公开(公告)号：US20190293466A1

公开(公告)日：2019-09-26

申请号：US16347557

申请日：2017-10-10

Applicant: Endress+Hauser Flowtec AG

Inventor： Stephan Gaberthüel ,  Alexander Grün ,  Hanno Schultheis ,  Tobias Baur ,  Martin Barth ,  Anastasios Badarlis ,  Lars Neyerlin ,  Martin Arnold ,  Oliver Popp

IPC: G01F1/688

Abstract: The invention relates to a method for manufacturing a probe (10) of a thermal, flow measuring device for measuring mass flow of a liquid in a measuring tube, wherein the method comprises steps as follows:introducing a probe core comprising a hard solder and a core element into a first probe sleeve, wherein the first probe sleeve has an open first end and a closed second end away from the first end; melting the hard solder; affixing the core element by cooling the hard solder to a temperature less than the solidification temperature; applying a thermoelement to a contact area of the core element or of the solidified hard solder. The invention relates, furthermore, to a probe resulting from the manufacturing process as well as to a flow measuring device having at least one probe of the invention.

公开(公告)号：US09696191B2

公开(公告)日：2017-07-04

申请号：US14436156

申请日：2013-09-23

Applicant: Endress + Hauser Flowtec AG

Inventor： Axel Pfau ,  Panagiotis Papathanasiou ,  Stephan Gaberthuel ,  Tobias Baur ,  Hanno Schultheis

IPC: G01F1/69 ,  G01P5/12 ,  G01F1/684

CPC classification number: G01F1/69 ,  G01F1/684 ,  G01F1/6842 ,  G01P5/12

Abstract: A thermal, flow measuring device for determining and/or monitoring a mass flow of a measured medium through a measuring tube, comprising a sensor having a first heatable resistance thermometer and at least a second heatable resistance thermometer, wherein the sensor has a longitudinal axis and an end face, which is divided into at least two adjoining segments, wherein a surface normal vector of at least a first segment forms with the longitudinal axis of the sensor an angle of at least 5°; and use of a thermal, flow measuring device.

公开(公告)号：US09671266B2

公开(公告)日：2017-06-06

申请号：US14395627

申请日：2013-03-19

Applicant: Endress + Hauser Flowtec AG

Inventor： Anastasios Badarlis ,  Tobias Baur ,  Axel Pfau ,  Hanno Schultheis

IPC: G01F1/68 ,  G01F1/696

CPC classification number: G01F1/696 ,  G01F1/6965

Abstract: A method for determining mass flow of a gas by means of a mass flow meter, which has a first and a second temperature sensor, which can be flowed around by the gas. The first temperature sensor is heated with a heating power Q, wherein the mass flow of the medium is determined by means of a power coefficient PC=Q/ΔT as a function of a heating power Q and a temperature difference ΔTm=T1−T2 between the measured values of the temperature sensor. A corrected power coefficient PCcorr is determined, wherein at least one correction occurs by means of at least one recovery correction term Ki, wherein the recovery correction term Ki has the form Ki=Δx·u2/(2·cp), wherein u is the flow velocity and cp the heat capacity of the medium, Δx is an element of the set {Δ1; Δ2; Δ12}, Δ1:=e1−cr, Δ2:=e2−cr and Δ12:=e1−e2=Δ1−Δ2, e1 and e2 are the recovery factors of the first, respectively second, temperature sensors, and wherein cr is a constant reference value, for which holds cr≦1, especially cr=1.

公开(公告)号：US20150300856A1

公开(公告)日：2015-10-22

申请号：US14436156

申请日：2013-09-23

Applicant: ENDRESS+HAUSER FLOWTEC AG

Inventor： Axel Pfau ,  Panagiotis Papathanasiou ,  Stephan Gaberthuel ,  Tobias Baur ,  Hanno Schultheis

IPC: G01F1/69

CPC classification number: G01F1/69 ,  G01F1/684 ,  G01F1/6842 ,  G01P5/12

Abstract: A thermal, flow measuring device for determining and/or monitoring a mass flow of a measured medium through a measuring tube, comprising a sensor having a first heatable resistance thermometer and at least a second heatable resistance thermometer, wherein the sensor has a longitudinal axis and an end face, which is divided into at least two adjoining segments, wherein a surface normal vector of at least a first segment forms with the longitudinal axis of the sensor an angle of at least 5°; and use of a thermal, flow measuring device.

Abstract translation: 一种用于通过测量管确定和/或监测测量介质的质量流量的热量测量装置，包括具有第一可加热电阻温度计和至少第二可加热电阻温度计的传感器，其中所述传感器具有纵向轴线和 端面被分成至少两个相邻的段，其中至少第一段的表面法线向量与传感器的纵向轴线形成至少5°的角度; 并使用热流量测量装置。

公开(公告)号：US20150276503A1

公开(公告)日：2015-10-01

申请号：US14436933

申请日：2013-09-23

Applicant: ENDRESS+HAUSER FLOWTEC AG

Inventor： Alexander Grun ,  Hanno Schultheis ,  Tobias Baur

IPC: G01K7/16 ,  G01F1/696 ,  G01F1/692

CPC classification number: G01K7/16 ,  G01D11/245 ,  G01F1/684 ,  G01F1/69 ,  G01F1/692 ,  G01F1/696 ,  G01F15/14 ,  G01K1/08 ,  G01K7/18

Abstract: A temperature sensor comprising a housing having a housing body and a housing chamber, in which housing chamber are arranged terminally two temperature sensor elements, which are especially embodied as thin-film resistance thermometers, one of the temperature sensor elements is heatable, and from each temperature sensor element at least one connection wire leads away, which is connected with a circuit board. The circuit board is arranged in the housing chamber. The circuit board is positioned in the housing chamber by a snap-in connection. A connection wire of a first temperature sensor element is led with strain relief in a first direction through the circuit board and connected with such. The housing chamber contains at least a first elastic body. The circuit board has a first number of cavities, for connection of connection wires and/or cables and a second number of cavities, for reducing thermal expansion of the circuit board. Also presented is a thermal, flow measuring device.

Abstract translation: 一种温度传感器，包括壳体，壳体具有壳体和壳体腔室，其中壳体最终布置有两个温度传感器元件，其特别体现为薄膜电阻温度计，其中一个温度传感器元件是可加热的， 温度传感器元件，至少一个连接线导线远离，其与电路板连接。 电路板布置在容纳室中。 电路板通过卡扣连接定位在壳体室中。 第一温度传感器元件的连接线通过电路板沿着第一方向被应变消除引导并与之连接。 容纳室至少包含第一弹性体。 电路板具有第一数量的空腔，用于连接连接线和/或电缆以及第二数量的空腔，用于减少电路板的热膨胀。 还提出了一种热流量测量装置。

公开(公告)号：US20150075277A1

公开(公告)日：2015-03-19

申请号：US14395627

申请日：2013-03-19

Applicant: Endress + Hauser Flowtec AG

Inventor： Anastasios Badarlis ,  Tobias Baur ,  Axel Pfau ,  Hanno Schultheis

IPC: G01F1/696

CPC classification number: G01F1/696 ,  G01F1/6965

Abstract: A method for determining mass flow of a gas by means of a mass flow meter, which has a first and a second temperature sensor, which can be flowed around by the gas. The first temperature sensor is heated with a heating power Q, wherein the mass flow of the medium is determined by means of a power coefficient PC=Q/ΔT as a function of a heating power Q and a temperature difference ΔTm=T1−T2 between the measured values of the temperature sensor. A corrected power coefficient PCcorr is determined, wherein at least one correction occurs by means of at least one recovery correction term Ki, wherein the recovery correction term Ki has the form Ki=Δx·u2/(2·cp), wherein u is the flow velocity and cp the heat capacity of the medium, Δx is an element of the set {Δ1; Δ2; Δ12}, Δ1:=e1−cr, Δ2:=e2−cr and Δ12:=e1−e2=Δ1−Δ2, e1 and e2 are the recovery factors of the first, respectively second, temperature sensors, and wherein cr is a constant reference value, for which holds cr≦1, especially cr=1.

Abstract translation: 一种用于通过质量流量计测定气体的质量流量的方法，所述质量流量计具有第一和第二温度传感器，该第一和第二温度传感器可以由气体流动。 第一温度传感器用加热功率Q加热，其中介质的质量流量通过功率系数PC = Q /＆Dgr; T作为加热功率Q和温度差Dgr的函数确定; Tm = T1-T2之间的温度传感器的测量值。 确定校正功率系数PCcorr，其中通过至少一个恢复校正项Ki进行至少一次校正，其中恢复校正项Ki具有Ki =＆Dgr; x·u2 /（2·cp）的形式，其中u 是流速，cp是介质的热容量，Dgr; x是集合{＆Dgr; 1; ＆Dgr; 2; ＆Dgr; 12}，＆Dgr; 1：= e1-cr，＆Dgr; 2：= e2-cr和＆Dgr; 12：= e1-e2 =＆Dgr; 1-＆Dgr; 2，e1和e2是第一个 ，分别是第二温度传感器，其中cr是恒定的参考值，其保持cr＆nlE; 1，特别是cr = 1。