EP 3475011 B1 20220330 - TURBOMACHINE BLADE COOLING CIRCUIT
Title (en)
TURBOMACHINE BLADE COOLING CIRCUIT
Title (de)
KÜHLKREISLAUF EINER TURBOMASCHINENSCHAUFEL
Title (fr)
CIRCUIT DE REFROIDISSEMENT D'UNE AUBE DE TURBOMACHINE
Publication
Application
Priority
- FR 1656042 A 20160628
- FR 2017051438 W 20170607
Abstract (en)
[origin: WO2018002466A1] The invention relates to a core (18) intended for the production of a turbomachine blade by means of lost-wax moulding, said core (18) comprising a convex outer first face (20) and a concave outer second face (21), characterised in that the first and second faces (20, 21) comprise a plurality of recesses (24a, 24b), each recess (24a, 24b) comprising a spherical portion (25).
IPC 8 full level
B22C 9/10 (2006.01); B22C 9/04 (2006.01); B22C 9/24 (2006.01); F01D 5/18 (2006.01)
CPC (source: EP US)
B22C 9/04 (2013.01 - EP US); B22C 9/10 (2013.01 - EP US); B22C 9/24 (2013.01 - EP US); F01D 5/187 (2013.01 - EP US); F05D 2250/241 (2013.01 - EP US)
Designated contracting state (EPC)
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
DOCDB simple family (publication)
FR 3052990 A1 20171229; FR 3052990 B1 20200703; EP 3475011 A1 20190501; EP 3475011 B1 20220330; US 10682687 B2 20200616; US 2019240725 A1 20190808; WO 2018002466 A1 20180104
DOCDB simple family (application)
FR 1656042 A 20160628; EP 17735190 A 20170607; FR 2017051438 W 20170607; US 201716314341 A 20170607