公开(公告)号：US11035708B2

公开(公告)日：2021-06-15

申请号：US16343110

申请日：2017-09-11

Applicant: Endress+Hauser Flowtec AG

Inventor： Achim Wiest ,  Sascha Grunwald

IPC: G01F1/66 ,  G01F1/00 ,  G01F15/00

Abstract: The present disclosure relates to a clamp-on ultrasonic sensor for an ultrasonic flow rate measuring device and to an ultrasonic flow rate measuring device comprising at least one clamp-on ultrasonic sensor according to the present disclosure. The clamp-on ultrasonic sensor is designed to generate at least one lamb wave mode in a measuring tube wall of a measuring tube of the ultrasonic flow rate measuring device. To ensure the use of the clamp-on ultrasonic sensor on different types of measuring tubes, the clamp-on ultrasonic sensor comprises a coupling element, which coupling element is adapted to a respective type of measuring tube.

公开(公告)号：US20160116316A1

公开(公告)日：2016-04-28

申请号：US14895391

申请日：2014-05-19

Applicant: ENDRESS+HAUSER FLOWTEC AG

Inventor： Beat Kissling ,  Quirin Muller ,  Sascha Grunwald ,  Fabian Steiner ,  Wolfgang Brobeil

IPC: G01F1/66

CPC classification number: G01F1/66 ,  G01F1/662 ,  G01F1/667

Abstract: An ultrasonic flow meter comprising: a measurement pipe, which has a measurement pipe wall, at least in some parts a basic shape having a rotationally symmetric or polygonal cross-section, and a straight measurement pipe axis; a transmitter for transmitting an acoustic signal on a first signal path; and a receiver for receiving the acoustic signal on the first signal path; The measurement pipe has a plurality of reflection surfaces, by which the acoustic signal on the first signal path is reflected multiple times, and wherein the reflection surfaces are integrally formed from the measurement pipe wall, the reflection surfaces for reflecting the acoustic signal being designed in such a way that one or more of the reflection surfaces at least partially protrude into the basic shape of the measurement pipe and one or more of the reflection surfaces project outward at least from the basic shape of the measurement pipe.

Abstract translation: 一种超声波流量计，包括：测量管，其具有至少部分具有旋转对称或多边形横截面的基本形状的测量管壁和直的测量管轴; 用于在第一信号路径上发送声信号的发射机; 以及接收器，用于在第一信号路径上接收声信号; 测量管具有多个反射面，通过该反射面，第一信号路径上的声信号被多次反射，并且其中反射面从测量管壁一体形成，反射表面用于反射设计的声信号 使得一个或多个反射表面至少部分地突出到测量管的基本形状中，并且一个或多个反射表面至少从测量管的基本形状向外突出。

公开(公告)号：US20240393154A1

公开(公告)日：2024-11-28

申请号：US18693586

申请日：2022-08-17

Applicant: Endress+Hauser Flowtec AG

Inventor： Oliver Berberig ,  Andreas Berger ,  Sascha Grunwald ,  Klaus Beringer ,  Rudolf Braun ,  Stefan Natterer ,  Michael Münch ,  Jens Rautenberg

IPC: G01F1/667 ,  G01F1/66 ,  G01F25/10

Abstract: A method for operating an ultrasonic measuring device, which includes: an arrangement of ultrasonic transducers for emitting and receiving ultrasonic signals along at least two signal paths through a fluid, wherein the arrangement is held by a holding apparatus having at least one wall, wherein sections of the signal paths run through at least one of the at least one wall, wherein signal path sections of at least two signal paths in the fluid are of different length; and an electronic measuring/operating circuit configured to perform the method of, in a first method step, comparing intensities of ultrasonic signals along signal paths having signal path sections of different length in the fluid and, in a second method step, determining a damping property of the fluid and an acoustic coupling property between the wall and the fluid therefrom.

公开(公告)号：US11982647B2

公开(公告)日：2024-05-14

申请号：US17414423

申请日：2019-12-10

Applicant: Endress+Hauser Flowtec AG

Inventor： Oliver Berberig ,  Jens Rautenberg ,  Beat Kissling ,  Sascha Grunwald ,  Rudolf Braun ,  Achim Stark ,  Klaus Beringer ,  Stefan Rüger ,  Theo Gerald Hofmann

IPC: G01N29/24 ,  G01F1/66 ,  G01F1/86 ,  G01N29/024 ,  G01N29/44

CPC classification number: G01N29/2437 ,  G01N29/4463 ,  G01N2291/02809 ,  G01N2291/02818 ,  G01N2291/0423 ,  G01N2291/0427

Abstract: An ultrasound instrument for detecting a measured value of a medium includes a measurement chamber having a chamber wall and a longitudinal axis; a pair of ultrasound transducers configured to transmit ultrasound signals along a signal path between ultrasound transducers of the pair through the measurement chamber and to receive ultrasound signals, wherein the signal path includes a signal reflection on a reflection surface, wherein the chamber wall in a region of the reflection surface opposite a first chamber side is configured to prevent a reflection of an ultrasound signal on a chamber outer surface of the chamber wall in the direction of the signal path, wherein the chamber wall has, in the region of the reflection surface, a maximum wall thickness which is at least a factor of 1.5 greater than a Rayleigh wavelength, associated with a central frequency, of the ultrasound signal in the chamber wall.

公开(公告)号：US11841254B2

公开(公告)日：2023-12-12

申请号：US17413334

申请日：2019-11-21

Applicant: Endress+Hauser Flowtec AG

Inventor： Sascha Grunwald ,  Oliver Brumberg ,  Alexander Murray ,  Andreas Berger ,  Achim Wiest

IPC: G01F1/66

CPC classification number: G01F1/662 ,  G01F1/666

Abstract: 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.

公开(公告)号：US09897471B2

公开(公告)日：2018-02-20

申请号：US14787543

申请日：2014-04-11

Applicant: Endress + Hauser Flowtec AG

Inventor： Achim Wiest ,  Andreas Berger ,  Sascha Grunwald

IPC: G01F1/66 ,  G01F15/00

CPC classification number: G01F1/662 ,  G01F15/006

Abstract: 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.

公开(公告)号：US09528866B2

公开(公告)日：2016-12-27

申请号：US14414813

申请日：2013-06-07

Applicant: Endress + Hauser Flowtec AG

Inventor： Achim Wiest ,  Sascha Grunwald ,  Oliver Brumberg ,  Thomas Frohlich ,  Oliver Berberig ,  Beat Kissling ,  Quirin Muller

IPC: G01F1/66

CPC classification number: G01F1/66 ,  G01F1/662 ,  G01F1/667

Abstract: An ultrasonic, flow measuring device, comprising a measuring tube having a straight measuring tube axis, a transmitter for sending an acoustic signal on a first signal path, a receiver for receiving the acoustic signal on the first signal path and a number of reflection surfaces, on which the acoustic signal is reflected at least once on the first signal path, wherein minimum separations of at least three subsections from the measuring tube axis lie in the range 0.4-0.6 r, wherein r is the inner radius of the measuring tube.

Abstract translation: 一种超声波流量测量装置，包括具有直的测量管轴的测量管，用于在第一信号路径上发送声学信号的发射器，用于在第一信号路径上接收声学信号的接收器和多个反射表面， 其中声信号在第一信号路径上反射至少一次，其中至少三个子部分与测量管轴的最小间隔在0.4-0.6r的范围内，其中r是测量管的内半径。

公开(公告)号：US11835372B2

公开(公告)日：2023-12-05

申请号：US17413266

申请日：2019-11-21

Applicant: Endress+Hauser Flowtec AG

Inventor： Sascha Grunwald ,  Oliver Brumberg ,  Alexander Murray ,  Andreas Berger ,  Achim Wiest

IPC: G01F1/66 ,  G01F1/667

CPC classification number: G01F1/667

Abstract: 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.

公开(公告)号：US20220091072A1

公开(公告)日：2022-03-24

申请号：US17414423

申请日：2019-12-10

Applicant: Endress+Hauser Flowtec AG

Inventor： Oliver Berberig ,  Jens Rautenberg ,  Beat Kissling ,  Sascha Grunwald ,  Rudolf Braun ,  Achim Stark ,  Klaus Beringer ,  Stefan Rüger ,  Theo Gerald Hofmann

IPC: G01N29/24 ,  G01N29/44

Abstract: An ultrasound instrument for detecting a measured value of a medium includes a measurement chamber having a chamber wall and a longitudinal axis; a pair of ultrasound transducers configured to transmit ultrasound signals along a signal path between ultrasound transducers of the pair through the measurement chamber and to receive ultrasound signals, wherein the signal path includes a signal reflection on a reflection surface, wherein the chamber wall in a region of the reflection surface opposite a first chamber side is configured to prevent a reflection of an ultrasound signal on a chamber outer surface of the chamber wall in the direction of the signal path, wherein the chamber wall has, in the region of the reflection surface, a maximum wall thickness which is at least a factor of 1.5 greater than a Rayleigh wavelength, associated with a central frequency, of the ultrasound signal in the chamber wall.

公开(公告)号：US20160116318A1

公开(公告)日：2016-04-28

申请号：US14787543

申请日：2014-04-11

Applicant: ENDRESS+HAUSER FLOWTEC AG

Inventor： Achim Wiest ,  Andreas Berger ,  Sascha Grunwald

IPC: G01F1/66

CPC classification number: G01F1/662 ,  G01F15/006

Abstract: 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.

Abstract translation: 一种用于超声波换能器的耦合元件，其包括为压电元件的布置而设置的第一凹槽，并且包括端子基底表面，在所述端子基底表面中，由压电元件产生的超声波信号可被馈送到耦合元件中。 所述联接元件包括在所述第一凹槽内部的一个或多个止动件，每个止动件包括至少一个沿着平面延伸的止动表面，所述止动表面平行于所述第一凹槽的基座表面延伸，并且在所述平面 并且基部表面是用于容纳用于声适应层的材料的空间。 本发明还涉及超声换能器和超声波流量计。