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公开(公告)号：US20160175850A1
公开(公告)日：2016-06-23
申请号：US14938262
申请日：2015-11-11
摘要： A device and method include ionizing particles to be captured, creating electric fields to polarize mats of filter material, and trapping the ionized particles in the polarized mats.
摘要翻译： 装置和方法包括电离待捕获的颗粒，产生电场以使过滤材料的垫片偏振，并将离子化的颗粒捕获到偏振垫中。
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公开(公告)号：US09849463B2
公开(公告)日：2017-12-26
申请号：US14938262
申请日：2015-11-11
摘要： A device and method include ionizing particles to be captured, creating electric fields to polarize mats of filter material, and trapping the ionized particles in the polarized mats.
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公开(公告)号：US09823329B2
公开(公告)日：2017-11-21
申请号：US14883225
申请日：2015-10-14
发明人： Andy Peczalski , Tom Rezachek
CPC分类号： G01R35/005 , G01R15/205
摘要： A magnetic current sensor calibration system includes a plurality of sensors and a substrate. The substrate has a first surface and a second surface, and the sensors are mounted on the first surface. The substrate includes a bipolar calibration conductor and a unipolar calibration conductor. The bipolar calibration conductor is spaced apart from the plurality of sensors and is disposed between the first and second surfaces. The unipolar calibration conductor is spaced apart from the plurality of sensors and the bipolar calibration conductor, and is disposed between the first and second surfaces.
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公开(公告)号：US09450391B2
公开(公告)日：2016-09-20
申请号：US14599851
申请日：2015-01-19
发明人： Andy Peczalski
CPC分类号： H02G5/02 , G01R1/02 , G01R15/148 , G01R15/18 , G01R15/207 , H02M7/003 , H02M2001/0009
摘要： A current bus that includes an opening that extends from one side of the current bus to an opposing side of the current bus. The opening changes in size as the opening extends from one side of the current bus to the opposing side of the current bus. The opening may include a first diameter and a second diameter that is different than the first diameter. The opening may include a first thickness at the first diameter of the opening which may be much smaller than a second thickness of the current bus. A high accuracy current measurement of the current bus may require that the magnetic field profile of the current bus within the opening be non-linear (e.g., 3rd order polynomial with the highest value of the 3rd degree coefficient).
摘要翻译： 一种当前总线，其包括从当前总线的一侧延伸到当前总线的相对侧的开口。 当开口从当前总线的一侧延伸到当前总线的相对侧时，开口的尺寸改变。 开口可以包括不同于第一直径的第一直径和第二直径。 开口可以包括在开口的第一直径处的第一厚度，其可以远小于当前总线的第二厚度。 当前总线的高精度电流测量可能要求开口内的当前总线的磁场分布是非线性的（例如，具有最高3度系数的三阶多项式）。
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公开(公告)号：US20140260523A1
公开(公告)日：2014-09-18
申请号：US13827464
申请日：2013-03-14
发明人： Andy Peczalski , Raj Mohan Bharadwaj , Hai Pham , David Wunderlin , Kyusung Kim , Dinkar Mylaraswamy
IPC分类号： G01H3/00
CPC分类号： G01H3/005
摘要： A method of calibrating a radar-based vibration sensor that includes a radar head coupled to a vibration device includes disposing the vibration sensor at a fixed distance from a target, and transmitting radio frequency (RF) signals toward, and receiving RF signals reflected by, the target. An excitation voltage is supplied, at a plurality of different excitation frequencies, to the vibration device to cause the vibration sensor to vibrate. Vibration sensor acceleration is determined at each of the different excitation frequencies. A calibration curve is generated based on the determined vibration sensor acceleration at each of the different excitation frequencies, and on the reflected RF signals at each of the different excitation frequencies.
摘要翻译： 一种校准基于雷达的振动传感器的方法，其包括耦合到振动装置的雷达头，包括：将振动传感器设置在与目标相距一定距离处，并且将射频（RF）信号传输到射频信号， 目标。 以多个不同的激励频率向振动装置提供激励电压，以使振动传感器振动。 在每个不同的激励频率下确定振动传感器的加速度。 基于在每个不同激发频率下确定的振动传感器加速度以及每个不同激励频率处的反射RF信号产生校准曲线。
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公开(公告)号：US10181768B2
公开(公告)日：2019-01-15
申请号：US13895969
申请日：2013-05-16
发明人： Andy Peczalski , Todd Hanson
摘要： An energy harvester for harvesting energy from a rotating machine having a rotatable machine shaft includes a non-magnetic housing, a harvester shaft, a rotor, and a plurality of electrically isolated stators. The housing is adapted to couple to the rotating machine. The harvester shaft is disposed within the housing and is adapted to couple to and rotate with the machine shaft or in some cases becomes the rotating shaft of the machine. The rotor is disposed within the housing and is coupled to and surrounds at least a portion of the harvester shaft. The rotor comprises an N-pole permanent magnet. The plurality of stators are disposed within and coupled to the housing. Each stator surrounds the rotor and is spaced apart therefrom by an air gap. Each stator also has a set of windings wound thereon. Different numbers of stators could be operating together, whereas other stators are disconnected to extend the rotational speed range.
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公开(公告)号：US09989563B2
公开(公告)日：2018-06-05
申请号：US14915050
申请日：2014-03-26
发明人： Andy Peczalski , Tom Rezachek , Fouad Nusseibeh
CPC分类号： G01R15/205 , G01R15/207 , G01R19/0053 , G01R19/16547 , G01R33/0023 , G01R33/096 , G01V3/02 , H02H1/0007 , H02H3/08
摘要： Apparatus and associated methods relate to an in-hole current-measurement system having three or more magnetic-field sensors and a transient-disturbance selection module configured to form an output signal from a selected subset of sensor signals while decoupling the output signals from a non-selected subset of sensor signals during a predetermined time window when a disturbance signal is expected at the non-selected set of sensor signals. In an illustrative example, a disturbance producing operation may be performed on alternating subsets of sensors while the undisturbed subset of sensors measures an electrical current in the electrical conductor. For example, each selected subset of sensors may be aligned on an axis configured to be mounted perpendicular to current flow within a hole in the electrical conductor. Some embodiments may advantageously provide continuous electrical current measurement while being uninterrupted by the predetermined transient disturbances.
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公开(公告)号：US20160223699A1
公开(公告)日：2016-08-04
申请号：US14915050
申请日：2014-03-26
发明人： Andy Peczalski , Tom Rezachek , Fouad Nusseibeh
CPC分类号： G01R15/205 , G01R15/207 , G01R19/0053 , G01R19/16547 , G01R33/0023 , G01R33/096 , G01V3/02 , H02H1/0007 , H02H3/08
摘要： Apparatus and associated methods relate to an in-hole current-measurement system having three or more magnetic-field sensors and a transient-disturbance selection module configured to form an output signal from a selected subset of sensor signals while decoupling the output signals from a non-selected subset of sensor signals during a predetermined time window when a disturbance signal is expected at the non-selected set of sensor signals. In an illustrative example, a disturbance producing operation may be performed on alternating subsets of sensors while the undisturbed subset of sensors measures an electrical current in the electrical conductor. For example, each selected subset of sensors may be aligned on an axis configured to be mounted perpendicular to current flow within a hole in the electrical conductor. Some embodiments may advantageously provide continuous electrical current measurement while being uninterrupted by the predetermined transient disturbances.
摘要翻译： 装置和相关方法涉及具有三个或更多个磁场传感器和瞬态干扰选择模块的空穴电流测量系统，所述瞬态干扰选择模块被配置为从所选择的传感器信号子集中形成输出信号，同时将输出信号与非 - - 当在未选择的传感器信号集合处期望干扰信号时，在预定时间窗口期间选择的传感器信号子集。 在说明性示例中，可以对传感器的交替子集执行扰动产生操作，而未受干扰的传感器子集测量电导体中的电流。 例如，每个选定的传感器子集可以在被配置为垂直于电导体中的孔内的电流流动安装的轴上对准。 一些实施例可以有利地提供连续的电流测量，同时不受预定的瞬态干扰的干扰。
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公开(公告)号：US10309992B2
公开(公告)日：2019-06-04
申请号：US14913931
申请日：2014-03-26
发明人： Andy Peczalski , Bharat B. Pant
摘要： Apparatus and associated methods relate to a measurement system that calculates a current in a conductor based on an odd-order spatial derivative function of signals representing magnetic-field strengths within a hole in the conductor. In an illustrative embodiment, the odd-order spatial derivative function may generate an output signal representing a spatial derivative of the in-hole magnetic field greater than the first-order. The three or more magnetic-field sensors may be configured to align on the hole's axis when inserted into the hole. When inserted into the hole, the sensors may be aligned on an axis perpendicular to a direction of current flow and be responsive to a magnetic-field directed perpendicular to both the direction of current flow and the aligned axis. Some embodiments may advantageously provide a precise measurement indicative an electrical current in the electrical conductor while substantially rejecting a stray magnetic field originating from an adjacent electrical conductor.
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10.发明申请公开(公告)号：US20160356822A1
公开(公告)日：2016-12-08
申请号：US14913931
申请日：2014-03-26
发明人： Andy Peczalski , Bharat B. Pant
IPC分类号： G01R15/20 , G01R33/09 , G01R19/00 , G01R19/165
CPC分类号： G01R15/205 , G01R15/207 , G01R19/0053 , G01R19/16547 , G01R33/0023 , G01R33/096 , G01V3/02 , H02H1/0007 , H02H3/08
摘要： Apparatus and associated methods relate to a measurement system that calculates a current in a conductor based on an odd-order spatial derivative function of signals representing magnetic-field strengths within a hole in the conductor. In an illustrative embodiment, the odd-order spatial derivative function may generate an output signal representing a spatial derivative of the in-hole magnetic field greater than the first-order. The three or more magnetic-field sensors may be configured to align on the hole's axis when inserted into the hole. When inserted into the hole, the sensors may be aligned on an axis perpendicular to a direction of current flow and be responsive to a magnetic-field directed perpendicular to both the direction of current flow and the aligned axis. Some embodiments may advantageously provide a precise measurement indicative an electrical current in the electrical conductor while substantially rejecting a stray magnetic field originating from an adjacent electrical conductor.
摘要翻译： 装置和相关方法涉及一种测量系统，其基于表示导体内的孔内的磁场强度的信号的奇数空间导数函数来计算导体中的电流。 在说明性实施例中，奇数空间微分函数可以产生表示大于一阶的孔内磁场的空间导数的输出信号。 三个或更多个磁场传感器可以被配置为当插入孔时在孔的轴线上对准。 当插入孔中时，传感器可以在垂直于电流流动方向的轴上对准，并且响应于垂直于电流方向和对准轴线的磁场。 一些实施例可以有利地提供指示电导体中的电流的精确测量，同时基本上拒绝源自相邻电导体的杂散磁场。
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