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    • 83. 发明授权
    • Methods and apparatus for process device calibration
    • 用于过程设备校准的方法和设备
    • US09285057B2
    • 2016-03-15
    • US13646178
    • 2012-10-05
    • Fisher Controls International LLC
    • Stanley Felix AmirthasamyJames L. Snowbarger
    • G06F11/30F16K37/00
    • F16K37/0075F16K37/0083
    • Methods and apparatus are disclosed for process device calibration. An example method includes determining if a first position of a process control device is a first end position, and in response to the first position being the first end position, calculating a second end position of the process control device based on the first end position and configuration information. The example method further includes calculating a partial stroke zone of the process control device based on the first end position and the second end position, and determining when a current position of the process control device is within the partial stroke zone. The example method also includes, when the current position is within the partial stroke zone, calculating an output bias based on a control signal and a summed value.
    • 公开了用于过程装置校准的方法和装置。 一种示例性方法包括确定过程控制装置的第一位置是否是第一端位置,并且响应于第一位置是第一端位置,基于第一端位置计算过程控制装置的第二端位置,以及 配置信息。 该示例方法还包括基于第一结束位置和第二结束位置计算过程控制设备的部分行程区域,以及确定过程控制设备的当前位置何时在部分行程区域内。 该示例方法还包括当当前位置在部分行程区域内时,基于控制信号和相加值来计算输出偏差。
    • 84. 发明授权
    • Sleeve seal assembly and rotary valve having sleeve seal assembly
    • 套筒密封组件和旋转阀具有套筒密封组件
    • US09285039B2
    • 2016-03-15
    • US14167614
    • 2014-01-29
    • FISHER CONTROLS INTERNATIONAL LLC
    • Randall S. CollisonLoren L. BoveeTonya Probasco
    • F16K5/06
    • F16K5/0663F16K5/0636F16K5/0678
    • A fluid flow control device includes a valve body, a bonnet, a control assembly, an internal recess, and a seal assembly. The valve body defines an inlet portion, an outlet portion, a bonnet opening, and a fluid flow path extending between the inlet portion and the outlet portion. The bonnet is disposed in the bonnet opening. The control assembly is at least partly supported by the bonnet, and includes a ball element disposed within the valve body and rotatable between an open position and a closed position. The internal recess is defined by the valve body downstream from the inlet portion and adjacent the bonnet opening. The seal assembly is disposed within the internal recess and includes a movable sleeve seal, a retaining device, a biasing element, and one or more sealing elements for preventing leakage between the sleeve seal and the retaining device and/or the valve body.
    • 流体流量控制装置包括阀体,阀盖,控制组件,内部凹部和密封组件。 阀体限定入口部分,出口部分,阀盖开口以及在入口部分和出口部分之间延伸的流体流动路径。 发动机罩配置在发动机罩的开口处。 控制组件至少部分地由发动机罩支撑,并且包括设置在阀体内并可在打开位置和关闭位置之间旋转的球元件。 内部凹部由阀体由入口部分下游并与阀盖开口相邻限定。 密封组件设置在内部凹部内,并且包括可移动套筒密封件,保持装置,偏置元件以及用于防止套筒密封件与保持装置和/或阀体之间的泄漏的一个或多个密封元件。
    • 86. 发明授权
    • Methods and apparatus to assemble actuators
    • 组装执行器的方法和装置
    • US09228674B2
    • 2016-01-05
    • US13593199
    • 2012-08-23
    • Daniel Martin Adams
    • Daniel Martin Adams
    • F16K31/00F16K31/122
    • F16K31/1221Y10T29/49863
    • Methods and apparatus to assemble actuators are described. An example method includes positioning a biasing element in a cavity defined by a housing of an actuator such that the biasing element is in an uncompressed state and at least a portion of the biasing element is to extend outside of the cavity beyond an end defined by the housing; compressing the biasing element to a compressed state until the portion of the biasing element extending outside of the cavity is positioned inside the cavity; coupling a cover to the end of the housing to capture the biasing element in the cavity; and maintaining the biasing element in the compressed state during the coupling such that the biasing element does not engage the cover.
    • 描述了组装执行器的方法和装置。 示例性方法包括将偏置元件定位在由致动器的壳体限定的空腔中,使得偏置元件处于未压缩状态,并且偏置元件的至少一部分将延伸到腔外部超过由 住房; 将偏置元件压缩到压缩状态,直到偏置元件延伸到空腔外部的部分位于空腔内; 将盖连接到壳体的端部以捕获空腔中的偏置元件; 并且在联接期间将偏置元件保持在压缩状态,使得偏置元件不接合盖。
    • 90. 发明授权
    • Method and apparatus for wireless communications in a process control or monitoring environment
    • 用于过程控制或监控环境中的无线通信的方法和装置
    • US09124999B2
    • 2015-09-01
    • US13416876
    • 2012-03-09
    • Kenneth W. Junk
    • Kenneth W. Junk
    • H04W4/00G05B19/418H04L29/08
    • H04W4/001G05B19/4186H04L67/12H04W4/50
    • A method in a communication device that implements a communication stack to wirelessly communicate with a remote device according to a general purpose wireless communication protocol, where the remote device operates in a process control environment, includes receiving a request from a software module to establish a wireless communication link with the remote device, establishing a direct connection between the software module and the communication stack, where the direct connection is free of intermediate services, and communicating process data between the software module and the remote device in accordance with an industrial automation protocol over the wireless communication link, where the wireless communication link utilizes the general purpose wireless communication protocol.
    • 根据通用无线通信协议(其中远程设备在过程控制环境中操作)的通信设备中实现通信栈与远程设备进行无线通信的方法包括从软件模块接收建立无线的请求 与远程设备的通信链路,建立软件模块和通信栈之间的直接连接,其中直接连接不具有中间服务,以及根据工业自动化协议在软件模块和远程设备之间传送过程数据 无线通信链路,其中无线通信链路利用通用无线通信协议。