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:
Nov. 04, 2025
Filed:
Apr. 26, 2019
Fsubsea As, Oslo, NO;
Alexander Fuglesang, Oslo, NO;
Tommy Westberg, Torsby, SE;
FSUBSEA AS, Oslo, NO;
Abstract
Pressure booster () for boosting the pressure of petroleum fluids, produced water or seawater, comprising a pressure booster () with a motor (), a rotatable motor shaft () and a rotatable pump or compressor shaft () where the pressure booster in the form of a centrifugal pump () or compressor is arranged. The pressure booster further comprises: a hydraulic variable speed drive () arranged between the motor and the pressure booster, the hydraulic variable speed drive comprising an impeller () and a turbine (), wherein the impeller of the hydraulic variable speed drive is arranged on the motor shaft and the turbine of the hydraulic variable speed drive is arranged on the pump or compressor shaft, a common driver side fluid () for cooling, lubricating, flushing and powering of the hydraulic variable speed drive, and cooling, lubricating and flushing of the motor and bearings, circulated by one of an impeller () on the motor shaft, a pump and a hydraulic power unit, a control system () for controlling the coupling of the motor shaft to the pump or compressor shaft by the hydraulic variable speed drive, wherein the motor shaft drives the pump or compressor shaft via the hydraulic variable speed drive.