Brushless dc ring motor cooling system

H - Electricity – 02 – K

Patent

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Details

H02K 1/06 (2006.01) B60K 11/04 (2006.01) B60K 11/06 (2006.01) F01P 7/04 (2006.01) F04D 25/06 (2006.01) F04D 29/58 (2006.01) H02K 5/00 (2006.01) H02K 7/14 (2006.01) H02K 11/00 (2006.01) H02P 13/08 (2006.01) F01P 5/04 (2006.01) F01P 11/10 (2006.01)

Patent

CA 2404768

A cooling system for a vehicle includes a shroud attachable to a fixed portion of the vehicle. A stator assembly (23) for a brushless DC ring motor is attached to at least one mounting support of the shroud (16). A cooling fan (14) is piloted on the stator assembly, and includes a ring (27) supporting a plurality of fan blades (26) for sweeping an area inside the shroud. A rotor assembly (25) for the brushless DC ring motor is attached to the ring of the cooling fan. The rotor assembly confronts the stator assembly around an outer diameter of the stator assembly. The cooling system is controlled by an electronic controller to rotate the cooling fan to provide appropriate cooling for the vehicle.

Système de refroidissement pour véhicule comprenant une chemise pouvant être accouplée à une partie fixe du véhicule. Un ensemble stator de moteur annulaire à courant continu sans balais est fixé à au moins un support de montage de la chemise. Un ventilateur de refroidissement est piloté sur l'ensemble stator et comprend un anneau supportant une pluralité d'aubes de ventilateur servant à balayer une zone située à l'intérieur de la chemise. Un ensemble rotor du moteur annulaire à courant continu sans balai est fixé à l'anneau du ventilateur de refroidissement. Cet ensemble rotor fait face à l'ensemble stator autour d'un diamètre extérieur de cet ensemble stator. Le système de refroidissement est commandé par une unité de commande électronique afin de mettre en rotation le ventilateur de refroidissement, ce qui permet de refroidir le véhicule de façon appropriée.

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