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公开(公告)号：US11796363B2
公开(公告)日：2023-10-24
申请号：US16639680
申请日：2017-09-21
Applicant: Micro Motion, Inc.
Inventor： Matthew Joseph Rensing , Christopher George Larsen
CPC classification number: G01F1/74 , G01F1/8431 , G01F1/8436 , G01F25/10 , G01N9/002
Abstract: A vibratory meter (5, 1600) configured to predict and reduce noise in the vibratory meter (5, 1600). The vibratory meter (5, 1600) includes a sensor assembly (10, 1610) and a meter electronics (20, 1620) in communication with the sensor assembly (10, 1610). The meter electronics (20, 1620) is configured to provide a drive signal to a sensor assembly (10, 1610), receive a sensor signal from the sensor assembly (10, 1610) having one or more components, and generate a signal to be applied to one of the sensor signal and the drive signal to compensate for the one or more components.
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公开(公告)号：US20180266864A1
公开(公告)日：2018-09-20
申请号：US15745040
申请日：2015-07-27
Applicant: Micro Motion, Inc.
Inventor： Matthew Joseph Rensing , Christopher George Larsen , Timothy J. Cunningham , Stuart J. Shelley
Abstract: A method and apparatus for a flowmeter (5) is provided. The method comprises the steps of placing a material in a flow tube (130, 130′) while exciting a vibration mode of the flow tube (130, 130′). Exciting the vibration mode of the flow tube (130, 130′) comprises the steps of periodically driving a first driver (180L) with a first signal and periodically driving a second driver (180R) with a second signal, wherein the second driver (180R) is driven essentially in phase with the first driver (180L), but wherein the first driver's (180L) drive amplitude modulated signal reaches a maximum amplitude when the second driver's (180R) drive modulated signal reaches a minimal amplitude, and the first driver's (180L) drive amplitude modulated signal reaches a minimum amplitude when the second driver's (180R) drive amplitude modulated signal reaches a maximum amplitude. The method also comprises the steps of measuring the relative phase between a first pickoff (170L) and a second pickoff (170R) and determining a relative phase of a right eigenvector for the flow tube (130, 130′).
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公开(公告)号：US11209299B2
公开(公告)日：2021-12-28
申请号：US16618549
申请日：2017-06-14
Applicant: Micro Motion, Inc.
Inventor： Matthew Joseph Rensing , Timothy J. Cunningham
IPC: G01F1/84
Abstract: A meter electronics (20) having a notch filter (26) configured to filter a sensor signal from a sensor assembly (10) in a vibratory meter (5) is provided. The meter electronics (20) includes the notch filter (26) communicatively coupled to the sensor assembly (10). The meter electronics (20) is configured to receive the sensor signal from the sensor assembly (10), the sensor signal being comprised of a first component at a resonant frequency of the sensor assembly (10) 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.
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公开(公告)号：US20160116319A1
公开(公告)日：2016-04-28
申请号：US14890668
申请日：2014-05-20
Applicant: MICRO MOTION, INC.
IPC: G01F1/84
CPC classification number: G01F1/8477 , G01F1/8436
Abstract: 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 (180L, 180R), determine first and second primary mode currents (230) of the first and second drivers (180L, 180R) for the primary vibration mode and determining first and second primary mode response voltages (231) generated by the first and second pickoff sensors (170L, 170R) 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).
Abstract translation: 提供了一种用于仪表校验的振动流量计（5），包括配置为使用第一和第二驱动器（180L，180R）以主振动模式振动流量计组件（10）的仪表电子设备（20），确定第一和第二主模式 用于主振动模式的第一和第二驱动器（180L，180R）的电流（230），以及确定由第一和第二传感器（170L，170R）为主振动模式产生的第一和第二主模式响应电压（231） 使用第一和第二初级模式电流（230）和第一和第二主模式响应电压（231）产生仪表刚度值（216），并且使用仪表刚度值（...）来验证振动流量计（5）的正确操作 216）。
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公开(公告)号：US10670446B2
公开(公告)日：2020-06-02
申请号：US15763258
申请日：2015-10-21
Applicant: Micro Motion, Inc.
Inventor： Matthew Joseph Rensing
Abstract: A method for calibrating a flowmeter (5) transducer is provided comprising the steps of exciting a vibration mode of a flowmeter (5) flow tube (130, 130′) and ceasing to excite the vibration mode, wherein a free decay response of the flow tube (130, 130′) is measured. Amplitudes and phases of the free decay response at a drive frequency are extracted, and a strength of the transducer is calculated.
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Patent Agency Ranking
公开(公告)号：US20180356274A1
公开(公告)日：2018-12-13
申请号：US15763258
申请日：2015-10-21
Applicant: Micro Motion, Inc.
Inventor： Matthew Joseph Rensing
Abstract: A method for calibrating a flowmeter (5) transducer is provided comprising the steps of exciting a vibration mode of a flowmeter (5) flow tube (130, 130′) and ceasing to excite the vibration mode, wherein a free decay response of the flow tube (130, 130′) is measured. Amplitudes and phases of the free decay response at a drive frequency are extracted, and a strength of the transducer is calculated.
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公开(公告)号：US11493374B2
公开(公告)日：2022-11-08
申请号：US16618512
申请日：2017-06-14
Applicant: Micro Motion, Inc.
Inventor： Timothy J. Cunningham , Matthew Joseph Rensing , Mark James Bell
Abstract: A system (800) for minimizing a crest in a multi-tone drive signal in a vibratory meter (5) is provided. The system (800) includes a drive signal generator (810) configured to generate the multi-tone drive signal for the vibratory meter (5) and a drive signal detector (820). The drive signal detector (820) is configured to receive the multi-tone drive signal, determine a first maximum amplitude of the multi-tone drive signal having a component at a first phase, determine a second maximum amplitude of the multi-tone drive signal having the component at a second phase, and compare the first maximum amplitude and the second maximum amplitude.
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公开(公告)号：US11029183B2
公开(公告)日：2021-06-08
申请号：US16733128
申请日：2020-01-02
Applicant: Micro Motion, Inc.
IPC: G01F1/84
Abstract: 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 (180L, 180R), determine first and second primary mode currents (230) of the first and second drivers (180L, 180R) for the primary vibration mode and determining first and second primary mode response voltages (231) generated by the first and second pickoff sensors (170L, 170R) 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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公开(公告)号：US10605647B2
公开(公告)日：2020-03-31
申请号：US15746669
申请日：2015-07-27
Applicant: Micro Motion, Inc.
Abstract: A meter verification method for a vibratory flowmeter (5) is provided, comprising vibrating a sensor assembly (10) of the vibratory flowmeter (5) with a plurality of test tones in a vibration mode using a driver (180), wherein the plurality of test tones is applied substantially instantly, in the absence of a ramp function. A driver (180) current is determined, and response voltage of pickoff sensors (170L, 170R) are determined for the vibration mode. The instantaneous frequency of the pickoff sensor (170L, 170R) signals is measured, and a filter is applied to isolate the response at each of the plurality of test tones. The filter is also applied to the instantaneous frequency measurements. The same delay is applied to the frequency measurements and the response at each of the test tones. A meter stiffness value (216) is generated using the current (230) and the response voltage (231), and proper operation of the vibratory flowmeter (5) is verified using the meter stiffness value (216).
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公开(公告)号：US20180209831A1
公开(公告)日：2018-07-26
申请号：US15745014
申请日：2015-07-27
Applicant: Micro Motion, Inc.
Inventor： Matthew Joseph Rensing
CPC classification number: G01F1/8436 , G01F1/8418 , G01F1/8427 , G01F1/849 , G01F25/0007
Abstract: A method is provided comprising the steps of exciting a vibration mode of a flow tube (130, 130′), wherein first and second drivers (180L, 180R) are amplitude modulated out of phase from each other, and wherein a drive command provided to the first and second drivers (180L, 180R) comprises a sum of N+1 independent signals. The first and second drivers (180L, 180R) are excited with a plurality of off-resonance frequencies and the effective phase between a modal response and the drivers (180L, 180R) at each of the off-resonance frequencies is inferred. A left eigenvector phase estimate is generated for each of the off-resonance frequencies. A phase of a left eigenvector at a resonant drive frequency is estimated based on off-resonance frequency phase estimates. The method also comprises measuring the phase between a first pickoff (170L) and a second pickoff (170R) and determining a phase of a right eigenvector for the flow tube (130, 130′).
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