Endress + Hauser Flowtec Ag

Endress+hauser Conducta Gesellschaft Fur Mess- Und Regeltechnik Mbh+co. Kg

Andreas Berger

Achim Wiest

Pierre Ueberschlag

Michal Bezdek

Oliver Brumberg

Oliver Berberig

Frank Wandeler

Sascha Grunwald

Patrick Oudoire

Klaus Bussinger

Torsten Strunz

Michael Bezdek

Thomas Froehlich

Harald Stocker

Quirin Müller

Alexander Murray

Beat Kissling

Quirin Muller

Thomas Fröhlich

Gotthard Liehr

Aurele Fleury

Finn Bloch Jensen

Ralf Sonderkamp

Saul Jacobson

Auréle Fleury

Arno Lang

Quirin MÜLLER

An ultrasonic transducer arrangement for a clamp-on ultrasonic, flow measuring point includes a plurality of ultrasonic transducers, each adapted to radiate ultrasonic signals into the measuring tube and/or to receive ultrasonic signals emerging from the measuring tube, wherein a first group of first ultrasonic transducers is arranged on a first side of the measuring tube, and a second group of second ultrasonic transducer is arranged on a second side of the measuring tube opposite the first side, wherein at least one first/second ultrasonic transducer is adapted to receive ultrasonic signals of at least one second/first ultrasonic transducer, respectively, wherein adjoining ultrasonic transducers of the first group have, in each case, first separations from one another, and wherein adjoining ultrasonic transducers of the second group have, in each case, second separations from one another.

Clamp-on ultrasonic transducer arrangement independent of measuring tube diameter at a measuring point

The present disclosure relates to an ultrasonic transducer arrangement of a clamp-on ultrasonic, flow measuring point having a plurality of clamp-on ultrasonic transducers, wherein the arrangement is configured to be applied on measuring tubes of various diameters, without necessitating new orienting of the ultrasonic transducers of the ultrasonic transducer arrangement.

Clamp-on ultrasonic transducer arrangement independent of measuring tube diameter at a measuring point and method for commissioning the same

A clamp-on ultrasonic flowmeter includes a measuring tube, a pair of ultrasonic contact transducers, and an electronic measuring/operating circuit for operating the transducers. Each transducer includes a transducer element for generating and detecting ultrasonic signals and a coupling element. The transducer element is located on one side of the coupling element facing away from the measuring tube, and is designed to be acoustically coupled to the measuring tube via another side of the coupling element facing the measuring tube, and designed to transmit ultrasonic signals between the transducer element and measuring tube. The ultrasonic flowmeter comprises an adjusting device for at least one transducer for adjusting the transducer. The adjusting device is arranged and configured to modify at least one angle of the signal path with respect to the coupling face or a signal path length, wherein the adjusting device has at least two degrees of freedom.

Clamp-on ultrasonic flowmeter and method for adjusting transducer elements using an adjusting device having at least two degrees of freedom

The invention relates to an ultrasonic transducer comprising an acoustic transformer, wherein the acoustic transformer has a transformer body having a hollow space, and there lies between the hollow space and the medium a membrane, whose center oscillates freely. Furthermore, the invention relates to methods for manufacturing such an acoustic transformer.

Ultrasonic transducer and method for manufacturing an ultrasonic transducer

Ultrasonic transducer () comprising a coupling element () and a piezo element (), wherein a metal disk () is arranged between the coupling element () and the piezo element (), wherein the metal disk () is connected with the piezo element () or with the coupling element () by means of an adhesive layer (or), characterized in that the adhesive layer (or) is producible, at least in certain regions, by means of a photochemically curable adhesive.

Ultrasonic transducer and ultrasonic flow measuring device

A measuring device for measuring flow and/or composition of a measured medium in a pipe or tube by registering an ultrasonic measurement signal includes a measurement transmitter and a connection adapter for mechanical securement of the measurement transmitter on the pipe or tube, in which the connection adapter has a longitudinal axis and the measuring device includes a measuring transducer element and at least one metal hose, wherein at least one signal transmission cable is arranged in the metal hose for signal transmission between the measurement transmitter and a sensor element, and wherein the metal hose mechanically connects the measuring transducer element with the connection adapter.

Measuring device for determining a flow and/or composition of a measuring medium in a pipe

The invention relates to an ultrasonic transducer with a housing, in which a transducer element for producing and detecting ultrasonic signals and an acoustic transformer are arranged, wherein the acoustic transformer is acoustically and mechanically coupled with the transducer element. The housing includes at least one housing body, which has at least one housing chamber with a housing wall, which housing wall at least partially surrounds the acoustic transformer, wherein the housing is acoustically and mechanically connected with a measuring tube wall or a container wall and wherein the acoustic transformer is connected or connectable mechanically with the housing via a lateral surface of the acoustic transformer by means of a first acoustic insulation, especially an annular first acoustic insulation.

Ultrasonic transducer for application in an ultrasonic, flow measuring device or in an ultrasonic, fill-level measuring device

An arrangement for transmitting and/or receiving an ultrasonic, wanted signal in a measured medium, comprising a vibration decoupling element for securing at least one ultrasonic transducer in a containment, characterized in that the vibration decoupling element has a platform for securing the vibration decoupling element to a sensor nozzle or to the containment and a second interface for securing an ultrasonic transducer. Between the second interface and the platform a vibration decoupling structural element is arranged, which structural element is embodied as a solid body, which has one or more interfaces with other elements of the vibration decoupling element, especially with the second interface for securing the ultrasonic transducer and/or the platform, and wherein the structural element () has an as much as possible spherical-, ellipsoidal-, toroidal- or polyhedral shape.

Arrangement for transmitting and/or receiving an ultrasonic, wanted signal and ultrasonic, flow measuring device

An apparatus for monitoring at least one physical or chemical process variable, comprising at least one sensor unit and an electronics unit for signal registration, evaluation and/or feeding, wherein the sensor unit is operated with alternating electrical current and/or communication between the electronics unit and the sensor unit occurs with alternating electrical current and/or alternating voltage. An explosion protection circuit with intrinsic safety, which includes a safety barrier, which has at least one unit for electrical current- and/or voltage limiting, is provided within the explosion protection circuit a unit for impedance matching, which unit for impedance matching includes at least one transformer.

Explosion protection circuit with impedance matching

The present disclosure relates to a method for manufacturing an ultrasonic transducer by exciting the sound wave via an electromechanical transducer disposed on a sensor body, determining a current propagation velocity of the sound wave on an exit surface of the sensor body, determining the difference between the current propagation velocity and the desired propagation velocity of the sound wave on the exit surface, determining difference between speed of sound in the sensor body and a desired speed of sound, removing material in the region of the exit surface of the sensor body, wherein the remaining material is dimensioned such that the current propagation speed of the sound wave on the exit surface of the sensor body, and/or the delay caused by the speed of sound in the sensor body, at least approximately agrees with the desired propagation speed of the sound wave on the exit surface.

Method for manufacturing a sound transducer for a field device of automation technology

An ultrasonic transducer comprising a coupling element and a piezo element, wherein a metal disk is arranged between the coupling element and the piezo element, wherein the metal disk is connected with the piezo element or with the coupling element by means of an adhesive layer, characterized in that the adhesive layer is producible, at least in certain regions, by means of a photochemically curable adhesive.

Disclosed is an ultrasonic transducer mounting assembly comprising an ultrasonic transducer element, a transducer housing inside which the ultrasonic transducer element is arranged, and an accommodation unit inside which the transducer housing is clamped in a clamping section. The disclosed assembly is characterized in that the clamping section comprises at least one bearing that has at least one rolling element, in particular at least one ball bearing that has at least one ball, for acoustically decoupling the transducer housing from the accommodation unit.

Ultrasonic transducer mounting assembly

A coupling element for an ultrasonic transducer, which comprises a first recess provided for the arrangement of a piezoelectric element and comprising a terminal base surface in which an ultrasound signal generated by the piezoelectric element can be fed into the coupling element. The coupling element comprising inside the first recess one or a plurality of stops, each of which comprises at least one stop surface which extends along a plane, the plane extending parallel to the base surface of the first recess, and there being defined between this plane and the base surface a space for accommodating material for an acoustic adaptation layer. The invention further concerns an ultrasonic transducer and an ultrasonic flow meter.

Coupling element, ultrasonic transducer and ultrasonic flow meter

The invention concerns an ultrasonic transducer, comprising a coupling element which has a first recess, the first recess being provided for the arrangement of a piezoelectric element which feeds an ultrasound signal into the coupling element, and there being disposed between the piezoelectric element and the coupling element an intermediate layer which comprises a metal disc, the metal disc comprising retaining elements (a) each with a first segment lying on the same plane as the metal disc and projecting radially from the perimeter of the metal disc and (b) each having a second segment which adjoins the first segment, projects from the plane of the metal plate and is connected to the first segment.

Ultrasonic transducer and ultrasonic flow meter

A measuring tube for a flow measuring device, wherein the measuring tube has a measuring tube axis A and a measuring tube wall. The measuring tube has a branch with a branch axis B and a wall of the branch, wherein the wall of the branch is arranged on the measuring tube wall, and the wall of the branch is connected with the measuring tube wall by a welded joint. In the transitional region between the wall of the branch and the measuring tube wall there is a specially embodied thickening of the material, which is either part of the wall of the branch or part of the measuring tube wall.

Growing community of inventors

Hasel-Glashutten, Germany

Andreas Berger