MOTOR AND PUMP BARRIER FLUIDS PRESSURE REGULATION SYSTEM IN A SUBSEA MOTOR AND PUMP MODULE
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United States of America Patent
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N/A
Issued Date -
May 30, 2013
app pub date -
Jun 22, 2010
filing date -
Jun 22, 2010
priority date (Note) -
Abandoned
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Abstract
A motor and pump barrier fluids pressure regulation system for a subsea motor and pump module comprising a motor and a pump is disclosed. The regulation system comprises a motor barrier fluid circuit hydraulically separating the motor from the pump, and a pump barrier fluid circuit hydraulically separating an internal structure of the pump from a pumped medium, wherein the fluid flow and pressure in each of the motor barrier fluid circuit and the pump barrier fluid circuit are controlled by pressure controlled on/off valves arranged in each circuit, the pressure controlled on/off valves being individually controllable in response to a detected difference in pressure between the pumped medium, on a suction side of the pump or on a discharge side of the pump, and the fluid in the motor barrier fluid circuit and the pump barrier fluid circuit.
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