Patent · US Active

Ultrasonic transducer for non-invasive measurement

US11826781B2 · kind B2 · utility

0Cited by

5References

9Claims

0Family size

Assignee

ABB Schweiz AG · CH

Inventors

Frank Kassubek · Rheinfelden (Baden), DE
Miklos Lenner · Adetswil, CH
Stefano Marano · Zürich, CH
Gerrit Held · Oberrohrdorf, CH

Key dates

Filing date	Sep 10, 2020
Grant date	Nov 28, 2023
Priority date	—
Expiry date	Dec 10, 2041

Classification

Technology area (CPC G)Physics
CPC primaryG01N2291/0427
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

An ultrasonic Lamb wave transducer for non-invasive measurement and for emitting and/or receiving an ultrasonic Lamb wave pulse, an emission and a reception of the ultrasonic Lamb wave having an emission direction and a reception direction, respectively, the ultrasonic Lamb wave pulse being defined by at least one parameter, includes: at least one piezocomposite actuator for controlling the emission direction of the ultrasonic Lamb wave by emitting acoustic radiation at frequencies that are appropriate for generating ultrasonic Lamb waves.

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