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. 03, 2017
Filed:
May. 27, 2013
Fmc Kongsberg Subsea As, Kongsberg, NO;
Ole Vidar Jonsjord, Kongsberg, NO;
FMC Kongsberg Subsea AS, Kongsberg, NO;
Abstract
A method and an apparatus () for determining an estimate of a position of a hydraulic subsea actuator (), wherein the hydraulic subsea actuator () has a fluid port () fluidly connected to a fluid source (). The apparatus () comprises a hydraulic cylinder () connected in series between the fluid source () and the fluid port () of the hydraulic subsea actuator, and a movable piston () arranged in the second hydraulic cylinder (), a position determining device, arranged to determine a position of the movable piston (), and a signal processing device (), arranged to calculate the estimate of the position of the hydraulic subsea actuator based on the position of the movable piston.