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公开(公告)号：US09689727B2
公开(公告)日：2017-06-27
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
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.
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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
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。
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公开(公告)号：US20230366743A1
公开(公告)日：2023-11-16
申请号：US18043624
申请日：2021-08-16
Applicant: Endress+Hauser Flowtec AG
Inventor： Bruno Worreth , Sabrina Ulmi , Jean-Claude Chevrolet , Fabian Steiner , Beat Tschudin
Abstract: A measuring device for determining a process variable of a medium includes a housing comprising a housing body with an inner surface. The measuring device includes a temperature measuring apparatus comprising a first temperature sensor configured to determine a first temperature value, and an evaluation circuit configured to determine a medium temperature as a function of the first temperature value. The measuring device also includes a rigid printed circuit board having a resilient printed circuit board component. The first temperature sensor is arranged on the printed circuit board component. The printed circuit board component at least partially touches the inner surface of the housing body.
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