Global Patent Index - EP 0993007 B1

EP 0993007 B1 20030604 - Transformer device with cooling circuit

Title (en)

Transformer device with cooling circuit

Title (de)

Transformatorenanordnung mit Kühlkreislauf

Title (fr)

Dispositif de transformateur avec circuit de refroidissement

Publication

EP 0993007 B1 20030604 (DE)

Application

EP 99250348 A 19990930

Priority

DE 19847267 A 19981007

Abstract (en)

[origin: EP0993007A1] The apparatus includes at least one transformer housed in a case, a cooling device and a circulating pump. A coolant is circulated through the case, the pump and the cooling device. The transformer is arranged as a layer winding in which at least one primary winding (7) and at least one secondary winding (9) are arranged concentrically in layers wound around a core. Cooling channels (11) are coaxially arranged between the layers.

IPC 1-7

H01F 27/12; H01F 27/28

IPC 8 full level

H01F 27/12 (2006.01); H01F 27/28 (2006.01)

CPC (source: EP)

H01F 27/12 (2013.01); H01F 27/2876 (2013.01)

Citation (examination)

US 3663910 A 19720516 - GRUBB ROBERT L

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

EP 0993007 A1 20000412; EP 0993007 B1 20030604; AT E242539 T1 20030615; DE 19847267 A1 20000413; DE 59905812 D1 20030710

DOCDB simple family (application)

EP 99250348 A 19990930; AT 99250348 T 19990930; DE 19847267 A 19981007; DE 59905812 T 19990930