USE IN A GAS TURBINE ENGINE

(19)

(11)

EP 3 052 788 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:
	07.04.2021 Bulletin 2021/14

(45)	Mention of the grant of the patent:
	17.02.2021 Bulletin 2021/07

(21)	Application number: 14868665.2

(22)	Date of filing: 19.09.2014

(51)

International Patent Classification (IPC):

F02C 7/28^(2006.01)
F01D 5/02^(2006.01)
F16J 15/04^(2006.01)

F01D 11/00^(2006.01)
F02C 7/04^(2006.01)

(86)	International application number:
	PCT/US2014/056552

(87)	International publication number:
	WO 2015/084460 (11.06.2015 Gazette 2015/23)

(54)	RECIRCULATION SEAL FOR USE IN A GAS TURBINE ENGINE REZIRKULATIONSDICHTUNG ZUR VERWENDUNG IN EINEM GASTURBINENMOTOR JOINT D'ÉTANCHÉITÉ DE RECIRCULATION DESTINÉ À ÊTRE UTILISÉ DANS UNE 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:

02.10.2013 US 201361885767 P

(43)	Date of publication of application:
	10.08.2016 Bulletin 2016/32

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

(72)	Inventors:
	ROBERTSON, Thomas J. Glastonbury, CT 06033 (US) MCPHAIL, James J. New London, CT 06320 (US)

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

(56)

References cited: :

EP-A2- 2 028 375
EP-A2- 2 559 860
US-A- 5 104 286
US-A1- 2007 154 305
US-B1- 6 447 250

EP-A2- 2 075 436
GB-A- 2 464 960
US-A- 6 161 839
US-A1- 2010 080 692
US-B2- 7 530 233

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).