SUBMERSIBLE NON-CANNED MOTOR

摘要

An electric motor having a relatively long shaft 15 includes a journal portion 48 formed over a certain axial length of the rotor surface 22. A plurality of bearing pieces 54 are circumferentially disposed in the inner surface of the stator core 2 at slots 52 in the core for receiving the stator coils 7, the bearing pieces 54 forming an intermediate bearing 49 to bear the journal portion 48 of the rotor during the time it rotates at transitional speed. IMAGE