Patent · US Active

Device for measuring the activity of a liquid in a complex medium and associated method

US9316572B2 · kind B2 · utility

4Cited by
29References
10Claims
0Family size

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Key dates

Filing dateNov 4, 2010
Grant dateApr 19, 2016
Priority date
Expiry dateJul 20, 2032

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N2203/0085
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A device for measuring the activity of a liquid in a complex medium and an associated method, the device comprising a sealed enclosure in which the complex medium is intended to be placed and means for maintaining this enclosure at a constant temperature T, characterized in that it comprises: a means (14) for modifying the total volume of the enclosure; a pressure sensor (22) for measuring the total pressure in the enclosure; and means (24) for calculating the activity of the liquid in the complex medium from the temperature T, from the total volume of the enclosure and from the total pressure in the enclosure.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.