G - Physics – 01 – N
Patent
G - Physics
01
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G01N 15/02 (2006.01) G01N 15/06 (2006.01) G01N 29/032 (2006.01) G01N 29/40 (2006.01) G01N 29/44 (2006.01) G01N 29/52 (2006.01)
Patent
CA 2202323
Method and equipment for the detection and identification of particles in a suspension with the aid of acoustic signals, directed at at least one measurement volume within the suspension, via reception of acoustic reflection signals, conversion of the acoustic reflection signals into electrical reflection signals, counting the number of electrical reflection signals which have an amplitude in excess of a predetermined value and converting the count into numbers of particles which are larger than a certain size, at least one curve being composed on the basis of a cumulative count of the number of reflection signals which have an amplitude in excess of a specific value as a function of the amplitude and the at least one curve being compared with predetermined standard cumulative count curves and material properties, particle concentration, particle size distribution and/or particle characteristics, such as particle shape, particle size and standard deviation thereof, are deduced from the comparison.
de Kroon Mathilde Gertrudis Maria
Faber Gerard
Vos Hugo Cornelis Lucas
Mccarthy Tetrault Llp
Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk On
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