Patent ID: 7215051

Claim:
A single-phase split-capacitor submersible motor particularly for submersed pumps, comprising: a submersible housing; first and second end bells closing respective ends of the housing, the housing and the first and second end bells defining a stator chamber; a stator winding pack disposed in the stator chamber, the stator winding pack including a main field winding and an auxiliary winding; and a permanently connected annular film capacitor coupled in series with the auxiliary winding, the capacitor located in the stator chamber axially disposed between the stator winding pack and one of the first and second end bells; wherein said annular film capacitor comprises longitudinally elongated plates wound around a tubular support and contained in a resin-filled tubular element that is shaped as a box; wherein said tubular element shaped as a box comprises an internal tubular wall which is provided with external longitudinal slots for permitting passage of power supply wires to the stator winding pack; and wherein said internal tubular wall is provided with an internal longitudinal slot for permitting passage of connecting wires to plates of the capacitor.