EP 1205020 A4 20030827 - WATER COOLED STATOR WINDING OF AN ELECTRIC MOTOR
Title (en)
WATER COOLED STATOR WINDING OF AN ELECTRIC MOTOR
Title (de)
WASSERGEKÜHLTE STATORWICKLUNG EINES ELEKTROMOTORS
Title (fr)
ENROULEMENT STATORIQUE REFROIDI PAR EAU POUR MOTEUR ELECTRIQUE
Publication
Application
Priority
- US 0022327 W 20000815
- US 14912999 P 19990816
Abstract (en)
[origin: WO0113496A1] A cooling device for cooling a stator (200) of the type having windings (1), electrically insulated from each other including a cooling member (14, 17, 101, 102), thermally coupled to an external surface of the windings. The cooling member has at least one passage extending through the member to receive a coolant from an external source. Because the passage for receiving the coolant is insulated from the high voltage stator conductors, water having ions (e.g., fresh water) can be used as the coolant for cooling the stator. Allowing the use of fresh water offers tremendous advantages in settings where deionized water is not readily available and eliminates the cost of a water deionization system.
IPC 1-7
IPC 8 full level
H02K 1/20 (2006.01); H02K 3/04 (2006.01); H02K 3/24 (2006.01); H02K 3/47 (2006.01); H02K 9/19 (2006.01)
CPC (source: EP US)
H02K 1/20 (2013.01 - EP US); H02K 3/24 (2013.01 - EP); H02K 3/47 (2013.01 - EP); H02K 9/197 (2013.01 - EP US)
Citation (search report)
- [XA] GB 739896 A 19551102 - GEN ELECTRIC
- [X] US 3801843 A 19740402 - CORMAN J, et al
- [X] US 5731643 A 19980324 - AVAKIAN KEVIN M [US], et al
- [A] US 3049634 A 19620814 - HORSLEY WILLIAM D
- [A] US 3184624 A 19650518 - JOSEPH SOLOMON HENRY
- [A] US 3469126 A 19690923 - WIEDEMANN EUGEN
- [A] PATENT ABSTRACTS OF JAPAN vol. 1997, no. 06 30 June 1997 (1997-06-30)
- See references of WO 0113496A1
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
WO 0113496 A1 20010222; AU 6773300 A 20010313; EP 1205020 A1 20020515; EP 1205020 A4 20030827; JP 2003507994 A 20030225; JP 4188597 B2 20081126
DOCDB simple family (application)
US 0022327 W 20000815; AU 6773300 A 20000815; EP 00955543 A 20000815; JP 2001517484 A 20000815