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1.发明授权公开(公告)号：US11982554B2
公开(公告)日：2024-05-14
申请号：US17256485
申请日：2019-05-23
发明人： Florent Tschambser , Lars Dreher , Fred Kappertz
摘要： Disclosed is a method for commissioning a magneto-inductive flow measuring device having means for producing a magnetic field and at least one measuring electrode pair for sensing a potential difference in a medium. The method includes a settling of the means during a settling time for stabilizing the magnetic field. During the settling time a first voltage time function is applied to the means, wherein after the settling time a measuring time begins, wherein during the measuring time a second voltage time function is applied to the means, wherein the settling time is divided into first time intervals, each of which has a duration, wherein the measuring time is divided into second time intervals, each of which has a duration, wherein an average value of all first interval durations is always less than an average value of all second interval durations.
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公开(公告)号：US11747179B2
公开(公告)日：2023-09-05
申请号：US16465224
申请日：2017-10-11
发明人： Thomas Sulzer , Florent Tschambser
IPC分类号： G01F1/58 , C08G69/10 , C08G69/14 , C09D5/00 , C09D177/02 , C09D177/04
CPC分类号： G01F1/584 , C08G69/10 , C08G69/14 , C09D5/00 , C09D177/02 , C09D177/04
摘要： A magnetically inductive flow meter having a measuring tube with a wall, which includes an electrically insulating surface of a first material, and an electrode having an electrode axis, wherein the electrode has at least one electrode end surface for tapping off a measuring signal, in particular a measuring voltage, in a measuring medium, and has an electrode shank extending through the measuring tube wall, wherein the electrode has a stop projecting from the electrode shank with a stop surface to limit the displaceability of the electrode relative to the wall along the electrode axis, wherein the electrode has an electrically insulating coating in a region of the electrode shank and in a region of the stop surface, wherein the material of the electrically insulating coating has a Shore hardness which is equal to or lower than that of the first material.
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公开(公告)号：US10551228B2
公开(公告)日：2020-02-04
申请号：US15510853
申请日：2015-08-19
发明人： Florent Tschambser , Lars Dreher , Thomas Sulzer
摘要： A method for manufacturing an apparatus for measuring flow of a fluid flowing through a measuring tube of metal using the magneto-inductive principle, comprising the method steps as follows: securing first and second collars of metal externally on the measuring tube with an orientation perpendicular to the tube axis of the measuring tube; lining the measuring tube internally with an electrically non-conductive, elastic liner; and altering a measuring section of the measuring tube located at least partially between the first collar and the second collar by means of cold deformation in such a manner that the cross sectional area of the measuring section is reduced compared with the cross sectional area of an inflow section of the measuring tube located upstream from the measuring section and an outflow section of the measuring tube located downstream from the measuring section.
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公开(公告)号：US20240110819A1
公开(公告)日：2024-04-04
申请号：US18257596
申请日：2021-11-26
IPC分类号： G01F1/58
CPC分类号： G01F1/584
摘要： The present disclosure relates to a measuring device including a measuring pipe for conducting a flowable medium. The measuring pipe has an inner lateral surface is designed to be, at least in portions, electrically insulating, and at least one monitoring electrode. The at least one monitoring electrode is arranged on the electrically insulating portion of the inner lateral surface in a medium-contacting manner. The measuring device also includes a measuring apparatus for determining a process property of the medium, and an abrasion detection device which is designed to determine at least one variable corresponding to an abrasion of on the at least one monitoring electrode.
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公开(公告)号：US20230204396A1
公开(公告)日：2023-06-29
申请号：US18000039
申请日：2021-04-23
摘要： A magneto-inductive flow measurement device, comprises a means for producing a magnetic field with a self-inductance, wherein the means for producing the magnetic field comprises a coil arrangement; a means for sensing a measurement voltage induced in the flowable medium; an operating circuit, which is adapted to apply an operating signal on the coil arrangement, wherein the operating signal has operating signal parameters; a measuring circuit, which is adapted to determine a coil electrical current of the coil arrangement; a control circuit, which is adapted so to control at least one of the operating signal parameters that a function dependent on a self-induction value of the self-induction and a coil electrical current value of the coil electrical current does not differ from a predetermined, first desired value.
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公开(公告)号：US20220381593A1
公开(公告)日：2022-12-01
申请号：US17755069
申请日：2020-09-24
发明人： Thomas Sulzer , Florent Tschambser , Lars Dreher
摘要： A measuring tube includes a support tube having a metal wall surrounding a lumen, a thermoplastic liner lining the support tube and a sensor element. The liner tube has an outer diameter less than an inner diameter of the support tube, and the wall of the liner tube has a fold, such that both the lumen and a lateral surface of the liner tube have a form deviating from that of a circular cylinder. The lateral surface is curved concavely. The liner tube is positioned in the lumen and heated into a viscoelastic state and deformed such that the wall of the liner tube unfolds and presses against the wall of the support tube, such that the lateral surface is curved convexly. The liner tube is cooled and a shape is formed between the liner tube and support tube for durably securing the liner tube in the support tube.
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7.发明申请公开(公告)号：US20210131844A1
公开(公告)日：2021-05-06
申请号：US17256485
申请日：2019-05-23
发明人： Florent Tschambser , Lars Dreher , Fred Kappertz
摘要： Disclosed is a method for commissioning a magneto-inductive flow measuring device having means for producing a magnetic field and at least one measuring electrode pair for sensing a potential difference in a medium. The method includes a settling of the means during a settling time for stabilizing the magnetic field. During the settling time a first voltage time function is applied to the means, wherein after the settling time a measuring time begins, wherein during the measuring time a second voltage time function is applied to the means, wherein the settling time is divided into first time intervals, each of which has a duration, wherein the measuring time is divided into second time intervals, each of which has a duration, wherein an average value of all first interval durations is always less than an average value of all second interval durations.
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公开(公告)号：US20190277679A1
公开(公告)日：2019-09-12
申请号：US16463166
申请日：2017-10-10
摘要： The present disclosure relates to a method for operating a magnetic-inductive flow meter. The method includes steps of generating a magnetic field in a medium during a feeding phase, wherein the feeding phase has a shot phase and a measuring phase, and measuring a coil current. The method also includes switching over from the shot phase to the measuring phase as soon as the coil current reaches a limit value, recording a time period from the beginning of the feeding phase to reaching the limit value, and determining a deviation of the time period from a target time period. The method further includes generating the magnetic field during a subsequent feeding phase, where a shot voltage of the subsequent feeding phase is adapted in dependence on the deviation in order to reduce the deviation of the time period from the target time period of the next feeding phase.
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9.发明申请公开(公告)号：US20170261356A1
公开(公告)日：2017-09-14
申请号：US15510853
申请日：2015-08-19
发明人： Florent Tschambser , Lars Dreher , Thomas Sulzer
IPC分类号： G01F1/58
摘要： A method for manufacturing an apparatus for measuring flow of a fluid flowing through a measuring tube of metal using the magneto-inductive principle, comprising the method steps as follows: securing first and second collars of metal externally on the measuring tube with an orientation perpendicular to the tube axis of the measuring tube lining the measuring tube internally with an electrically non-conductive, elastic liner and altering a measuring section of the measuring tube located at least partially between the first collar and the second collar by means of cold deformation in such a manner that the cross sectional area of the measuring section is reduced compared with the cross sectional area of an inflow section of the measuring tube located upstream from the measuring section and an outflow section of the measuring tube located downstream from the measuring section.
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公开(公告)号：US20240328842A1
公开(公告)日：2024-10-03
申请号：US18578890
申请日：2022-07-04
摘要： A magneto-inductive flow measurement device for determining a flow-rate-dependent measured variable for a flowable medium, comprises a device for producing a magnetic field, the device for producing the magnetic field comprising a coil arrangement; a device for tapping off a measurement voltage induced in the flowable medium, in particular by means of two preferably diametrically arranged measurement electrodes; an operating circuit configured to apply an operating signal, in particular a voltage signal, to the coil arrangement, the operating signal having operating signal parameters; and a controller circuit configured to control at least one of the operating signal parameters in such a way that a controlled variable does not differ from a predefined setpoint value, the setpoint value comprising a magnetic field energy of proportional magnitude.
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