Aker Subsea As

Stein Vegar Larsen

Geir Inge Olsen

Audun Grynning

This invention relates to a pump system, especially for boosting the flow rate of a fluid through a pipe (), comprising a pump positioned in a pump chamber () for pumping at a chosen rate, and a motor driving said pump, the motor being positioned in a chamber () being provided with a pressurized fluid, the pressure of which being higher than the pressure in the pump chamber, the motor and the pump chambers being separated by a seal (), the seal allowing a leakage of said pressurized fluid between them, wherein the pressurized fluid is acceptable to the pump environment and the system comprises a discharge branch line () coupled to the pipe() and positioned downstream from said pump, the discharge branch line having an outlet into the environment.

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Lier, Norway

Stein Vegar Larsen