The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 15, 2013
Filed:
Oct. 07, 2008
Audun Grynning, Stabekk, NO;
Stein Vegar Larsen, Lier, NO;
Geir Inge Olsen, Oslo, NO;
Aker Subsea AS, Lysaker, NO;
Abstract
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.