Patent ID: 8704416
Filing Date: 2014-04-22
Classification: F04B,F04D,F05D,H01B,H01R,H02K

Abstract:
1. An electric submersible pumping system, comprising: a pump; an electric motor coupled to the pump; a motor lead for connection to a power cable, the motor lead having a connector on a lower end; a motor housing receptacle to which the connector of the motor lead releasably attaches, the receptacle having a plurality of internal electrical contacts; a stator within the housing and having a plurality of slots; three magnet wires, each being threaded within various ones of the slots for each phase of the motor, each of the magnet wires having at least one insulation layer; each of the magnet wires having a lead portion protruding from the stator with an upper end configured as an electrical terminal that releasably attaches to one of the internal electrical contacts, each of the magnet wires being a continuous wire without splices from within the stator to the electrical terminal; and at least one tube formed of an insulation material surrounding but not bonded to the insulation layer on each of the motor leads, the at least one tube having a lower end at an upper end of the stator and an upper end at the electrical terminal.