CN204694303U - Electromagnetic Flowmeter - Google Patents
Electromagnetic Flowmeter Download PDFInfo
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- CN204694303U CN204694303U CN201520137959.XU CN201520137959U CN204694303U CN 204694303 U CN204694303 U CN 204694303U CN 201520137959 U CN201520137959 U CN 201520137959U CN 204694303 U CN204694303 U CN 204694303U
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- 238000005516 engineering process Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000005284 excitation Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
- G01F1/58—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
- G01F1/586—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters constructions of coils, magnetic circuits, accessories therefor
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
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- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
提供了一种电磁流量计，包括：管道；以及设置在所述管道的外表面上的线圈，其特征在于，所述线圈包括多对线圈，并且所述电磁流量计还包括：驱动电路，其具有分别提供多个不同驱动电流的多个输出端，所述多个输出端分别与所述多对线圈中的不同对相连；以及控制电路，所述控制电路向所述驱动电路提供控制信号，其中，所述驱动电路响应于所述控制信号在所述多个输出端中的一个或多个输出端将驱动电流提供至相连的所述多对线圈中的一对或多对线圈，使得相应线圈生成磁场。
An electromagnetic flowmeter is provided, comprising: a pipe; and a coil arranged on the outer surface of the pipe, wherein the coil includes multiple pairs of coils, and the electromagnetic flowmeter further includes: a drive circuit, which having a plurality of output ends respectively providing a plurality of different driving currents, the plurality of output ends being respectively connected to different pairs of the plurality of pairs of coils; and a control circuit, the control circuit providing a control signal to the driving circuit, Wherein, the driving circuit provides a driving current to one or more pairs of the connected coils at one or more of the plurality of output terminals in response to the control signal, so that the corresponding The coil generates a magnetic field.
Description
Technical field
This technology relates to a kind of electromagnetic flowmeter, especially, relates to one and multiple drive current can be used to encourage multipair coil, thus produce the electromagnetic flowmeter in multiple magnetic field.
Background technology
Electromagnetic flowmeter is a kind of Ferraris instrument of the volumetric flow rate for measuring the conducting medium (such as liquid, slurries) in closed conduct.Electromagnetic flowmeter is widely used in the industries such as oil, chemical industry, metallurgy, weaving, food, pharmacy, papermaking and environmental protection, municipal administration, the fields such as water conservancy construction.
Electromagnetic flowmeter mainly comprises the parts such as measuring channel, field coil, transmitter, electrode.Field coil can produce magnetic field when being applied in electric current in measuring channel, the induced potential signal that the conducting medium that flows through pipeline produces under magnetic fields is obtained by electrode, transmitter carries out the process such as amplification to the induced potential signal obtained, and converts standard signal to and exports.
In the conventional technology, usually different electromagnetic flowmeters is adopted for different application scenarios.Such as, under the application scenario that pipeline interference is less (when the solid impurity in such as testing medium is less), adopt the electromagnetic flowmeter carrying out drive coil with less drive current, the magnetic field meeting measurement demand can be obtained.And larger application scenario (such as mining industry, paper-making industry) is disturbed for pipeline, due to the solid impurity in testing medium more (such as high concentration paper pulp), usually need to use larger drive current to meet measurement demand to produce larger magnetic field.Conventional electromagnetic flowmeter, owing to only having single drive current and coil, cannot be applicable to the larger and less application scenario of signal to noise ratio (S/N ratio) simultaneously.That is, the application scenario of separate unit electromagnetic flowmeter is very single.
On the other hand, a lot of existing system does not consider the multimedium application of pipeline at the design initial stage, therefore arranges that many pipelines transmit different medium respectively.As mentioned above, often kind of medium is measured and also often needs to arrange independent electromagnetic flowmeter, consequently leads to system architecture bulky complex.
Therefore, expect to provide a kind of electromagnetic flowmeter, it can be applicable to measure the medium with different qualities, thus is conducive to cost and the complexity of minimizing system.
Utility model content
To the brief overview about this technology be provided hereinafter, so as to provide about this technology some in basic comprehension.Should be appreciated that this general introduction is not summarize for the exhaustive of this technology.It is not that intention determines key or the pith of this technology, neither the scope of this technology of intended limitation.Its object is only provide some concept in simplified form, in this, as the preorder in greater detail discussed after a while.
According to present disclosure, propose a kind of electromagnetic flowmeter, comprising: pipeline; And the coil be arranged on the outside surface of described pipeline, it is characterized in that, described coil comprises multipair coil, and described electromagnetic flowmeter also comprises: driving circuit, it has the multiple output terminals providing multiple different driving electric current respectively, described multiple output terminal respectively from described multipair coil different to be connected; And control circuit, described control circuit provides control signal to described driving circuit, wherein, drive current to be provided to the one or more pairs of coils in connected described multipair coil by described driving circuit in response to one or more output terminals of described control signal in described multiple output terminal, make corresponding coil generate magnetic field.
At least one pair of in described multipair coil is line cylinder coil.
In the described extension be provided with between at least one pair of line cylinder coil and outside surface of described pipeline for expanding the magnetic field produced by described line cylinder coil.
Described multipair coil comprises at least two pairs of line cylinder coils, and described at least two pairs of line cylinder coils are arranged in a nesting relation, or are arranged side by side along the axis direction of described pipeline, or the circumferential directions of xsect along described pipeline.
At least one pair of in described multipair coil is saddle-type coil.
Described multipair coil comprises at least two pairs of saddle-type coils, and described at least two pairs of saddle-type coils are arranged in a nesting relation.
Described multipair coil comprises at least one pair of line cylinder coil and at least one pair of saddle-type coil.
At least one pair of saddle-type coil described is around at least one pair of line cylinder coil described.
Described driving circuit can provide to be had different sizes or has different frequencies or have described multiple drive current of different sizes and different frequencies.
Larger drive current in response to described control signal, can be supplied to the coil of a greater number by described driving circuit, to generate larger magnetic field.
According to the technical scheme of present disclosure, can obtain and can produce multiple magnetic field, be applicable to measure the electromagnetic flowmeter of medium, such as, electromagnetic flowmeter all applicatory under the environment that signal to noise ratio (S/N ratio) is comparatively large and noise is smaller.
Accompanying drawing explanation
This technology can be understood better by reference to hereinafter given by reference to the accompanying drawings description, wherein employ same or analogous Reference numeral in all of the figs to represent identical or similar parts.Accompanying drawing comprises in this manual together with detailed description below and forms the part of this instructions, and is used for further illustrating the preferred embodiment of present disclosure and explaining the principle and advantage of this technology.In the accompanying drawings:
Fig. 1 is the principle schematic of the electromagnetic flowmeter according to present disclosure;
Fig. 2 is the stereographic map of the electromagnetic flowmeter according to present disclosure;
Fig. 3 is the schematic diagram of the coil of traditional electrical magnetic flowmeter;
Fig. 4 is the schematic diagram of the coil of the first embodiment according to present disclosure;
Fig. 5 is the schematic diagram of the coil of the second embodiment according to present disclosure; And
Fig. 6 is the schematic diagram of the coil of the 3rd embodiment according to present disclosure.
Embodiment
By reference to the accompanying drawings the exemplary embodiment of present disclosure will be described hereinafter.For clarity and conciseness, all features of actual embodiment are not described in the description.But should understand, can make many modifications and variations in the process implemented, to realize concrete implementation goal, and these modifications and variations are within the principle of this technology and the scope of concept.
Also it should be noted that at this, in order to avoid unnecessary details makes the purport of present disclosure fuzzy, illustrate only apparatus structure closely-related with the technical scheme of present disclosure in the accompanying drawings, and eliminate other details little with present disclosure relation.
Fig. 1 is the principle schematic of the electromagnetic flowmeter according to this technology.As shown in Figure 1, electromagnetic flowmeter comprises transmitter 110 and sensor 120 two parts.Sensor 120 is provided with multipair coil W1, W2 ..., Wn (n >=2).Transmitter 110 comprises driving circuit (not shown), and driving circuit has multiple output terminal, for by have different size multiple drive current I1, I2 ..., Im (m >=2) is supplied to coil W1-Wn.Particularly, each output terminal of driving circuit is connected with often pair of coil in multipair coil, and therefore as shown in Figure 1, each in drive current I1-Im all can be provided to each in coil W1-Wn.Under the excitation of drive current, coil can produce magnetic field.By using different drive currents to encourage different coils, different magnetic field can be produced.One skilled in the art will readily appreciate that the quantity m of electric current can be identical with the quantity n of coil, also can be different, and the occasion will be able to applied according to electromagnetic flowmeter comes the quantity of the electric current that design driven circuit provides and the quantity of coil.
Operating personnel can according to the combination real needs in magnetic field being selected to drive current and coil in use.Such as, when needing larger magnetic field, operating personnel can arrange larger drive current and carry out drive coil.Or, also by encouraging more coil to obtain larger magnetic field, such as, encourage two or three pairs of coil simultaneously.Or, also by providing larger drive current and the more coil of excitation to realize larger magnetic field.
As mentioned above, electric current I 1, I2 ..., Im has different size of current.But according to present disclosure, electric current I 1, I2 ..., Im can also be designed to have different frequencies.That is, operating personnel can also select the drive current with appropriate frequency to put on coil according to the actual requirements.
Fig. 2 shows the stereographic map of the electromagnetic flowmeter according to present disclosure.As shown in Figure 2, electromagnetic flowmeter comprises transmitter 210, case 220, pipeline 230 and flange 240.
Be provided with in transmitter 210 as mentioned above for suitable drive current being provided to the driving circuit (not shown) of coil.In addition, transmitter 210 be provided with the setting device 2110 of button form and generate the control circuit (not shown) of control signal according to operating personnel via the input of this setting device 2110.Operating personnel are according to the demand of practical application for magnetic field, and set the appropriately combined of drive current and coil by setting device 2110, control circuit produces corresponding control signal according to the setting of operating personnel, and control signal is provided to driving circuit.Drive current, in response to this control signal, is provided to the coil of setting by driving circuit at suitable output terminal.Preferably, by setting device 2110 and display device 2120 (such as, liquid crystal display) with the use of, operating personnel easily can control the coil drive current with suitable size and/or frequency being provided to expectation.It should be noted that, although Fig. 2 shows three buttons as setting device 2110, but be not limited to button form according to the setting device of present disclosure, and quantity is also not limited to three, those skilled in the art are easy to the setting device that can realize above-mentioned functions designing other form.
Case 220 is positioned at the below of transmitter 210 and is connected with transmitter 210.Case 220 is cylindrical housings, a part for measuring channel 230 is covered on wherein.Accommodate coil in space between case 220 and pipeline 230, hereinafter will be described in detail.Case 220 can play the effect of the magnetic field of intensifier coil generation and the interference of stop external magnetic field, and simultaneously also can protective wire coil structures.Case 220 and pipeline 230 are equivalent to the sensor 120 shown in Fig. 1.
Flange 260 is for playing when being connected with actual pipe under test by electromagnetic flowmeter the effect of being fastenedly connected.It should be noted that, flange is just for connecting an example of the link of electromagnetic flowmeter and actual pipeline, and those skilled in the art are easy to adopt the link of other form to realize linkage function.
Fig. 3 shows the coil of traditional electrical magnetic flowmeter.For the sake of clarity, the enclosure portion blocking coil is not shown in Fig. 3, illustrate only two bottom surfaces 320 of case.In figure 3, a pair saddle-type coil 300 is symmetrically disposed on the upper side and lower side of pipeline 330, and saddle-type coil can regard the coil being bent distortion and acquisition by the coil of the racing track form of plane as.When being applied in drive current, coil 300 can produce magnetic field in pipeline 330.As previously mentioned, traditional electrical magnetic flowmeter uses single coil and single drive current usually, is therefore difficult to produce multiple magnetic field to adapt to the different various application occasions of signal to noise ratio (S/N ratio).
Fig. 4 shows the schematic diagram of the coil of the first embodiment according to present disclosure.First define: the cylindrical outer surface of pipeline 430 is divided into uper side surface and downside surface by the horizontal plane at the axis A place of pipeline 430.The uper side surface and downside surface of pipeline 430 arrange wired coil 401,402 symmetrically, that is, the line cylinder coil 401,402 on uper side surface and line cylinder coil 401,402 (not shown) on downside surface lay respectively at the two ends of the diameter of pipeline 430 xsect.The technology on pipeline of being arranged on by line cylinder coil for those skilled in the art know, therefore repeats no more herein.Between coil 401,402 and the outside surface of pipeline 430, be provided with extension 440, extension 440 for having the strip of one fixed width, and extends along the circumference of pipeline 430 outside surface.Extension 440 can be made up of the metal of such as carbon steel.Can produce magnetic field in pipeline 430 after line cylinder coil 401,402 is energized, extension 440 contributes to expanding the magnetic field produced by line cylinder coil 401,402, and makes magnetic field uniformization.
Fig. 4 shows and arranges coil 401 and coil 402 in a nesting relation, that is, coil 402 is enclosed within coil 401.It should be noted that, also can otherwise arrange coil 401 and coil 402, such as, the two axis direction along pipeline 430 to be arranged side by side or along the circumferential directions etc. of the xsect of pipeline 430, present disclosure is not limited thereto.In addition, although one skilled in the art will readily appreciate that Fig. 4 shows the embodiment of employing two pairs of line cylinder coils, also can adopt three to or more to coil.
Fig. 5 shows the schematic diagram of the coil of the second embodiment according to present disclosure.In the present embodiment, have employed three pairs of saddle-type coils 501,502,503.Compared to line cylinder coil, saddle-type coil can produce scope more greatly, more uniform magnetic field, therefore the present embodiment does not use extension.
As shown in Figure 5, on uper side surface saddle-type coil 501,502,503 being arranged on pipeline 530 symmetrically and downside surface.That is, the coil 501,502,503 on uper side surface and coil 501,502 (not shown) on downside surface, 503 (not shown) are symmetrical about the horizontal plane at the axis A place of pipeline 530.
Coil 501,502,503 has different girths respectively, covers different areas thus on the outside surface of pipeline 530.Fig. 5 shows coil 501,502,503 nested successively according to area coverage order from big to small.But one skilled in the art will readily appreciate that the quantity of this coil arrangement described by the present embodiment and coil all can require according to specific design and make amendment.
Fig. 6 shows the schematic diagram of the coil of the 3rd embodiment according to present disclosure.The combination of line cylinder coil and saddle-type coil is have employed according to the electromagnetic flowmeter of the present embodiment.With the first embodiment and the second embodiment similar, on the uper side surface that saddle-type coil 601 and line cylinder coil 602 are arranged on pipeline 630 symmetrically and downside surface.That is, the coil 601,602 on uper side surface and the coil 601,602 on downside surface are symmetrical about the horizontal plane at the axis A place of pipeline 630.
As shown in Figure 6, line cylinder coil 602 be arranged on saddle-type coil 601 central authorities, by saddle-type coil 601 around.In addition, the extension 640 for expansion field is provided with between online cylinder coil 602 and the outside surface of pipeline 630.It should be noted that, present disclosure is not limited thereto kind of an arrangement, and the combination of line cylinder coil and saddle-type coil is also not limited to the situation shown in Fig. 6.Such as, can adopt two to or more combination to line cylinder coil and a pair saddle-type coil, and by multiple line cylinder coiler part ground or be arranged on fully within saddle-type coil, namely by saddle-type coil around.Or, also can adopt a pair line cylinder coil and two to or more combination to saddle-type coil, multiple saddle-type coil is arranged according to the nested mode shown in Fig. 5.Or, the combination of multipair line cylinder coil and multipair saddle-type coil can be adopted.Those skilled in the art are easy to make various amendment to the combination of the line cylinder coil described by the present embodiment and saddle-type coil according to the actual requirements.
According to embodiment described above, the electromagnetic flowmeter that present disclosure provides provides multiple drive current and multipair coil with different size and/or frequency, make operating personnel can control the array mode of drive current and coil, to produce the magnetic field of expectation.Therefore, the different multiple applied environment of signal to noise ratio (S/N ratio) is gone for according to the electromagnetic flowmeter of present disclosure.In the measurement environment that signal to noise ratio (S/N ratio) is larger (in such as medium, solid impurity is less), less drive current or excitation list can be used to coil to produce magnetic field.In the measurement environment that noise is smaller (in such as medium, solid impurity is more), by selecting the coil of larger drive current and/or excitation greater number, stronger magnetic field can be produced, thus obtain stable and measuring-signal accurately.
Due to the high applicability of the electromagnetic flowmeter of present disclosure, designer can measure at system initial stage planning multimedium.That is, separate unit electromagnetic flowmeter is accessed actual pipeline, can measure the medium of the various different qualities flowed through in pipeline, and without the need to being often kind of testing medium design specialized pipeline and Special electromagnetic flowmeter.The quantity of pipeline in system and instrument can be greatly reduced thus, reduce costs and the complexity of system.
In addition, operating personnel can select the appropriately combined of drive current and coil according to embody rule occasion, produce the magnetic field of more realistic demand, thus the stability of raising measurement result and accuracy.
Below describe the embodiment of present disclosure by reference to the accompanying drawings in detail, but the technical scope of present disclosure is not limited thereto.It will be understood by those skilled in the art that and depend on designing requirement and other factors, when not departing from principle and the spirit of present disclosure, various amendment or change can be carried out to discussed embodiment.The scope of present disclosure is limited by claims or its equivalent.
Claims (12)
1. an electromagnetic flowmeter, comprising: pipeline; And the coil be arranged on the outside surface of described pipeline, it is characterized in that,
Described coil comprises multipair coil, and
Described electromagnetic flowmeter also comprises:
Driving circuit, it has the multiple output terminals providing multiple different driving electric current respectively, described multiple output terminal respectively from described multipair coil different to be connected; And
Control circuit, described control circuit provides control signal to described driving circuit,
Wherein, drive current to be provided to the one or more pairs of coils in connected described multipair coil by described driving circuit in response to one or more output terminals of described control signal in described multiple output terminal, make corresponding coil generate magnetic field.
2. electromagnetic flowmeter according to claim 1, is characterized in that, at least one pair of in described multipair coil is line cylinder coil.
3. electromagnetic flowmeter according to claim 2, is characterized in that, in the described extension be provided with between at least one pair of line cylinder coil and outside surface of described pipeline for expanding the magnetic field produced by described line cylinder coil.
4. electromagnetic flowmeter according to claim 2, is characterized in that, described multipair coil comprises at least two pairs of line cylinder coils, and described at least two pairs of line cylinder coils are arranged in a nesting relation.
5. electromagnetic flowmeter according to claim 2, is characterized in that, described multipair coil comprises at least two pairs of line cylinder coils, and described at least two pairs of line cylinder coils are arranged side by side along the axis direction of described pipeline.
6. electromagnetic flowmeter according to claim 2, is characterized in that, described multipair coil comprises at least two pairs of line cylinder coils, and described at least two pairs of line cylinder coils are along the circumferential directions of the xsect of described pipeline.
7. electromagnetic flowmeter according to claim 1, is characterized in that, at least one pair of in described multipair coil is saddle-type coil.
8. electromagnetic flowmeter according to claim 7, is characterized in that, described multipair coil comprises at least two pairs of saddle-type coils, and described at least two pairs of saddle-type coils are arranged in a nesting relation.
9. electromagnetic flowmeter according to claim 1, is characterized in that, described multipair coil comprises at least one pair of line cylinder coil and at least one pair of saddle-type coil.
10. electromagnetic flowmeter according to claim 9, is characterized in that, at least one pair of saddle-type coil described is around at least one pair of line cylinder coil described.
11. electromagnetic flowmeters according to claim 1, is characterized in that, described driving circuit can provide to be had different sizes or has different frequencies or have described multiple different driving electric currents of different sizes and different frequencies.
12. electromagnetic flowmeters according to claim 10, is characterized in that, larger drive current in response to described control signal, can be supplied to the coil of a greater number by described driving circuit, to generate larger magnetic field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201520137959.XU CN204694303U (en) | 2015-03-11 | 2015-03-11 | Electromagnetic Flowmeter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520137959.XU CN204694303U (en) | 2015-03-11 | 2015-03-11 | Electromagnetic Flowmeter |
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| CN201520137959.XU Expired - Fee Related CN204694303U (en) | 2015-03-11 | 2015-03-11 | Electromagnetic Flowmeter |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019166908A1 (en) * | 2018-02-28 | 2019-09-06 | Abb Schweiz Ag | An electromagnetic flowmeter |
| GB2588201A (en) * | 2019-10-15 | 2021-04-21 | Flodatix Ltd | Apparatus for monitoring fluid flow in a pipe using electromagnetic velocity tomography |
| DE102023120595A1 (en) | 2023-08-03 | 2025-02-06 | Endress + Hauser Flowtec Ag | Magnetic-inductive flowmeter and method for designing a magnetic-inductive flowmeter |
| WO2025026986A1 (en) | 2023-08-03 | 2025-02-06 | Endress+Hauser Flowtec Ag | Magnetic inductive flow meter and method for designing a magnetic inductive flow meter |
-
2015
- 2015-03-11 CN CN201520137959.XU patent/CN204694303U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019166908A1 (en) * | 2018-02-28 | 2019-09-06 | Abb Schweiz Ag | An electromagnetic flowmeter |
| US11486748B2 (en) | 2018-02-28 | 2022-11-01 | Abb Schweiz Ag | Electromagnetic flowmeter having concentric coils |
| GB2588201A (en) * | 2019-10-15 | 2021-04-21 | Flodatix Ltd | Apparatus for monitoring fluid flow in a pipe using electromagnetic velocity tomography |
| GB2588201B (en) * | 2019-10-15 | 2024-08-14 | Flodatix Ltd | Apparatus for monitoring fluid flow in a pipe using electromagnetic velocity tomography |
| US12072219B2 (en) | 2019-10-15 | 2024-08-27 | Enercorp Engineered Solutions, Llc | Apparatus for monitoring fluid flow in a pipe using electromagnetic velocity tomography |
| DE102023120595A1 (en) | 2023-08-03 | 2025-02-06 | Endress + Hauser Flowtec Ag | Magnetic-inductive flowmeter and method for designing a magnetic-inductive flowmeter |
| WO2025026986A1 (en) | 2023-08-03 | 2025-02-06 | Endress+Hauser Flowtec Ag | Magnetic inductive flow meter and method for designing a magnetic inductive flow meter |
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