Patent ID: 6891290

Claim:
A fully enclosed type motor with outer fans, comprising: a stator core; a rotor core disposed on an inner peripheral side of the stator core; a first bearing provided at one end of the stator core via a bracket; a second bearing provided at the other end of the stator core via a housing that is attached to the bracket by means of a fixing member; a rotor shaft to which the rotor core is attached, the rotor shaft being rotatably supported by the first and second bearings; a ventilation passage formed in an outer peripheral part of the stator core; an external heat exchanger; first and second blades provided on the rotor shaft; an air passage including the first blades, an opening formed in the bracket, and a cooling hole formed in the outer peripheral part of the stator core; and an internal circulation air passage including the second blades and the external heat exchanger.