Patent · US Expired

Cup-shaped ultrasonic transducer for a flowmeter

US7614309B2 · kind B2 · utility

6Cited by

11References

11Claims

0Family size

Assignee

Endress+Hauser Flowtec AG · CH

Inventors

Alfred Rieder · Landshut, DE
Achim Wiest · Weil am Rhein, DE
Torsten Strunz · London, GB
Michal Bezdek · Aesch, CH

Key dates

Filing date	Nov 26, 2004
Grant date	Nov 10, 2009
Priority date	—
Expiry date	Nov 26, 2024

Classification

Technology area (CPC G)Physics
CPC primaryG01F1/662
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

In order to be able to couple as great a fraction as possible of ultrasonic measuring signals into a medium to be measured, an ultrasonic sensor is provided with a cup-shape and includes a housing and an oscillatable unit for producing the ultrasonic signals. The oscillatable unit is composed of a plurality of components and is so embodied that it has a node plane, which is oriented essentially perpendicularly to the radiating or receiving direction of the ultrasonic measuring signals. At least a portion of the outer surface of the oscillatable unit is connected with the housing in the region of the node plane of the oscillatable unit.

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