Hermetically sealed motor lead tube

Details Hermetically sealed motor lead tube Hermetically sealed motor lead tube

2008-09-10

2010-12-28

Kramer, Devon C (Department: 3746)

Pumps

Motor driven

Electric or magnetic motor

C310S087000

Reexamination Certificate

active

07857604

ABSTRACT:
An electrical submersible pump assembly has a motor cooperatively engaged with a pump for driving the pump and a motor lead extending to the motor for supplying power to the motor. The motor lead has an electrical conductor enclosed within a tube. The tube is sealed from an exterior environment of the motor and contains a dielectric fluid. The motor may be filled with a dielectric lubricant and the interior of the tube of the motor lead may be in fluid communication with the dielectric lubricant. Alternatively, the motor may filled with a dielectric lubricant and the dielectric fluid within the interior of the tube of the motor lead may be sealed from the dielectric lubricant.

REFERENCES:
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patent: 5269377 (1993-12-01), Martin
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patent: 7150325 (2006-12-01), Ireland et al.
patent: 7565932 (2009-07-01), Lawson
patent: 2005/0016735 (2005-01-01), Ireland et al.
patent: 2007/0046115 (2007-03-01), Tetzlaff et al.
patent: 2007/0235195 (2007-10-01), Lawson

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