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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 2632. Отображено 100.
15-03-2012 дата публикации

Method for detecting plugging in a coriolis flow measuring device

Номер: US20120060626A1
Автор: Alfred Rieder, Hao Zhu, Wolfgang Drahm
Принадлежит: Endress and Hauser Flowtec AG

A method for detecting complete or partial plugging of a measuring tube of a Coriolis flow measuring device, which is insertable into a pipeline, and which has a measuring transducer of the vibration type having at least two measuring tubes connected for parallel flow. The method includes, in such case, the steps of measuring a subset flow occurring in a subset of the measuring tubes, and comparing a subset flow value obtained from this measurement with a reference value to be expected for this subset. The reference value is, in such case, determined from a total mass flow determined in the context of a Coriolis mass flow measuring. Additionally, the method includes the step of detecting plugging of at least one measuring tube of the measuring transducer, if the subset flow value deviates from the reference value by more than a limit value.

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Номер записи: 1
05-04-2012 дата публикации

Coriolis mass flowmeter

Номер: US20120079891A1
Автор: Tao Wang, Yousif Hussain
Принадлежит: KROHNE AG

A Coriolis mass flowmeter having at least four measuring tubes running parallel, the measuring tubes being joined in pairs into a oscillation unit by being inserted in openings in a holding device ( 1 ) and wherein at least part of either a sensor or actuator device is attached to the holding device ( 1 ). A Coriolis mass flowmeter that has an increased measuring accuracy is implemented in that the measuring tube central axes ( 3 ) of a measuring tube pair span a common plane (E), that the holding device ( 1 ) has at least two attachment extensions ( 4 ), that the attachment extensions ( 4 ) extend across the common plane (E) and that the holding devices ( 1 ) with the attachment extensions ( 4 ) are mirror symmetric relative to the common plane (E) in respect to their projection viewed in the direction of the measuring tube central axes ( 3 ).

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Номер записи: 2
13-09-2012 дата публикации

Vibratory flowmeter friction compensation

Номер: US20120232811A1
Автор: Anthony William Pankratz, Joel Weinstein
Принадлежит: Micro Motion Inc

The invention relates to meter electronics (20) for vibratory flowmeter friction compensation is provided. The meter electronics (20) includes an interface (201) configured to communicate with a flowmeter assembly (10) of a vibratory flowmeter (5) and receive a vibrational response and a processing system (203) coupled to the interface (201) and configured to measure a mass flow rate of a fluid using the vibrational response. The processing system (203) is configured to determine a fluid velocity (V) using the mass flow rate, a fluid density (ρ), and a cross-sectional flow area (A), determine a friction factor (f) using the fluid velocity (V) and a pressure drop (ΔP), and determine a compensation factor using the friction factor (f). The invention also relates to a vibratory flowmeter compensation method.

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Номер записи: 3
11-10-2012 дата публикации

Method for Trimming a Tube

Номер: US20120255370A1
Автор: Alfred Rieder, Michael Wiesmann, Wolfgang Drahm
Принадлежит: Endress and Hauser Flowtec AG

A method for trimming a tube with at least one stiffening element placed on its tube wall to a target bending stiffness, wherein the tube has first an interim bending stiffness, which is greater than the target bending stiffness. For the purpose of reducing the interim bending stiffness of the tube to the target bending stiffness, it is provided in the method of the invention that volume of the stiffening element is removed, for instance, by means of a laser.

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Номер записи: 4
03-01-2013 дата публикации

Startup and operational techniques for a digital flowmeter

Номер: US20130000418A1
Автор: Manus P. Henry, Mayela E. Zamora
Принадлежит: Invensys Systems Inc

Startup and operational techniques for a digital flowmeter are described. For example, during a startup operation of the flowmeter, the mode of operation might include a random sequence mode, in which filtered, random frequencies are applied as a drive signal to a flowtube associated with the digital flowmeter. Once the flowtube reaches a resonant mode of vibration, the digital flowmeter may transition to a positive feedback mode, in which a sensor signal representing a motion of the flowtube is fed back to the flowtube as a drive signal. In a digital synthesis mode of operation, the analyzed sensor signals are used to synthesize the drive signal. The digital flowmeter may revert to a previous mode to regain stable and desired oscillation of the flowtube, such as might be required during a recovery operation associated with a disturbance to an operation of the digital flowmeter.

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Номер записи: 5
07-03-2013 дата публикации

Method for Operating a Coriolis Mass Flow Rate Meter and Coriolis Mass Flow Rate Meter

Номер: US20130055827A1
Автор: Felix Hammacher, Henning Lenz, Thomas Bierweiler, Wolfgang Ens
Принадлежит: SIEMENS AG

A method for operating a Coriolis mass flow rate meter and a Coriolis mass flow rate meter including an evaluation device, a measuring tube having a medium flowing therethrough and which is excited so as to perform oscillations, and at least two spaced oscillation pickups spaced apart in the longitudinal direction of the measuring tube to each generate an oscillation signal, wherein a first indicator variable based on the damping of the oscillations of the measuring tube is initially used to detect deposits in the measuring tube and if, based on the first indicator variable, increased damping is established, a second indicator variable is used, which is based on the manifestation of harmonics in the frequency spectrum of an oscillation signal such that reliable detection of deposits and therefore an indication of the state of meters and pipelines in a process engineering installation are advantageously possible.

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Номер записи: 6
09-05-2013 дата публикации

Brace bar with a reduced coupling gap

Номер: US20130112304A1
Автор: Christopher A. Werbach, Gregory Treat Lanham, Richard L. Woolf
Принадлежит: Micro Motion Inc

A brace bar ( 200 ) is provided. The brace bar ( 200 ) includes a brace bar plate ( 206 ). At least one aperture ( 201 ) is formed in the brace bar plate ( 206 ). The brace bar ( 200 ) also includes at least one tab ( 202 ) located proximate the at least one aperture ( 201 ) and extending from the brace bar plate ( 206 ).

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Номер записи: 7
16-05-2013 дата публикации

Method and apparatus for determining a temperature of a vibrating sensor component of a vibrating meter

Номер: US20130121376A1
Автор: William M Mansfield
Принадлежит: Micro Motion Inc

A method for determining a temperature of a vibrating sensor component ( 204 A, 205 A, 205′A) coupled to a conduit ( 203 A, 203 B) of a vibrating meter ( 200 ) is provided. The method comprises a step of supplying the vibrating sensor component ( 204 A, 205 A, 205 ′A) with a temperature determination signal ( 313 ). The method also comprises a step of measuring a resulting signal ( 314 ). The method further comprises a step of determining a temperature of the sensor component ( 204 A, 205 A, 205 ′A) based on the temperature determination signal ( 313 ) and the resulting signal ( 314 ).

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Номер записи: 8
06-06-2013 дата публикации

Coriolis mass flow meter

Номер: US20130139612A1
Автор: Tao Wang, Yousif Hussain
Принадлежит: KROHNE AG

A Coriolis mass flow meter ( 1 ) which has at least two curved measurement tubes ( 2 ), at least one actuator arrangement, at least one sensor arrangement and comprising at least one housing structure ( 5 ), the measurement tubes ( 2 ) being connected at their inlet end portion and an outlet end portion with at least a first oscillation node plate ( 3 ) and a second oscillation node plate ( 4 ). The flow meter achieves increased measurement accuracy and a reduced susceptibility to perturbing oscillations by at least one of the oscillation node plates being connected at the inlet end and the outlet end of the housing structure ( 5 ). A third oscillation node plate ( 6 ) can be additionally arranged on the inlet end portion and the outlet end portion of the tubes, the third oscillation node plate being connected to the housing structure.

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Номер записи: 9
06-06-2013 дата публикации

Thermal stress compensation in a curved tube vibrating flow meter

Номер: US20130139613A1
Автор: Craig Brainerd Van Cleve
Принадлежит: Micro Motion Inc

A curved tube vibrating flow meter ( 5 ) includes a flow tube temperature sensor T T ( 190 ) and a plurality of case temperature sensors T C ( 303 ) affixed to one or more case locations of a case ( 300 ) of the curved tube vibrating flow meter ( 5 ). The plurality of case temperature sensors T C ( 303 ) generate a case temperature signal, wherein a plurality of case temperature sensor resistances at the one or more case locations form a combined case resistance related to thermal importances of the one or more case locations. Meter electronics ( 20 ) receives the flow tube temperature signal, receives the case temperature signal, and compensates the curved tube vibrating flow meter ( 5 ) for thermal stress using the flow tube temperature signal and the case temperature signal.

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Номер записи: 10
13-06-2013 дата публикации

Correcting For Two-Phase Flow In A Digital Flowmeter

Номер: US20130145863A1
Автор: De La Fuente Maria Jesus, Henry Manus P.
Принадлежит: INVENSYS SYSTEMS, INC.

A flowmeter is disclosed. The flowmeter includes a vibratable conduit, and a driver connected to the conduit that is operable to impart motion to the conduit. A sensor is connected to the conduit and is operable to sense the motion of the conduit and generate a sensor signal. A controller is connected to receive the sensor signal. The controller is operable to detect a single-phase flow condition and process the sensor signal using a first process during the single-phase flow condition to generate a validated mass-flow measurement. The controller is also operable to detect a two-phase flow condition and process the sensor signal using a second process during the two-phase flow condition to generate the validated mass-flow measurement. 1a vibratable conduit;a driver connected to the conduit and operable to impart motion to the conduit;a first sensor connected to the conduit and operable to sense the motion of the conduit and generate a first sensor signal representative of said sensed motion, wherein said first sensor signal is a periodic signal having a first amplitude and a first frequency;a second sensor connected to the conduit and operable to sense the motion of the conduit and generate a second sensor signal representative of said sensed motion, wherein said second sensor signal is a periodic signal having a second amplitude and a second frequency; and receive a first sensor signal from the first sensor,', 'receive a second sensor signal from the second sensor;', 'compute a corrected first amplitude as a function of the first amplitude of the received first sensor signal;', 'compute a corrected second amplitude as a function of the second amplitude of the received second sensor signal; and', 'generate a measurement of a property of material flowing through the conduit as a function of the corrected first amplitude and the corrected second amplitude., 'a control and measurement system connected to the driver, the first sensor, and the second sensor, the control ...

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Номер записи: 11
27-06-2013 дата публикации

Method for monitoring oscillation characteristics in a coriolis, flow, measuring device

Номер: US20130160565A1
Автор: Rémy Scherrer
Принадлежит: Endress and Hauser Flowtec AG

A method for monitoring oscillation characteristics in a Coriolis, flow measuring device and to a correspondingly formed, Coriolis, flow measuring device in the case of which an excited oscillatory system is simulated with a digital model, which has at least one fittable parameter. The simulating includes, in such case, excitating the digital model in the same manner as the oscillatory system, calculating a simulation response variable of the simulated oscillations according to the digital model, and, performed over a plurality of signal modulations, iterative conforming of the at least one, fittable parameter in such a manner that the simulation response variable interatively approaches the response variable. Furthermore, it is ascertained whether a corresponding limit value is exceeded by the at least one, interatively ascertained parameter value for the at least one, fittable parameter or by at least one variable derived from the at least one, iteratively ascertained parameter value.

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Номер записи: 12
11-07-2013 дата публикации

METHODS OF MANUFACTURING AND TEMPERATURE CALIBRATING A CORIOLIS MASS FLOW RATE SENSOR

Номер: US20130174670A1
Автор: Knudsen Claus W., Lin Jianren, Young Alan M.
Принадлежит: MALEMA ENGINEERING CORPORATION

A subassembly of a Coriolis flowmeter is fabricated from a single monolithic piece of elastic polymeric material. The subassembly includes two flow-sensitive members and a base integrally connected to the two flow-sensitive members. The two flow-sensitive members include straight sections, and are substantially similar and parallel to each other. Flow passages are drilled along the straight sections of the two flow-sensitive members, and drilled entrances are sealed using the elastic polymeric material. A temperature sensor is fixedly attached to a flow-sensitive member for measuring a temperature of the flow-sensitive member and communicating the temperature to a metering electronics. The metering electronics determines a calibrated flow rate of fluid flowing through the Coriolis flowmeter that accounts for the temperature. 1. A Coriolis flowmeter , comprising:a base comprising openings configured to allow fluid to flow through the Coriolis flowmeter;two flow-sensitive members, each of which comprises one or more straight sections and flow passageways fabricated along centerlines of the straight sections for the fluid to flow through, at least one flow passageway fabricated completely through its corresponding straight section to form an opening, wherein all openings not connecting to the base are sealed, and wherein the two flow-sensitive members are integrally connected to the base, and the two flow-sensitive members and the base are all fabricated from an elastic polymeric material;two motion-responsive sensors each of which is fixedly attached to the two flow-sensitive members and configured to generate signals responsive to relative motions generated by the two flow-sensitive members due to Coriolis force induced by the fluid flowing through the Coriolis flowmeter; andelectronics communicatively connected to the two sensors and configured to receive the signals and generate output information indicative of the flow rate of the fluid that flows through the ...

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Номер записи: 13
08-08-2013 дата публикации

METHOD FOR OPERATING A RESONANCE MEASURING SYSTEM

Номер: US20130199306A1
Автор: Kolahi Kourosh, Storm Ralf
Принадлежит: KROHNE MESSTECHNIK GMBH

A method for operating a Coriolis mass flowmeter in which a simple and reliable detection of a multi-phase flow is implemented by determining at least one first measured value for at least one state variable that is dependent on the amplitude in a multi-phase medium, exciting the measuring tube with the oscillation generator to oscillate at a predetermined oscillation frequency and a first amplitude, and to oscillate with the excitation frequency and a second amplitude, detecting the resulting oscillation of the measuring tube and determining at least a second measured value for the state variable that is dependent on the amplitude in a multi-phase medium from the determined resulting oscillation, and using the deviation of at least one of the first measured value from at least a corresponding second value as an indicator for the presence of a multi-phase flow. 111-. (canceled)12. Method for operating a resonance measuring system having at least one measuring tube with a medium flowing through it , at least one oscillation generator , at least one oscillation sensor , and at least one control and evaluation unit , comprising the steps of:exciting the measuring tube by the oscillation generator to oscillation with a predetermined excitation frequency and a first amplitude,detecting the resulting oscillation of the measuring tube with at least one oscillation sensor,{'sub': 'i', 'using the control and evaluation unit to determine at least one first measured value (x) for at least one state variable (x) that is dependent on the amplitude in a multi-phase medium,'}exciting the measuring tube by the oscillation generator to oscillation with the excitation frequency and a second amplitude which differs from the first amplitude,{'sub': 'j', 'detecting the resulting oscillation of the measuring tube with the second amplitude and using the control and evaluation unit to determine at least a second measured value (x) for the at least one state variable (x) that is dependent ...

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Номер записи: 14
22-08-2013 дата публикации

Digital flowmeter

Номер: US20130213143A1
Автор: David W. Clarke, James H. Vignos, Manus P. Henry
Принадлежит: Invensys Systems Inc

A control and measurement system for a coriolis flowmeter having a flowtube, a driver adapted to vibrate the flowtube, and a pair of sensors adapted to generate signals indicative of movement of the flowtube when it is being vibrated by the driver, wherein the sensors are positioned relative to one another so the signals from the sensors are indicative of a mass flow rate of fluid through the flowtube. A digital drive signal generator is adapted to generate a variable digital drive signal for controlling operation of the driver. The digital drive signal generator can be adapted to cause the driver to resist motion of the flowtube during a first time period and amplify motion of the flowtube during a second time period. The digital drive signal generator can also be adapted to initiate motion of the flowtube by sending one or more square wave signals to the driver.

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Номер записи: 15
21-11-2013 дата публикации

Vibrating flow meter and method for measuring temperature

Номер: US20130305837A1
Автор: Craig Brainerd Van Cleve
Принадлежит: Micro Motion Inc

A vibrating flow meter ( 205 ) is provided. The vibrating flow meter ( 205 ) includes a single curved flow conduit ( 210 ), a conduit temperature sensor T 1 ( 291 ) affixed to the single curved flow conduit ( 210 ), a balance structure ( 208 ) affixed to and opposing the single curved flow conduit ( 210 ), and a balance temperature sensor T 2 ( 292 ) affixed to the balance structure ( 208 ). A conduit temperature sensor resistance of the conduit temperature sensor T 1 ( 291 ) and a balance structure temperature sensor resistance of the balance temperature sensor T 2 (meter2) are selected to form a predetermined resistance ratio.

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Номер записи: 16
05-12-2013 дата публикации

CORIOLIS MASS FLOW METER

Номер: US20130319134A1
Автор: CHATZIKONSTANTINOU Thomas
Принадлежит:

The invention relates to a Coriolis mass flow meter comprising two U-shaped measuring tubes having in each case two outer tube portions and an intermediate central tube portion. It comprises a vibration exciter for the purpose of effecting defined excitation of a movement of the measuring tubes, two vibration sensors for detecting movements of the measuring tubes and also a housing for accommodating at least parts of the measuring tubes. The inlets and outlets are rigidly connected to the housing. A first and a second cross brace, disposed in the region of the tube between its inlets and outlets for the purpose of coupling the two measuring tubes, form the vibration nodes of the measuring tubes. A tube portion of one measuring tube is integrally united with a tube portion of the other measuring tube. Furthermore, the two tube portions are integrally united with parts of the housing or integrally united with of one of the cross braces. 1. A Coriolis mass flow meter , comprising two U-shaped measuring tubes comprising in each case two outer tube portions and an intermediate central tube portion , wherein the measuring tubes are capable of allowing a fluid to flow therethrough , wherein said measuring tubes in each case comprise an inlet and an outlet;a vibration exciter for defined excitation of a movement of said measuring tubes;two vibration sensors for detecting movements of said measuring tubes;a housing for accommodating at least parts of said measuring tubes, wherein more particularly said inlets and said outlets are rigidly connected to said housing;a first and a second cross brace for coupling the two measuring tubes in the region of the tube between said inlets and outlets;wherein a tube portion of said measuring tube is integrally united with a tube portion of the other measuring tube,and that the two tube portions are further integrally united with parts of the housing or are integrally united with one of the cross braces.2. The Coriolis mass flow meter as ...

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Номер записи: 17
19-12-2013 дата публикации

Drive techniques for a digital flowmeter

Номер: US20130333484A1
Автор: Manus P. Henry, Mayela E. Zamora
Принадлежит: Invensys Systems Inc

Drive techniques for a digital flowmeter are described. The drive techniques account for delays caused during digital signal processing of sensor signals that correspond to a motion of a flowtube, as well as drive signals that impart motion to the flowtube. Such delays may be caused by a variety of factors, including delays associated with analog/digital conversion of the signals and/or filtering of the signals. The techniques include open-loop techniques and closed-loop techniques, which can be used separately or together during the start-up and operation of the digital flowmeter.

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Номер записи: 18
19-12-2013 дата публикации

METHOD FOR OPERATING A RESONANCE MEASURING SYSTEM AND A RESONANCE MEASURING SYSTEM IN THIS REGARD

Номер: US20130338943A1
Автор: Kolahi Kourosh, Storm Ralf
Принадлежит: KROHNE MESSTECHNIK GMBH

Methods and systems are provided for operating a resonance measuring system, including a Coriolis mass flow meter. The resonance measuring system includes an electrical actuating apparatus, an electromagnetic drive, and an oscillation element which interacts with a medium. The electrical actuating apparatus provides an electrical excitation signal that excites the electromagnetic drive. The electromagnetic drive excites the oscillation element to oscillation. A mathematical model of the resonance measuring system depicts the oscillation element and the parameters of the mathematical model are being identified excitation of the oscillation element. The identified parameters and quantities are used for operating the resonance measuring system. 1. A method for operating a resonance measuring system comprising an electrical actuating apparatus , an electromagnetic drive as an oscillation generator , an oscillation element which interacts with a medium , the method comprising:{'sub': '2', 'providing an electrical excitation signal ufor exciting the electromagnetic drive;'}exciting by the electromagnetic drive the oscillation element to oscillation in at least one natural form;depicting by a mathematical model of the resonance measuring system the oscillation element;identifying parameters of the mathematical model by excitation of the oscillation element and evaluation of the mathematical model;deriving the identified parameters and/or quantities for operation of the resonance measuring system,depicting, using the mathematical model, the electromagnetic drive and the oscillation element interacting with the medium;measuring a driving terminal current caused by the electrical excitation signal and a driving terminal voltage of the electromagnetic drive caused by the electrical excitation signal; andidentifying parameters of the electromagnetic drive and of the oscillation element by evaluation of the mathematical model based on the detected driving terminal current and ...

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Номер записи: 19
03-04-2014 дата публикации

CORRECTING FOR TWO-PHASE FLOW IN A DIGITAL FLOWMETER

Номер: US20140090484A1
Автор: De LaFuente Maria Jesus, Henry Manus P.
Принадлежит: INVENSYS SYSTEMS, INC.

A flowmeter is disclosed. The flowmeter includes a vibratable conduit, and a driver connected to the conduit that is operable to impart motion to the conduit. A sensor is connected to the conduit and is operable to sense the motion of the conduit and generate a sensor signal. A controller is connected to receive the sensor signal. The controller is operable to detect a single-phase flow condition and process the sensor signal using a first process during the single-phase flow condition to generate a validated mass-flow measurement. The controller is also operable to detect a two-phase flow condition and process the sensor signal using a second process during the two-phase flow condition to generate the validated mass-flow measurement. 1. (canceled)2. A flowmeter controller comprising one or more processing devices configured to:receive sensor signals from a sensor that is connected to a vibratable flowtube for detecting motion of the vibratable flowtube as fluid flows through the flowtube;determine an apparent flow condition of a two-phase fluid mixture flowing through the conduit using characteristics of the sensor signal;determine an actual flow condition of the two-phase mass flow based on said apparent flow condition and an application of an error correction factor to the apparent flow condition;determine drive signal characteristics for a drive signal to be applied to a driver connected to the vibratable flowtube for driving movement of the flowtube; andoutput the drive signal.3. The flowmeter controller of wherein the one or more processing devices are further configured to determine the error correction factor based on a pre-measured single-phase mass flow through the flowtube relative to measurement parameters associated with the mass flow through the flowtube as determined from the sensor signal characteristics.4. The flowmeter controller of claim 3 , wherein the measurement parameters include a temperature associated with the mass flow through the flowtube ...

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Номер записи: 20
05-01-2017 дата публикации

Measuring Transducer of Vibration-Type

Номер: US20170003156A1
Автор: BRAUN Marcel, Lalla Robert, Matt Christian
Принадлежит:

The measuring transducer comprises four measuring tubes () as well as two oscillation exciters and (). The oscillation exciter () includes a coil () secured to the measuring tube () as well as a permanent magnet () secured to the measuring tube () and movable relative to the coil () and the oscillation exciter () includes a coil () secured to the measuring tube () as well as a permanent magnet () secured to the measuring tube () and movable relative to the coil (). In the case of the measuring transducer of the invention, the coils () are connected electrically in parallel with one another. 1. Measuring transducer , comprising:a first measuring tube;a second measuring tube, especially a second measuring tube arranged extending parallel to the first measuring tube and/or a second measuring tube constructed equally to the first measuring tube;a third measuring tube, especially a third measuring tube constructed equally to the first measuring tube;at least a fourth measuring tube, especially a fourth measuring tube arranged extending parallel to the third measuring tube and/or a fourth measuring tube constructed equally to the third measuring tube;a first oscillation exciter havinga first coil secured to the first measuring tube anda first permanent magnet, especially a cup shaped first permanent magnet, secured to the second measuring tube and movable relative to the first coil; as well asa second oscillation exciter, especially a second oscillation exciter constructed equally to the first oscillation exciter, wherein the second oscillation exciter hasa second coil secured to the third measuring tube, especially a second coil constructed equally to the first coil, anda second permanent magnet secured to the fourth measuring tube and movable relative to the second coil, especially a cup shaped second permanent magnet and/or a second permanent magnet constructed equally to the first permanent magnet;wherein the first coil is connected electrically in parallel with the ...

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Номер записи: 21
03-01-2019 дата публикации

METHOD FOR REYNOLDS NUMBER CORRECTION OF A FLOW MEASUREMENT OF A CORIOLIS FLOW MEASURING DEVICE

Номер: US20190003875A1
Автор: Anklin Martin Josef, Ceglia Paul, Leenhoven Ton, Natter Stephan
Принадлежит:

A method for ascertaining a Reynolds number compensated flow velocity and/or a Reynolds number compensated flow (G) by a Coriolis flow measuring device, comprising steps as follows: a. ascertaining at least one meter factor (C) during a calibration time interval in a calibration plant (a) based on measured values (A and B) of the Coriolis flow measuring device and a piston test apparatus of the calibration plant (a) by an evaluation unit of the calibration plant (a); b. transmitting the meter factor (C) from the evaluation unit of the calibration plant (a) to an evaluation unit of the Coriolis-flow measuring device; c. associating a Reynolds number (H) with this meter factor (D) while the Coriolis flow measuring device is connected to the calibration plant (a), and storing at least one data set of at least one number pair (D), in each case, of a Reynolds number and a meter factor, in the Coriolis flow measuring device; d. ascertaining an uncorrected measured value (E) for a flow velocity and/or a flow of a measured medium (M) at a measuring point (b), the density of the measured medium (M) at the measuring point (b) and the viscosity of the measured medium at the measuring point (b); e. ascertaining a Reynolds number based on the measured value (E) of the flow velocity and/or flow, the density and the viscosity of the measured medium (M) determined in step d) and associating a meter factor (C) with this Reynolds number; and f. correcting the uncorrected measured value (E) of flow velocity and/or flow based on the associated meter factor (C) and outputting the Reynolds number-corrected flow velocity and/or the Reynolds number-corrected flow (G), and a Coriolis flow measuring device. 19-. (canceled)10. A method for ascertaining a Reynolds number compensated flow velocity and/or a Reynolds number compensated flow (G) by a Coriolis flow measuring device , comprising the steps as follows:a. ascertaining at least one meter factor (C) during a calibration time interval in ...

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Номер записи: 22
20-01-2022 дата публикации

METHOD FOR MONITORING THE CONDITION OF A MEASUREMENT SENSOR

Номер: US20220018698A1
Автор: Anklin Martin Josef
Принадлежит:

The method of the present disclosure is used to monitor a condition of a measurement sensor comprising an oscillator, which has a measuring tube for conveying the medium, and a condition parameter dependent upon a further physical parameter. The method comprises: determining tuples containing a value of the physical parameter and an associated value of the condition parameter; assigning the tuples to a value range of the physical parameter; and forming a reference value of the condition parameter for this value range of the physical parameter using the value of the condition parameter when no valid reference value of the condition parameter for this value range is present; or comparing the value of the condition parameter of the tuple with the reference value when a reference value of the condition parameter for this value range is present; and generating a finding on the basis of the result of the comparison. 115-. (canceled)16. A method for monitoring a condition of a measurement sensor for detecting the density or mass flow rate of a medium , said measurement sensor being installed at a measuring point and comprising at least one oscillator excited to oscillate , which has at least one measuring tube for conveying the medium , wherein a condition parameter of the condition is dependent upon at least one further physical parameter of the medium conveyed in the measuring tube or of the oscillator; wherein the method comprises:determining tuples which contain a value of the at least one physical parameter and an associated value of the condition parameter;assigning the tuples in each case to a value range of the at least one physical parameter; andforming a reference value of the condition parameter for this value range of the at least one physical parameter using the value of the condition parameter of the tuple when no valid reference value of the condition parameter for this value range is present; orcomparing the value of the condition parameter of the tuple ...

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Номер записи: 23
10-01-2019 дата публикации

METHOD FOR MAXIMIZING FLOWMETER TURNDOWN AND RELATED APPARATUS

Номер: US20190011301A1
Автор: Clinger Asher James
Принадлежит: Micro Motion, Inc.

A flowmeter () having a sensor assembly () connected to meter electronics () is provided. The sensor assembly () comprises at least one driver (), at least one pickoff (), and a conduit array (). The conduit array () comprises a plurality of small conduits () therein that are configured to receive a process fluid, and further configured to selectably adjust the beta ratio of the flowmeter (). 15102010104105. A flowmeter () having a sensor assembly () connected to meter electronics () , wherein the sensor assembly () comprises at least one driver () and at least one pickoff () , comprising:{'b': 300', '302', '5, 'a conduit array () comprising a plurality of small conduits () therein, configured to receive a process fluid therein, and configured to selectably adjust the beta ratio of the flowmeter ().'}25300302. The flowmeter () of claim 1 , wherein the conduit array () comprises between 3 and 30 small conduits ().35300302. The flowmeter () of claim 1 , wherein the conduit array () comprises between 30 and 300 small conduits ().45300302. The flowmeter () of claim 1 , wherein the conduit array () comprises between 30 and 3000 small conduits ().55300302. The flowmeter () of claim 1 , wherein the conduit array () is configured to adjust a total area of the small conduits () available for process fluid flow.65302. The flowmeter () of claim 1 , wherein each one of the plurality of small conduits () is selectable to provide flow therethrough.75302. The flowmeter () of claim 1 , comprising a valve configured to provide fluid communication to a subset of the plurality of small conduits () in order to receive the process fluid therein.8. A method of forming a flowmeter comprising the steps of:providing a sensor assembly comprising conduits and at least one driver and at least one pickoff attached to the conduits, wherein the conduits comprise:a conduit array comprising a plurality of small conduits therein, configured to receive a process fluid therein, and configured to ...

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Номер записи: 24
09-01-2020 дата публикации

DRIVER, SENSOR, AND BRACE BAR FOR A VIBRATORY CONDUIT

Номер: US20200011718A1
Автор: SKINKLE David
Принадлежит: Micro Motion, Inc.

A brace bar (′) configured to be removably attachable to vibratory conduits () of a flowmeter () is provided. The attachment comprises a mechanical attachment, wherein the brace bar (′) is movable about the vibratory conduits (). A component (′) of the flowmeter () sensor assembly () that is removably attachable to vibratory conduits () is also provided. The attachment comprises a mechanical attachment, comprising: a coil portion () and a magnet portion (), wherein the component (′) is movable about the vibratory conduits (). 11401401401401301305140140140140130130aaabaaab. A brace bar ( , ′ , , ′) configured to removably attach to vibratory conduits ( , ) of a flowmeter () , wherein the attachment comprises a mechanical attachment , and wherein the brace bar ( , ′ , , ′) is repositionable about the vibratory conduits ( , ).2140140140140aa. The brace bar ( claim 1 , ′ claim 1 , claim 1 , ′) of claim 1 , comprising:{'b': '141', 'a brace bar body (); and'}{'b': 142', '142', '141, 'at least one end portion (, ′) fastenable to the brace bar body ().'}3140140140140aa. The brace bar ( claim 2 , ′ claim 2 , claim 2 , ′) of claim 2 , comprising:{'b': 146', '146', '141', '142', '142', '146', '146', '130', '130, 'i': a', 'b, 'at least one aperture (, ′) defined by the brace bar body () and the at least one end portion (, ′), wherein the at least one aperture (, ′) is configured to allow a vibratory conduit (, ) to pass therethrough; and'}{'b': 141', '142', '142', '130', '130, 'i': a', 'b, 'wherein the brace bar body () and the at least one end portion (, ′) are configured to clamp to the vibratory conduit (, ).'}4140140140140aa. The brace bar ( claim 2 , ′ claim 2 , claim 2 , ′) of claim 2 , comprising:{'b': 148', '147', '141', '142', '142', '148', '130', '130, 'i': a', 'b, 'at least one raised portion () disposed on an internal surface () of the brace bar body () and at least one end portion (, ′), wherein the at least one raised portion () is configured to contact a ...

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Номер записи: 25
19-01-2017 дата публикации

METHOD FOR OPERATING A CORIOLIS MASS FLOWMETER AND RESPECTIVE CORIOLIS MASS FLOWMETER

Номер: US20170016751A1
Автор: ERKELENZ Alexander, STROM Ralf
Принадлежит:

Described and shown is a method for operating a Coriolis mass flowmeter () having at least one measuring tube (), an oscillation exciting device () for exciting the measuring tube () to an oscillation (), at least a first oscillation sensor () and a second oscillation sensor () and at least a first sensor signal path and a second sensor signal path. The object of the invention is to provide a method in which the measuring accuracy is increased compared to the prior art. The object is achieved in that at least one first test signal is generated having at least one first test signal frequency, that the at least first test signal is fed at least into the first sensor signal path and into the second sensor signal path, that the at least first test signal is guided by the first sensor signal path over the first oscillation sensor () and by the second sensor signal path over the second oscillation sensor (), that a test signal propagation time difference of at least the first test signal is determined at least between the first sensor signal path and the second sensor signal path, and that a sensor signal propagation time difference between a first sensor signal and a second sensor signal is compensated with the test signal propagation time difference. Additionally, the invention relates to a corresponding Coriolis mass flowmeter. 11232456. Method for operating a Coriolis mass flowmeter () having at least one measuring tube () , an oscillation exciting device () for exciting the measuring tube () to an oscillation () , at least a first oscillation sensor () and a second oscillation sensor () and at least a first sensor signal path and a second sensor signal path ,characterized inthat at least one first test signal is generated having at least one first test signal frequency,that the at least first test signal is fed at least into the first sensor signal path and into the second sensor signal path,{'b': 5', '6, 'that the at least first test signal is guided by the first ...

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Номер записи: 26
21-01-2021 дата публикации

METHOD OF COMPENSATING FOR MASS FLOW USING KNOWN DENSITY

Номер: US20210018354A1
Автор: GARNETT Robert Barclay, PATTEN Andrew Timothy
Принадлежит: Micro Motion, Inc.

A method for determining a mass flow measurement is provided. The method comprises calibrating a flowmeter sensor at a first temperature and flowing a fluid having a second temperature through the flowmeter sensor. A density of the fluid is input into meter electronics. A compensated mass flow value of the fluid is determined by meter electronics, wherein the Modulus of Elasticity of the flowmeter sensor is unknown. 1. A method for determining a mass flow measurement , comprising:calibrating a flowmeter sensor at a first temperature;flowing a fluid having a second temperature that is different from the first temperature through the flowmeter sensor;inputting a density of the fluid into a flowmeter electronics;determining a compensated mass flow value of the fluid with the meter electronics, wherein the Modulus of Elasticity of the flowmeter sensor is unknown.2. The method of claim 1 , wherein the density is a known reference value.3. The method of claim 1 , wherein the density is calculated from an equation of state.4. The method of claim 3 , wherein the equation of state comprises a pressure term and a temperature term.6. The method of claim 1 , wherein the accuracy of the compensated mass flow value is ±0.5%.7. The method of claim 1 , wherein the first temperature is a non-cryogenic temperature claim 1 , and the second temperature is a cryogenic temperature.8520201055. A flowmeter () comprising meter electronics () configured to receive a process fluid having a second temperature claim 1 , the meter electronics () configured to communicate with a sensor assembly () of the flowmeter () claim 1 , wherein the flowmeter () comprises:{'b': 103', '103, 'at least one flow conduit (A, B) configured to receive the process fluid;'}{'b': 104', '103', '103, 'at least one driver () configured to vibrate the at least one flow conduit (A, B);'}{'b': 105', '105', '103', '103, 'and at least one pickoff (, ′) for detecting vibrations of the at least one flow conduit (A, B);'} ...

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Номер записи: 27
24-01-2019 дата публикации

METER ELECTRONICS FOR TWO OR MORE METER ASSEMBLIES

Номер: US20190025106A1
Автор: Gao Fengchuan, LIU Huan, MAGINNIS Richard L., Shen Kai
Принадлежит: Micro Motion, Inc.

A meter electronics () for two or more meter assemblies (, ). The meter electronics () includes a processor () and one or more signal processors () communicatively coupled to the processor (). The one or more signal processors () are configured to communicatively couple to a first meter assembly () and a second meter assembly (). Accordingly, only one meter electronics can be employed to control the two or more meter assemblies, which may reduce the costs associated with employing two meter electronics. 11001010100ab. A meter electronics () for two or more meter assemblies ( , ) , the meter electronics () comprising:{'b': '110', 'a processor (); and'}{'b': 120', '110', '120', '10', '10, 'i': a', 'b, 'one or more signal processors () communicatively coupled to the processor (), wherein the one or more signal processors () are configured to communicatively couple to a first meter assembly () and a second meter assembly ().'}210012012101210aabb. The meter electronics () of claim 1 , wherein the one or more signal processors () are further configured to receive a first sensor signal () from the first meter assembly () and a second sensor signal () from the second meter assembly ().31001201212ab. The meter electronics () of claim 2 , wherein the one or more signal processors () are further configured to digitize the first sensor signal () and the second sensor signal ().410012014101410aabb. The meter electronics () of claim 1 , wherein the one or more signal processors () are further configured to provide a first drive signal () to a first meter assembly () and a second drive signal () to a second meter assembly ().5100140110140. The meter electronics () of claim 1 , further comprising a communication port () communicatively coupled to the processor () claim 1 , wherein the communication port () is configured to communicatively couple with a host.61001201211212112aabb. The meter electronics () of claim 1 , wherein the one or more signal processors () are configured to ...

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Номер записи: 28
24-04-2014 дата публикации

Digital flowmeter

Номер: US20140114589A1
Автор: David W. Clarke, James H. Vignos, Manus P. Henry
Принадлежит: Invensys Systems Inc

A control and measurement system for a coriolis flowmeter having a flowtube, a driver adapted to vibrate the flowtube, and a pair of sensors adapted to generate signals indicative of movement of the flowtube when it is being vibrated by the driver, wherein the sensors are positioned relative to one another so the signals from the sensors are indicative of a mass flow rate of fluid through the flowtube. A digital drive signal generator is adapted to generate a variable digital drive signal for controlling operation of the driver. The digital drive signal generator can be adapted to cause the driver to resist motion of the flowtube during a first time period and amplify motion of the flowtube during a second time period. The digital drive signal generator can also be adapted to initiate motion of the flowtube by sending one or more square wave signals to the driver.

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Номер записи: 29
04-02-2016 дата публикации

Messwandler vom Vibrationstyp sowie damit gebildetes Messsystem

Номер: US20160033314A1
Автор: Alfred Rieder, Christian Schutze, Christof Huber, Ennio Bitto, Martin Josef Anklin
Принадлежит: Endress and Hauser Flowtec AG

A measuring transducer comprises a measuring tube having an inlet-side tube end and an outlet-side tube end, a tube wall having a predetermined wall thickness and a lumen surrounded by the tube wall and extending between the first and second tube end, a support element, which with a support end is mechanically connected with the tube end and with a support end is mechanically connected with the tube end, as well as, laterally spaced from the measuring tube, a support element, which with a support end is mechanically coupled with the support end and with a support end is mechanically coupled with the support end. The measuring tube is adapted to guide a flowing medium in its lumen and caused to oscillate about a static resting position for producing Coriolis forces. An oscillation exciter as well as at least one oscillation sensor. The measuring transducer has a wanted mode having a resonant frequency, in which the measuring tube can execute wanted oscillations around its static resting position suitable for producing Coriolis forces and having a wanted frequency corresponding to the resonant frequency of the wanted mode. The oscillation exciter is placed externally on the measuring tube and one exciter component is placed on the support element, is, furthermore, adapted to excite the wanted oscillations of the measuring tube, and the oscillation sensor, of which one sensor component is placed externally on the measuring tube and one sensor component is placed on the support element, is adapted to register movements of the measuring tube relative to the support element and to convert such into an oscillatory signal representing oscillations of the measuring tube.

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Номер записи: 30
01-05-2014 дата публикации

DIGITAL FLOWMETER

Номер: US20140116155A1
Автор: Clarke David W., Henry Manus P., Vignos James H.
Принадлежит: INVENSYS SYSTEMS, INC.

A control and measurement system for a coriolis flowmeter having a flowtube, a driver adapted to vibrate the flowtube, and a pair of sensors adapted to generate signals indicative of movement of the flowtube when it is being vibrated by the driver, wherein the sensors are positioned relative to one another so the signals from the sensors are indicative of a mass flow rate of fluid through the flowtube. A digital drive signal generator is adapted to generate a variable digital drive signal for controlling operation of the driver. The digital drive signal generator can be adapted to cause the driver to resist motion of the flowtube during a first time period and amplify motion of the flowtube during a second time period. The digital drive signal generator can also be adapted to initiate motion of the flowtube by sending one or more square wave signals to the driver. 1. (canceled)2. A control and measurement system for a Coriolis flowmeter of the type comprising a flow tube , a driver configured to oscillate the flow tube , and a pair of sensors configured to generate signals indicative of movement of the flowtube when it is being oscillated by the driver , the sensors being positioned relative to one another so the signals from the sensors are indicative of a mass flow rate of fluid through the flowtube , the control and measurement system comprising:a digital signal processor configured to determine the mass flow rate of the fluid using the sensor signals and output a signal indicative of the determined mass flow rate; anda digital drive signal generator configured to generate a variable drive signal for controlling operation of the driver;wherein the control and measurement system is configured to apply a force to reduce the motion of the flowtube; andwherein the control and measurement system is configured to combine the sensor signals to produce a combined sensor signal and generate a gain signal based on the combined sensor signal.3. A control and measurement ...

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Номер записи: 31
01-05-2014 дата публикации

DIGITAL FLOWMETER

Номер: US20140116156A1
Автор: Clarke David W., Henry Manus P., Vignos James H.
Принадлежит: INVENSYS SYSTEMS, INC.

A control and measurement system for a coriolis flowmeter having a flowtube, a driver adapted to vibrate the flowtube, and a pair of sensors adapted to generate signals indicative of movement of the flowtube when it is being vibrated by the driver, wherein the sensors are positioned relative to one another so the signals from the sensors are indicative of a mass flow rate of fluid through the flowtube. A digital drive signal generator is adapted to generate a variable digital drive signal for controlling operation of the driver. The digital drive signal generator can be adapted to cause the driver to resist motion of the flowtube during a first time period and amplify motion of the flowtube during a second time period. The digital drive signal generator can also be adapted to initiate motion of the flowtube by sending one or more square wave signals to the driver. 1. (canceled)2. A Coriolis flowmeter comprising:a pair of conduits configured to convey a fluid through the flowmeter, each conduit defining a fluid passage having at least one curve;a driver configured to oscillate the conduits in substantially opposite phase to one another;a first sensor configured to generate a first signal indicative of relative movement of the pair of conduits when they are oscillated by the driver, the first sensor being positioned at a first location;a second sensor configured to generate a second signal indicative of relative movement of the pair of conduits when they are oscillated by the driver, the second sensor being positioned at a second location, the first and second sensors being positioned so a phase difference between the first and second signals is related to a mass flow rate of the fluid through the flowmeter;a digital signal processor configured to detect the phase difference and determine the mass flow rate of the fluid using the detected phase difference and output a signal indicative of the determined mass flow rate; and combine the first and second signals to ...

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Номер записи: 32
01-02-2018 дата публикации

TEMPERATURE COMPENSATION OF A SIGNAL IN A VIBRATORY METER

Номер: US20180031404A1
Автор: Li Xin, LIU Huan, MAGINNIS Richard L., Shen Kai, WANG Lingjun
Принадлежит: Micro Motion, Inc.

A method for temperature compensation of a signal in a vibratory meter is provided. The method includes obtaining one or more signals from a meter assembly in the vibratory meter, providing the one or more signals to a meter electronics of the vibratory meter, and compensating the one or more signals with a signal parameter offset, wherein the signal parameter offset is based on a temperature of the meter electronics. 1. A method for temperature compensation of a signal in a vibratory meter , the method comprising:obtaining one or more signals from a meter assembly in the vibratory meter;providing the one or more signals to a meter electronics of the vibratory meter; andcompensating the one or more signals with a signal parameter offset, wherein the signal parameter offset is based on a temperature of the meter electronics.2. The method of claim 1 , wherein the step of obtaining the one or more signals from the meter assembly comprises obtaining one or more signals from at least one sensor attached to a tube in the meter assembly.3. The method of claim 1 , wherein the one or more signals includes a signal that is previously zeroed at a nominal temperature.4. The method of claim 1 , further comprising at least one of:determining a time delay between two of the one or more signals and compensating the time delay with the signal parameter offset;determining a frequency of the one or more signals and compensating the frequency with the signal parameter offset; anddetermining an amplitude of the one or more signals and compensating the amplitude with the signal parameter offset.5. The method of claim 1 , further comprising measuring the temperature of the meter electronics and comparing the measured temperature with a stored measured temperature.6. The method of claim 1 , further comprising measuring the temperature of the meter electronics and correlating the measured temperature with the signal parameter offset.7. The method of claim 1 , wherein the one or more signals ...

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Номер записи: 33
31-01-2019 дата публикации

DETERMINING A CORRECTED MEASURED FLOW RATE

Номер: US20190033111A1
Автор: MAGINNIS Richard L., Standiford Dean M.
Принадлежит: Micro Motion, Inc.

A method of determining a corrected measured flow rate is provided. The method includes measuring a flow rate with a first flow meter, measuring a flow rate with a second flow meter, the second flow meter being fluidly coupled to the first flow meter in series, and correcting the measured flow rate of the first flow meter with the measured flow rate of the second flow meter. 1. A method of determining a corrected measured flow rate , the method comprising:measuring a flow rate with a first flow meter;measuring a flow rate with a second flow meter, the second flow meter being fluidly coupled to the first flow meter in series; andcorrecting the measured flow rate of the first flow meter with the measured flow rate of the second flow meter.2. The method of claim 1 , wherein correcting the measured flow rate of the first flow meter comprises summing the measured flow rate of the second flow meter with the measured flow rate of the first flow meter.3. The method of claim 1 , wherein correcting the measured flow rate of the first flow meter comprises correcting the measured flow rate of the first flow meter with an estimated zero flow instability of the first flow meter claim 1 , the estimated zero flow instability being comprised of a difference between the measured flow rate of the first flow meter and the measured flow rate of the second flow meter.4. The method of claim 1 , wherein the flow rate of the first flow meter and the flow rate of the second flow meter are measured substantially simultaneously.5. The method of claim 1 , wherein the flow rate of the second flow meter is measured prior to the measured flow rate of the first flow meter.655. A dual flow meter system () for determining a corrected measured flow rate claim 1 , the dual flow meter system () comprising:{'b': '5', 'i': 'a', 'a first flow meter ();'}{'b': 5', '5, 'i': b', 'a, 'a second flow meter () fluidly coupled in series with the first flow meter (); and'}{'b': 100', '5', '5', '100', '5', '5, 'i': ...

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Номер записи: 34
31-01-2019 дата публикации

LIMITING A DRIVE SIGNAL

Номер: US20190033112A1
Автор: Gao Fengchuan, Shen Kai, Zhang Mei
Принадлежит: Micro Motion, Inc.

A method of limiting a drive signal is provided. The method includes providing a drive signal for a meter assembly, wherein the meter assembly has a resonance frequency. The method also includes interrupting the drive signal after a first drive time-period, wherein the first drive time-period is based on an expected time for the drive signal to reach the resonance frequency. 1. A method of limiting a drive signal , the method comprising:providing a drive signal for a meter assembly, wherein the meter assembly has a resonance frequency; andinterrupting the drive signal after a first drive time-period, wherein the first drive time-period is based on an expected time for the drive signal to reach the resonance frequency.2. The method of claim 1 , wherein the first drive time-period is a pre-determined time-period based on the expected time for the drive signal to reach the resonance frequency.3. The method of claim 1 , wherein interrupting the drive signal comprises interrupting the drive signal with a quiescent portion.4. The method of claim 1 , further comprising providing the drive signal for the meter assembly after the first drive time-period.5. The method of claim 1 , wherein providing the drive signal comprises sweeping a frequency of the drive signal over a range that includes the resonance frequency.6100100. A meter electronics () for limiting a drive signal claim 1 , the meter electronics () comprising:{'b': '110', 'a processor (); and'}{'b': 120', '110', '120, 'claim-text': [{'b': 10', '10', '10', '10, 'i': a', 'b', 'a', 'b, 'provide a drive signal for a meter assembly (, ), wherein the meter assembly (, ) has a resonance frequency; and'}, {'sub': a', 'a, 'interrupt the drive signal after a first drive time-period (T), wherein the first drive time-period (T) is based on an expected time for the drive signal to reach the resonance frequency.'}], 'one or more signal processors () communicatively coupled to the processor (), wherein the one or more signal ...

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Номер записи: 35
31-01-2019 дата публикации

Limiting a current drawn by two or more meter assemblies

Номер: US20190033113A1
Автор: Fengchuan Gao, Huan LIU, Kai Shen
Принадлежит: Micro Moition Inc

A method of limiting a current drawn by two or more meter assemblies (10a,10b) is provided. The method includes driving a first meter assembly (10a) with a first drive signal, comparing one or more operating parameters of the first meter assembly (10a) to an operating threshold, and driving a second meter assembly (10b) with a second drive signal based on the comparison to prevent a current drawn by the first meter assembly 10a) and the second meter assembly (10b) from exceeding a current threshold.

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Номер записи: 36
04-02-2021 дата публикации

COMPACT VIBRATING TYPE FLOWMETER

Номер: US20210033443A1
Автор: SCHLOSSER Martin Andrew
Принадлежит: Micro Motion, Inc.

A flowmeter () is provided having a flow inlet () and a flow outlet (′). A first conduit (A) has an inlet leg (A) fluidly coupled to a central conduit portion (C), wherein the central conduit portion (C) is further fluidly coupled to an outlet leg (′A). A second conduit (B) has an inlet leg (B) fluidly coupled to a central conduit portion (′C), wherein the central conduit portion (′C) is further fluidly coupled to an outlet leg (B). The flow inlet () is fluidly coupled to a first end of the first conduit (A) and a first end of the second conduit (B), and the flow outlet (′) is fluidly coupled to a second end of the first conduit (A) and a second end of the second conduit (B). A manifold () is fluidly coupled to the inlet legs (A, B) and the outlet legs (′A, B). A driver () is at least partially coupled to the manifold, wherein the driver () is operable to vibrate the first and second conduits (A, B). 1200. A flowmeter () , comprising:{'b': '210', 'a flow inlet ();'}{'b': '210', 'a flow outlet (′);'}{'b': 208', '212', '212', '212', '212, 'a first conduit (A) having an inlet leg (A) fluidly coupled to a central conduit portion (C), wherein the central conduit portion (C) is further fluidly coupled to an outlet leg (′A);'}{'b': 208', '212', '212', '212', '212, 'a second conduit (B) having an inlet leg (B) fluidly coupled to a central conduit portion (′C), wherein the central conduit portion (′C) is further fluidly coupled to an outlet leg (′B);'}{'b': 210', '208', '208', '210', '208', '208, 'wherein the flow inlet () is fluidly coupled to a first end of the first conduit (A) and a first end of the second conduit (B), and the flow outlet (′) is fluidly coupled to a second end of the first conduit (A) and a second end of the second conduit (B);'}{'b': 206', '212', '212', '212', '212, 'a manifold () fluidly coupled to the inlet legs (A, B) and the outlet legs (′A, ′B);'}{'b': 214', '214', '208', '208, 'a driver () coupled to the manifold, wherein the driver () is operable ...

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Номер записи: 37
11-02-2016 дата публикации

Meßwandler vom Vibrationstyp sowie damit gebildetes Meßsystem

Номер: US20160041018A1
Автор: Anklin Martin Josef, BITTO Ennio, HUBER Christof, RIEDER Alfred, SCHÜTZE Christian
Принадлежит:

The measuring transducer comprises a measuring tube having an inlet-side tube end and an outlet-side tube end, a tube wall having a predetermined wall thickness and a lumen surrounded by the tube wall and extending between the first and second tube end, a support element, which with a support end is mechanically connected with the tube end and with a support end is mechanically connected with the tube end, as well as, laterally spaced from the measuring tube, a support element, which with a support end is mechanically connected with the support end and with a support end is mechanically connected with the support end. The measuring tube of the measuring transducer is adapted to guide a flowing medium in its lumen and during that to be caused to oscillate about a static resting position for producing Coriolis forces. The measuring transducer comprises an oscillation exciter as well as at least one oscillation sensor. The measuring transducer has a wanted mode having a resonant frequency, in which the measuring tube can execute wanted oscillations around its static resting position suitable for producing Coriolis forces and having a wanted frequency corresponding to the resonant frequency of the wanted mode. The oscillation exciter is, furthermore, adapted to excite the wanted oscillations of the measuring tube, and the oscillation sensor, of which one sensor component is placed externally on the measuring tube and one sensor component is placed on the support element, is adapted to register movements of the measuring tube relative to the support element and to convert such into an oscillatory signal representing oscillations of the measuring tube. 137-. (canceled)38. A measuring transducer of the vibration-type for a Coriolis mass flow measuring device , which measuring transducer comprises:a measuring tube exhibiting an inlet-side, first tube end and an outlet-side, second tube end, especially a measuring tube being point symmetric relative to a symmetry center and/ ...

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Номер записи: 38
24-02-2022 дата публикации

CORIOLIS MASS FLOWMETER WITH MAGNETIC FIELD DETECTOR

Номер: US20220057245A1
Автор: BITTO Ennio, BRAUN Marcel, Lalla Robert, RIEDER Alfred
Принадлежит:

The Coriolis mass flowmeter comprises a measuring transducer having a vibration element, an exciter arrangement, and a sensor arrangement The flowmeter further includes an electronic transmitter circuit coupled with the exciter arrangement and the sensor arrangement. The transmitter circuit supplies power to the exciter arrangement to force mechanical oscillations having a wanted frequency. The sensor arrangement includes two electrodynamic oscillation sensors to convert oscillatory movements of the vibration element into an electrical signal having an alternating voltage having an amplitude dependent on the wanted frequency and on a magnetic flux of its oscillation sensor. The sensor arrangement includes a magnetic field detector adapted to convert changes of the magnetic field into a magnetic field signal having an amplitude dependent on a magnetic flux and/or an areal density of the magnetic flux. The transmitter circuit ascertains mass flow measured values and ascertains whether an external magnetic field is present. 126-. (canceled)27. A Coriolis mass flowmeter for measuring mass flow of a fluid measured substance , the Coriolis mass flowmeter comprising:a measuring transducer having at least one vibration element, an exciter arrangement, and a sensor arrangement and which is adapted to be flowed through by the measured substance; andan electronic transmitter circuit electrically coupled with the exciter arrangement and the sensor arrangement, wherein the electronic transmitter includes at least one microprocessor;wherein the at least one vibration element is adapted to be contacted by the flowing measured substance and during that to be caused to vibrate,wherein the exciter arrangement is adapted to convert electrical power supplied to it into mechanical power effecting forced mechanical oscillations of the at least one vibration element,wherein the transmitter circuit is adapted to generate an electrical driver signal and therewith to supply electrical power ...

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Номер записи: 39
06-02-2020 дата публикации

METHOD FOR GENERATING A DIAGNOSTIC FROM A DEVIATION OF A FLOW METER PARAMETER

Номер: US20200041321A1
Автор: Cunningham Timothy J., PATTEN Andrew Timothy
Принадлежит: Micro Motion, Inc.

A method for detecting a deviation in a flow meter parameter is provided. The method includes measuring a differential pressure across at least a portion of the flow meter, calculating a friction factor based on a measured flow rate and the measured differential pressure. The method also includes comparing the calculated friction factor to an expected friction factor based on the measured flow rate and detecting a deviation in the flow meter parameter if the difference between the calculated friction factor and the expected friction factor exceeds a threshold limit. 1. A method for detecting a deviation in a flow meter parameter , comprising the steps of:measuring a differential pressure across at least a portion of the flow meter:calculating a friction factor based on a measured flow rate and the measured differential pressure; andcomparing the calculated friction factor to an expected friction factor based on the measured flow rate and detecting a deviation in the flow meter parameter if the difference between the calculated friction factor and the expected friction factor exceeds a threshold limit.3. The method of claim 1 , wherein the expected friction factor is obtained from a previous measurement.4. The method of claim 1 , wherein the differential pressure is measured across the entire flow meter.5. The method of claim 1 , wherein the expected friction factor is calculated based on a Reynold's number for the measured flow rate.6. The method of claim 1 , further comprising the step of storing the expected friction factor in meter electronics.7. The method of claim 1 , wherein the flow meter comprises a Coriolis flow meter.8. The method of claim 1 , wherein the deviation in the flow meter parameter indicates the presence of a coating in the flow meter.9. A method for detecting a deviation in a flow meter parameter claim 1 , comprising the steps of:measuring a flow tube temperature in a plurality of locations; andcalculating a temperature gradient based on the ...

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Номер записи: 40
16-02-2017 дата публикации

MASS FLOW PRIMARY WITH EXCITER

Номер: US20170045388A1
Автор: Fan Xianyong, Huang Chuang, Song Guokun
Принадлежит:

A method, system, and apparatus for measuring mass flow comprises two tubes for transporting a material; two exciters wherein one of the two exciters is fixedly attached on each of the two tubes configured to induce a vibration in the two tubes; at least two sensors on each of the tubes; a test media flowing through the tube, wherein a phase difference in the tubes is indicative of a mass flow of the test media; and a comparer module operably connected to the at least two sensors on each of the tubes for determining a phase difference of the vibrations in the tubes and determining a mass flow according to the phase difference. 1. A measuring system comprising:two tubes for transporting a material;two exciters wherein one of said two exciters is fixedly attached on each of said two tubes configured to induce a vibration in said two tubes;at least two sensors on each of said tubes; anda test media flowing through said tube, wherein a phase difference in said tubes is indicative of a mass flow of said test media.2. The measuring system of further comprisinga comparer module operably connected to said at least two sensors on each of said tubes for determining a phase difference of said vibrations in said tubes and determining a mass flow according to said phase difference.3. The measuring system of wherein said two exciters further comprise at least two electromagnets configured to induce vibration of said at least two tubes.4. The measuring system of wherein said two exciters are configured to induce vibration of said at least two tubes at a natural frequency of said tubes when said test media is not present in said tubes.5. The measuring system of further comprising a housing configured to rigidly hold said at least two tubes.6. The measuring system of further comprising at least two temperature sensors configured to take a temperature of said test media flowing through each of said tubes.7. The measuring system of further comprising:an inlet allowing said test media ...

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Номер записи: 41
15-02-2018 дата публикации

APPARATUS AND METHOD FOR REDUCING BRAZE JOINT STRESS IN A VIBRATING FLOWMETER

Номер: US20180045546A1
Автор: Ashby Lyle Dee, Bhargava Nikhil, Fleming David, Lanham Gregory Treat, NIELSON Jeffrey D, Vidhate Anand, Werbach Christopher A.
Принадлежит: Micro Motion Inc.

A method for reducing flowmeter braze joint stress is provided. The method comprises the step of bending a flow tube () to create at least one thermal expansion bend () thereon. The method comprises the step of aligning a flow tube () with at least one anchor block (). Additionally, the flow tube () is brazed to the at least one anchor block () in another step, after which the flow tube () and the at least one anchor block () are allowed to cool and contract a predetermined degree after brazing. The method additionally comprises the step of attaching the at least one anchor block () to a support block () after the flow tube () has been attached to the at least one anchor block () and attaching a manifold () to each end of the flow tube (). 1. A method of forming a flowmeter , comprising the steps of:bending a flow tube to create at least one thermal expansion bend thereon;aligning a flow tube with at least one anchor block;brazing the flow tube to the at least one anchor block;allowing the flow tube and the at least one anchor block to cool and contract after brazing;attaching the at least one anchor block to a support block after the flow tube has been brazed to the at least one anchor block; andattaching a manifold to each end of the flow tube.2. A method of forming a flowmeter , comprising the steps of:bending a flow tube to create at least one thermal expansion bend thereon;aligning a flow tube with at least one anchor block;brazing the flow tube to the at least one anchor block;attaching a first end of the flow tube to a first manifold and a second end of the flow tube to a second manifold, wherein the first and second manifolds each comprise a portion of a support block;attaching the portion of the support block of the first manifold to the portion of the support block of the second manifold; andattaching the at least one anchor block to at least one of the portion of the support block of the first manifold and the portion of the support block of the second ...

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Номер записи: 42
03-03-2022 дата публикации

VIBRONIC MEASUREMENT SENSOR HAVING AT LEAST TWO TEMPERATURE SENSORS

Номер: US20220065676A1
Автор: Alioli Mattia, Hubensteiner Josef, Kumar Vivek, RIEDER Alfred
Принадлежит:

A vibronic measurement sensor includes two measuring tubes for conveying the medium and two temperature sensors, each arranged on a surface portion of the measuring tubes, respectively, wherein: centroids of the two surface portions relative to an intersection line between a longitudinal plane of symmetry and the transverse plane of symmetry of the sensor are rotationally symmetrical to one another; the first centroid lies in a first section plane running perpendicular to a measuring tube center line of the first measuring tube, wherein an intersection point of the measuring tube center line with the first intersection plane is defined; and the first centroid is arranged relative to the intersection point of the measuring tube center line such that a measurement accuracy of the sensor is largely independent of the installation position, even when inhomogeneous temperature distributions are formed over measuring tube cross-sections at low Reynolds numbers. 112-. (canceled)13. A vibronic measurement sensor for determining at least one physical parameter of a flowable medium , the sensor comprising:an oscillator including a first measuring tube and a second measuring tube, each curved in the rest position and configured to convey the medium, and further including a first coupler and a second coupler, wherein the first and second measuring tubes are connected to each other by the first coupler and the second coupler, wherein an oscillatable portion of the first and second measuring tubes, respectively, extends between the couplers;an exciter configured to excite at least one useful flexural vibration mode of the oscillator in which the oscillatable portions of the first and second measuring tubes oscillate counter to each other;at least one vibration sensor adapted to detect vibrations of the oscillator, at least in the at least one useful flexural vibration mode, and to output vibration-dependent signals;a first temperature sensor arranged on the first measuring tube ...

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Номер записи: 43
26-02-2015 дата публикации

Method of Manufacturing a Coriolis Mass Flow Rate Sensor from a Polymeric Material

Номер: US20150053021A1
Автор: Young Alan M.
Принадлежит:

A method of manufacturing a Coriolis mass flowmeter from a polymeric material is described, in which a dynamically responsive manifold is fabricated from the same material as the flow sensor's flow-sensitive elements. The flowmeter is free of mechanical joints and adhesives. The manifold and flow-sensitive elements therefore do not slip or change their location relative one another, nor are they subject to differing degrees of thermal expansion that would otherwise undermine integrity, reliability, and/or accuracy of the boundary condition at the ends of the vibrating flow-sensitive elements. 1. A method for fabricating a Coriolis flowmeter from a single polymer material , the method comprising: a body;', 'at least four tubular port extensions integral to the body, each tubular port extension including a weld surface;', 'at least one isolation plate integral to the body and the at least four tubular port extensions;, 'fabricating a dynamically responsive manifold from a first polymer material, the dynamically responsive manifold comprisingfabricating at least two flow-sensitive members from the first polymer material, each flow-sensitive member including two open ends; andwelding each open end of the at least two flow-sensitive members to a corresponding weld surface of one of the at least four tubular port extensions.2. The method of claim 1 , wherein welding each open end of the at least two flow-sensitive members to the corresponding weld surface of one of the at least four tubular port extensions occurs simultaneously.3. The method of claim 1 , wherein the welding further comprises:locally heating the weld surface of each of the at least four tubular port extensions to within a weld temperature range of the first polymer material;locally heating each open end of the at least two flow-sensitive members to within the weld temperature range of the first polymer material; andjoining each open end to the corresponding weld surface simultaneously while each weld ...

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Номер записи: 44
08-05-2014 дата публикации

DIGITAL FLOWMETER

Номер: US20140129156A1
Автор: Clarke David W., Henry Manus P., Vignos James H.
Принадлежит: INVENSYS SYSTEMS, INC.

A control and measurement system for a coriolis flowmeter having a flowtube, a driver adapted to vibrate the flowtube, and a pair of sensors adapted to generate signals indicative of movement of the flowtube when it is being vibrated by the driver, wherein the sensors are positioned relative to one another so the signals from the sensors are indicative of a mass flow rate of fluid through the flowtube. A digital drive signal generator is adapted to generate a variable digital drive signal for controlling operation of the driver. The digital drive signal generator can be adapted to cause the driver to resist motion of the flowtube during a first time period and amplify motion of the flowtube during a second time period. The digital drive signal generator can also be adapted to initiate motion of the flowtube by sending one or more square wave signals to the driver. 1. (canceled)2. A control and measurement system for a Coriolis flowmeter of the type comprising a flow tube , a driver configured to oscillate the flow tube , and a pair of sensors configured to generate signals indicative of movement of the flowtube when it is being oscillated by the driver , the sensors being positioned relative to one another so the signals from the sensors are indicative of a mass flow rate of fluid through the flowtube , the control and measurement system comprising:a digital signal processor configured to determine the mass flow rate of the fluid using the sensor signals and output a signal indicative of the determined mass flow rate; anda digital drive signal generator configured to generate a variable drive signal for controlling operation of the driver;wherein the drive signal generator is configured to digitally generate a gain based on the sensor signals for use generating the drive signal; andwherein the drive signal generator is configured to selectively apply a negative gain to reduce motion of the flowtube.3. A control and measurement system as set forth in wherein the ...

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Номер записи: 45
13-02-2020 дата публикации

MEASURING SYSTEM

Номер: US20200049543A1
Автор: BITTO Ennio, Eckert Gerhard, RIEDER Alfred, ZHU Hao
Принадлежит:

The measuring system comprises a transducer apparatus (MT) with two tubes (), each of which has a lumen (′) surrounded by a wall, especially a metal wall and extends from an inlet side end () to an outlet side end () Each of the two tubes is adapted to be flowed through by a fluid, starting from an inlet side end and proceeding toward an outlet side end, and, during that, to be caused to vibrate. An electromechanical- exciter mechanism formed by means of at least one oscillation exciter () serves for exciting and maintaining mechanical oscillations of each of the tubes about their associated static resting positions and a sensor arrangement (S) formed by means of at least one oscillation sensor () serves for registering mechanical oscillations of at least one of the tubes (). The transducer apparatus additionally includes two temperature sensors (), wherein each of the temperature sensor () is mechanically and thermally conductively coupled with a wall of the tube (), and wherein each of the temperature sensors () is adapted to register a measuring point temperature (), namely a temperature of the wall of the tube () at a temperature measuring point formed by means of a particular temperature sensor (), and to convert such into a temperature measurement signal (θ), namely an electrical measurement signal representing the particular measuring point temperature. The temperature sensor () is additionally positioned closer to the end () than to the end (), while the temperature sensor () is positioned closer to the end () than to the end (). A measuring- and operating electronics (ME) of the measuring system electrically coupled with the transducer apparatus is additionally adapted, with application of the temperature measurement signals (θ), to generate a transducer temperature measured value, which represents a transducer apparatus temperature, which deviates both from the measuring point temperature (ϑ) as well as also from the measuring point temperature (ϑ), in ...

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Номер записи: 46
22-02-2018 дата публикации

Detecting an inaccurate flow rate measurement by a vibratory meter

Номер: US20180052036A1
Автор: Craig Andrew Riggins, Patrick John Zimmer
Принадлежит: Micro Motion Inc

A method of detecting an inaccurate flow rate measurement by a vibratory meter is provided. The method includes flowing fluid through the vibratory meter and measuring a flow rate and a density of the fluid with the vibratory meter, and calculating a density change rate of the fluid. The method also includes determining if the measured flow rate is inaccurate based on a comparison between the measured density and a density reference, and a comparison between the density change rate and a density change rate reference.

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Номер записи: 47
10-03-2022 дата публикации

CORIOLIS MEASURING SENSOR OF A CORIOLIS MEASURING INSTRUMENT AND A CORIOLIS MEASURING INSTRUMENT

Номер: US20220074776A1
Автор: Gschwend Gebhard, Hollinger Claude, Schwenter Benjamin, Werner Marc
Принадлежит:

The invention relates to a Coriolis measuring sensor for detecting a mass flow rate or a density of a medium flowing through a measurement tube of the Coriolis measuring instrument. The measurement tube has an inlet and an outlet designed to convey the medium between the inlet and the outlet; an exciter; and two sensors; the measuring sensor comprising a supporting element having a chamber designed to house the measurement tube at least in portions. The magnet device comprises a magnetically conductive holder for magnets and a first pair of magnets arranged on the holder on a first face of the coil device, with the magnets designed to cause a magnetic field perpendicularly to a cross-sectional plane of the coil, and the magnetic field of a first magnet of the pair is oriented so as to be opposite to the magnetic field of a second magnet of the pair. 115-. (canceled)16. A Coriolis measuring sensor of a Coriolis measuring instrument for detecting a mass flow rate or a density of a medium flowing through at least one measurement tube of the Coriolis measuring instrument , comprising:the at least one measurement tube having an inlet and an outlet, which tube is designed to convey the medium between the inlet and outlet;at least one exciter which is designed to excite the at least one measurement tube to vibrate;at least two sensors which are designed to detect vibrations of at least one respective measurement tube;wherein at least one exciter and/or at least one sensor respectively have a coil device with respectively at least one coil and a respective magnet device, wherein the magnet device and the coil device are movable relative to one another, parallel to a cross-sectional plane of the coil,wherein the measuring sensor has a supporting element which is designed to hold the at least one measurement tube,the magnet device has a magnetically conductive ferromagnetic holder for magnets, and at least one first pair of magnets which are arranged sequentially on the ...

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Номер записи: 48
10-03-2022 дата публикации

VIBRONIC MEASURING SYSTEM

Номер: US20220074777A1
Автор: Eckert Gerhard, Huber Reinhard, Scherrer Marco Oliver, ZHU Hao
Принадлежит:

The flow measuring system comprises a measuring transducer having a tube arrangement to convey a flowing fluid, an exciter arrangement for forced mechanical oscillations of the tube arrangement, and a sensor arrangement for registering mechanical oscillations of the tube arrangement. The measuring system further comprises a measuring and operating electronics electrically coupled with the exciter arrangement and the sensor arrangement. The measuring system has two driver circuits and two measurement transmitter circuits. The tube arrangement includes two flow dividers and four connected tubes adapted to be flowed through by the measured substance. The exciter arrangement includes two oscillation exciters, and the sensor arrangement includes four oscillation sensors. The first measurement transmitter circuit processes measurement signals from two oscillation sensors and outputs such to the second measurement transmitter circuit The second measurement transmitter circuit processes oscillation measurement signals of the other two oscillation sensors and ascertains total flow measured values. 125-. (canceled)26. A vibronic measuring system for measuring and monitoring a flow parameter changeable as a function of time and a substance parameter changeable as a function of time , the vibronic measuring system comprising:{'claim-text': ['a tube arrangement to convey the flowing fluid,', 'an exciter arrangement for converting electrical power into mechanical power serving for exciting and maintaining forced mechanical oscillations of the tube arrangement, and', 'a sensor arrangement for registering mechanical oscillations of the tube arrangement and for providing, in each case, oscillation measurement signals representing oscillatory movements of the tube arrangement; and'], '#text': 'a measuring transducer having:'}{'claim-text': ['a first driver circuit for providing electrical power to the exciter arrangement,', 'a first measurement transmitter circuit for processing ...

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Номер записи: 49
01-03-2018 дата публикации

Measuring System Having a Measuring Transducer of Vibration-Type

Номер: US20180058893A1
Автор: DRAHM Wolfgang, OUDOIRE Patrick, RIEDER Alfred, Wiesmann Michael, ZHU Hao
Принадлежит:

A measuring system comprises: a measuring transducer; transmitter electronics; at least one measuring tube; and at least one oscillation exciter. The transmitter electronics delivers a driver signal for the at least one oscillation exciter, and for feeding electrical, excitation power into the at least one oscillation exciter. The driver signal, has a sinusoidal signal component which corresponds to an instantaneous eigenfrequency, and in which the at least one measuring tube can execute, or executes, eigenoscillations about a resting position. The eigenoscillations have an oscillation node and in the region of the wanted, oscillatory length exactly one oscillatory antinode. The driver signal has, a sinusoidal signal component with a signal frequency, which deviates from each instantaneous eigenfrequency of each natural mode of oscillation of the at least one measuring tube, in each case, by more than 1 Hz and/or by more than 1% of said eigenfrequency. 1. A measuring system for flowing media , said measuring system comprising:a measuring transducer of a vibration-type, through which, during operation, a medium flows, said measuring transducer serving to produce oscillation signals corresponding to media parameters of the flowing medium; and, electrically coupled with the measuring transducer a transmitter electronics for activating said measuring transducer and for evaluating oscillation signals delivered from said measuring transducer,said measuring transducer including:at least one measuring tube, which extends with a wanted oscillatory length between an inlet-side first measuring tube end and an outlet-side second measuring tube end, said at least one measuring tube exhibiting a plurality of natural oscillation modes and said at least one measuring tube serving for conveying flowing medium,at least one oscillation exciter for converting electrical excitation power into vibrations of said at least one measuring tube,and at least one oscillation sensor for ...

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Номер записи: 50
12-03-2015 дата публикации

Method for calibrating a multiple flow conduit flow meter

Номер: US20150068271A1
Автор: Andrew Timothy Patten, Charles Paul Stack, Gregory Treat Lanham, Mark James Bell
Принадлежит: Micro Motion Inc

A method for calibrating a multiple flow conduit flow meter (200) is provided according to an embodiment of the invention. The multiple flow conduit flow meter (200) includes a first flow conduit (201) conducting a first flow stream and a pair of first pickoff sensors (215, 215′) affixed to the first flow conduit (201). The multiple flow conduit flow meter (200) further includes at least one additional flow conduit (202) conducting at least one additional flow stream and at least one pair of additional pickoff sensors (216, 216′) affixed to the at least one additional flow conduit (202).

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Номер записи: 51
28-02-2019 дата публикации

ASYMMETRIC FLOWMETER AND RELATED METHOD

Номер: US20190063974A1
Автор: SKINKLE David
Принадлежит: Micro Motion, Inc.

A method for creating an asymmetric flowmeter manifold (′) is provided. The method comprises the steps of defining at least one flowmeter () application parameter. The method also comprises determining an area for at least a first flow path () and a second flow path (′), and forming the asymmetric manifold with the determined flow path areas. 1. A method for creating an asymmetric flowmeter manifold , comprising the steps of:defining at least one flowmeter application parameter;determining an area for at least a first flow path and a second flow path; andforming the asymmetric manifold with the determined flow path areas.2. The method of claim 1 , wherein the application parameters comprise at least a fluid viscosity range and a flow rate range.3. The method of claim 1 , wherein an area of the first flow path is greater than an area of the second flow path.4. The method of claim 1 , wherein at least one flow path comprises a circular cross-section.5. The method of claim 1 , wherein at least one flow path comprises a non-circular cross-section.6. The method of claim 1 , comprising the step of forming a first port claim 1 , wherein the first and second flow paths are disposed approximately 90 degrees to the first port.7. The method of claim 1 , wherein the step of forming the manifold comprises forming the manifold of a single piece of material.8. The method of claim 7 , wherein the step of forming the manifold of a single piece of material comprises permanent mold casting.9. The method of claim 7 , wherein the step of forming the manifold of a single piece of material comprises injection molding.10. The method of claim 3 , wherein flow rates of a fluid passing through the first flow path and the second flow path are substantially equal.115. A flowmeter () configured to measure a property of a process fluid therein claim 3 , comprising:{'b': 200', '220', '303', '304, 'a sensor assembly () in communication with a meter electronics () comprising a processing system () ...

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Номер записи: 52
10-03-2016 дата публикации

Self-aligning brace bar

Номер: US20160069719A1
Автор: Christopher A. Werbach, Gregory Treat Lanham
Принадлежит: Micro Montion Inc

A brace bar, a flow conduit assembly including a brace bar, and a method for assembling a vibrating flowmeter including a brace bar are provided. The brace bar includes a first brace bar plate and a second brace bar plate. The first brace bar plate includes a first aperture and a first notch. The second brace bar plate includes a second aperture and a second notch. The first aperture and the second notch are configured to couple to a first flow conduit. The second aperture and the first notch are configured to couple to a second flow conduit.

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Номер записи: 53
27-02-2020 дата публикации

CORIOLIS MASS FLOW AND DENSITY METER WITH REDUCED PRESSURE DEPENDENCE

Номер: US20200064170A1
Автор: RICKEN Martin
Принадлежит:

A Coriolis mass flow meter, comprising a housing with an inlet and an outlet for a fluid medium, which are arranged along a flow axis, two measuring tubes configured to allow the fluid medium to flow through them in a flow direction and arranged between the inlet and the outlet and having a measuring tube circumference on their external surface, a fixing element which connects the two measuring tubes in the region of the inlet and/or the outlet in such a manner that they are fixed in position relative to one another, wherein the fixing element includes a first connecting member and a second connecting member connected to both measuring tubes, and wherein each of the connecting members rests against the measuring tubes in such a manner that a part of the measuring tube circumference of each measuring tube remains free. 1. A Coriolis mass flow meter , comprising:a housing with an inlet and an outlet for a fluid medium, which are arranged along a flow axis;two measuring tubes configured to allow the fluid medium to flow through them in a flow direction and arranged between the inlet and the outlet and having a measuring tube circumference on their external surface;a fixing element which connects the two measuring tubes in the region of the inlet and/or the outlet in such a manner that they are fixed in position relative to one another, wherein the resting area of the fixing element on the respective measuring tube is smaller in the flow direction than in the direction of the measuring tube circumference;a vibration exciter configured to cause the measuring tubes to vibrate in a vibration direction; and 'the fixing element is connected to the two measuring tubes in such a manner that a part of the measuring tube circumference of each measuring tube is left free,', 'two vibration sensors for detection of the movements of the measuring tubes, wherein'} 'the fixing element includes a first connecting member and a second connecting member which are configured as separate ...

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Номер записи: 54
10-03-2016 дата публикации

Magnet keeper assembly and related method

Номер: US20160071639A1
Автор: David Skinkle, Terri J. Mertens
Принадлежит: Micro Motion Inc

A magnet assembly ( 200 ) is provided that comprises a magnet keeper ( 204 ) configured to hold at least one magnet ( 202 ). The bracket ( 208 ) is configured to receive the magnet keeper ( 204 ) and also configured to be attachable to a flowmeter ( 5 ) sensor assembly ( 10 ). A first surface ( 216 ) is formed on the magnet keeper ( 204 ), and a second surface ( 218 ) is formed on the bracket ( 208 ), wherein the first and second surfaces ( 216, 218 ) are configured to mate so to provide a radial alignment of the magnet keeper ( 204 ) that is within a predefined radial tolerance range.

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Номер записи: 55
11-03-2021 дата публикации

CORIOLIS MASS FLOW METER

Номер: US20210072062A1
Автор: CHATZIKONSTANTINOU Thomas
Принадлежит:

A coriolis mass flow meter, including: a housing body, having a flow inlet and flow outlet for a fluid medium, two measurement tubes, which are spaced apart from each other fastened to the housing body connecting the flow inlet and the flow outlet to each other, at least one electrically controllable vibration exciter for each measurement tube (), the vibration exciter being designed to cause the measurement tube to vibrate, and at least two electrically controllable vibration sensors, the vibration sensors being designed to sense the vibration of at least one of the two measurement tubes. The vibration exciter vibration sensors are spatially fixedly fastened to the housing body between the two measurement tubes and are designed as electromagnetic coils. Each coil interacts with a permanent magnet fastened to one of the measurement tubes. The permanent magnets are oriented in such a way that permanent magnets attract each other. 1. Coriolis mass flow meter , havinga housing body, which has a flow inlet and a flow outlet for a fluid medium,two measurement tubes, which are spaced apart from each other and are fastened to the housing body and connect the flow inlet and the flow outlet to each other,at least one electrically controllable vibration exciter for each measurement tube, the vibration exciter being designed to cause the measurement tube to vibrate, andat least two electrically controllable vibration sensors, the vibration sensors being designed to sense the vibration of at least one of the two measurement tubes,wherein the vibration exciter and the vibration sensors are spatially fixedly fastened to the housing body between the two measurement tubes and wherein electromagnetic coils are used as vibration exciters and vibration sensors, wherein each coil interacts with a permanent magnet fastened to one of the measurement tubes, and wherein the measurement tubes are arranged in parallel and the permanent magnets are fastened to the measurement tubes opposite ...

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Номер записи: 56
24-03-2022 дата публикации

SPEED OF SOUND AND CONVECTIVE VELOCITY AUGMENTED CORIOLIS METERS WITH DRIVE GAIN LIMIT LOGIC

Номер: US20220090950A1
Автор: Dragnea Gabriel, Gysling Daniel L.
Принадлежит:

A system and method for sensing a process fluid is provided. The method includes: a) using a Coriolis meter (CM) having a flow tube to determine a CM mass flow value, a CM density value, and a drive gain signal; b) using a sensor array having a plurality of sensors configured to sense a characteristic of the process fluid that convects with the process fluid through the flow tube, and produce sensor signals representative of the process fluid characteristic convecting with the process fluid, and a sensor array processing unit in communication with the sensor array to determine a convective velocity of the process fluid; and c) reporting a first mass flow rate of the process fluid as measured by the CM or a second mass flow rate using the convective velocity and the CM density value based on the drive gain signal relative to a predetermined drive gain threshold. 1. A system for sensing a process fluid , comprising:a vibrating tube flow meter having at least one flow tube, the meter configured to selectively provide a measurement of a mass flow of the process fluid, a measurement of the density of the process fluid, and a drive gain signal, the process fluid passing through the at least one flow tube;a sensor array having a plurality of sensors configured to sense a characteristic of the process fluid that convects with the process fluid through at least one flow tube, and produce sensor signals representative of the process fluid characteristic convecting with the process fluid;a sensor array processing unit (SAPU) in communication with the sensor array and a memory device storing executable SAPU instructions, wherein the SAPU instructions when executed cause the sensor array processing unit to process the sensor signals to determine a convective velocity of the process fluid; and{'claim-text': ['control the vibrating tube flow meter to produce the drive gain signal;', 'report a first mass flow rate of the process fluid as measured by the vibrating tube flow meter ...

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Номер записи: 57
18-03-2021 дата публикации

METHOD FOR QUANTIFYING THE VOLUMETRIC FLOW RATE OF A FLOW OF A DRILLING MUD IN A FLOATING STRUCTURE FOR SUBSOIL DRILLING

Номер: US20210079742A1
Автор: CALLERI Antonio
Принадлежит: Geolog S.r.l.

Method for quantifying a volumetric flow rate of a flow of drilling mud in a floating structure for subsoil drilling, said method comprising: providing a flowmeter () on a floating structure () for subsoil drilling, said flowmeter () being configured for generating a flow signal (FS); providing a detection device () on said floating structure (), suitable for generating a heave signal (HS) representative of a substantially vertical heave of said floating structure (); acquiring said flow signal (FS) and said heave signal (HS) through a processor (); activating said processor () in order to transform said flow signal (FS), thereby obtaining a corresponding first spectrum (S) in the frequency domain; activating said processor () in order to transform said heave signal (HS), thereby obtaining a corresponding second spectrum (S) in the frequency domain; activating said processor () in order to compare said first spectrum (S) with said second spectrum (S), thereby obtaining a resultant spectrum (RS); activating said processor () in order to transform said resultant spectrum (RS), thereby obtaining a corresponding resultant signal (SX) in the time domain; activating said processor () in order to: determine a mean value of said flow signal (FS), add said resultant signal (SX) to said mean value, thereby obtaining a quantification of a flow of drilling mud in said floating structure; activating said processor () in order to generate an output signal (OUT) representative of said quantification. 1. Method for quantifying the volumetric flow rate of a flow of drilling mud in a floating structure for subsoil drilling , said method comprising:{'b': 50', '20', '50', '20, 'providing a flowmeter () on a floating structure () for subsoil drilling, said flowmeter () being configured for generating a flow signal (FS), said flow signal (FS) being representative of a volumetric flow rate of a flow of drilling mud in said floating structure ();'}{'b': 70', '20', '20, 'providing a ...

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Номер записи: 58
18-03-2021 дата публикации

VIBRATORY FLOWMETER AND METHODS AND DIAGNOSTICS FOR METER VERIFICATION

Номер: US20210080312A1
Автор: Cunningham Timothy J., Kapolnek David J., Larsen Christopher George, Rensing Matthew J.
Принадлежит: Micro Motion, Inc.

A vibratory flowmeter () for meter verification is provided, including meter electronics () coupled to the first and second pickoff sensors (L, R) and coupled to a driver (), with the meter electronics () configured to: vibrate the flowmeter assembly () in a single mode using the driver (), determine a single mode current () of the driver () and determine first and second response voltages () generated by the first and second pickoff sensors (L, R), respectively, compute frequency response functions for the determined first and second response voltages () from the determined single mode current (), fit the generated frequency response functions to a pole-residue model, and verify proper operation of the vibratory flowmeter () using the meter stiffness value (), residual flexibility (), and the meter mass () in embodiments. 155. A vibratory flowmeter () for meter verification , the vibratory flowmeter () comprising:{'b': 10', '130', '130', '170', '170, 'a flowmeter assembly () including one or more flowtubes (, ′) and first and second pickoff sensors (L, R);'}{'b': 180', '130', '130, 'a driver () configured to vibrate the one or more flowtubes (, ′); and'}{'b': 20', '170', '170', '180', '20', '10', '180', '230', '180', '231', '170', '170', '231', '230', '5', '218, 'meter electronics () coupled to the first and second pickoff sensors (L, R) and coupled to the driver (), with the meter electronics () being configured to: vibrate the flowmeter assembly () in a single mode using the driver (), determine a single mode current () of the driver () and determine first and second response voltages () generated by the first and second pickoff sensors (L, R), respectively, compute frequency response functions for the determined first and second response voltages () from the determined single mode current (), fit the generated frequency response functions to a pole-residue-residual flexibility model, and verify proper operation of the vibratory flowmeter () using a residual ...

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Номер записи: 59
23-03-2017 дата публикации

IMPROVED VIBRATING FLOWMETER AND RELATED METHODS

Номер: US20170082473A1
Автор: SCHLOSSER Martin Andrew, SCHOLLENBERGER Frederick Scott
Принадлежит: Micro Motion, Inc.

A flowmeter is provides that includes a sensor assembly and meter electronics. The flowmeter comprises one or more rigid flow tubes, a driver coupled to the flow tubes that is oriented to induce a drive mode vibration in the flow tubes. Two or more strain gages are coupled to the one or more rigid flow tubes and oriented to sense tension and compression of the flow tubes. One or more bridge circuits is in electrical communication with the two or more strain gages, wherein outputs of the bridge circuits are proportional to a strain detected by at least one of the strain gages. 151020. A flowmeter () including a sensor assembly () and a meter electronics () , comprising:{'b': 130', '130, 'one or more rigid flow tubes (, ′);'}{'b': 180', '130', '130', '130', '130, 'a drive mechanism () coupled to the one or more rigid flow tubes (, ′) and oriented to induce a drive mode vibration in the one or more rigid flow tubes (, ′);'}{'b': 200', '130', '130', '130', '130, 'two or more strain gages (A-H) coupled to the one or more rigid flow tubes (, ′) and oriented to sense at least one of a tension and compression in the one or more rigid flow tubes (, ′);'}{'b': 206', '206', '200', '206', '206', '200, 'one or more bridge circuits (, ′) in electrical communication with the two or more strain gages (A-H), wherein outputs of the one or more bridge circuits (, ′) are proportional to a strain detected by at least one of the two or more strain gages (A-H).'}2520. The flowmeter () of claim 1 , further comprising a high-pass filter with the meter electronics () to eliminate a DC offset.35206206. The flowmeter () of claim 1 , wherein the one or more bridge circuits ( claim 1 , ′){'b': 200', '200, 'sub': 1', '2', '1', '2, 'sup': 2', '2, 'electrically subtracts a vibrational response of a first of the two or more strain gages (A-H) from a vibrational response of a second of the two or more strain gages (A-H) to yield a voltage having an amplitude A, comprising A=√{square root over (α+α±2 ...

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Номер записи: 60
23-03-2017 дата публикации

APPARATUS AND METHOD FOR DETECTING ASYMMETRIC FLOW IN VIBRATING FLOWMETERS

Номер: US20170082474A1
Автор: SCHLOSSER Martin Andrew
Принадлежит: Micro Motion, Inc.

A flowmeter is provided that includes a sensor assembly and meter electronics. The flowmeter comprises two or more flow tubes, a driver coupled to the flow tubes that is oriented to induce a drive mode vibration in the flow tubes. Two or more strain gages are coupled to the two flow tubes and oriented to detect the phase of the drive mode vibration. One or more bridge circuits is in electrical communication with the two or more strain gages, wherein the bridge circuits are configured to output a signal indicating an asymmetric flow between the two flow tubes. 151020. A flowmeter () including a sensor assembly () and a meter electronics () , comprising:{'b': 130', '130, 'two or more flow tubes (, ′);'}{'b': 180', '130', '130', '130', '130, 'a driver () coupled to the two flow tubes (, ′) and configured to induce a drive mode vibration in the two flow tubes (, ′);'}{'b': 200', '130', '130, 'two or more strain gages (A-D) coupled to the two flow tubes (, ′) and configured to detect a phase of the drive mode vibration;'}{'b': 206', '206', '200', '130', '130, 'one or more bridge circuits (, ′) in electrical communication with the two or more strain gages (A-D), configured to output a signal indicating an asymmetric flow between the two or more flow tubes (, ′).'}25200. The flowmeter () of claim 1 , wherein the signal is proportional to a strain difference between the two or more strain gages (A-D).35200200. The flowmeter () of claim 1 , wherein the signal comprises an electrical subtraction of a signal from a first of the two or more strain gages (A-D) from a signal from a second of the two or more strain gages (A-D).45200200. The flowmeter () of claim 3 , wherein the signal further comprises a sinusoidal output at a drive mode frequency having an amplitude that is proportional to a difference that comprises the subtraction of a phase-shifted signal of the first of the two or more strain gages (A-D) from a phase-shifted signal of the second of the two or more strain ...

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Номер записи: 61
14-03-2019 дата публикации

METHOD OF FORMING A FLAMEPROOF HOUSING

Номер: US20190082549A1
Автор: Clarke David, Deshpande Atul Vasant
Принадлежит: Micro Motion, Inc.

A flameproof housing () includes a display aperture (), a shoulder () adjacent to the display aperture (), a transparent panel () including an outer face () and a perimeter (), and a fastener element () configured to hold the transparent panel () against the shoulder (). A perimeter interface region () between the perimeter () of the transparent panel () and the interior surface () of the flameproof housing () creates a perimeter gap that does not exceed a predetermined flameproof gap limit and a face interface region () between the outer face () of the transparent panel () and the shoulder () creates a face gap that does not exceed the predetermined flameproof gap limit. 1. A method of forming a flameproof housing , the method comprising:providing a display aperture in the flameproof housing;providing a shoulder adjacent to the display aperture;providing a transparent panel including an outer face and a perimeter; andproviding a fastener element configured to engage an interior surface of the flameproof housing and hold the transparent panel against the shoulder;wherein a perimeter interface region between the perimeter of the transparent panel and the interior surface of the flameproof housing creates a perimeter gap that does not exceed a predetermined flameproof gap limit and wherein a face interface region between the outer face of the transparent panel and the shoulder creates a face gap that does not exceed the predetermined flameproof gap limit.2. The method of claim 1 , further comprising:providing a seal groove formed in the shoulder; andproviding a seal positioned in the seal groove, wherein the seal prevents moisture from entering the flameproof housing at the display aperture.3. The method of claim 1 , with the shoulder including a predetermined shoulder width that defines the face interface region.4. The method of claim 1 , with the transparent panel including a predetermined panel thickness that defines the perimeter interface region.5. The method of ...

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Номер записи: 62
31-03-2016 дата публикации

Systems and Methods for Analyzing Fluid from A Separator

Номер: US20160091358A1
Автор: Allouche Francis, Fraser Laurence, JAN Mathilde, Oddie Gary Martin
Принадлежит:

A method for analyzing the reliability of a measured volumetric flow rate of a fluid in a gas outlet line of a gas-liquid separator is provided. In one embodiment, analyzing the reliability of the measured volumetric flow rate includes measuring a gas volume fraction of the fluid in the gas outlet line, comparing the measured gas volume fraction of the fluid to a threshold gas volume fraction level, and determining whether the measured volumetric flow rate of the fluid is reliable based on the comparison. Additional systems, devices, and methods are also disclosed. 1. A method comprising:measuring volumetric flow rate of a fluid in a gas outlet line of a gas-liquid separator; and measuring with a sensor a gas volume fraction of the fluid in the gas outlet line of the gas-liquid separator;', 'comparing the measured gas volume fraction of the fluid in the gas outlet line of the gas-liquid separator to a threshold gas volume fraction level; and', 'determining whether the measured volumetric flow rate of the fluid is reliable based on the comparison of the measured gas volume fraction of the fluid to the threshold gas volume fraction level., 'analyzing reliability of the measured volumetric flow rate of the fluid, wherein analyzing reliability of the measured volumetric flow rate of the fluid includes2. The method of claim 1 , wherein determining whether the measured volumetric flow rate of the fluid is reliable includes determining that the measured volumetric flow rate of the fluid is reliable if the measured gas volume fraction of the fluid is above the threshold gas volume fraction level and determining that the measured volumetric flow rate of the fluid is not reliable if the measured gas volume fraction of the fluid is below the threshold gas volume fraction level.3. The method of claim 1 , comprising triggering an alarm if the measured gas volume fraction of the fluid is below the threshold gas volume fraction level.4. The method of claim 1 , comprising ...

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Номер записи: 63
29-03-2018 дата публикации

CORIOLIS MASS FLOWMETER AND METHOD FOR OPERATING A CORIOLIS MASS FLOWMETER

Номер: US20180087946A1
Автор: Fawcett Trevor, ROLPH Christopher
Принадлежит: KROHNE AG

A Coriolis mass flowmeter with a flange connection for connection to an external pipeline, with at least one oscillation generator, with at least two oscillation sensors, with at least two measuring tubes, with at least one flow divider, wherein the flow divider is arranged upstream of the at least two measuring tubes in the direction of flow, and with at least one flow collector, wherein the flow collector is arranged downstream of the at least two measuring tubes. The Coriolis mass flowmeter has at least an active measuring tube and at least a passive measuring tube being provided, the at least one active measuring tube and the at least one passive measuring tube are designed and arranged separately from one another and the at least one oscillation generator and the at least two oscillation sensors are arranged on the at least one active measuring tube. 1. Coriolis mass flowmeter , comprising:a flange connection for connection to an external pipeline,at least one oscillation generator, with at least two oscillation sensors,at least two measuring tubes,at least one flow divide arranged upstream of the at least two measuring tubes in a direction of flow, andat least one flow collector arranged downstream of the at least two measuring tubes, wherein said at least two measuring tubes comprise at least an active measuring tube and at least a passive measuring tube,wherein the at least one active measuring tube and the at least one passive measuring tube are arranged separately from one another andwherein the at least one oscillation generator and the at least two oscillation sensors are arranged on the at least one active measuring tube.2. Coriolis mass flowmeter according to claim 1 , wherein the at least one active measuring tube and the at least one passive measuring tube have the same length.3. Coriolis mass flowmeter according to claim 1 , wherein the number of active measuring tubes is the same as the number of passive measuring tubes.4. Coriolis mass flowmeter ...

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Номер записи: 64
05-04-2018 дата публикации

Measuring tube unit and coriolis mass flowmeter

Номер: US20180094957A1
Автор: James Blackmore
Принадлежит: KROHNE AG

A Coriolis mass flowmeter and a measuring tube unit for use in the Coriolis mass flowmeter with an inlet end and an outlet end, at least two measuring tubes and at least two transition pieces. In each case, one transition piece is arranged on a measuring tube at the inlet end. Each measuring tube has a measuring tube cross section and each transition piece has a transition piece cross section at the inlet. The transition piece is designed in one piece with the associated measuring tube, and the transition piece cross section deviates in its shape and size from the associated measuring tube cross section, the measuring tubes being arranged and aligned in such a manner that the transition piece cross sections form an overall cross section and thus a flow divider.

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Номер записи: 65
12-05-2022 дата публикации

DETERMINING A VAPOR PRESSURE USING A VAPOR PRESSURE METER FACTOR

Номер: US20220146295A1
Автор: MORETT David Martinez, WEINSTEIN Joel
Принадлежит: Micro Motion, Inc.

A meter electronics () for determining a vapor pressure using a vapor pressure meter factor is provided. The meter electronics () comprises a processing system () communicatively coupled to a meter assembly (). The processing system () is configured to provide a drive signal to the meter assembly () having a fluid, measure a drive gain of the drive signal provided to the meter assembly (), and determine the vapor pressure of the fluid based on a previously determined relationship between the drive gain and a reference gas-liquid ratio. 12020. A meter electronics () for determining a vapor pressure using a vapor pressure meter factor , the meter electronics () comprising:{'b': 200', '10', '200, 'claim-text': [{'b': '10', 'provide a drive signal to the meter assembly () having a fluid;'}, {'b': '10', 'measure a drive gain of the drive signal provided to the meter assembly (); and'}, 'determine the vapor pressure of the fluid based on a previously determined relationship between the drive gain and a reference gas-liquid ratio., 'a processing system () communicatively coupled to a meter assembly (), the processing system () being configured to2202010. The meter electronics () of claim 1 , wherein the meter electronics () is further configured to determine a static pressure of a fluid in the meter assembly () contemporaneous to when the drive gain is measured.320. The meter electronics () of claim 1 , wherein the vapor pressure is determined using the measured drive gain and the previously determined relationship between the drive gain and the reference gas-liquid ratio.420. The meter electronics () of claim 1 , wherein the previously determined relationship between the drive gain and the reference gas-liquid ratio is a linear function relating a 100 percent drive gain and a true vapor pressure drive gain.520. The meter electronics () of claim 1 , wherein at least one of the reference gas-liquid ratio and the measured drive gain is associated with a predetermined ...

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Номер записи: 66
12-05-2022 дата публикации

USING A DENSITY MEASUREMENT OF A FLUID TO VERIFY A VAPOR PRESSURE

Номер: US20220146390A1
Автор: MORETT David Martinez, WEINSTEIN Joel
Принадлежит: Micro Motion, Inc.

A meter electronics () for using a density measurement of a fluid to verify a vapor pressure is provided. The meter electronics () includes a processing system () communicatively coupled to a meter assembly () having the fluid, the processing system () is configured to determine a vapor pressure of the fluid by detecting a phase change of the fluid in the meter assembly (), measure a density of the fluid based on a resonant frequency of the meter assembly (), derive a vapor pressure from the measured density, and compare the determined vapor pressure with the derived vapor pressure. 12020. A meter electronics () for using a density measurement of a fluid to verify a vapor pressure , the meter electronics () comprising:{'b': 200', '10', '200, 'claim-text': [{'b': '10', 'determine a vapor pressure of the fluid by detecting a phase change of the fluid in the meter assembly ();'}, {'b': '10', 'measure a density of the fluid based on a resonant frequency of the meter assembly ();'}, 'derive a vapor pressure from the measured density; and', 'compare the determined vapor pressure with the derived vapor pressure., 'a processing system () communicatively coupled to a meter assembly () having the fluid, the processing system () being configured to220. The meter electronics () of claim 1 , wherein the fluid is a multi-component fluid comprised of hydrocarbon components.320. The meter electronics () of claim 2 , wherein the hydrocarbon components are comprised of at least two of propane claim 2 , butane claim 2 , and hexane.420200200. The meter electronics () of claim 1 , wherein the processing system () being configured to derive the vapor pressure from the measured density comprises the processing system () being configured to utilize previously determined correlations between a plurality of vapor pressures and a plurality of densities.520200200. The meter electronics () of claim 4 , wherein the processing system () being configured to utilize previously the determined ...

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Номер записи: 67
26-03-2020 дата публикации

Method for Determining the Gas Portion in the Medium Flowing through a Coriolis Mass Flowmeter

Номер: US20200096374A1
Автор: Kunze Johannes, Storm Ralf
Принадлежит:

A method for determining the gas portion in the medium flowing through a Coriolis mass flowmeter, wherein the Coriolis mass flowmeter has at least one measuring tube, at least one oscillation generator, at least two oscillation sensors and at least one control and evaluation unit, wherein the method is characterized in that the density value ρof the gas-free medium is determined in a ρstep, that the density value ρof the medium flowing through the measuring tube is measured in a ρstep, that a quantity GVQ for the gas portion of the medium flowing through the measuring tube is calculated in a GVQ step with the density value ρand the density value ρ, and that the quantity GVQ is output for the gas portion of the medium flowing through the measuring tube. 1. A method for determining the gas portion in the medium flowing through a Coriolis mass flowmeter , wherein the Coriolis mass flowmeter has at least one measuring tube , at least one oscillation generator , at least two oscillation sensors and at least one control and evaluation unit , the method comprising:{'sub': '100', 'determining a density value ρof the gas-free medium;'}{'sub': 'mess', 'determining a density value ρof the medium flowing through the at least one measuring tube{'sub': 100', 'mess, 'calculating a quantity GVQ for the gas portion of the medium flowing through the at least one measuring tube with the density value ρand the density value ρ; and'}outputting the quantity GVQ for the gas portion of the medium flowing through the at least one measuring tube.22. The method according to claim 1 , further comprising continuously determining an indicator variable Ifor the presence of gas inclusions in the medium flowing through the at least one measuring tube during operation of the Coriolis mass flowmeter ().3. The method according to claim 2 , wherein the step of determining the density of the medium flowing gas-free medium is carried out by measuring the density of the medium flowing through the at least ...

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Номер записи: 68
13-04-2017 дата публикации

CORIOLIS MASS FLOW METER

Номер: US20170102257A1
Автор: Murakami Eiichi, Suzuki Yoshiaki
Принадлежит:

A first magnetic holder is attached to a U-shaped curved tube portion of a synthetic resin made measurement tube, and a magnetomotive body having a magnetic pole surface facing forward is embedded in a distal end of the first magnetic holder. A second magnetic holder is provided on a substrate at a position facing the distal end of the first magnetic holder with a space apart therefrom. The second magnetic holder includes a permanent magnet disposed to face the magnetomotive body in the first magnetic holder with a magnetic pole surface facing toward the first magnetic holder, so that the magnetic pole surface having a magnetic pole opposite to that of the magnetomotive body face each other. The permanent magnet of the second magnetic holder retains the curved tube portion of the measurement tube elastically with a space apart therefrom by attracting the magnetomotive body with a magnetic attraction force. 1. A Coriolis mass flow meter comprising: a magnetism retaining portion that retains predetermined positions of the measurement tube with a space apart therefrom;', 'a vibration exciter unit configured to vibrate the measurement tube; and', 'a displacement detecting unit that detects displacement of the measurement tube at two positions on an outbound tube and an inbound tube of the measurement tube,', 'wherein the magnetism retaining portion provides a magnetic attraction force and a magnetic repulsive force to a magnetomotive body attached to the measurement tube or the measurement tube itself formed of a magnetomotive body or a ferromagnetic body to retain the measurement tube with a space apart therefrom., 'a measurement tube that allows passage of fluid to be measured in one direction;'}2. The Coriolis mass flow meter according to claim 1 , wherein the measurement tube is formed of a synthetic resin.3. The Coriolis mass flow meter according to claim 1 , wherein the magnetomotive body attached to the measurement tube is a permanent magnet or a ferromagnetic ...

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Номер записи: 69
13-04-2017 дата публикации

VIBRATORY FLOW METER AND METHOD TO GENERATE DIGITAL FREQUENCY OUTPUTS

Номер: US20170102258A1
Автор: Hays Paul J.
Принадлежит: Micro Motion, Inc.

A device and method to generate digital serial frequency outputs in a Coriolis flow meter is provided. The present invention provides the theoretically lowest jitter for a given input clock, the highest possible pulse count accuracy, the highest possible absolute accuracy, easily implementable other aspects (including Quadrature, pulse width, etc.) and requires no specialized external hardware, and is, therefore, implemented with commonly available serial output hardware found in most microcontrollers. 1. A method to generate a frequency output on a microcontroller comprising:initializing an input clock signal having a predetermined period;calculating a parameter based on the predetermined period;calculating a desired frequency based on the parameter and a predetermined flow rate-frequency scaling; each fractional pulse of the plurality of fractional pulses is calculated based on the desired frequency, the predetermined period of the input clock signal, and a value of a preceding fractional pulse, and', 'outputting the desired frequency by toggling an output state when the calculated fractional pulse is greater than or equal to half of an output pulse period., 'calculating a plurality of fractional pulses, wherein'}2. The method of claim 1 , wherein if the preceding fractional pulse is an initial fractional pulse claim 1 , the value of the preceding fractional pulse is set to zero.3. The method of claim 1 , wherein the output pulse period is calculated based on the predetermined period of the input clock signal claim 1 , the calculated parameter claim 1 , and the predetermined flow rate-frequency scaling.4. The method of claim 1 , wherein the meter electronics are configured to measure an instantaneous flow rate.5. The method of claim 1 , wherein the meter electronics are configured to measure a total integrated flow based on the number of toggled output states and the predetermined flow rate-frequency scaling.6. The method of claim 1 , wherein the parameter ...

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Номер записи: 70
28-04-2016 дата публикации

Vibratory flowmeter and method for meter verification

Номер: US20160116319A1
Автор: Christopher George Larsen, Matthew Joseph Rensing, Timothy J Cunningham
Принадлежит: Micro Motion Inc

A vibratory flowmeter ( 5 ) for meter verification is provided, including meter electronics ( 20 ) configured to vibrate the flowmeter assembly ( 10 ) in a primary vibration mode using the first and second drivers ( 180 L, 180 R), determine first and second primary mode currents ( 230 ) of the first and second drivers ( 180 L, 180 R) for the primary vibration mode and determining first and second primary mode response voltages ( 231 ) generated by the first and second pickoff sensors ( 170 L, 170 R) for the primary vibration mode, generate a meter stiffness value ( 216 ) using the first and second primary mode currents ( 230 ) and the first and second primary mode response voltages ( 231 ), and verify proper operation of the vibratory flowmeter ( 5 ) using the meter stiffness value ( 216 ).

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Номер записи: 71
26-04-2018 дата публикации

DEVICE FOR MEASURING FLUID PARAMETERS, A METHOD FOR MEASURING FLUID PARAMETERS AND A COMPUTER PROGRAM PRODUCT

Номер: US20180113014A1
Автор: Karabacak Devrez Mehmet, SINGER Johannes Maria
Принадлежит: Fugro Technology B.V.

The invention relates to a device for measuring fluid parameters, comprising a Coriolis flow meter. The meter comprises a flow tube and an actuator forcing the flow tube into vibration and/or rotation. Further, the meter comprises a displacement sensor for sensing a displacement of the flow tube. The displacement sensor is arranged for measuring an optical fiber length change. 1. A device for measuring fluid parameters , comprising:a Coriolis flow meter, comprising a flow tube, an actuator forcing the flow tube into vibration and/or rotation and a displacement sensor for sensing a displacement of the flow tube, wherein the displacement sensor is arranged for measuring an optical fiber length change.2. The device according to claim 1 , wherein the displacement sensor comprises a strain sensitive optical fiber claim 1 , wherein the strain sensitive optical fiber is one of a Fiber Bragg Grating (FBG) fiber claim 1 , a multicore fiber claim 1 , a birefringent fiber claim 1 , a distributed sensing fiber or a fiber laser.3. The device according to claim 2 , wherein the strain sensitive section of the optical fiber has a diameter that is smaller than the diameter of the optical fiber at adjacent sections.4. The device according to claim 1 , wherein the displacement sensor is arranged for measuring an optical path length change.5. The device according to claim 4 , wherein the displacement sensor includes a Fabry-Perot interferometer configuration or a Mach-Zehnder interferometer configuration.6. The device according to claim 1 , wherein the displacement sensor includes an optical fiber that is fixed to an exterior wall of the flow tube.7. The device according to claim 1 , comprising a first displacement sensor for measuring a displacement at a first location of the flow tube claim 1 , and a second displacement sensor for measuring a displacement at a second location of the flow tube.8. The device according to claim 1 , wherein the displacement sensor is arranged for sensing ...

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Номер записи: 72
09-04-2020 дата публикации

Force compensation for a vibrating flowmeter and related method

Номер: US20200109979A1
Автор: Brahmendra Sarma DASAKA
Принадлежит: Micro Motion Inc

A fluid measurement system (3) is provided having a Coriolis flowmeter (5) with a meter electronics (20) comprising a processing system (303) and a storage system (304). The Coriolis flowmeter (5) has a sensor assembly (10) comprising conduits (103A, 103B), wherein the sensor assembly (10) is in communication with meter electronics (20). The Coriolis flowmeter (5) has a plurality of pickoffs (105, 105′) affixed to the conduits (103 A, 103B), that are in communication with the meter electronics (20). The Coriolis flowmeter (5) has a driver (104) affixed to the conduits (103A, 103B) that is in communication with the meter electronics (20). A gyroscopic sensor is in communication with the meter electronics (20). At least one actuator (406X, 406 Y, 406Z, 412) is coupled to the Coriolis flowmeter (5). The meter electronics (20) is configured to measure a fluid flow of a process fluid under acceleration through the sensor assembly (10).

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Номер записи: 73
09-04-2020 дата публикации

FREQUENCY SPACINGS TO PREVENT INTERMODULATION DISTORTION SIGNAL INTERFERENCE

Номер: US20200109980A1
Автор: Cunningham Timothy J., RENSING Matthew Joseph
Принадлежит: Mocro Motion, Inc.

A system () for determining frequency spacings to prevent intermodulation distortion signal interference is provided. The system () includes a sensor assembly () and a meter verification module () communicatively coupled to the sensor assembly (). The meter verification module () is configured to determine a frequency of a first signal to be applied to a sensor assembly () of a vibratory meter and set a demodulation window about the frequency of the first signal. The meter verification module () is also configured to determine a frequency of the second signal to be applied to the sensor assembly such that a frequency of an intermodulation distortion signal generated by the first signal and the second signal is outside the demodulation window. 1800800. A system () for determining frequency spacings to prevent intermodulation distortion signal interference , the system () comprising:{'b': '810', 'a sensor assembly (); and'}{'b': 820', '810', '820, 'claim-text': [{'b': '810', 'determine a frequency of a first signal to be applied to the sensor assembly () of a vibratory meter;'}, 'set a demodulation window about the frequency of the first signal; and', 'determine a frequency of the second signal to be applied to the sensor assembly such that a frequency of an intermodulation distortion signal generated by the first signal and the second signal is outside the demodulation window., 'a meter verification module () communicatively coupled to the sensor assembly (), the meter verification module () being configured to2800820. The system () of claim 1 , wherein the meter verification module () is further configured to:determine a bandwidth that includes the frequency of the first signal; anddetermine the frequency of the second signal such that the frequency of the second signal is within the bandwidth that includes the frequency of the first signal.3800. The system () of claim 2 , wherein the bandwidth is a frequency response bandwidth of the sensor assembly.4800. The ...

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Номер записи: 74
04-05-2017 дата публикации

CORIOLIS MASS FLOW METER

Номер: US20170122787A1
Автор: Murakami Eiichi
Принадлежит:

A locking portion is attached on a curved tube portion of a measurement tube, and a hole portion is formed at a distal end of the locking portion in a vertical direction, and a conical depression is provided on an inner wall surface on outside of the hole portion. A coupling ring of a coupling portion engages the hole portion, and a pivot needle, coming into abutment with the conical depression abuts from an inner wall surface of the coupling ring which faces the conical depression. The other end of the coupling ring is elastically attracted toward a fixing portion via an elastic member formed of an extension spring. 1. A Coriolis mass flow meter comprising:a measurement tube that allows passage of fluid to be measured in one direction;a fixing portion disposed at a predetermined position with respect to the measurement tube;an elastic member disposed between the measurement tube and the fixing portion;a vibration exciter unit configured to vibrate the measurement tube; anda displacement detecting unit that detects displacement of the measurement tube at two positions on an outbound tube and an inbound tube of the measurement tube, wherein the fixing portion elastically retains the measurement tube via the elastic member.2. The Coriolis mass flow meter according to claim 1 , wherein the measurement tube is formed of a synthetic resin.3. The Coriolis mass flow meter according to claim 1 , wherein retention of the measurement tube is effected on a curved tube portion provided at a midpoint between the outbound tube and the inbound tube.4. The Coriolis mass flow meter according to claim 3 , wherein the curved tube portion is provided with a locking portion for attaching the elastic member thereto.5. The Coriolis mass flow meter according to claim 4 , wherein the elastic member elastically retains the measurement tube by acting on the locking portion in a direction parallel to a plane connecting the outbound tube and the inbound tube.6. The Coriolis mass flow meter ...

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Номер записи: 75
25-08-2022 дата публикации

Fixing device for flowmeter component

Номер: US20220268614A1
Автор: Chunli Ma, Tao Wang, Weijia Fang
Принадлежит: WALSN ENTERPRISES Ltd, Walsn Measurement And Control Technology (hebei) Co Ltd

A fixing device for a flowmeter component is provided. It includes two fixing supports respectively fixed on two sides of the flowmeter component. Each fixing support is formed with a connecting arc, and the connecting arc is axisymmetric about a vertical direction. When the flowmeter component is a driver on a Coriolis mass flowmeter, the two fixing supports are fixed to two sides of the driver respectively, and the driver is fixed to flow tubes of the Coriolis mass flowmeter through the connecting arcs on the two fixing supports, to complete installation and fixation of the driver. This structure can make the connection stiffness of each the fixing support and the flow tube be symmetrical about middle plane of the flow tube, thereby avoid undesirable deformation caused by vibration in a working process of the flow tube, and improve zero-point stability and overall performance of the Coriolis mass flowmeter.

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Номер записи: 76
16-04-2020 дата публикации

CORIOLIS FLOW METER FOR MEASURING PROPERTIES OF A FLUID AND METHOD THEREFOR

Номер: US20200116612A1
Автор: Lang Philipp, Ruetten Jens, Seeley Charles Erklin
Принадлежит: GENERAL ELECTRIC COMPANY

A Coriolis flow meter for measuring one or more properties of a fluid is described herein which involves a modular configuration, and includes a fluid flow sub-system and a mechanical oscillator sub-system, both functionally separate, and are coupled in a closed loop arrangement, such that the flow conduit is not directly vibrated, and instead receives induced oscillations from the mechanical oscillator sub-system. The Coriolis flow meter is useful for high purity applications, as well as for the bioprocessing applications. Bioprocessing systems incorporating the Coriolis flow meter are also described herein. Method for measuring one or more properties of a fluid using the disclosed Coriolis flow meter are also described herein. 134-. (canceled)35. A Coriolis flow meter for measuring one or more properties of a fluid , the Coriolis flow meter comprising: a flow conduit configured to provide a flow path for the fluid,', 'one or more actuators configured for generating oscillations in the fluid through the flow conduit, and', 'one or more sensors configured for receiving a Coriolis response from the fluid through the flow conduit,, 'a disposable-part sub-system comprisingwherein at least one the flow conduit, the one or more actuators, or the one or more sensors is configured as a disposable part; andan electronics circuitry coupled to the disposable-part sub-system, and configured to trigger the one or more actuators and the one or more sensors, and configured to process the Coriolis response received from the one or more sensors to generate one or more measurements representative of the one or more properties of the fluid.36. The Coriolis flow meter of wherein the flow conduit is the disposable part.37. The Coriolis flow meter of wherein a combination of the one or more actuators and the one or more sensors is the disposable part.38. The Coriolis flow meter of wherein a combination of the flow conduit claim 35 , the one or more actuators and the one or more sensors ...

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Номер записи: 77
11-05-2017 дата публикации

APPARATUS FOR DETERMINING A DIFFERENTIAL ZERO OFFSET IN A VIBRATING FLOWMETER AND RELATED METHOD

Номер: US20170131128A1
Автор: Hill Christopher Douglas, Zimmer Patrick John
Принадлежит: Micro Motion, Inc.

A method for operating a system configured to consume a fluid, such as engine fuel, having at least two flowmeters is provided. The method includes the step of recirculating a fluid in a closed loop having a supply-side flowmeter and return-side flowmeter, such that substantially no fluid is consumed. Fluid flow is measured in the supply-side flowmeter and the return-side flowmeter. Fluid flow measurements are compared between the supply-side flowmeter and return-side flowmeter, and a first differential zero value based on the difference in the fluid flow measurements between the supply-side flowmeter and return-side flowmeter is determined. A first temperature sensor signal value is received and is associated with the first differential zero value. The first differential zero value associated with the first temperature sensor signal value is stored in a meter electronics. 1. A method for operating a system configured to consume a fluid , having at least two flowmeters , comprising the steps of:recirculating a fluid in a closed loop having a supply-side flowmeter and return-side flowmeter, such that substantially no fluid is consumed;measuring a fluid flow in the supply-side flowmeter and the return-side flowmeter;comparing fluid flow measurements between the supply-side flowmeter and return-side flowmeter;determining a first differential zero value based on a difference in the fluid flow measurements between the supply-side flowmeter and return-side flowmeter;receiving a first temperature sensor signal value;associating the first differential zero value with the first temperature sensor signal value; andstoring the first differential zero value associated with the first temperature sensor signal value in a meter electronics.2. The method for operating the system configured to consume a fluid of claim 1 , wherein multiple differential zero values are determined for the first temperature sensor signal value claim 1 , each at different time points claim 1 , and are ...

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Номер записи: 78
02-05-2019 дата публикации

MULTI-CHANNEL FLOW TUBE

Номер: US20190128719A1
Автор: BELL Mark James, SCHLOSSER Martin Andrew, SCHOLLENBERGER Frederick Scott, WEINSTEIN Joel
Принадлежит: Micro Motion, Inc.

A vibratory meter () including a multi-channel flow tube () is provided. The vibratory meter () includes a meter electronics () and a meter assembly () communicatively coupled to the meter electronics (). The meter assembly () includes the multi-channel flow tube () comprising two or more fluid channels () surrounded by a tube wall (). The two or more fluid channels () and tube wall () comprise a single integral structure. A driver () is coupled to the multi-channel flow tube (). The driver () is configured to vibrate the multi-channel flow tube (). The two or more fluid channels () and tube wall () are configured to deform in the same direction as the single integral structure in response to a drive signal applied to the driver (). 151305. A vibratory meter () including a multi-channel flow tube () , the vibratory meter () comprising:{'b': '20', 'a meter electronics (); and'}{'b': 10', '20, 'claim-text': [{'b': '10', 'the meter assembly () comprising, {'b': 130', '330', '430', '530', '132', '332', '432', '532', '134', '334', '434', '534', '132', '332', '432', '532', '134', '334', '434', '534, 'the multi-channel flow tube (, , , ) comprising two or more fluid channels (, , , ) surrounded by a tube wall (, , , ), wherein the two or more fluid channels (, , , ) and tube wall (, , , ) comprise a single integral structure; and'}, {'b': 180', '130', '330', '430', '530', '180', '130', '330', '430', '530, 'a driver () coupled to the multi-channel flow tube (, , , ), the driver () being configured to vibrate the multi-channel flow tube (, , , );'}, {'b': 132', '332', '432', '532', '134', '334', '434', '534', '180, 'wherein the two or more fluid channels (, , , ) and tube wall (, , , ) are configured to deform in a same direction as the single integral structure in response to a drive signal applied to the driver ().'}], 'a meter assembly () communicatively coupled to the meter electronics (),'}25132136130. The vibratory meter () of claim 1 , wherein the two or more fluid ...

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Номер записи: 79
23-04-2020 дата публикации

SENSOR FOR MEASURING THE MASS FLOW RATE OF A FLOWABLE MEDIUM

Номер: US20200124453A1
Автор: HUBER Christof, Mundschin Dieter, Ramseyer Severin, SCHÜTZE Christian, Schwenter Benjamin, Werner Marc
Принадлежит:

A mass flow sensor includes: a vibratory measurement tube bent in a tube plane; a vibration exciter for exciting bending vibrations in a bending vibration use-mode; two vibration sensors for sensing vibrations; a support system having a support plate, bearing bodies on the inlet and sides; and a sensor housing, wherein: the support system has support system vibration modes which include elastic deformations of the support plate; the measurement tube is connected fixedly to the support plate by the bearing body on the inlet side and by the bearing body on the outlet side; and the support plate has a number of spring-loaded bearings exposed through cut-outs in the support plate by which the support plate is mounted on the sensor housing with degrees of vibrational freedom, the natural frequencies of which are lower than a use-mode natural frequency of the bending vibration use-mode. 116-. (canceled)17. A vibration sensor for measuring the mass flow rate of a flowable medium , the sensor comprising:a vibratory measurement tube structured to guide the medium therethrough, the measurement tube having an inlet end and an outlet end, wherein the measurement tube is bent in a rest position between the inlet end and the outlet end in a tube plane;a line inlet section;a line outlet section;at least one vibration exciter configured to excite bending vibrations of the measurement tube in a bending vibration use-mode;two vibration sensors configured to detect vibrations of the measurement tube;a support system including a support plate, an inlet bearing body at an inlet side of the support plate and an outlet bearing body on an outlet side of the support plate, the support system having support system vibration modes comprising elastic deformations of the support plate; and the measurement tube is fixedly connected to the support plate via the inlet bearing body and the outlet bearing body and is bordered by the inlet and outlet bearing bodies;', 'the measurement tube is ...

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Номер записи: 80
03-06-2021 дата публикации

METHOD FOR DETERMINING THE VISCOSITY OF A MEDIUM BY MEANS OF A CORIOLIS MASS FLOW METER AND CORIOLIS MASS FLOW METER FOR PERFORMING THE METHOD

Номер: US20210164821A1
Автор: Schäfer Bernd Josef, ZHU Hao
Принадлежит:

Disclosed is a method for determining the viscosity of a medium using a Coriolis mass flow meter, comprising: exciting bending vibrations in the measuring tube in a symmetrical bending vibration use mode using an exciter arranged symmetrically in relation to a longitudinal direction of the measuring tube; detecting sensor signals of a central vibration sensor also arranged symmetrically in relation to a longitudinal direction of the measuring tube; detecting sensor signals of a vibration sensor on the inlet side and of a vibration sensor on the outlet side; determining a phase relation or time delay between the sensor signals of the central vibration sensor and a symmetrical function of the sensor signals on the inlet-side and outlet-side vibration sensors. Determining the viscosity of the medium as a function of said phase relation or time delay. 110-. (canceled)11. A method for determining the viscosity of a medium using a Coriolis mass flow meter , the method comprising:exciting bending vibrations of at least one measuring tube of the mass flow meter in a symmetrical bending vibration wanted mode using an exciter arranged symmetrically in relation to a longitudinal direction of the measuring tube, wherein the measuring tube is used to guide the medium between an inlet opening and an outlet opening of the measuring tube;detecting sensor signals of a central vibration sensor, wherein the central vibration sensor is arranged symmetrically in relation to a longitudinal direction of the measuring tube;detecting sensor signals of an inlet-side vibration sensor and an outlet-side vibration sensor, wherein, in relation to the longitudinal direction of the measuring tube, the positions of the inlet-side and outlet-side vibration sensors are arranged symmetrically with respect to one another;ascertaining a phase relationship or time delay between the sensor signals of the central vibration sensor and a symmetric function of the sensor signals of the inlet-side and outlet- ...

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Номер записи: 81
03-06-2021 дата публикации

DETECTING A CHANGE IN A VIBRATORY METER BASED ON TWO BASELINE METER VERIFICATIONS

Номер: US20210164826A1
Автор: DOWNING Bert J., McAnally Craig B.
Принадлежит: Micro Motion, Inc.

A meter electronics () for detecting a change in a vibratory meter () based on two or more baseline meter verifications is provided. The meter electronics () comprises an interface () configured to receive sensor signals () from a meter assembly () and provide information based on the sensor signals (), and a processing system () communicatively coupled to the interface (), said processing system () being configured to use the information to determine a first baseline meter verification value at a first set of process conditions, determine a second baseline meter verification value at a second set of process conditions, and determine a baseline meter verification value based on the first baseline meter verification value and the second baseline meter verification value. 120520. A meter electronics () for detecting a change in a vibratory meter () based on two or more baseline meter verifications , the meter electronics () comprising:{'b': 201', '100', '10', '100, 'an interface () configured to receive sensor signals () from a meter assembly () and provide information based on the sensor signals (); and'}{'b': 202', '201', '202, 'claim-text': determine a first baseline meter verification value at a first set of process conditions;', 'determine a second baseline meter verification value at a second set of process conditions; and', 'determine a baseline meter verification value based on the first baseline meter verification value and the second baseline meter verification value., 'a processing system () communicatively coupled to the interface (), said processing system () being configured to use the information to220202202. The meter electronics () of claim 1 , wherein the processing system () being configured to determine the first baseline meter verification value and the second baseline meter verification value comprises the processing system () being configured to determine one of a first baseline stiffness value and a second baseline stiffness value claim 1 , and ...

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Номер записи: 82
30-04-2020 дата публикации

VIBRATORY FLOWMETER AND METHOD FOR METER VERIFICATION

Номер: US20200132529A1
Автор: Cunningham Timothy J., Larsen Christopher George, RENSING Matthew Joseph
Принадлежит: Micro Motion, Inc.

A vibratory flowmeter () for meter verification is provided, including meter electronics () configured to vibrate the flowmeter assembly () in a primary vibration mode using the first and second drivers (L, R), determine first and second primary triode currents () of the first and second drivers (L, R) for the primary vibration mode and determining first and second primary mode response voltages () generated by the first and second pickoff sensors (L, R) for the primary vibration mode, generate a meter stiffness value () using the first and second primary mode currents () and the first and second primary mode response voltages (), and verify proper operation of the vibratory flowmeter () using the meter stiffness value (). 1. A meter verification method for a vibratory flowmeter , with the method comprising:vibrating a flowmeter assembly of the vibratory flowmeter in a primary vibration mode using a first driver and at least a second driver;determining first and second primary mode currents of the first and second drivers for the primary vibration mode and determining first and second primary mode response voltages of first and second pickoff sensors for the primary vibration mode;generating a meter stiffness value using the first and second primary mode currents and the first and second primary mode response voltages; andverifying proper operation of the vibratory flowmeter using the meter stiffness value.2. The method of claim 1 , with the first driver current and the second driver current comprising commanded current levels.3. The method of claim 1 , with the first driver current and the second driver current comprising measured current levels.1. The method of claim 1 , with the first response voltage and the second response voltage comprising substantially maximum response voltages quantified by the first and second pickoff sensors.5. The method of claim 1 , wherein the second driver is uncorrelated with the first driver.6. The method of claim 1 , with verifying ...

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Номер записи: 83
10-06-2021 дата публикации

INTERFACE FOR CONNECTING A FLUID MEASUREMENT POINT AND A MODULAR FLUID MEASUREMENT SYSTEM

Номер: US20210172781A1
Автор: Chevrolet Jean-Claude, Ramseyer Severin, SCHÜTZE Christian
Принадлежит:

An interface adapted for connecting a fluid measurement point includes a body including at least two connection locations, wherein the body has fluid ducts, each of which has a connection location, wherein the fluid ducts have at their connection locations first duct axes, wherein the connection locations are especially coplanar, wherein the connection locations are adapted for connecting process connectors from a connection direction for sealed communication with the fluid ducts, wherein the fluid ducts are adapted via the process connectors to supply, and drain, a medium, respectively, to and from the fluid measurement point, wherein the interface has at least one holding element for releasably securing at least one process connector to the body, wherein the holding element has at least one process connector seat, wherein the holding element is adapted to be moved into an end position (EP) effecting the securement. 119-. (canceled)20. An interface configured for connecting a fluid measurement point , the interface comprising:a body including at least two connection locations, wherein the body includes fluid ducts, each of which has a connection location, wherein the fluid ducts have at their respective connection locations first duct axes, wherein the at least two connection locations are configured to enable connecting process connectors from a connection direction as to provide sealed communication with the fluid ducts, wherein the fluid ducts are configured to supply and drain a medium to and from the fluid measurement point via the process connectors; anda holding element configured to releasably secure at least one process connector to the body, wherein the holding element has at least one process connector seat, wherein the holding element is configured to be translated into an end position to effect securing the at least one process connector to the body.21. The interface of claim 20 , wherein the body includes for each connection location a first support ...

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Номер записи: 84
10-06-2021 дата публикации

Coriolis Meter

Номер: US20210172782A1
Автор: Gysling Daniel
Принадлежит:

In accordance with example embodiments of the present disclosure, a method for determining parameters for, and application of, models that correct for the effects of fluid inhomogeniety and compressibility on the ability of Coriolis meters to accurately measure the mass flow and/or density of a process fluid on a continuous basis is disclosed. Example embodiments mitigate the effect of multiphase fluid conditions on a Coriolis meter. 1. A Coriolis flowmeter comprising:at least one conduit for conveying a process-fluid having a process parameter to be measured; andexcitation circuitry coupled to said at least one conduit operable to provide at least two vibration frequencies to said at least one conduit; anda system for measuring the sound speed of said process-fluid; anda system for measuring the vibration characteristics of at least two vibrational modes of said at least one conduit; whereina measurement of a process parameter is interpreted by said sound speed and vibration characteristics of at least two vibrational modes of said at least one conduit.2. The Coriolis flowmeter of wherein said excitation circuitry provides at least two vibration frequencies to one conduit.3. The Coriolis flowmeter of further comprising at least a first and at least a second conduit for conveying a process-fluid to be measured; whereinsaid excitation circuitry vibrates said at least a first conduit at a first vibration frequency and said at least a second conduit at a second vibration frequency.4. The Coriolis flowmeter of wherein said process parameter is density of said process-fluid.5. The Coriolis flowmeter of wherein said process parameter is mass flow of said process-fluid.6. The Coriolis flowmeter of wherein said system for measuring the sound speed of said process-fluid is an array of sensors responsive to pressure variations within the process fluid—deployed on one or more of said at least one conduit.7. The Coriolis flowmeter of wherein said array of sensors responsive to ...

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Номер записи: 85
24-05-2018 дата публикации

METHOD OF ASSEMBLING A TUNING FORK OR A CORIOLIS MASS FLOWMETER, PRODUCT AND INTERMEDIATE PRODUCT OF THIS METHOD

Номер: US20180143053A1
Автор: AMANN Matthias, REINSHAUS Peter, RICKEN Martin, SCHUBACH Stefan
Принадлежит:

A tuning fork, particularly for a Coriolis mass flowmeter, and method of assembly comprising providing a first and a second measuring tube; providing a driver holder per measuring tube; providing at least one sensor holder per measuring tube; providing a first bracket part and fixing it to opposing portions of said first and second measuring tube such that said bracket part forms a bridge between said measuring tubes at positions corresponding to said driver holders; providing at least one second bracket part and fixing it to opposing portions of said first and second measuring tube such that said second bracket part forms a bridge between said measuring tubes at positions corresponding to said sensor holders; fixing at least one additional part of the tuning fork to the bracketed measuring tubes; severing said first bracket part; and severing said second bracket part. The disclosure additionally provides a tuning fork pre-stage. 1. A method of assembling a tuning fork of a Coriolis mass flowmeter , the completed tuning fork comprising:a first and a second measuring tube running at least partly essentially parallel to each other;a driver holder per measuring tube which is attached to a respective one of the measuring tubes and which is adapted to hold a driver unit in a position suitable to induce oscillation of the respective measuring tube;at least one sensor holder per measuring tube which is attached to a respective one of the measuring tubes and which is adapted to hold a sensor in a position suitable to detect oscillation of the respective measuring tube; providing a first bracket part and fixing it to opposing portions of said first and second measuring tube such that said bracket part forms a bridge between said measuring tubes at positions corresponding to the positions of said driver holders in the completed tuning fork;', 'providing at least one second bracket part and fixing it to opposing portions of said first and second measuring tube such that said ...

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Номер записи: 86
04-06-2015 дата публикации

Fuel dispenser coriolis flow meter

Номер: US20150153210A1
Автор: Andrew R. Krochmal, Brent K. Price, Jack Francis Bartlett
Принадлежит: Gilbarco Inc

A Coriolis flow meter having a first end structure, a second end structure, and a flow path extending therebetween. The first and second end structures are connectable with a conduit such that fluid flowing in the conduit enters at one of the first and second end structures, travels along the flow path, and exits at the other of the first and second end structures. The flow path has a measurement tube having first and second ends and a damper assembly. The damper assembly has at least one damper element disposed between the first end structure and the measurement tube first end. The measurement tube is not fixed with respect to the first end structure. At least one transducer is coupled with the measurement tube and is operative to sense vibration of the measurement tube and output electrical signals representative thereof.

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Номер записи: 87
25-05-2017 дата публикации

INTEGRATED CORIOLIS MASS FLOW METERS

Номер: US20170146380A1
Автор: Lin Jianren, Young Alan M.
Принадлежит:

An integrated flow meter includes a support and one or more flow sensitive member(s) integrated with the support. The support is formed by using an injection molding process that overmolds material over an outer surface of the flow sensitive member(s). The materials for the support and for the flow sensitive member(s) preferably are polymeric materials. 1. An integrated Coriolis mass flow meter , comprising:a flow sensitive member, the flow sensitive member having two tubular legs; anda support over-molded over the flow sensitive member, wherein each of the tubular legs extends through the support, the support clamping each of the tubular legs.2. The integrated Coriolis mass flow meter of claim 1 , wherein the flow sensitive member has a tubular cross section.3. The integrated Coriolis mass flow meter of claim 2 , wherein a thickness of a wall of the flow sensitive member is less than 1 mm.4. The integrated Coriolis mass flow meter of claim 1 , wherein the flow sensitive member is a tubular flow sensitive member.5. The integrated Coriolis mass flow meter of claim 4 , wherein the tubular flow sensitive member is an integral flow sensitive member constructed of a single material.6. The integrated Coriolis mass flow meter of claim 4 , wherein the tubular flow sensitive member has a shape without corners.7. The integrated Coriolis mass flow meter of claim 4 , wherein the tubular flow sensitive member has a shape that is curvilinear.8. The integrated Coriolis mass flow meter of claim 4 , wherein the tubular flow sensitive member is constructed from a polymeric material.9. The integrated Coriolis mass flow meter of claim 8 , wherein the polymeric material is selected from a group consisting of Perfluoroalkoxy alkanes (PFAs) claim 8 , Polyetheretherketone (PEEK) claim 8 , polyvinylidene difluoride (PVDF) claim 8 , Polytetrafluoroethylene (PTFE) claim 8 , and Fluorinated ethylene propylene (FEP.)10. The integrated Coriolis mass flow meter of claim 8 , wherein the material ...

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Номер записи: 88
15-09-2022 дата публикации

METHOD FOR COMPENSATING THE INFLUENCE OF THE REYNOLDS NUMBER ON THE MEASUREMENT OF A CORIOLIS MASS FLOW METER, AND CORRESPONDING DEVICE

Номер: US20220291033A1
Автор: REINSHAUS Peter
Принадлежит:

A method for compensating the influence of at least one of the parameters from the group consisting of flow rate, viscosity, density and Reynolds number of a fluid to be measured on the measured flow rate and/or density of this fluid in a Coriolis mass flow meter with the aid of an equation using the parameters of the current Reynolds number of the fluid to be measured in the Coriolis mass flow meter, the maximum compensation value for Reynolds numbers approaching zero, the Reynolds number at which the curve of the compensation value has the largest slope, and the slope of the curve of the compensation value at the point Re. Moreover, the invention relates to a Coriolis mass flow meter with a control device for carrying out the method. 110-. (canceled)21211. The method according to claim , wherein determining the compensation value (M(Re)) and correcting the measured value is performed during operation of the Coriolis mass flow meter by a control device of the Coriolis mass flow meter.31311. The method according to claim , wherein for correcting the measured value , the compensation value (M(Re)) is interpreted as a relative deviation of the measured value , in particular as a negative relative deviation , and that the absolute deviation determined from it is added to the measured value.41411. The method according to claim , comprising acquiring the value of a current Reynolds number (Re) of the fluid to be measured in the Coriolis mass flow meter during operation.61615. The method according to claim , wherein the experimental determining is performed exclusively in a range in which the fluid to be measured in the Coriolis mass flow meter has a Reynolds number (Re) of the order of magnitude of Reup to at least 10 , in particular in a range in which the lower limit for the Reynolds number (Re) corresponds exactly to Re.91911. The method according to claim , wherein the determining of the compensation value (M(Re)) is performed for a plurality of Reynolds numbers (Re) ...

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Номер записи: 89
16-05-2019 дата публикации

SYSTEM USING FLOW VIBRATION DETECTION AND METHOD

Номер: US20190145207A1
Автор: "OConnor Keven", McMahon Sean, Munshi Ammar A., Russell Ronnie
Принадлежит: Baker Hughes, a GE company, LLC

A system includes a tubular having an interior surface, a longitudinal axis, a flowbore, and a main portion having a first inner diameter. A vibration inducing feature is disposed along the interior surface of the tubular and is immovable with respect to the tubular, and has a second inner diameter within the tubular that is different than the first inner diameter. The feature has a beveled first end surface and a beveled second end surface, the beveled first and second end surfaces longitudinally displaced from each other. The feature is configured to increase turbulence within the flowbore and configured to dissuade a capture of objects passing therethrough. A sensing system includes a sensor arranged to detect vibration within flow passing the vibration inducing feature, and is configured to output a command signal in response to sensed data reaching a threshold value or indicative of a predetermined pattern. 1. A system comprising:a tubular having an interior surface, a longitudinal axis, a flowbore, and a main portion having a first inner diameter;a vibration inducing feature disposed along the interior surface of the tubular and immovable with respect to the tubular, the vibration inducing feature having a second inner diameter within the tubular, the second inner diameter different than the first inner diameter, the feature having a beveled first end surface and a beveled second end surface, the beveled first and second end surfaces longitudinally displaced from each other, the vibration inducing feature configured to increase turbulence within the flowbore and configured to dissuade a capture of objects passing therethrough; anda sensing system including a sensor arranged to detect vibration within flow passing the vibration inducing feature, the sensing system configured to output a command signal in response to sensed data reaching a threshold value or indicative of a predetermined pattern.2. The system of claim 1 , further comprising a tool claim 1 , ...

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Номер записи: 90
28-08-2014 дата публикации

CORIOLIS FREQUENCY TRACKING

Номер: US20140238149A1
Автор: Duta Mihaela D., Henry Manus P., Tombs Michael S.
Принадлежит: INVENSYS SYSTEMS, INC.

Motion is induced in a conduit such that the conduit vibrates in a major mode of vibration having a major amplitude and a minor mode of vibration having a minor amplitude. The major amplitude is larger than the minor amplitude, the major mode of vibration has a first frequency of vibration and the minor mode of vibration has a second frequency of vibration, and the minor mode of vibration interferes with the major mode of vibration to cause a beat signal having a frequency related to the first frequency of vibration and the second frequency of vibration. The frequency of the beat signal is determined, and the second frequency of vibration is determined based on the determined frequency of the beat signal. 118-. (canceled)19. A method of operating a Coriolis meter , the method comprising:driving motion of a conduit to produce a driven mode of vibration in the conduit;flowing fluid through the conduit while it is vibrating in the driven mode, the flowing fluid producing a Coriolis mode vibration;sensing motion of the conduit at a first position using a first sensor outputting a first sensor signal;sensing motion of the conduit at a second location different from the first location using a second sensor outputting a second sensor signal;determining a mass flow rate of the fluid flowing through the conduit using a phase difference between the first and second sensor signals; andusing a beat frequency produced by interaction between the driven mode and Coriolis mode to determine a frequency of the Coriolis mode vibration.20. A method as set forth in further comprising determining a beat signal by analyzing amplitudes of the first and second sensor signals claim 19 , the beat frequency being the frequency of the beat signal.21. A method as set forth in further comprising determining the beat frequency by: (i) determining a first time at which the amplitude of the beat signal has a predefined value and a second time at which the amplitude of the beat signal has the ...

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Номер записи: 91
22-09-2022 дата публикации

CORIOLIS MEASURING SENSOR AND CORIOLIS MEASURING DEVICE

Номер: US20220299355A1
Автор: Pohl Johan, Ramseyer Severin, Schwenter Benjamin
Принадлежит:

The present disclosure relates to a Coriolis measuring sensor of a Coriolis measuring device for measuring a density or a mass flow of a medium flowing through a pipeline, including: at least one measuring tube for conducting a medium; a support body for supporting the at least one measuring tube; at least one vibration generator for generating measuring tube vibrations; at least two vibration sensors for sensing measuring tube vibrations, wherein the vibration sensors each have at least one permanent magnet and at least one sensor coil, and wherein the vibration generator in each case has at least one permanent magnet and at least one exciter coil, characterized in that the Coriolis measuring sensor includes an amplitude sensor designed to sense a vibration amplitude of the measuring tube vibrations. 110-. (canceled)11. A Coriolis measuring sensor of a Coriolis measuring device configured to measure a density or a mass flow of a medium flowing through a pipeline , the measuring sensor comprising:at least one measuring tube configured to conduct the medium;a support body configured to support the at least one measuring tube;a vibration generator configured to generate measuring tube vibrations in the at least one measuring tube, wherein the vibration generator includes at least one permanent magnet and at least one exciter coil;at least two vibration sensors configured to sense the measuring tube vibrations, wherein the vibration sensors each include at least one permanent magnet and at least one sensor coil; andan amplitude sensor configured to sense a vibration amplitude of the measuring tube vibrations, wherein the amplitude sensor includes a first coil and a second coil that are magnetically coupled and are coaxially aligned with each other,wherein the first coil and the second coil are configured to translate relative to each other along respective coil axes due to the measuring tube vibrations,wherein the first coil is adapted to be supplied with a measurement ...

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Номер записи: 92
23-05-2019 дата публикации

METHOD FOR OPERATING A MEASURING TRANSDUCER OF VIBRATION-TYPE

Номер: US20190154486A1
Автор: RIEDER Alfred, ZHU Hao
Принадлежит:

A method serves for operating a measuring transducer of vibration-type having at least two oscillators, each of which is formed by a pair of measuring tubes, wherein the pairs of measuring tubes are arranged for parallel flow, wherein the two oscillators have mutually independent oscillator oscillations with mutually differing eigenfrequencies for corresponding oscillation modes. The method includes steps of determining a first value of a primary measurement variable, or of a variable derived therefrom, using the first oscillator, determining a second value of the primary measurement variable, or of a variable derived therefrom, using the second oscillator, checking an actual ratio between the first value and the second value by comparison with an expected ratio between the first value and the second value, and outputting a signal when the actual ratio does not correspond to the expected ratio. 19-. (canceled)10. A method for operating a measuring transducer of vibration-type , the method comprising:providing a measuring transducer including at least two oscillators, each of which is formed by a pair of measuring tubes, wherein the pairs of measuring tubes are arranged for parallel flow, wherein the at least two oscillators have mutually independent oscillator oscillations with mutually differing eigenfrequencies for corresponding oscillation modes;determining a first value of a primary measurement variable, or of a variable derived therefrom, using a first oscillator of the at least two oscillators;determining a second value of the primary measurement variable, or of a variable derived therefrom, using a second oscillator of the at least two oscillators;checking an actual ratio between the first value and the second value by comparison with an expected ratio between the first value and the second value; andoutputting a signal when the actual ratio does not correspond to the expected ratio.11. The method of claim 10 , wherein the first value and the second value ...

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Номер записи: 93
23-05-2019 дата публикации

PRESSURE COMPENSATION FOR A VIBRATING FLOWMETER AND RELATED METHOD

Номер: US20190154488A1
Автор: Kolbeck Andrew G., Pruysen Aart R., Sinte Maartensdijk Jacob Andreas, Standiford Dean M.
Принадлежит: Micro Motion, Inc.

A method for calibrating a flowmeter () is provided. A relationship between a flow calibration factor and a pressure coefficient for a class of flowmeter is determined. A unique flow calibration factor is then determined for a flowmeter (). A unique pressure coefficient for the flowmeter () is determined, and the unique pressure coefficient is applied to the flowmeter (). 1. A method for calibrating a flowmeter comprising:determining a relationship between a flow calibration factor and a pressure coefficient value (PCV) for a class of flowmeter;determining a unique flow calibration factor for a flowmeter;calculating a unique pressure compensation value for the flowmeter with the unique flow calibration factor; andapplying the unique pressure compensation value to the flowmeter.2. The method of claim 1 , wherein the flowmeter is a Coriolis mass flowmeter.3. The method of claim 1 , wherein the step of determining a relationship between a flow calibration factor and a pressure compensation value for a class of flowmeter comprises the step of determining an initial zero offset.4. The method of claim 1 , wherein the step of applying the unique pressure compensation value to the flowmeter comprises storing the unique pressure compensation value in a meter electronics.5. The method of claim 1 , comprising the step of measuring a process fluid introduced into the flowmeter claim 1 , wherein the measurement is adjusted with the unique pressure compensation and the unique flow calibration factor.6. The method of claim 5 , wherein the step of measuring a process fluid comprises measuring a mass flow rate.7. The method of claim 6 , wherein the mass flow rate is determined using an equation comprising: {dot over (m)}=FCF·PCV (ΔT−ΔT) claim 6 , wherein:{dot over (m)} is a mass flow rate;FCF is the unique flow calibration factor;PCV is the unique pressure coefficient;{'sub': 'measured', 'ΔTis a measured time delay;'}{'sub': '0', 'ΔTis an initial zero offset.'}8. The method of claim ...

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Номер записи: 94
14-05-2020 дата публикации

A NOTCH FILTER IN A VIBRATORY FLOW METER

Номер: US20200149942A1
Автор: Cunningham Timothy J., RENSING Matthew Joseph
Принадлежит: Micro Motion, Inc.

A meter electronics () having a notch filter () configured to filter a sensor signal from a sensor assembly () in a vibratory meter () is provided. The meter electronics () includes the notch filter () communicatively coupled to the sensor assembly (). The meter electronics () is configured to receive the sensor signal from the sensor assembly (), the sensor signal being comprised of a first component at a resonant frequency of the sensor assembly () and a second component at a non-resonant frequency and pass the first component and substantially attenuate the second component with the notch filter, wherein the first component is passed with substantially zero phase shift. 1202610520. A meter electronics () having a notch filter () configured to filter a sensor signal from a sensor assembly () in a vibratory meter () , the meter electronics () comprising:{'b': 26', '10, 'claim-text': [{'b': 10', '10, 'receive the sensor signal from the sensor assembly (), the sensor signal being comprised of a first component at a resonant frequency of the sensor assembly () and a second component at a non-resonant frequency; and'}, 'pass the first component and substantially attenuate the second component with the notch filter, wherein the first component is passed with substantially zero phase shift., 'the notch filter () communicatively coupled to the sensor assembly () and configured to22026. The meter electronics () of claim 1 , wherein the notch filter () configured to pass the first component with the substantially zero phase shift is a fixed-point precision filter.32026. The meter electronics () of claim 1 , wherein the sensor signal is further comprised of at least one additional non-resonant component and the notch filter () is further configured to substantially attenuate the at least one additional non-resonant component.42022261026. The meter electronics () of claim 1 , further comprising a drive circuit () communicatively coupled to the notch filter () and configured ...

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Номер записи: 95
29-09-2022 дата публикации

NOTIFICATION OF EVENTS AND APPORTIONING OF PROCESS DATA IN A METER

Номер: US20220307883A1
Автор: HELLER Matthew A., Kravitz Andrew S., MURRA Nathan C., WYATT Tonya L.
Принадлежит: Micro Motion, Inc.

A meter electronics () configured to notify of an event and apportion process data is provided. The meter electronics () comprises a memory () configured to continuously store the process data () for a duration (), a processor () communicatively coupled to the memory (). The processor () is configured to detect one or more events () in the process data () and at least one of generate a notification () and apportion the process data () based on the detected one or more events (). 12020. A meter electronics () configured to notify of an event and apportion process data , the meter electronics () comprising:{'b': 230', '410', '412, 'a memory () configured to continuously store the process data () for a duration ();'}{'b': 210', '230', '210, 'claim-text': [{'b': 430', '410, 'detect one or more events () in the process data (); and'}, {'b': 460', '410', '430, 'at least one of generate a notification () and apportion the process data () based on the detected one or more events ().'}], 'a processor () communicatively coupled to the memory (), the processor () being configured to220210460444. The meter electronics () of claim 1 , wherein the processor () is further configured to generate the notification () based on an anterior context length ().320210460210430460. The meter electronics () of claim 1 , wherein the processor () being configured to generate the notification () comprises the processor () being configured to include information related to the detected one or more events () in the notification ().420210460410460. The meter electronics () of claim 1 , wherein the processor () being configured to generate the notification () comprises including information related to downloading the process data () in the notification ().5202104602630. The meter electronics () of claim 1 , wherein the processor () is further configured to provide the notification () via at least one of a port () and a user interface ().620210410450450410a. The meter electronics () of claim 1 , ...

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Номер записи: 96
29-09-2022 дата публикации

METHOD FOR OPERATING A MEASURING DEVICE WITH AT LEAST ONE OSCILLATOR, AND MEASURING DEVICE FOR CARRYING OUT SAID METHOD

Номер: US20220307884A1
Автор: Anklin Martin Josef, Huber Reinhard, Lalla Robert, Scherrer Rémy
Принадлежит:

A method for operating a measuring device with a measuring sensor having an oscillator, the oscillator having a vibratory measuring tube for guiding a medium, comprises: Determining a current value of a resonance frequency for a vibration mode of the oscillator; exciting a vibration out of resonance with an excitation frequency that differs from the current value of the resonance frequency; and determining the amplitude of a sensor signal that represents the vibration out of resonance. The amplitude of the sensor signal of the vibration out of resonance, a sensor signal of a vibration sensor of the oscillator, is determined by a low-pass filter the time constant of which is not less than 1000 period lengths of the vibration out of resonance. Also disclosed is a measuring device for carrying out said method. 113-. (canceled)14. A method for operating a measuring device having a measuring sensor having an oscillator , wherein the oscillator includes a vibratory measuring tube for conducting a medium , the method comprising:determining a current value of a resonance frequency for a vibration mode of the oscillator;exciting a vibration out of resonance with an excitation frequency that differs from the current value of the resonance frequency;detecting via a low-pass filter a sensor signal of a vibration sensor of the oscillator, wherein a time constant of the low pass filter is not less than 1,000 period lengths of the vibration out of resonance; anddetermining an amplitude of the sensor signal which represents the vibration out of resonance.15. The method according to claim 14 ,wherein an amplitude of an excitation current signal with which the vibration out of resonance is excited is not greater than an amplitude of an excitation current signal with which the resonance vibration is simultaneously excited, andwherein the amplitude of the excitation current signal with which the vibration out of resonance is excited is not more than 4 mA.16. The method according to ...

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Номер записи: 97
29-09-2022 дата публикации

CORIOLIS METER

Номер: US20220307885A1
Автор: Gysling Daniel
Принадлежит:

In accordance with example embodiments of the present disclosure, a method for determining parameters for, and application of, models that correct for the effects of fluid inhomogeneity and compressibility on the ability of Coriolis meters to accurately measure the mass flow and/or density of a process fluid on a continuous basis is disclosed. Example embodiments mitigate the effect of multiphase fluid conditions on a Coriolis meter. 1. A Coriolis flowmeter comprising:at least one flow tube configured to convey a process-fluid there through;a drive system configured to vibrate the at least one flow tube at a first natural frequency and a second natural frequency;electronics configured to determine a first measured process fluid density using the first natural frequency and a second measured process fluid density using the second natural frequency;a plurality of sensors positioned proximate the at least one flow tube configured to measure a speed of sound of the process fluid;an error model configured to use the speed of sound and the first measured process fluid density and the second measured process fluid density to quantify at least one effect of decoupling on the first measured process fluid density and to quantify at least one effect of decoupling on the second measured process fluid density;the electronics configured to determine a corrected density of the process fluid in real time; anda reporting device to report the corrected density of the process fluid.2. The Coriolis flowmeter of wherein the electronics are further configured to determine a liquid phase density from the corrected process fluid density.3. The Coriolis flowmeter of wherein the electronics are further configured to:determine a measured mass flow of the process fluid from at least one of the first natural frequency and the second natural frequency;determine a mass flow error using at least one of the at least one effect of decoupling on the first measured process fluid density and the at ...

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Номер записи: 98
30-05-2019 дата публикации

MEASURING TRANSDUCER OF VIBRATION-TYPE

Номер: US20190162702A1
Автор: BITTO Ennio, Eckert Gerhard, RIEDER Alfred, ZHU Hao
Принадлежит:

A measuring transducer includes a support body, a curved oscillatable measuring tube, an electrodynamic exciter, at least one sensor for registering oscillations of the measuring tube, and an operating circuit. The measuring tube has first and second bending oscillation modes, which are mirror symmetric to a measuring tube transverse plane and have first and second media density dependent eigenfrequencies f1, f3 with f3>f1. The measuring tube has a peak secant with an oscillation node in the second mirror symmetric bending oscillation mode. The operating circuit is adapted to drive the exciter conductor loop with a signal exciting the second mirror symmetric bending oscillation mode. The exciter conductor loop has an ohmic resistance R and a mode dependent mutual induction reactance Rwhich depends on the position of the exciter. The exciter is so positioned that a dimensionless power factor 112-. (canceled)14. The vibration-type measuring transducer of claim 13 , wherein the oscillation node of the peak secant in the second mirror symmetric bending oscillation mode defines a node plane claim 13 , wherein the node plane extends perpendicularly to the measuring tube transverse plane and perpendicularly to the measuring tube longitudinal plane claim 13 , wherein the peak secant has no oscillation nodes in the node plane claim 13 , and when the measuring tube oscillates in a first mirror symmetric bending oscillation mode.15. The vibration-type measuring transducer of claim 13 , wherein the measuring tube has an outer diameter in the measuring tube transverse plane claim 13 , wherein a node plane is spaced from the intersection between the measuring tube centerline and the measuring tube transverse plane by no more than three outer diameters.16. The vibration-type measuring transducer of claim 15 , wherein a peak plane claim 15 , which extends perpendicularly to the measuring tube transverse plane and perpendicularly to the measuring tube longitudinal plane and through ...

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Номер записи: 99
21-06-2018 дата публикации

CORIOLIS FLOW METER FOR MEASURING PROPERTIES OF A FLUID AND METHOD THEREFOR

Номер: US20180171281A1
Автор: Lang Philipp, Ruetten Jens, Seeley Charles Erklin
Принадлежит:

A Coriolis flow meter for measuring one or more properties of a fluid is described herein which involves a modular configuration, and includes a fluid flow sub-system and a mechanical oscillator sub-system, both functionally separate, and are coupled in a closed loop arrangement, such that the flow conduit is not directly vibrated, and instead receives induced oscillations from the mechanical oscillator sub-system. The Coriolis flow meter is useful for high purity applications, as well as for the bioprocessing applications. Bioprocessing systems incorporating the Coriolis flow meter are also described herein. Method for measuring one or more properties of a fluid using the disclosed Coriolis flow meter are also described herein. 1. A Coriolis flow meter for measuring one or more properties of a fluid , the Coriolis flow meter comprising:a fluid flow sub-system configured to provide a flow path for the fluid; a mechanical oscillator linked with the fluid flow sub-system configured to provide a closed-loop arrangement for transmission of oscillations to the fluid and receipt of the Coriolis response from the fluid,', 'one or more actuators for generating oscillations in the mechanical oscillator, and', 'a sensing sub-system configured to receive the Coriolis response through the mechanical oscillator from the fluid; and, 'a mechanical oscillator sub-system disposed in proximity to the fluid flow sub-system, wherein the mechanical oscillator sub-system and the fluid flow sub-system are functionally separate, and wherein the mechanical oscillator sub-system is configured to induce oscillations in the fluid flow sub-system, and further configured to detect a Coriolis response from the fluid, the mechanical oscillator sub-system comprisingan electronics circuitry coupled to the mechanical oscillator sub-system, and configured to trigger the one or more actuators and the sensing sub-system, and configured to process the Coriolis response received from the sensing sub- ...

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Номер записи: 100