Global Patent Index - EP 0910885 A1

EP 0910885 A1 19990428 - ROTARY ELECTRIC MACHINE WITH AXIAL COOLING

Title (en)

ROTARY ELECTRIC MACHINE WITH AXIAL COOLING

Title (de)

ELEKTRISCHE DREHMASCHINE MIT AXIALKÜHLUNG

Title (fr)

GENERATEUR ELECTRIQUE ROTATIF AVEC REFROIDISSEMENT AXIAL

Publication

EP 0910885 A1 19990428 (EN)

Application

EP 97925369 A 19970527

Priority

  • SE 9700893 W 19970527
  • SE 9602079 A 19960529
  • SE 9602087 A 19960529
  • SE 9700350 A 19970203

Abstract (en)

[origin: WO9745914A1] A rotating electric machine, comprising a stator (1) wound with high-voltage cable and provided with stator teeth (4) extending radially inwards in a tooth sector (18) from an outer yoke portion (22), wherein at least one stator tooth (4) is provided with an axially-running cooling duct connected to a cooling circuit (29) in which coolant (31) is arranged to circulate, and a method of cooling a rotating electric machine provided with high-voltage stator windings, where the stator winding is cooled by a coolant (31) being caused to circulate in a cooling circuit (29) through cooling tubes (25) running axially through the stator (1).

IPC 1-7

H02K 1/20; H02K 3/40; H02K 15/08

IPC 8 full level

H02K 9/14 (2006.01); H01F 27/28 (2006.01); H02K 1/20 (2006.01); H02K 3/28 (2006.01); H02K 3/40 (2006.01); H02K 3/48 (2006.01); H02K 5/02 (2006.01); H02K 9/08 (2006.01); H02K 15/08 (2006.01)

CPC (source: EP)

H01F 27/288 (2013.01); H02K 1/20 (2013.01); H02K 3/28 (2013.01); H02K 3/48 (2013.01); H02K 3/40 (2013.01); H02K 2203/15 (2013.01)

Citation (search report)

See references of WO 9745914A1

Designated contracting state (EPC)

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

DOCDB simple family (publication)

WO 9745914 A1 19971204; AU 3052697 A 19980105; BR 9709606 A 20000111; CA 2255737 A1 19971204; CN 1220036 A 19990616; EP 0910885 A1 19990428; JP 2000511393 A 20000829; PL 330226 A1 19990510; RU 2193813 C2 20021127

DOCDB simple family (application)

SE 9700893 W 19970527; AU 3052697 A 19970527; BR 9709606 A 19970527; CA 2255737 A 19970527; CN 97195041 A 19970527; EP 97925369 A 19970527; JP 54220897 A 19970527; PL 33022697 A 19970527; RU 98123301 A 19970527