Patent ID: 7782008

Claim:
A self-magnetizing motor, comprising: a stator having a main coil and a sub-coil; a rotor mounted in the stator and having a layer of magnetic material on an exterior surface thereof; a magnetizer to selectively magnetize the magnetic material on the rotor; and a relay that operates to apply power to the sub-coil for a first predetermined period of time during motor startup, and that also operates to apply power to the magnetizer for a second predetermined period of time, wherein the relay comprises: a first set of contacts which are closed during the first predetermined period of time such that power is applied to the sub-coil through the first set of contacts during the first predetermined period of time; and a second set of contacts which are closed during the second predetermined period of time such that power is applied to the magnetizer through the second set of contacts during the second predetermined period of time.