Patent ID: 6780037
Filing Date: 2004-08-24
Classification: H01R,Y10S

Abstract:
A motor assembly for a well pump, comprising:a motor; an electrical connector assembly on the motor having an insulator with a passage; an electrical conductor having an insulation layer on its exterior and extending from the motor into the passage of the insulator; the passage having an inner diameter that is larger than an outer diameter of the insulation layer, defining an annular cavity between the insulation layer and the inner diameter of the passage; an electrical connector joined to the electrical conductor within the passage; and an elastomeric debris seal around the insulation layer, the debris seal having a final size in which it seals around the insulation layer and blocks entry of debris into the annular cavity, the debris seal being of a material that swells upon contact with a dielectric fluid and having an initial size in which it does not seal the annular cavity to enable the dielectric fluid to flow into the annular cavity prior to the debris seal reaching the final size.