公开(公告)号：US08311778B2

公开(公告)日：2012-11-13

申请号：US12786806

申请日：2010-05-25

Applicant: Andrew J. Bronczyk ,  Charles E. Goetzinger ,  Jason H. Rud ,  Clarence E. Holmstadt ,  Douglas W. Arntson

Inventor： Andrew J. Bronczyk ,  Charles E. Goetzinger ,  Jason H. Rud ,  Clarence E. Holmstadt ,  Douglas W. Arntson

IPC: G06F15/00

CPC classification number: G05B19/0425 ,  G01D21/00 ,  G05B2219/1163 ,  G05B2219/25006

Abstract: An industrial process control transmitter includes a first input configured to couple to a first sensor, and a second input configured to couple to a second sensor. Measurement circuitry is configured to couple to the first and second sensors and provide an output related to a sensed process variable. A multiplexer is configured to selectively couple the first and second sensors to the measurement circuitry. An equalizer circuit is coupled to the first and second sensors and configured to equalize a voltage potential between the first sensor and the measurement circuitry.

Abstract translation: 工业过程控制发射机包括被配置为耦合到第一传感器的第一输入和被配置为耦合到第二传感器的第二输入。 测量电路被配置为耦合到第一和第二传感器并且提供与感测的过程变量相关的输出。 复用器被配置为选择性地将第一和第二传感器耦合到测量电路。 均衡器电路耦合到第一和第二传感器并且被配置为均衡第一传感器和测量电路之间的电压电位。

公开(公告)号：US08276458B2

公开(公告)日：2012-10-02

申请号：US12834393

申请日：2010-07-12

Applicant: Robert C. Hedtke

Inventor： Robert C. Hedtke

IPC: G01L9/00

CPC classification number: G01L9/125 ,  G01D3/02 ,  G01L9/12

Abstract: An industrial process transmitter includes a sensing system and transmitter electronics. The sensing system senses a process variable over a range. The transmitter electronics is connected to the sensing system and produces a scaled analog communication signal to communicate the process variable over an analog loop. The range is disproportionately distributed over the scale by the transmitter electronics.

Abstract translation: 工业过程变送器包括感测系统和变送器电子器件。 感测系统感测一个范围内的过程变量。 发射机电子设备连接到感测系统，并产生一个缩放的模拟通信信号，以通过模拟环路传送过程变量。 发射机电子设备的范围不成比例地分布在规模上。

公开(公告)号：US08234927B2

公开(公告)日：2012-08-07

申请号：US12796023

申请日：2010-06-08

Applicant: John P. Schulte ,  David G. Tyson ,  Andrew J. Klosinski

Inventor： John P. Schulte ,  David G. Tyson ,  Andrew J. Klosinski

IPC: G01L9/12

CPC classification number: G01L9/0072 ,  G01L13/025 ,  G01L15/00

Abstract: A pressure sensor assembly for sensing a pressure of a process fluid includes a sensor body having a cavity formed therein and first and second openings to the cavity configured to apply first and second pressures. A diaphragm in the cavity separates the first opening from the second opening and is configured to deflect in response to a differential pressure between the first pressure and the second pressure. A capacitance based deformation sensor is provided and configured to sense deformation of the sensor body in response to a line pressure applied to the sensor body.

Abstract translation: 用于感测过程流体的压力的压力传感器组件包括具有形成在其中的空腔的传感器主体，并且被配置为施加第一和第二压力的空腔的第一和第二开口。 空腔中的隔膜将第一开口与第二开口分离，并且构造成响应于第一压力和第二压力之间的压差而偏转。 基于电容的变形传感器被提供和配置为响应于施加到传感器主体的管线压力来感测传感器主体的变形。

公开(公告)号：US08208635B2

公开(公告)日：2012-06-26

申请号：US11983943

申请日：2007-11-13

Applicant: Robert J. Karschnia ,  Marcos Peluso ,  Daniel Carlson ,  Jeffrey D. Potter

Inventor： Robert J. Karschnia ,  Marcos Peluso ,  Daniel Carlson ,  Jeffrey D. Potter

IPC: H04L29/06 ,  H04L9/00

CPC classification number: H04L9/083 ,  H04L63/0853 ,  H04L2209/80 ,  H04W12/04 ,  H04W84/18

Abstract: A wireless mesh network provides secure communication by encrypting data using one or more encryption keys. A configuration device in communication with a security manager of the network provides a temporary secure communication path between the security manager and a new field device to be added to the mesh network. Cryptographic material and other configuration data can then be transferred between the security manager of the network and the new field device securely via the configuration device.

Abstract translation: 无线网状网络通过使用一个或多个加密密钥加密数据来提供安全通信。 与网络的安全管理器通信的配置设备在安全管理器和要添加到网状网络的新现场设备之间提供临时安全通信路径。 然后可以通过配置设备安全地在网络的安全管理器和新的现场设备之间传送加密材料和其他配置数据。

公开(公告)号：US08208581B2

公开(公告)日：2012-06-26

申请号：US12850995

申请日：2010-08-05

Applicant: Brian Lee Westfield ,  Kelly Michael Orth

Inventor： Brian Lee Westfield ,  Kelly Michael Orth

IPC: H04L27/00

CPC classification number: G01D11/24 ,  G01D3/08 ,  G01D11/245

Abstract: A process variable transmitter that preferably includes a transmitter output circuit that provides bidirectional HART and controller area network communication transceiver lines. The transmitter output circuit also includes sensor circuit interface contacts. An isolated circuit couples to the sensor circuit interface contacts. The isolated circuit includes sensor circuitry sensing a process variable. The isolated circuit further comprises a galvanic isolation barrier galvanically isolating the sensor circuitry from the HART and controller area network transceiver lines. A stacked power supply provides power management. Other aspects may include a controller area network current limiter diagnostic output, timed sequencing of microcontroller startup and shutdown, a local operator interface and power management.

Abstract translation: 一种过程变量发送器，其优选地包括提供双向HART和控制器区域网络通信收发器线路的发射机输出电路。 发射机输出电路还包括传感器电路接口触点。 隔离电路耦合到传感器电路接口触点。 隔离电路包括感测过程变量的传感器电路。 隔离电路还包括电流隔离屏障，将传感器电路与HART和控制器区域网络收发器线电隔离。 堆叠电源提供电源管理。 其他方面可能包括控制器局域网电流限制器诊断输出，微控制器启动和关机的定时排序，本地操作员接口和电源管理。

公开(公告)号：US20120134280A1

公开(公告)日：2012-05-31

申请号：US12955072

申请日：2010-11-29

Applicant: Eric Darrell Rotvold ,  Kelly Michael Orth ,  Daniel Clifford Carlson ,  Theodore Henry Schnaare ,  Joseph Citrano, III

Inventor： Eric Darrell Rotvold ,  Kelly Michael Orth ,  Daniel Clifford Carlson ,  Theodore Henry Schnaare ,  Joseph Citrano, III

IPC: H04W24/00

CPC classification number: H04B17/327 ,  H04B17/24 ,  H04B17/345 ,  H04W24/08 ,  H04W84/18 ,  H04W88/08 ,  Y02D70/142 ,  Y02D70/144 ,  Y02D70/22

Abstract: A system for measuring and analyzing radio frequency power proximate and within a wireless field device mesh network. A centralized software module (CSWM) collects and analyzes values from one or more wireless devices of the wireless field device mesh network representing received RF power measurements on an assigned RF channel and values representing corresponding times of the received RF power measurements. Each wireless device measures received RF power on the assigned RF channel at times other than during reception of a signal resulting in transmission by the wireless device of either an acknowledgment signal or a non-acknowledgement signal. Values representing the received RF power measurements and the corresponding times of the received RF power measurements are determined from the stored received RF power measurements and corresponding times and then discarded. These values are stored within the wireless device until successfully reported. A network manager coordinates communication between the wireless devices and synchronizes the corresponding times of received RF power measurement throughout the wireless field device mesh network.

Abstract translation: 一种用于测量和分析无线现场设备网状网络内和附近的射频功率的系统。 集中式软件模块（CSWM）收集并分析在分配的RF信道上表示所接收的RF功率测量的无线现场设备网状网络的一个或多个无线设备的值和表示所接收的RF功率测量的相应时间的值。 每个无线设备在接收到导致由无线设备发送的确认信号或非确认信号的信号之外的时刻，在所分配的RF信道上测量接收到的RF功率。 代表所接收的RF功率测量值和接收到的RF功率测量的相应时间的值根据存储的接收的RF功率测量值和相应的时间确定，然后被丢弃。 这些值存储在无线设备中，直到成功报告。 一个网络管理器协调无线设备之间的通信，并且在整个无线现场设备网状网络中同步所接收的RF功率测量的相应时间。

公开(公告)号：US08188359B2

公开(公告)日：2012-05-29

申请号：US11529767

申请日：2006-09-28

Applicant: Swapan Chakraborty

Inventor： Swapan Chakraborty

IPC: H01L35/00 ,  H01L37/00 ,  H01L35/34 ,  H01L35/30 ,  H01L35/28 ,  H01L35/14 ,  H01L35/20 ,  H01L35/02 ,  H01L35/16 ,  H01L35/22

CPC classification number: H01L35/30 ,  F28D15/02 ,  F28D15/025 ,  F28D15/0275

Abstract: A thermoelectric generator assembly includes a thermoelectric generator with hot and cold junction flanges. The hot junction flange includes an adapter shaped for thermally coupling to a process vessel. The thermoelectric generator producing a thermoelectric power output. A heat sink thermally couples to ambient air and has a heat sink flange. A heat pipe assembly includes fluid in a circulation chamber. The circulation chamber has an evaporator flange mounted to the cold junction flange and a condenser flange mounted to the heat sink flange. At least a portion of the fluid transports heat from the evaporator flange to the condenser flange. When a heat pipe assembly on a cold junction flange is used with many of the types of heat flows that are available in process industries, more efficient thermoelectric power generation can be provided in the process industries.

Abstract translation: 热电发电机组件包括具有热和冷接合凸缘的热电发电机。 热连接凸缘包括适于热耦合到处理容器的适配器。 产生热电功率输出的热电发电机。 散热片热耦合到环境空气中并具有散热器法兰。 热管组件包括循环腔中的流体。 循环室具有安装到冷连接法兰的蒸发器法兰和安装到散热器法兰的冷凝器法兰。 流体的至少一部分将热量从蒸发器凸缘输送到冷凝器凸缘。 当冷连接法兰上的热管组件与过程工业中可用的许多类型的热流一起使用时，可以在过程工业中提供更有效的热电发电。

公开(公告)号：US20120063065A1

公开(公告)日：2012-03-15

申请号：US12807758

申请日：2010-09-14

Applicant: Aaron Andrew Perrault ,  Daniel Justin Herzog

Inventor： Aaron Andrew Perrault ,  Daniel Justin Herzog

IPC: H05K7/00 ,  H05K13/00

CPC classification number: H05K7/1462 ,  G01D11/245 ,  Y10T29/49002

Abstract: A field device assembly includes a housing body, a first circuitry subassembly mounted to the housing body and positioned at least partially within the housing body, a first cover chassis having a shoulder, mating flame path restricting structures positioned on the first cover chassis and the housing body, a first threaded collar configured to fit about the first cover chassis and to permit rotation relative to the first cover chassis, and a second circuitry subassembly secured to the first cover chassis. The first threaded collar is threadably engaged with the housing body, and includes an engagement structure engaged with the shoulder of the first cover chassis to secure the first cover chassis to the housing body. The second circuitry subassembly includes an electrical connector configured for linear insertion engagement with a mating electrical connector within the housing body to electrically connect the first and second circuitry subassemblies.

Abstract translation: 现场设备组件包括壳体，安装到壳体并且至少部分地定位在壳体内的第一电路子组件，具有肩部的第一盖底盘，位于第一盖底盘上的配合火焰通道限制结构和壳体 主体，构造成围绕第一盖底盘配合并允许相对于第一盖底盘旋转的第一螺纹轴环，以及固定到第一盖底盘的第二电路子组件。 第一螺纹轴环与壳体主体螺纹接合，并且包括与第一盖底盘的肩部接合以将第一盖底板固定到壳体的接合结构。 第二电路子组件包括电连接器，其被配置为与壳体内的配合电连接器线性插入接合，以电连接第一和第二电路子组件。

公开(公告)号：US08132464B2

公开(公告)日：2012-03-13

申请号：US12834245

申请日：2010-07-12

Applicant: David A. Broden ,  Robert C. Hedtke ,  Andrew J. Klosinski ,  Fred C. Sittler

Inventor： David A. Broden ,  Robert C. Hedtke ,  Andrew J. Klosinski ,  Fred C. Sittler

IPC: G01L13/02

CPC classification number: G01L13/026 ,  G01F1/383 ,  G01F1/50 ,  G01L9/125 ,  G01L15/00 ,  G01L27/002 ,  G01L27/007

Abstract: A process variable transmitter for measuring a pressure of a process fluid includes a process coupling having a first port configured to couple to a first process pressure and a second port configured to couple to a second process pressure. A differential pressure sensor is coupled to the first and second ports and provides an output related to a differential pressure between the first pressure and the second pressure. First and second pressure sensors couple to the respective first and second ports and provide outputs related to the first and second pressures. Transmitter circuitry is configured to provide a transmitter output based upon the output from the differential pressure sensor and/or the first and/or second pressure sensors. Additional functionality is provided by the transmitter using the sensed first and/or second pressures.

Abstract translation: 用于测量过程流体的压力的过程变量发射器包括具有被配置为耦合到第一过程压力的第一端口和被配置为耦合到第二过程压力的第二端口的过程联接。 差压传感器耦合到第一和第二端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。 第一和第二压力传感器耦合到相应的第一和第二端口并提供与第一和第二压力相关的输出。 发射器电路被配置为基于来自差压传感器和/或第一和/或第二压力传感器的输出来提供发射器输出。 使用感测到的第一和/或第二压力由发射机提供附加功能。

公开(公告)号：US08079269B2

公开(公告)日：2011-12-20

申请号：US11803971

申请日：2007-05-16

Applicant: Swapan Chakraborty

Inventor： Swapan Chakraborty

IPC: G01L7/08

CPC classification number: G01L9/0072 ,  G01L9/0005 ,  G01L9/0042 ,  G01L9/0044 ,  G01L13/025

Abstract: A pressure sensor comprises a first pressure chamber containing fill fluid at a first pressure, a second pressure chamber containing fill fluid at a second pressure, a porous dielectric diaphragm having first and second major surfaces exposed to the first and second pressure chambers, and first and second electrodes positioned with respect to the first and second major surfaces. A method for sensing pressure is also disclosed, comprising applying first and second pressures to fill fluid in first and second pressure chambers of a pressure sensor having a porous dielectric diaphragm, and producing an output representative of a pressure differential between the pressures, as a function of surface charges on first and second major surfaces of the porous dielectric diaphragm.

Abstract translation: 压力传感器包括在第一压力下容纳填充流体的第一压力室，在第二压力下容纳填充流体的第二压力室，具有暴露于第一和第二压力室的第一和第二主表面的多孔绝缘膜，以及第一和第 相对于第一和第二主表面定位的第二电极。 还公开了用于感测压力的方法，包括施加第一和第二压力以填充具有多孔介质隔膜的压力传感器的第一和第二压力室中的流体，并产生代表压力之间的压差的输出，作为功能 在多孔介质隔膜的第一和第二主表面上的表面电荷。