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1. (WO2012110184) COOLING SYSTEM FOR DRY TRANSFORMERS
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2012/110184    International Application No.:    PCT/EP2012/000209
Publication Date: 23.08.2012 International Filing Date: 18.01.2012
IPC:
H01F 27/08 (2006.01), H01F 27/28 (2006.01), H01F 27/32 (2006.01)
Applicants: ABB TECHNOLOGY AG [CH/CH]; Affolternstr. 44 CH-8050 Zürich (CH) (For All Designated States Except US).
BOCKHOLT, Marcos [DE/DE]; (DE) (For US Only).
CORNELIUS, Frank [DE/DE]; (DE) (For US Only).
TEPPER, Jens [DE/DE]; (DE) (For US Only).
ESENLIK, Burak [TR/DE]; (DE) (For US Only).
PATEL, Bhavesch [IN/DE]; (DE) (For US Only).
WEBER, Benjamin [DE/DE]; (DE) (For US Only).
IORDANIDIS, Arthouros [GR/CH]; (CH) (For US Only).
SMAJIC, Jasmin [BA/CH]; (CH) (For US Only).
STEINMETZ, Thorsten [DE/CH]; (CH) (For US Only).
GALLETTI, Bernardo [IT/CH]; (CH) (For US Only)
Inventors: BOCKHOLT, Marcos; (DE).
CORNELIUS, Frank; (DE).
TEPPER, Jens; (DE).
ESENLIK, Burak; (DE).
PATEL, Bhavesch; (DE).
WEBER, Benjamin; (DE).
IORDANIDIS, Arthouros; (CH).
SMAJIC, Jasmin; (CH).
STEINMETZ, Thorsten; (CH).
GALLETTI, Bernardo; (CH)
Agent: PARTNER, Lothar; ABB AG Gf-ip Wallstadter Str. 59 68526 Ladenburg (DE)
Priority Data:
11001245.7 16.02.2011 EP
Title (EN) COOLING SYSTEM FOR DRY TRANSFORMERS
(FR) SYSTÈME DE REFROIDISSEMENT POUR TRANSFORMATEURS À SEC
Abstract: front page image
(EN)The invention is related to a dry transformer (40), comprising a transformer core (10) with at least two parallel limbs (12, 14, 16, 58, 60, 62) and belonging upper (26, 28, 30, 42, 44, 46) and lower (20, 22, 24) yokes and at least two hollow cylindrical coils (32, 52, 54, 56, 112, 114), each arranged around a limb (12, 14, 16, 58, 60, 62). A cooling system comprising at least one wall-like diaphragm (74, 90, 102) in-between neighboured coils (52, 54, 56; 112, 114) is foreseen which is in parallel to the orientation of the limbs (12, 14, 16, 58, 60, 62).
(FR)L'invention concerne un transformateur à sec (40) comprenant un noyau (10) doté d'au moins deux branches parallèles (12, 14, 16, 58, 60, 62) faisant partie de culasses supérieure (26, 28, 30, 42, 44, 46) et inférieure (20, 22, 24) et au moins deux enroulements cylindriques creux (32, 52, 54, 56, 112, 114), chacun d'eux étant disposé autour d'une branche (12, 14, 16, 58, 60, 62). Un système de refroidissement comprenant au moins une membrane de type paroi (74, 90, 102) disposée entre les enroulements voisins (52, 54, 56; 112, 114) parallèlement à l'orientation des branches (12, 14, 16, 58, 60, 62) est prévu.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, 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 (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (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, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)