公开(公告)号：US20180031403A1

公开(公告)日：2018-02-01

申请号：US15535446

申请日：2015-12-03

Applicant: Endress + Hauser Flowtec AG

Inventor： Martin Arnold ,  Axel Pfau

IPC: G01F1/696

CPC classification number: G01F1/696 ,  G01F1/6842 ,  G01F1/69 ,  G01F25/0007 ,  G01P5/12

Abstract: A thermal, flow measuring device for determining and/or monitoring the mass flow (φM) and/or the flow velocity (vF) of a flowable medium through a pipeline, comprising at least three sensor elements and an electronics unit, as well as method for operating a thermal, flow measuring device. Each sensor element is at least partially and/or at times in thermal contact with the medium, and includes a heatable temperature sensor. The electronics unit is embodied to heat each of the three sensor elements with a heating power, to register their temperature, to heat at least two of the at least three sensor elements simultaneously, continuously to ascertain the mass flow (φM) and/or the flow velocity (vF) of the medium, and, simultaneously, from a pairwise comparison of the temperatures and/or heating powers, to provide information concerning the state of at least one of the at least three sensor elements, and in the case that a malfunction and/or a deposit occurs on at least one of the at least three sensor elements, to perform a correction of the measured value for the mass flow (φM) and/or the flow velocity (vF) and/or to generate and to output a report concerning the state of the at least one sensor element.

公开(公告)号：US20160290849A1

公开(公告)日：2016-10-06

申请号：US15037125

申请日：2014-10-27

Applicant: ENDRESS+HAUSER FLOWTEC AG

Inventor： Anastasios Badarlis ,  Axel Pfau ,  Oliver Popp ,  Vivek Kumar ,  Hanno Schultheis

IPC: G01F15/02 ,  G01N9/00 ,  G01N11/16 ,  G01F1/688

CPC classification number: G01F15/02 ,  G01F1/684 ,  G01F1/6845 ,  G01F1/688 ,  G01N9/002 ,  G01N11/16

Abstract: A measuring device which has at least a first component, in which an integral measurement duct is provided or the first component forms in connection with additional components a measurement duct integrally in the measuring device. The measurement duct is provided for conducting a measured medium through the measuring device, characterized in that the first component has a first sensor for determining a first thermophysical property selected from thermal conductivity, thermal diffusivity and/or specific heat capacity of the measured medium, and wherein the measuring device has a second sensor, which vibrates and is provided for determining viscosity and/or density of the measured medium. The measured medium is conducted through the measurement duct from the first sensor to the second sensor.

Abstract translation: 一种至少具有第一部件的测量装置，其中设置有一体的测量管道，或者将第一部件结合附加部件与测量装置中的测量管道整体形成。 测量管道用于通过测量装置传导测量介质，其特征在于，第一部件具有第一传感器，用于确定从测量介质的热导率，热扩散系数和/或比热容中选择的第一热物性，以及 其中所述测量装置具有第二传感器，所述第二传感器振动并被提供用于确定测量介质的粘度和/或密度。 测量介质通过测量管道从第一传感器传导到第二传感器。

公开(公告)号：US20150316401A1

公开(公告)日：2015-11-05

申请号：US14651289

申请日：2013-12-06

Applicant: ENDRESS+HAUSER FLOWTEC AG

Inventor： Oliver Popp ,  Axel Pfau ,  Anastasios Badarlis ,  Frank Steinhoff

IPC: G01F1/684 ,  G01F1/696

CPC classification number: G01F1/684 ,  G01F1/6842 ,  G01F1/69 ,  G01F1/696 ,  G01F5/00 ,  G01F15/02 ,  G01F15/022 ,  G01N25/18 ,  G01N27/18

Abstract: A thermal, flow measuring apparatus for determining and/or monitoring flow of a measured medium through a measuring tube, comprising at least two temperature sensors, wherein a first temperature sensor is heatable, and a second temperature sensor serves to provide the temperature of the measured medium. According to the invention, the thermal, flow measuring apparatus has at least one measuring transducer for ascertaining the following properties of the medium: thermal conductivity, heat capacity, density and dynamic viscosity or thermal conductivity, thermal diffusivity, density and dynamic viscosity.

Abstract translation: 一种用于通过测量管确定和/或监测测量介质流动的热流量测量装置，包括至少两个温度传感器，其中第一温度传感器是可加热的，第二温度传感器用于提供所测量的介质的温度 中。 根据本发明，热流测量装置具有至少一个测量传感器，用于确定介质的以下特性：热导率，热容量，密度和动态粘度或热导率，热扩散系数，密度和动态粘度。

公开(公告)号：US20150153208A1

公开(公告)日：2015-06-04

申请号：US14551154

申请日：2014-11-24

Applicant: Endress + Hauser Flowtec AG

Inventor： Martin Arnold ,  Jan Schirrecker ,  Axel Pfau

IPC: G01F1/68

CPC classification number: G01F1/68 ,  G01F1/69 ,  G01F15/12

Abstract: A thermal, flow measuring device for determining and/or monitoring the flow of a measured medium through a measuring tube, including a first sleeve, especially a first metal sleeve, and at least a second sleeve, especially a second metal sleeve, a first temperature sensor element and at least a second temperature sensor element. At least the first temperature sensor element is heatable and arranged in the first sleeve and the second temperature sensor element is arranged in the second sleeve. The thermal, flow measuring device has a piezoelectric transducer unit, which causes at least one of the sleeves to vibrate, as well as a method for operating a thermal, flow measuring device.

Abstract translation: 一种热流量测量装置，用于通过测量管确定和/或监测测量介质的流动，所述测量管包括第一套筒，特别是第一金属套筒，以及至少第二套筒，特别是第二金属套筒，第一温度 传感器元件和至少第二温度传感器元件。 至少第一温度传感器元件是可加热的并且布置在第一套筒中，并且第二温度传感器元件布置在第二套筒中。 热量测量装置具有压电换能器单元，其使至少一个套筒振动，以及用于操作热量测量装置的方法。

公开(公告)号：US20170343401A1

公开(公告)日：2017-11-30

申请号：US15535462

申请日：2015-12-07

Applicant: Endress + Hauser Flowtec AG

Inventor： Martin Arnold ,  Axel Pfau

IPC: G01F1/696 ,  G01F1/684 ,  G01F1/692 ,  G01F25/00

Abstract: Thermal flow measuring device (1), especially for determining and/or monitoring the mass flow (ΦM) and/or the flow velocity (vF) of a flowable medium (3) through a pipeline (2), comprising at least three sensor elements (4a,4b,4c) and an electronics unit (9), wherein each of the at least three sensor elements (4a,4b,4c) is at least partially and/or at times in thermal contact with the medium (3), and includes a heatable temperature sensor (5a,5b,5c), and wherein the electronics unit (9) is embodied to heat each of the three sensor elements (4a,4b,4c) with a heating power (P1,P2,P3), to register their temperatures (T1,T2,T3), to heat at least two of the at least three sensor elements (4a,4b,4c) simultaneously, to ascertain the mass flow (ΦM) and/or the flow velocity (vF) of the medium (3), from a pairwise comparison of the temperatures (T1,T2,T3) and/or heating powers (P1,P2,P3) of the at least three sensor elements (4a,4b,4c) and/or at least one variable derived from at least one of the temperatures (T1,T2,T3) and/or heating powers (P1,P2,P3), to provide information concerning a change of the thermal resistance of at least one of the at least three sensor elements (4a,4b,4c), from a response to an abrupt change ΔP of the heating power supplied to at least one of the at least three sensor elements, to provide information concerning a change of the inner thermal resistance of the at least one sensor element, and in the case that a change of the inner and/or outer thermal resistance occurs in the case of at least one of the at least three sensor elements (4a,4b,4c), to perform a correction of the measured value for the mass flow (ΦM) and/or the flow velocity (vF) and/or to generate and to output a report concerning the state of the at least one sensor element mass flow (ΦM) and/or the flow velocity (vF).

公开(公告)号：US09596795B2

公开(公告)日：2017-03-14

申请号：US13709114

申请日：2012-12-10

Applicant: ENDRESS + HAUSER FLOWTEC AG

Inventor： Axel Pfau

IPC: H05K13/00 ,  H01C17/02 ,  H05K13/04 ,  G01F1/684 ,  G01F1/692 ,  B23K26/20

CPC classification number: H05K13/04 ,  B23K26/20 ,  G01F1/684 ,  G01F1/692 ,  Y10T29/49169 ,  Y10T29/49174

Abstract: A method for the manufacture of a sensor for a thermal flow measuring device, wherein the sensor has at least one housing with a first open end and a second open end. The first open end is securable in a sensor holder; and at least one resistance thermometer is inserted into the housing through the second open end of the housing and the second open end of the housing is closed. Cables for electrical contacting of the resistance thermometer lead out of the housing through the first open end of the housing.

Abstract translation: 一种用于制造用于热流测量装置的传感器的方法，其中所述传感器具有至少一个具有第一开口端和第二开口端的壳体。 第一个开口端可以安装在传感器支架上; 并且至少一个电阻温度计通过壳体的第二开口端插入壳体中，并且壳体的第二开口端关闭。 电阻温度计的电气接触电缆通过外壳的第一个开口端引出外壳。

公开(公告)号：US20150308875A1

公开(公告)日：2015-10-29

申请号：US14652185

申请日：2013-11-25

Applicant: ENDRESS+HAUSER FLOWTEC AG

Inventor： Harald Muller ,  Axel Pfau ,  Florian Krogmann ,  Thomas Schonstein

IPC: G01F1/692

CPC classification number: G01F1/692 ,  G01F1/696

Abstract: A thin-film sensor for a thermal flowmeter with at least a first substrate layer made of electrically non-conductive material, a second layer made of electrically conductive material and a cover layer to protect the resistance layer against abrasion, wherein the second layer is designed as two sensor elements, wherein at least a first of the two sensor elements is designed to introduce a heat quantity into a medium, and at least a second of the two sensor elements is designed to determine the ambient temperature, and the thin-film sensor has a gap that isolates the two sensor elements from one another.

Abstract translation: 一种用于热流量计的薄膜传感器，其具有至少由非导电材料制成的第一衬底层，由导电材料制成的第二层和用于保护电阻层免受磨损的覆盖层，其中第二层被设计 作为两个传感器元件，其中两个传感器元件中的至少一个被设计成将热量引入到介质中，并且两个传感器元件中的至少一个被设计为确定环境温度，并且薄膜传感器 具有将两个传感器元件彼此隔离的间隙。

公开(公告)号：US10794743B2

公开(公告)日：2020-10-06

申请号：US15769788

申请日：2016-09-08

Applicant: Endress+Hauser Flowtec AG

Inventor： Hanno Schultheis ,  Alexander Grün ,  Axel Pfau

IPC: G01F1/684 ,  G01F1/69

Abstract: A thermal, flow measuring device comprising a sensor with a metal sensor housing, which includes a cap with a lateral surface and an end face, wherein the sensor housing has at least first and second pin sleeves, which protrude starting from the end face, wherein the sensor housing has a first heater in a first of the two pin sleeves and a temperature sensor in a second of the two pin sleeves for ascertaining a temperature of the medium; wherein the end face of the cap is divided at least into a base area and at least a first planar area inclined relative to the base area by an angle, wherein a second heater is arranged on an inner surface of the cap in the region of this first area.

公开(公告)号：US10605641B2

公开(公告)日：2020-03-31

申请号：US15037125

申请日：2014-10-27

Applicant: Endress + Hauser Flowtec AG

Inventor： Anastasios Badarlis ,  Axel Pfau ,  Oliver Popp ,  Vivek Kumar ,  Hanno Schultheis

IPC: G01F15/02 ,  G01F1/688 ,  G01N9/00 ,  G01N11/16 ,  G01F1/684

Abstract: A measuring device which has at least a first component, in which an integral measurement duct is provided or the first component forms in connection with additional components a measurement duct integrally in the measuring device. The measurement duct is provided for conducting a measured medium through the measuring device, characterized in that the first component has a first sensor for determining a first thermophysical property selected from thermal conductivity, thermal diffusivity and/or specific heat capacity of the measured medium, and wherein the measuring device has a second sensor, which vibrates and is provided for determining viscosity and/or density of the measured medium. The measured medium is conducted through the measurement duct from the first sensor to the second sensor.

公开(公告)号：US10533883B2

公开(公告)日：2020-01-14

申请号：US15535462

申请日：2015-12-07

Applicant: Endress + Hauser Flowtec AG

Inventor： Martin Arnold ,  Axel Pfau

IPC: G01F1/696 ,  G01F25/00 ,  G01F1/684 ,  G01F1/692

Abstract: A thermal flow measuring device for determining and/or monitoring the mass flow and/or the flow velocity of a flowable medium through a pipeline, comprising at least three sensor elements and an electronics unit. Each sensor element is in thermal contact with the medium, and includes a heatable temperature sensor. The electronics unit is embodied to heat each of the three sensor elements with a heating power, to register their temperatures, to heat at least two of the at least three sensor elements simultaneously, to ascertain the mass flow and/or the flow velocity of the medium, from a pairwise comparison of the temperatures and/or heating powers and/or at least one variable derived from at least one of the temperatures and/or heating powers, to provide information concerning a change of the thermal resistance of at least one of the at least three sensor elements, from a response to an abrupt change of the heating power supplied to at least one of the at least three sensor elements, to provide information concerning a change of the inner thermal resistance of the at least one sensor element, and in the case that a change of the inner and/or outer thermal resistance occurs in the case of at least one of the at least three sensor elements, to perform a correction of the measured value for the mass flow and/or the flow velocity and/or to generate and to output a report concerning the state of the at least one sensor element mass flow and/or the flow velocity.