公开(公告)号：US07895903B2

公开(公告)日：2011-03-01

申请号：US12620796

申请日：2009-11-18

申请人： Timothy J. Bailey ,  Mark R. Fernald

发明人： Timothy J. Bailey ,  Mark R. Fernald

IPC分类号： G01F1/60 ,  G01F23/00

CPC分类号： G01F1/7082 ,  G01F1/666 ,  G01F1/667 ,  G01F1/704 ,  G01F1/712 ,  G01F1/74

摘要： A method and apparatus for determining at least one characteristic of a fluid flowing within a pipe is provided and includes at least one sensing device. The at least one sensing device includes a first sensor segment having a first segment polarity and being associated with a first outer portion of the pipe and a second sensor segment having a second segment polarity and being associated with a second outer portion of the pipe, wherein the first sensor segment and the second sensor segment generate sensor data responsive to the fluid flowing within the pipe. The apparatus further includes a processing device communicated with the at least one sensing device, wherein the processing device receives the sensor data and processes the sensor data to determine the at least one characteristic of the fluid.

摘要翻译： 提供了一种用于确定在管内流动的流体的至少一种特性的方法和装置，并且包括至少一个感测装置。 所述至少一个感测装置包括具有第一段极性并与管的第一外部部分相关联的第一传感器段和具有第二段极性并与管的第二外部部分相关联的第二传感器段，其中 第一传感器段和第二传感器段响应于在管内流动的流体产生传感器数据。 所述装置还包括与所述至少一个感测装置通信的处理装置，其中所述处理装置接收所述传感器数据并处理所述传感器数据以确定所述流体的所述至少一个特性。

公开(公告)号：US07330797B2

公开(公告)日：2008-02-12

申请号：US11592915

申请日：2006-11-03

申请人： Timothy J. Bailey ,  Mark R. Fernald

发明人： Timothy J. Bailey ,  Mark R. Fernald

IPC分类号： G01F23/00

CPC分类号： G01F1/704 ,  G01F1/74

摘要： A method and apparatus for measuring a parameter of a flow passing through a pipe is provided, wherein the apparatus includes at least two spatial array of sensors disposed at different axial locations along the pipe, wherein each of the sensors provide a signal indicative of unsteady pressure created by coherent structures convecting with the flow within the pipe at a corresponding axial location of the pipe. The apparatus also includes a signal processor configured to determine the flow rate at the circumference location of each sensor array in response to the respective measured unsteady pressures. The signal processor compares the velocity of the flow at each respective location and provides a signal indicative the presence of solids settled at the bottom of the pipe and/or the level of the settled solids in the pipe, in response to an uncharacteristic increase in the velocity of a lower portion of the flow in comparison to the velocity measured above the lower portion of the flow.

摘要翻译： 提供了一种用于测量通过管道的流量的参数的方法和装置，其中所述装置包括设置在沿着管道的不同轴向位置处的至少两个传感器的空间阵列，其中每个传感器提供指示不稳定压力的信号 通过在管道中相应的轴向位置处的管内流动的相干结构产生。 该装置还包括信号处理器，其被配置为响应于各自测量的不稳定压力来确定每个传感器阵列的圆周位置处的流速。 信号处理器将每个相应位置处的流速进行比较，并提供指示在管的底部沉降的固体的存在和/或管中的沉降固体的水平的信号，以响应于 与在流动的下部上方测量的速度相比，流动的下部的速度。

公开(公告)号：US09810665B2

公开(公告)日：2017-11-07

申请号：US13983409

申请日：2012-02-06

申请人： Mark R. Fernald ,  Timothy J. Bailey

发明人： Mark R. Fernald ,  Timothy J. Bailey

IPC分类号： G01N29/036 ,  B01D21/28 ,  B01D21/34 ,  H04R23/00 ,  G01N15/14

CPC分类号： G01N29/036 ,  B01D21/283 ,  B01D21/34 ,  G01N2015/142 ,  H04R23/00

摘要： Apparatus is provided featuring an acoustic driver and a transducer. The acoustic driver is configured to provide an acoustic driver signal having a frequency that can be adjusted to yield a given wavelength, which in turn, will selectively capture a particular particle size of particles in a fluid, mixture or process flow. The transducer is configured to respond to the acoustic driver signal and provide an acoustic signal having a standing wave at the frequency in order to yield the given wavelength that will selectively capture the particular particle size of the particles in the fluid, mixture or process flow, in order to determine the mass of the particles having the particular particle size in the fluid, mixture or process flow.

公开(公告)号：US20140047909A1

公开(公告)日：2014-02-20

申请号：US13983409

申请日：2012-02-06

申请人： Mark R. Fernald ,  Timothy J. Bailey

发明人： Mark R. Fernald ,  Timothy J. Bailey

IPC分类号： G01N29/036

CPC分类号： G01N29/036 ,  B01D21/283 ,  B01D21/34 ,  G01N2015/142 ,  H04R23/00

摘要： Apparatus is provided featuring an acoustic driver and a transducer. The acoustic driver is configured to provide an acoustic driver signal having a frequency that can be adjusted to yield a given wavelength, which in turn, will selectively capture a particular particle size of particles in a fluid, mixture or process flow. The transducer is configured to respond to the acoustic driver signal and provide an acoustic signal having a standing wave at the frequency in order to yield the given wavelength that will selectively capture the particular particle size of the particles in the fluid, mixture or process flow, in order to determine the mass of the particles having the particular particle size in the fluid, mixture or process flow.

摘要翻译： 提供具有声学驱动器和换能器的装置。 声学驱动器被配置为提供具有可被调节以产生给定波长的频率的声学驱动器信号，该频率又将选择性地捕获流体，混合物或过程流中特定粒子的粒子。 换能器被配置为响应声学驱动器信号并且提供具有频率驻波的声信号，以产生将选择性地捕获流体，混合物或过程流中的颗粒的特定粒度的给定波长， 以确定在流体，混合物或工艺流程中具有特定粒度的颗粒的质量。

公开(公告)号：US09833763B2

公开(公告)日：2017-12-05

申请号：US13983398

申请日：2012-02-06

申请人： Mark R. Fernald ,  Timothy J. Bailey

发明人： Mark R. Fernald ,  Timothy J. Bailey

IPC分类号： B01J19/10 ,  G01F23/296 ,  B03D1/02

CPC分类号： B01J19/10 ,  B01J2219/0877 ,  B03D1/028 ,  G01F23/2961 ,  G01F23/2967

摘要： Apparatus features a container and a transducer. The container is made of a selected material and has a container wall with a selected thickness, and configured to hold a fluid therein. The transducer is configured on the outside of the container wall, and is also configured to provide a standing wave into the fluid. The selected thickness and material of the container wall is chosen to ensure about a ½ wavelength of a desired frequency exists within the container wall, so as to substantially reduce back reflections toward the transducer due to any mismatch in acoustic impedance at the interface between the container wall and the fluid, and so as to substantially maximize the amount of energy delivered to the fluid, thus improving the operating efficiency of the apparatus.

公开(公告)号：US20110118998A1

公开(公告)日：2011-05-19

申请号：US12992927

申请日：2009-05-20

申请人： Douglas H. Loose ,  Christian Victor O'keefe ,  Robert J. Maron ,  Joseph L. Poplawski ,  Mike A. Davis ,  Mark R. Fernald ,  Timothy J. Bailey

发明人： Douglas H. Loose ,  Christian Victor O'keefe ,  Robert J. Maron ,  Joseph L. Poplawski ,  Mike A. Davis ,  Mark R. Fernald ,  Timothy J. Bailey

IPC分类号： G06F19/00

CPC分类号： F04D15/0088 ,  G01H1/00 ,  G01N29/14

摘要： The present invention provides a processor or signal processing module that features one or more modules configured to receive an input signal containing information about the unsteady pressures or acoustic emissions caused by a medium flowing through a pump, and also configured to provide of an output signal containing information about the performance of the pump. The information about the performance of the pump may include information about pump performance monitoring by a slip flow measurement, about predicting impeller wear, about pump impeller cavitation monitoring, about pump monitoring through acoustic emissions, about pump leak detection, about pump efficiency monitoring and about positive displacement pump monitoring.

摘要翻译： 本发明提供了一种处理器或信号处理模块，其特征在于一个或多个模块，其被配置为接收包含由流经泵的介质引起的不稳定压力或声发射的信息的输入信号，并且还被配置为提供包含 有关泵的性能的信息。 关于泵的性能的信息可以包括关于通过滑流测量的泵性能监测的信息，关于预测叶轮磨损，关于泵叶轮空化监测，关于通过声发射的泵监测，关于泵泄漏检测，关于泵效率监测和关于 正排量泵监测。

公开(公告)号：US20130068027A1

公开(公告)日：2013-03-21

申请号：US13635449

申请日：2011-03-18

申请人： James M. Sullivan ,  Mark R. Fernald

发明人： James M. Sullivan ,  Mark R. Fernald

IPC分类号： G01N29/04 ,  G06F19/00

CPC分类号： G01B17/02 ,  G01N29/07 ,  G01N2291/02854 ,  G01N2291/2636

摘要： A method for monitoring wall thickness of an industrial piping component or pump/fluid machinery, including a pump casing for a pump used for pumping an abrasive fluid or slurry, comprising providing a signal containing information about a ultrasonic-based transducer pulse from a discrete ultrasonic-based transducer attached directly on an industrial piping component or pump/fluid machinery at a local point of interest and configured to inject the ultrasonic-based transducer pulse into the industrial piping component or pump/fluid machinery at the local point of interest and sense the ultrasonic-based transducer pulse reflected off a wall of the industrial piping component or pump/fluid machinery at the local point of interest; and determining with an electronic monitoring system the thickness of the wall of the industrial piping component or pump/fluid machinery at the local point of interest based at least partly on the signal received containing information about the discrete ultrasonic-based transducer pulse sensed. The discrete ultrasonic-based transducer may include a discrete ultrasonic-based piezoelectric transducer.

摘要翻译： 一种用于监测工业管道部件或泵/流体机械的壁厚的方法，包括用于泵送磨料流体或浆料的泵的泵壳体，包括提供包含来自离散超声波的基于超声波传感器脉冲的信息的信号 基于传感器的传感器直接连接在工业管道部件或泵/流体机械上，并且被配置为将基于超声波的传感器脉冲喷射到工业管道部件或泵/流体机械中并感测其位置 基于超声波的换能器脉冲从当地兴趣点的工业管道部件或泵/流体机械的壁反射出来; 以及至少部分地基于所接收的包含关于基于离散的基于超声波的换能器脉冲的信号的信号，利用电子监视系统确定工业管道部件或泵/流体机械的壁的厚度。 离散的基于超声波的换能器可以包括离散的基于超声波的压电换能器。

公开(公告)号：US09995609B2

公开(公告)日：2018-06-12

申请号：US13583237

申请日：2011-03-09

申请人： Mark R. Fernald

发明人： Mark R. Fernald

IPC分类号： G01F1/00 ,  G01F1/66 ,  G01F1/708 ,  G01F1/712 ,  G06F11/30

CPC分类号： G01F1/66 ,  G01F1/708 ,  G01F1/7082 ,  G01F1/712

摘要： A signal processor receives a signal containing information about a sensor that is spirally wrapped at a known pitch or separation down a pipe having a flow; and determines a flow velocity based at least partly on the information contained in the signal received by applying an autocorrelation function that depends on a relationship between the time between a repeating pattern and the known pitch or separation of the spirally wrapped sensor. The signal processor provides a corresponding signal containing information about the flow velocity. The sensor includes a strain sensor, including a piezo-electric polymer strain sensor fabricated from PVDF, and/or two or more equally spaced spirally wound sensors. The determining includes correlating output signals of two or more equally spaced spirally wound sensors to determine a time delay, and determining the flow velocity based on the time delay and the known pitch or separation.

公开(公告)号：US09360309B2

公开(公告)日：2016-06-07

申请号：US13635449

申请日：2011-03-18

申请人： James Michael Sullivan ,  Mark R. Fernald

发明人： James Michael Sullivan ,  Mark R. Fernald

IPC分类号： G01N29/04 ,  G06F19/00 ,  G01B17/02 ,  G01N29/07

CPC分类号： G01B17/02 ,  G01N29/07 ,  G01N2291/02854 ,  G01N2291/2636

摘要： A method for monitoring wall thickness of an industrial piping component or pump/fluid machinery, including a pump casing for a pump used for pumping an abrasive fluid or slurry, comprising providing a signal containing information about a ultrasonic-based transducer pulse from a discrete ultrasonic-based transducer attached directly on an industrial piping component or pump/fluid machinery at a local point of interest and configured to inject the ultrasonic-based transducer pulse into the industrial piping component or pump/fluid machinery at the local point of interest and sense the ultrasonic-based transducer pulse reflected off a wall of the industrial piping component or pump/fluid machinery at the local point of interest; and determining with an electronic monitoring system the thickness of the wall of the industrial piping component or pump/fluid machinery at the local point of interest based at least partly on the signal received containing information about the discrete ultrasonic-based transducer pulse sensed. The discrete ultrasonic-based transducer may include a discrete ultrasonic-based piezoelectric transducer.

摘要翻译： 一种用于监测工业管道部件或泵/流体机械的壁厚的方法，包括用于泵送磨料流体或浆料的泵的泵壳体，包括提供包含来自离散超声波的基于超声波传感器脉冲的信息的信号 基于传感器的传感器直接连接在工业管道部件或泵/流体机械上，并且被配置为将基于超声波的传感器脉冲喷射到工业管道部件或泵/流体机械中并感测其位置 基于超声波的换能器脉冲从当地兴趣点的工业管道部件或泵/流体机械的壁反射出来; 以及至少部分地基于所接收的包含关于基于离散的基于超声波的换能器脉冲的信号的信号，利用电子监视系统确定工业管道部件或泵/流体机械的壁的厚度。 离散的基于超声波的换能器可以包括离散的基于超声波的压电换能器。

公开(公告)号：US06606171B1

公开(公告)日：2003-08-12

申请号：US08948108

申请日：1997-10-09

申请人： Jeffrey D. Renk ,  Richard F. Lehman ,  Mark R. Fernald ,  Calvin M. Winey

发明人： Jeffrey D. Renk ,  Richard F. Lehman ,  Mark R. Fernald ,  Calvin M. Winey

IPC分类号： H04N104

CPC分类号： H04N1/00013 ,  H04N1/00002 ,  H04N1/00037 ,  H04N1/00053 ,  H04N1/00063 ,  H04N1/00087 ,  H04N1/02815 ,  H04N1/0284 ,  H04N1/02885 ,  H04N1/121 ,  H04N1/191 ,  H04N1/40056 ,  H04N1/40068 ,  H04N1/401 ,  H04N2201/0412

摘要： A digitizing scanner particularly for scanning transparent films such as X-rays provides an improved illuminator for transmitting light through the film. The illuminator defines a line array of a plurality of individually calibrated and controlled LEDs. The LEDs are calibrated by determining their relative points of projection on a CCD camera array. The camera array scans the LEDs and adjusts them individually to produce a predetermined illumination pattern from the group. The adjustment occurs over a plurality of cycles that address cross-talk between LEDs in the array. The camera includes anti-reflection elements to minimize bounce-back of image light and noise suppression circuitry to reduce low-level signal noise. A central processing unit, interconnected with the camera assembly includes a pixel averager to reduce the inherent resolution of the CCD to a desired level and to attenuate further noise. The scanner can include an illuminator for illuminating a scannable opaque bar-code strip and size-measurement circuitry for determining the relative size and location of the scanned image.

摘要翻译： 特别用于扫描诸如X射线的透明膜的数字化扫描器提供了用于透过膜的光的改进的照明器。 照明器定义多个单独校准和控制的LED的线阵列。 通过确定它们在CCD相机阵列上的相对投影点来校准LED。 相机阵列扫描LED并分别调整它们以从组中产生预定的照明图案。 调整发生在解决阵列中的LED之间的串扰的多个周期中。 相机包括防反射元件，以最小化图像光和噪声抑制电路的反弹，以降低低电平信号噪声。 与相机组件相互连接的中央处理单元包括像素平均器，以将CCD的固有分辨率降低到期望的水平并衰减进一步的噪声。 扫描器可以包括用于照亮可扫描的不透明条形码条的照明器和用于确定扫描图像的相对尺寸和位置的尺寸测量电路。