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公开(公告)号：US12013275B2
公开(公告)日：2024-06-18
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：US20230168116A1
公开(公告)日：2023-06-01
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
CPC classification number: G01F1/8477 , G01F1/8427 , G01N9/32
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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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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Patent Agency Ranking
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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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).-
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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7.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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