An apparatus adapted to be connected to a power source, the apparatus for driving a rotatable component. A motor has a stationary assembly and a rotatable assembly in magnetic coupling relation to the stationary assembly, the rotatable assembly in driving relation to the rotatable component, the stationary...http://www.google.fr/patents/US5631509?utm_source=gb-gplus-shareBrevet US5631509 - Motor having thermostatically controlled or limited space heater
Motor having thermostatically controlled or limited space heater
