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1. 发明授权

US06412353B1 Vortex flowmeter with signal processing 有权
标题翻译：具有信号处理的涡街流量计
公开(公告)号：US06412353B1
公开(公告)日：2002-07-02
申请号：US09400503
申请日：1999-09-21
申请人： Lowell A. Kleven , Robert C. Hedtke , David E. Wiklund
发明人： Lowell A. Kleven , Robert C. Hedtke , David E. Wiklund
IPC分类号： G01F132
CPC分类号： G01F15/024 , G01F1/3254 , G01F1/329
摘要： A vortex sensor senses the vortices generated by a vortex generator. A temperature sensor, disposed at a streamlined body within a flow tube, measures a temperature of fluid carried by the flow tube. A circuit coupled to the vortex sensor and to the temperature sensor creates an output indicative of the flow.
摘要翻译：涡流传感器检测涡流发生器产生的涡流。设置在流管内的流线型体上的温度传感器测量由流管承载的流体的温度。耦合到涡流传感器和温度传感器的电路产生指示流量的输出。

2. 发明授权

US06484590B1 Method for measuring fluid flow 有权
标题翻译：测量流体流量的方法
公开(公告)号：US06484590B1
公开(公告)日：2002-11-26
申请号：US09400562
申请日：1999-09-21
申请人： Lowell A. Kleven , Robert C. Hedtke , David E. Wiklund
发明人： Lowell A. Kleven , Robert C. Hedtke , David E. Wiklund
IPC分类号： G01F132
CPC分类号： G01F15/024 , G01F1/3254 , G01F1/329
摘要： A method for measuring fluid flow includes generating vortices in a fluid and relating the fluid flow to a first set of fluid parameters to obtain a first relationship, and relating the fluid flow to a second set of fluid parameters to obtain a second relationship. The first and second sets of fluid parameters are monitored. A first flow value is calculated from the first set of monitor fluid parameters and the first relationship. The second relationship is adjusted based on the first flow value. The output value is calculated from the second set of monitored fluid parameters and the adjusted second relationship.
摘要翻译：用于测量流体流动的方法包括在流体中产生涡流并将流体流与第一组流体参数相关联以获得第一关系，并将流体流与第二组流体参数相关联以获得第二关系。监测第一组和第二组流体参数。从第一组监测流体参数和第一关系计算第一流量值。基于第一流量值调整第二关系。输出值由第二组监测流体参数和经调整的第二关系计算。

3. 发明授权

US06170338B2 Vortex flowmeter with signal processing 失效
标题翻译：具有信号处理的涡街流量计
公开(公告)号：US06170338B2
公开(公告)日：2001-01-09
申请号：US08826167
申请日：1997-03-27
申请人： Lowell A. Kleven , Robert C. Hedtke , David E. Wiklund
发明人： Lowell A. Kleven , Robert C. Hedtke , David E. Wiklund
IPC分类号： G01F132
CPC分类号： G01F15/024 , G01F1/3254 , G01F1/329
摘要： A vortex sensor senses the generated vortices and provides a vortex signal. A filtering circuit is coupling to the vortex sensor to receive the vortex signal and provide an output indicative of fluid flow. A temperature sensor senses a temperature of the fluid and provides a temperature value, while a pressure sensor senses a pressure of the fluid and provides a pressure value. A processor is operably coupled to the filtering circuit, the temperature sensor, and the pressure sensor for receiving the output, the temperature value, and the pressure value, respectively. The processor calculates a calibration factor as a function of the output, the temperature value, and the pressure value for use in calculating the output value indicative of the flow rate of the fluid.
摘要翻译：涡流传感器感测所产生的涡流并提供涡流信号。滤波电路耦合到涡流传感器以接收涡流信号并提供指示流体流动的输出。温度传感器检测流体的温度并提供温度值，同时压力传感器感测流体的压力并提供压力值。处理器可操作地耦合到过滤电路，温度传感器和用于分别接收输出，温度值和压力值的压力传感器。处理器根据输出，温度值和压力值来计算校准因子，用于计算表示流体流量的输出值。

4. 发明授权

US06651512B1 Ancillary process outputs of a vortex flowmeter 有权
标题翻译：涡街流量计的辅助过程输出
公开(公告)号：US06651512B1
公开(公告)日：2003-11-25
申请号：US09399707
申请日：1999-09-21
申请人： Lowell A. Kleven , Robert C. Hedtke
发明人： Lowell A. Kleven , Robert C. Hedtke
IPC分类号： G01F132
CPC分类号： G01F15/024 , G01F1/3254 , G01F1/329
摘要： A method and apparatus measures a fluid flow using generated vortices. A flow rate is calculated from at least the frequency of the vortices. Warnings are generated for other characteristics of the vortices and fluid measure.
摘要翻译：一种方法和装置使用产生的涡流测量流体流动。至少从涡流的频率计算流量。为涡流和流体测量的其他特征产生警告。

5. 发明申请

US20130333440A1 DIFFERENTIAL PRESSURE TRANSMITTER WITH PRESSURE SENSOR 有权
标题翻译：带压力传感器的差压变送器
公开(公告)号：US20130333440A1
公开(公告)日：2013-12-19
申请号：US13527075
申请日：2012-06-19
申请人： Robert C. Hedtke
发明人： Robert C. Hedtke
IPC分类号： G01L9/00 , G01L27/00
CPC分类号： G01L27/007 , G01L9/0072 , G01L13/025
摘要： A process variable transmitter for measuring a pressure of a process fluid includes a first inlet configured to couple to a first process pressure and a second inlet configured to couple to a second process pressure. A differential pressure sensor couples to the first and second inlets and provides an output related to a differential pressure between the first pressure and the second pressure. A first pressure sensor couples to the first inlet and provides an output related to the first pressure. Transmitter circuitry provides a transmitter output based upon the output from the differential pressure sensor and further provides enhanced functionality based upon the output from the first pressure sensor.
摘要翻译：用于测量过程流体的压力的过程变量发射器包括被配置为耦合到第一过程压力的第一入口和被配置为耦合到第二过程压力的第二入口。差压传感器耦合到第一和第二入口并且提供与第一压力和第二压力之间的压差相关的输出。第一压力传感器耦合到第一入口并提供与第一压力相关的输出。发射器电路基于差压传感器的输出提供发射机输出，并且还基于来自第一压力传感器的输出提供增强的功能。

6. 发明申请

US20130312531A1 PRESSURE TRANSMITTER WITH HYDROGEN GETTER 有权
标题翻译：带压力变送器的压力变送器
公开(公告)号：US20130312531A1
公开(公告)日：2013-11-28
申请号：US13477418
申请日：2012-05-22
申请人： Robert C. Hedtke
发明人： Robert C. Hedtke
IPC分类号： G01L7/08
CPC分类号： G01L19/0645
摘要： A process variable transmitter for measuring a pressure of a process fluid includes a sensor module, a pressure inlet formed in the sensor module, an isolation diaphragm positioned in the pressure inlet, a pressure sensor and an isolation tube containing a fill fluid to convey a process fluid related pressure from the isolation diaphragm to the pressure sensor. A hydrogen getter material is positioned in contact with the fill fluid between the isolation diaphragm and the pressure sensor to remove hydrogen from the fill fluid.
摘要翻译：用于测量过程流体的压力的过程变量发送器包括传感器模块，形成在传感器模块中的压力入口，位于压力入口中的隔离膜，压力传感器和包含填充流体以输送过程的隔离管流体相关压力从隔离膜片到压力传感器。氢吸气剂材料定位成与隔离膜片和压力传感器之间的填充流体接触以从填充流体中去除氢气。

7. 发明授权

US08250924B2 Industrial process device utilizing piezoelectric transducer 有权
标题翻译：利用压电换能器的工业过程装置
公开(公告)号：US08250924B2
公开(公告)日：2012-08-28
申请号：US12107225
申请日：2008-04-22
申请人： Robert C. Hedtke
发明人： Robert C. Hedtke
IPC分类号： G01H11/08 , G01F1/20 , G01F1/32
CPC分类号： G01L9/00 , G01H11/08 , G01L9/0008 , G01L9/0022 , G05B11/01
摘要： A process device for coupling to an industrial process for use in monitoring or controlling the process includes a device housing configured to physically couple to the industrial process. A process variable sensor is configured to measure a process variable and measurement circuitry coupled to the process variable sensor provides an output related to the sensed process variable. A piezoelectric transducer provides an electrical output related to pressure pulsations in the industrial process. Electrical circuitry in the housing includes an input configured to receive the electrical output from the piezoelectric sensor.
摘要翻译：用于耦合到用于监测或控制过程的工业过程的过程装置包括被配置为物理地耦合到工业过程的装置壳体。过程变量传感器被配置为测量过程变量，耦合到过程变量传感器的测量电路提供与所感测的过程变量相关的输出。压电传感器提供与工业过程中的压力脉动相关的电输出。外壳中的电路包括被配置为接收来自压电传感器的电输出的输入。

8. 发明授权

US07918134B2 Thermal-based diagnostic system for process transmitter 有权
标题翻译：用于过程变送器的基于热的诊断系统
公开(公告)号：US07918134B2
公开(公告)日：2011-04-05
申请号：US12287106
申请日：2008-10-06
申请人： Robert C. Hedtke , Charles R. Willcox , David A. Broden , Andrew Juri Klosinski , John P. Schulte
发明人： Robert C. Hedtke , Charles R. Willcox , David A. Broden , Andrew Juri Klosinski , John P. Schulte
IPC分类号： G01L9/12
CPC分类号： G01L27/005 , G01L27/007 , Y02P80/114
摘要： A process transmitter for measuring a process variable in an industrial process comprises a sensor module, a heating device and transmitter circuitry. The sensor module has a sensor for sensing a process variable of an industrial process and generating a sensor signal. The heating device is connected to the sensor module for generating a heat pulse to influence generation of the sensor signal. The transmitter circuitry is connected to the sensor and the heating device. The transmitter circuitry verifies operation of the sensor by measuring a change in the sensor signal due to the heat pulse. In one embodiment of the invention, the heat pulse thermally expands a volume of a fill fluid within the process transmitter. In another embodiment, the heat pulse changes a physical property, such as dielectric, of a fill fluid within the process transmitter.
摘要翻译：用于测量工业过程中的过程变量的过程变送器包括传感器模块，加热装置和发射器电路。传感器模块具有用于感测工业过程的过程变量并产生传感器信号的传感器。加热装置连接到传感器模块，用于产生热脉冲以影响传感器信号的产生。发射机电路连接到传感器和加热装置。发射机电路通过测量由于热脉冲引起的传感器信号的变化来验证传感器的操作。在本发明的一个实施例中，热脉冲热膨胀过程变送器内的填充流体的体积。在另一个实施例中，热脉冲改变过程变送器内的填充流体的物理性质，例如电介质。

9. 发明申请

US20100148982A1 Proximity sensor system for industrial process transmitter 有权
标题翻译：工业过程变送器接近传感器系统
公开(公告)号：US20100148982A1
公开(公告)日：2010-06-17
申请号：US12660072
申请日：2010-02-19
申请人： Robert C. Hedtke
发明人： Robert C. Hedtke
IPC分类号： G08B21/00
CPC分类号： G01L27/007
摘要： A process transmitter for measuring a process variable comprises a process sensor, transmitter circuitry, a transmitter housing, a mounting component, and a non-contact proximity sensor. The process sensor senses a process variable of a process fluid. The transmitter circuitry processes a signal from the process sensor. The transmitter housing receives the process sensor and transmitter circuitry. The transmitter mounting component is connected to the housing to isolate the sensor, the transmitter circuitry or the transmitter housing from the process fluid or an external environment. The non-contact proximity sensor system detects a spatial relationship between the transmitter housing and the transmitter mounting component.
摘要翻译：用于测量过程变量的过程变送器包括过程传感器，变送器电路，变送器壳体，安装部件和非接触式接近传感器。过程传感器感测过程流体的过程变量。发射机电路处理来自过程传感器的信号。发射机壳体接收过程传感器和发射机电路。变送器安装部件连接到外壳，以将传感器，变送器电路或变送器壳体与过程流体或外部环境隔离。非接触式接近传感器系统检测变送器外壳和变送器安装部件之间的空间关系。

10. 发明授权

US07702478B2 Process connection for process diagnostics 有权
标题翻译：过程诊断过程连接
公开(公告)号：US07702478B2
公开(公告)日：2010-04-20
申请号：US11364877
申请日：2006-02-28
申请人： Robert C. Hedtke , David A. Broden
发明人： Robert C. Hedtke , David A. Broden
IPC分类号： G01F1/12
CPC分类号： G05B23/0208
摘要： A process coupling for coupling a diagnostic device to process fluid of an industrial process includes a process interface configured to physically couple to the process fluid. A fluid pathway extending from the process interface configured to couple a process interface element of the process device to the process fluid. The fluid pathway is configured to optimize transmission of process noise from the process fluid to the process device for use by the diagnostic device.
摘要翻译：用于将诊断装置耦合到处理工业过程流体的过程耦合包括被配置为物理耦合到过程流体的过程接口。从处理界面延伸的流体通道，被配置为将过程装置的过程界面元件耦合到过程流体。流体通道被配置为优化从过程流体到过程装置的过程噪声的传输，以供诊断装置使用。

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