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1. (WO2018002466) TURBOMACHINE BLADE COOLING CIRCUIT
Latest bibliographic data on file with the International Bureau    Submit observation

Pub. No.: WO/2018/002466 International Application No.: PCT/FR2017/051438
Publication Date: 04.01.2018 International Filing Date: 07.06.2017
IPC:
B22C 9/10 (2006.01) ,F01D 5/18 (2006.01)
Applicants: SAFRAN AIRCRAFT ENGINES[FR/FR]; 2 boulevard du Général Martial Valin 75015 PARIS, FR
Inventors: GUERARD, Coralie, Cinthia; FR
HERB, Vincent, Marc; FR
NI, Jun; FR
TAMI LIZUZU, Joseph, Toussaint; FR
VOLLEBREGT, Matthieu, Jean, Luc; FR
Agent: BARBE, Laurent; FR
DELAHAYE, Jean-Baptiste; FR
GAUER, Pierre; FR
Priority Data:
165604228.06.2016FR
Title (EN) TURBOMACHINE BLADE COOLING CIRCUIT
(FR) CIRCUIT DE REFROIDISSEMENT D'UNE AUBE DE TURBOMACHINE
Abstract: front page image
(EN) 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).
(FR) Noyau (18) destiné à la fabrication d'une aube de turbomachine par moulage à cire perdue, ce noyau (18) comprenant une première face (20) externe incurvée convexe et une deuxième face (21) externe incurvée concave, caractérisé en ce que les première et deuxième faces (20, 21) comprennent une pluralité d'enfoncements (24a, 24b), chaque enfoncement (24a, 24b) comportant une portion (25) sphérique.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: French (FR)
Filing Language: French (FR)