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公开(公告)号：US12163614B2
公开(公告)日：2024-12-10
申请号：US18036846
申请日：2020-11-12
Applicant: Endress+Hauser Flowtec AG
Inventor： Mattia Alioli , Vivek Kumar , Marc Werner , Natalie Schlachter
IPC: F16L41/02
Abstract: A flow divider comprises a lumen having perpendicular, symmetry planes intersecting in an axis of inertia connecting the ends. Cross sectional area have radii extending from a geometric center of gravity to the wall and lying at an angle φ (−180°≤φ≤180°) to a reference axis and being perpendicular to its axis of inertia, wherein each radius lying at an angle φ=0° to the relevant reference axis points away from the symmetry plane, and fulfills a formula fi(φ, Pi) associated with its cross sectional area and defined by a coefficients set Pi (Pi=[ai bi m1i m2i n1i n2i n3i]) corresponding to the flow divider opening: R i ( φ ) = R 0 · r i ( φ ) = f i ( φ , P i ) = f i ( φ , [ a i b i m 1 i m 2 i n 1 i n 2 i n 3 i ] ) = R 0 · ❘ "\[LeftBracketingBar]" 1 a i cos ( m 1 i 4 φ ) ❘ "\[RightBracketingBar]" n 2 i + ❘ "\[LeftBracketingBar]" 1 b i sin ( m 2 i 4 φ ) ❘ "\[RightBracketingBar]" n 3 i - n 1 i , in such a manner that the radii R4(φ) of a cross sectional area of the lumen fulfills a formula f4(φ, P4) defined by a coefficients set P4=[a4 b4 m14 m24 n14 n24 n34], with a4=(0.95 . . . 1), b4=(0.45 . . . 0.7), m14=4, m24=4, n14=3.0, n24=n14 and n34=(3 . . . 4).
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公开(公告)号：US12104940B2
公开(公告)日：2024-10-01
申请号：US17414378
申请日：2019-12-17
Applicant: Endress+Hauser Flowtec AG
Inventor： Alfred Rieder , Vivek Kumar , Josef Hubensteiner , Mattia Alioli
CPC classification number: G01F1/8477 , G01F1/8422 , G01F1/8427 , G01F1/8431 , G01F15/022 , G01N9/002 , G01N2009/006
Abstract: 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.
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公开(公告)号：US20230408013A1
公开(公告)日：2023-12-21
申请号：US18036846
申请日：2020-11-12
Applicant: Endress+Hauser Flowtec AG
Inventor： Mattia Alioli , Vivek Kumar , Marc Werner , Natalie Schlachter
IPC: F16L41/02
CPC classification number: F16L41/023
Abstract: A flow divider comprises a lumen having perpendicular, symmetry planes intersecting in an axis of inertia connecting the ends. Cross sectional area have radii extending from a geometric center of gravity to the wall and lying at an angle φ (−180°≤φ≤180°) to a reference axis and being perpendicular to its axis of inertia, wherein each radius lying at an angle φ=0° to the relevant reference axis points away from the symmetry plane, and fulfills a formula fi(φ, Pi) associated with its cross sectional area and defined by a coefficients set Pi (Pi=[ai bi m1i m2i n1i n2i n3i]) corresponding to the flow divider opening:
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"\[LeftBracketingBar]"
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i
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in such a manner that the radii R4(φ) of a cross sectional area of the lumen fulfills a formula f4(φ, P4) defined by a coefficients set P4=[a4 b4 m14 m24 n14 n24 n34], with a4=(0.95 . . . 1), b4=(0.45 . . . 0.7), m14=4, m24=4, n14=3.0, n24=n14 and n34=(3 . . . 4).-
14.发明授权公开(公告)号：US10605641B2
公开(公告)日：2020-03-31
申请号：US15037125
申请日：2014-10-27
Applicant: Endress + Hauser Flowtec AG
Inventor： Anastasios Badarlis , Axel Pfau , Oliver Popp , Vivek Kumar , Hanno Schultheis
Abstract: A measuring device which has at least a first component, in which an integral measurement duct is provided or the first component forms in connection with additional components a measurement duct integrally in the measuring device. The measurement duct is provided for conducting a measured medium through the measuring device, characterized in that the first component has a first sensor for determining a first thermophysical property selected from thermal conductivity, thermal diffusivity and/or specific heat capacity of the measured medium, and wherein the measuring device has a second sensor, which vibrates and is provided for determining viscosity and/or density of the measured medium. The measured medium is conducted through the measurement duct from the first sensor to the second sensor.
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公开(公告)号：US20190011297A1
公开(公告)日：2019-01-10
申请号：US15745194
申请日：2016-06-22
Applicant: Endress + Hauser Flowtec AG
Inventor： Vivek Kumar , Marc Hollmach
IPC: G01F1/32
Abstract: A flow measuring device operating on the vortex counter principle, comprises: a measuring tube; a blockage in the form of a bluff body in the measuring tube for bringing about a Karman vortex street with flow dependent vortex frequency; a first pressure fluctuation measuring arrangement for registering vortex related pressure fluctuations and for providing signals dependent on pressure fluctuations; a second pressure fluctuation measuring arrangement for registering vortex related pressure fluctuations and for providing signals dependent on pressure fluctuations. The first pressure fluctuation measuring arrangement is spaced in the longitudinal direction of the measuring tube from the second pressure fluctuation measuring arrangement. An evaluating unit for determining a vortex frequency and a flow measured value dependent thereon, and the evaluation unit is further adapted, based on the ratio of the amplitudes of the signals of the first pressure fluctuation measuring arrangement and the second pressure fluctuation measuring arrangement, or variables derived therefrom, to determine the current Reynolds number and/or the kinematic viscosity of the medium flowing in the measuring tube.
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Patent Agency Ranking
公开(公告)号：US20150226590A1
公开(公告)日：2015-08-13
申请号：US14249529
申请日：2014-04-10
Applicant: Endress + Hauser Flowtec AG
Inventor： Christof Huber , Vivek Kumar
IPC: G01F1/84
CPC classification number: G01F1/8472 , G01F1/8413 , G01F1/8436 , G01F1/8477
Abstract: A Coriolis mass flow measuring device comprises a measuring device electronics as well as, connected thereto, a measuring transducer comprising at least one measuring tube, an oscillation exciter for oscillating the at least one measuring tube and, mutually spaced along the measuring tube, two oscillation sensors for generating oscillation signals representing oscillations of the measuring tube. The measuring tube is adapted to be flowed through by a medium and during that to be caused to vibrate in such a manner that the measuring tube executes wanted oscillations having a wanted frequency. The wanted oscillations are suitable to induce in the flowing medium, dependent on its mass flow rate, Coriolis forces suitable for bringing about a measurement effect of a first type, namely Coriolis oscillations of the wanted frequency superimposed on the wanted oscillations. These Coriolis oscillations are, in turn, suitable to induce in the medium centrifugal forces dependent on its mass flow rate and on its density. These centrifugal forces bring about a measurement effect of a second type, namely, superimposed on the Coriolis oscillations, centrifugal oscillations of the wanted frequency. The measuring device electronics is, among other things, adapted, based on the oscillation signals, to generate at least one mass flow, measured value, representing the mass flow rate, in such a manner that a dependence of a phase difference existing between wanted signal components of the oscillation signals is taken into consideration by the measurement effect of second type.
Abstract translation: 科里奥利质量流量测量装置包括测量装置电子装置，以及与其连接的测量换能器，包括至少一个测量管，用于振荡至少一个测量管的振荡激励器，并且沿测量管相互间隔开两个振荡 用于产生表示测量管的振荡的振荡信号的传感器。 测量管适于通过介质流动，并且在该位置被引起振动，使得测量管执行想要的具有想要的频率的振荡。 所需的振荡适合于在流动介质中诱导，取决于其质量流率，适用于产生第一类型的测量效应的科里奥利力，即所需频率的科里奥利振荡叠加在所需振荡上。 这些科里奥利振荡反过来又适合于依赖于其质量流量和其密度而引起介质离心力。 这些离心力产生第二类型的测量效果，即叠加在科里奥利振荡上，所需频率的离心振荡。 测量装置电子装置尤其适用于基于振荡信号，以这样的方式产生表示质量流量的至少一个质量流量，测量值，使得存在于有用信号之间的相位差的依赖性 通过第二种类型的测量效果来考虑振荡信号的分量。
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公开(公告)号：US12228442B2
公开(公告)日：2025-02-18
申请号：US18057301
申请日：2022-11-21
Applicant: Endress+Hauser Flowtec AG
Inventor： Benjamin Schwenter , Marc Werner , Markus Schütz , Vivek Kumar , Mattia Alioli
Abstract: The present disclosure relates to a Coriolis measuring transmitter of a Coriolis measuring device for measuring a mass flow or a density of a medium flowing through a pipe, which includes: at least one pair of measuring tubes arranged to oscillate relative to each other, wherein each measuring tube includes a centrally arranged bend, at least one driver and at least two vibration sensors; two guiding devices, each including a fluid chamber with a first opening for connection with the pipe and second openings for each measuring tube for connection with the measuring tubes, wherein the guiding devices are each formed from multiple parts, for example, formed from two parts, wherein a first part forms a pipe connecting part, and wherein at least one second part forms a measuring tube connecting part.
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18.发明公开公开(公告)号：US20230349771A1
公开(公告)日：2023-11-02
申请号：US18006437
申请日：2021-06-21
Applicant: Endress+Hauser Flowtec AG
Inventor： Mattia Alioli , Vivek Kumar , Alfred Rieder , Gerhard Eckert
CPC classification number: G01K1/143 , G01F1/8427 , G01K13/02 , G01F1/34
Abstract: A method includes: determining a wall temperature of a wall enclosing a lumen of a flow line; determining a density, a viscosity, a thermal conductivity, a thermal capacity, and a pressure differential of a medium to be measured flowing in the line; determining a characteristic number value for the medium, which characterizes a heating of the medium flowing in the line as a result of dissipation and is a function of an Eckert number, a Prandtl number, and a pressure loss coefficient of the line as well as line-specific first, second and third exponents; and determining a temperature of the medium using the characteristic number value and the wall temperature. A measuring system for the method includes: a temperature sensor thermally coupled to a lateral surface of the wall and configured to generate a temperature measurement signal; and an operating electronic system electrically connected to the temperature sensor.
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公开(公告)号：US20220307886A1
公开(公告)日：2022-09-29
申请号：US17639020
申请日：2020-08-03
Applicant: Endress+Hauser Flowtec AG
Inventor： Alfred Rieder , Vivek Kumar , Mattia Alioli
Abstract: A method for determining a viscosity of a medium based on damping of an oscillation mode of a measurement tube comprises exciting oscillations of an oscillation mode; detecting a sequence of provisional damping measurement values for the measurement tube oscillation mode; and calculating target measurement values. The influence of the cross-sensitivity of the damping for the flow rate of the medium is corrected by determining rectified damping measurement values that correspond to damping when the medium is at rest and determining viscosity on the basis of the rectified damping measurement values, or correcting the influence of the cross-sensitivity of the damping for the flow rate of the medium by determining provisional intermediate values of a damping-dependent variable, determining rectified intermediate values that correspond to the intermediate values when the medium is at rest, and determining the target measurement values on the basis of the rectified intermediate values.
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公开(公告)号：US20220065676A1
公开(公告)日：2022-03-03
申请号：US17414378
申请日：2019-12-17
Applicant: Endress+Hauser Flowtec AG
Inventor： Alfred Rieder , Vivek Kumar , Josef Hubensteiner , Mattia Alioli
Abstract: 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.
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