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1. (WO2016055803) APPARATUS AND METHOD FOR DETERMINING A LEVEL OF A FLUID WITHIN A VESSEL

Pub. No.:    WO/2016/055803    International Application No.:    PCT/GB2015/052962
Publication Date: Fri Apr 15 01:59:59 CEST 2016 International Filing Date: Sat Oct 10 01:59:59 CEST 2015
IPC: G01F 23/288
G01F 23/292
Applicants: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
Inventors: JONES, Owen John Lloyd
O'DOHERTY, Francis
SAEVAREIDE, Tor Magnus
Title: APPARATUS AND METHOD FOR DETERMINING A LEVEL OF A FLUID WITHIN A VESSEL
Abstract:
An apparatus (10) and method for determining a level (24) of a fluid (22) within a vessel (20) are disclosed. The apparatus (10) comprises: a source unit (12) for emitting a beam (18) of radiation into the interior of the vessel(20), the source unit (12) comprising a source (14) of radiation and a collimator (16) for collimating radiation emitted by the source (14) to provide said beam(18), wherein said source unit (12) is adjustable to vary an angle (θ) of the beam (18) with respect to horizontal (34); at least one detector (26) for detecting radiation emitted by the source(14)and having passed through at least a portion of the interior of the vessel(20); and processing means for: recording data corresponding to an amount of radiation detected at said at least one detector (26) as a function of angle (θ) of the beam(18); and determining the level (24) of the fluid(22), based on a variation of said data with the angle (Θ) of the beam (18).