Patent ID: 8614527

Claim:
A motor comprising: a motor main body; and a winding switching unit configured to switch windings of said motor main body; said motor main body including: a motor housing that a first coolant channel is formed inside; and a stator having said windings and fixed to an inner surface of said motor housing, said winding switching unit including: a winding switching housing that a second coolant channel is formed inside and being disposed on an outer surface of said motor housing; and heat-generating components disposed at an outer surface of said winding switching housing and used to switch said windings, wherein: one end of said first coolant channel is disposed on an outer surface of said motor housing, the outer surface facing an exterior of said motor; one end of said second coolant channel is disposed on an outer surface of said winding switching housing, the outer surface facing an exterior of said motor; and the other end of said first coolant channel and the other end of said second coolant channel are connected to each other.