GAS TURBINE ENGINE AIRFOIL TIP COOLING ARRANGEMENT WITH PURGE PARTITION

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EP 3 623 577 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: 19196782.7

(22)	Date of filing: 11.09.2019

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International Patent Classification (IPC):

F01D 5/18^(2006.01)
F01D 5/00^(2006.01)

F01D 5/20^(2006.01)
B23P 6/00^(2006.01)

(54)	GAS TURBINE ENGINE AIRFOIL TIP COOLING ARRANGEMENT WITH PURGE PARTITION TURBINENSCHAUFELSPITZENKÜHLANORDNUNG MIT SPÜLTEILUNG AGENCEMENT DE REFROIDISSEMENT D'EXTRÉMITÉ D'AUBE DE TURBINE AVEC SÉPARATION DE PURGE

(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:

12.09.2018 US 201816129070

(43)	Date of publication of application:
	18.03.2020 Bulletin 2020/12

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

(72)	Inventors:
	MONGILLO, Dominic J. West Hartford, CT Connecticut 06107 (US) JENNINGS, Timothy J. New Britain, CT Connecticut 06051 (US)

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

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References cited: :

EP-A1- 1 557 533
EP-A1- 2 746 536
US-A1- 2017 370 232

EP-A1- 2 426 316
EP-A2- 1 079 072

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).