Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Lars Ove Larsson0
Lennart Hagg0
Mikael Kleman0
Per Holmberg0
Date of Patent
March 11, 2008
0Patent Application Number
113587730
Date Filed
February 21, 2006
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A method and system for determining a product level in a tank which determine a first level measure using emission of electromagnetic waves into the tank, detect a differential pressure, determine an observed density based on the detected differential pressure and the first level measure, and determine a second level measure based on the observed density and a currently measured differential pressure. The present invention is based on the realization that a level measurement based on differential pressure and an observed density can provide a valuable redundant level measurement, which can provide increased reliability and enable detection of errors.
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