Wireless Control Valve
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United States of America Patent
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Issued Date -
May 18, 2017
app pub date -
Nov 18, 2016
filing date -
Jan 10, 2003
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Abstract
The subject matter of this specification can be embodied in, among other things, a process control valve including a fluid valve body having an inlet for receiving fluid, an outlet for discharging fluid, a fluid flow passage connecting the inlet and outlet, and a controllable throttling element which is moveable to selectively vary the cross-sectional area of flow of at least a portion of the passage, a valve actuator coupled to the valve body and responsive to control signals, a sensor for producing at least one signal representative of at least one of absolute pressure, gage pressure, differential pressure, flow, and temperature within the fluid flow passage, a communication system for receiving configuration information and transmitting status information, and a controller comprising a processor for receiving said signal and configuration information, for developing an output dependent upon the configuration information and the received signal, and for developing the status information.
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