Patent · US Active

Method and device for acoustic analysis of microporosities in a material such as concrete using multiple cMUTs transducers incorporated in the material

US9074985B2 · kind B2 · utility

7Cited by

20References

15Claims

0Family size

Assignees

COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES · FR
LABORATOIRE CENTRAL DES PONTS ET CHAUSSEES · FR
Ecole Nationale des Ponts et Chaussees · FR

Inventors

Berengere Lebental · Levallois-Perret, FR
Elisabeth Delevoye · Grenoble, FR
Anne Ghis · St-Estève, FR

Key dates

Filing date	Nov 20, 2009
Grant date	Jul 7, 2015
Priority date	—
Expiry date	Sep 7, 2032

Classification

Technology area (CPC G)Physics
CPC primaryG01N2291/044
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

The invention concerns a device for analysing the microporosities of a given material including at least two phases, one of which is a fluid phase, including: multiple sensors (100) incorporated in the given material (M), where each of the sensors includes one or more cMUT acoustic and capacitive transducers.

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