METHOD OF VARYING AN ANNULAR FAN EXIT AREA OF A GAS TURBINE ENGINE

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EP 3 495 650 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:
	14.04.2021 Bulletin 2021/15

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

(21)	Application number: 18215689.3

(22)	Date of filing: 11.10.2007

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International Patent Classification (IPC):

F02K 1/00^(2006.01)

F02K 1/12^(2006.01)

(54)	METHOD OF VARYING AN ANNULAR FAN EXIT AREA OF A GAS TURBINE ENGINE VERFAHREN ZUM VERSTELLEN DER RINGFÖRMIGEN FAN-AUSTRITTSFLÄCHE EINES GASTURBINENTRIEBWERKS PROCÉDÉ POUR VARIER LA SECTION ANNULAIRE DE SORTIE DE SOUFFLANTE D'UN MOTEUR DE TURBINE À GAZ

(84)	Designated Contracting States:
	DE GB

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Priority:

17.10.2006 US 58221906

(43)	Date of publication of application:
	12.06.2019 Bulletin 2019/24

(62)	Application number of the earlier application in accordance with Art. 76 EPC:
	07254045.3 / 1916405

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

(72)	Inventors:
	WINTER, Michael New Haven, CT 06515 (US) HANSON, Russell B. Jupiter, FL 33478 (US)

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

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References cited: :

WO-A1-2008/045050
WO-A1-2008/045082
US-A1- 2005 126 174

WO-A1-2008/045062
US-A- 6 067 793
US-A1- 2005 151 012

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).