Assignee: Rosemount Inc.

Location: Eden Prairie, MN
No. of patents: 232

Number	Title	Issue Date
8180466	Process device with supervisory overlayer A process device is configured to meet a desired Safety Integrity Level (SIL). A device interface is configured to couple to the process device and provide an output related to operation of a component of the process device. A component monitor monitors operation of...	05/15/2012
8175754	Configuration of a multivariable process fluid flow device A method of providing configuration information for a process fluid flow device is provided. The method includes receiving a process fluid selection and providing at least one selectable fluid property relative to the selected process fluid and receiving at least on...	05/08/2012
8160535	RF adapter for field device An adapter for coupling to a process control transmitter of the type used to monitor a process variable in an industrial process is provided. The adapter includes I/O circuitry configured to couple to a two wire process control loop and to the process control transm...	04/17/2012
8145180	Power generation for process devices A process device includes a controller and a wireless communications module. The wireless communications module is coupled to the controller. A power generation module is provided to generate electricity for the process device. The power generator module can be disp...	03/27/2012
8132464	Differential pressure transmitter with complimentary dual absolute pressure sensors 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 s...	03/13/2012
8103316	Power management system for a field device on a wireless network A field device includes a power control module, a network interface module that communicates over a wireless network, and a device interface module for operating transducers, such as a sensor or an actuator. The power control module controls distribution of electric...	01/24/2012
8099856	Self-crimping fill tube assembly A crimping system for a fill tube of an industrial process transmitter system comprises a collar, a fill tube and crimp jaws. The collar comprises a passageway for receiving the fill tube, and a seat surrounding the passageway. The fill tube extends through the pass...	01/24/2012
8098696	Detection and compensation of multiplexer leakage current A multiplexed input/output (I/O) system detects leakage currents on a selected input channel. The system includes a leakage detection multiplexer connected to provide an output selected from one of a plurality of input channels. In addition, the leakage detection mu...	01/17/2012
8085156	RF cavity-based process fluid sensor A remote system for sensing a process fluid parameter comprises a cavity, a tuner and a signal coupler. The cavity is configured to resonate at a central frequency that shifts in response to the process fluid parameter. The tuner is configured to tune the central fr...	12/27/2011
8079269	Electrostatic pressure sensor with porous dielectric diaphragm 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...	12/20/2011
8050875	Steam trap monitoring An electronic steam trap monitor includes an electric generator configure to couple to a stream trap proximate a potential leak location. The generator generates electricity in response to a process variable from the potential leak location. Communication circuitry ...	11/01/2011
8049361	RF adapter for field device with loop current bypass A wireless adapter for use with a two-wire process control loop is configured to couple to a process field device in an industrial process control system. The wireless adapter is coupled to the two-wire process control loop and provides wireless communication to the...	11/01/2011
8045333	Intrinsically safe compliant circuit element spacing A compliant circuit element spacing system comprises a circuit board, a dummy spacer component, and a compliant circuit element. One or more active components are mounted to the circuit board. The dummy spacer component is also mounted to the circuit board, such tha...	10/25/2011
8033175	Temperature compensation of a multivariable pressure transmitter A multivariable process fluid pressure transmitter includes an electronics module and a sensor module. The sensor module is coupled to the electronics module. A process fluid temperature sensor is coupled to the process fluid pressure transmitter. A differential pre...	10/11/2011
8032234	Diagnostics in process control and monitoring systems A condition of an industrial process is diagnosed based upon process variable information related to a value of a measured process variable. Histogram information is calculated based upon the determined process variable information and time information related to a ...	10/04/2011
8031453	Industrial process field device with improved battery assembly An industrial process field device is provided. The device includes wireless process field device electronics disposed within the industrial process field device and at least one battery cell disposed within the industrial process field device and operably coupled t...	10/04/2011
8015882	Industrial process control pressure transmitter and flange coupling A pressure transmitter for measuring a pressure of a process fluid in an industrial process, includes a pressure sensor having an output related to an applied pressure. Measurement circuitry coupled to the pressure sensor is configured to provide a transmitter outpu...	09/13/2011
8005020	Wireless mesh network with multisized timeslots for TDMA communication A wireless mesh network uses communication frames that can include timeslots of different sizes depending on communication speed capabilities of the devices assigned to the timeslots. The communication frame is divided into timeslot increments of equal length. The t...	08/23/2011
8000841	Power management in a process transmitter An industrial process transmitter for transmitting a process variable on a two-wire process control loop include, a loop current control to control a loop current level on the two-wire process control loop that is related to the process variable. Power is provided t...	08/16/2011
7996161	Process fluid pressure transmitter with pressure transient detection A process fluid pressure transmitter includes a process fluid pressure sensor, measurement circuitry, a controller and a loop communicator. The pressure sensor is coupleable to a source of process fluid pressure. Measurement circuitry is coupled to the process fluid...	08/09/2011
7991582	Process device with diagnostic annunciation A process device for coupling to a two-wire process control loop—includes diagnostic circuitry configured to identify a failure or reduced level of performance or provide a prediction of a future failure or reduced level of performance. An output coupled to the tw...	08/02/2011
7984652	Clad industrial process transmitter housing with chassis An industrial process transmitter apparatus includes a housing chassis of a first metallic material and a housing skin of a second metallic material. The housing chassis includes a substantially cylindrical body portion, a first circumferentially extending support m...	07/26/2011
7982580	High vibration thin film RTD sensor A temperature sensor capable of operation in high vibration environment includes a sensor sheath mounted at the distal end of a mineral insulated cable. A resistance temperature detector (RTD) sensing element is connected to leads of the cable within the sheath. The...	07/19/2011
7980481	Thermally controlled process interface A field device is coupled to a process through at least one process interface element. The process interface element may be a field device flange, a manifold, or a process flange. The process interface element has a temperature sensor attached thereto, and is adapte...	07/19/2011
7977924	Industrial process power scavenging device and method of deriving process device power from an industrial process In a particular embodiment, a process device includes a fluid disruption generation element to generate a fluid disruption within process fluid flowing through a pipe associated with an industrial process and a process variable sensor coupled to the disruption gener...	07/12/2011
7970063	Variable liftoff voltage process field device A field transmitter includes field device circuitry configured to measure or control a process variable. A first process control loop terminal is configured to couple to a two-wire process control loop which carries a loop current. A second process control loop term...	06/28/2011
7963173	Magnetic flowmeter for measuring flow A magnetic flowmeter for measuring flow of a flow of process fluid, includes a flow tube arranged to receive the flow of process fluid therethrough. A magnetic drive coil proximate the flow tube is arranged to apply a magnetic field to the flow in response to a driv...	06/21/2011
7957708	Process device with improved power generation A wireless field device is disclosed. The field device includes a wireless communications module and an energy conversion module. The wireless communications module is configured to wirelessly communicate process-related information with another device. The energy c...	06/07/2011
7956738	Process field device with radio frequency communication A field device for use in an industrial process control or monitoring system includes terminals configured to connect to a two-wire process control loop. The loop carries data and provides power to the field device. RF circuitry in the field device is provided for r...	06/07/2011
7954383	Method and apparatus for pressure measurement using fill tube A pressure sensor includes a fill tube which is arranged to couple to a process pressure. A sensor is coupled to the fill tube and is configured to measure pressure of fluid in the fill tube as a function of a change of a physical property of the fill tube. Circuitr...	06/07/2011
7944883	Wireless mesh networks A wireless network system includes overlapping wireless mesh networks. Nodes that are members of more than one mesh network are capable of communicating with the gateways of each of those mesh networks, which allows sharing information between interrelated control s...	05/17/2011
7940189	Leak detector for process valve A leak detection system is described for detecting a leak through a closed valve disposed between an upstream pipe and a downstream pipe of an industrial process. An insertable plate is coupled to the valve in the pipe in-line with the fluid flow. A sensor couples t...	05/10/2011
7938020	High pressure magnetic flowmeter with stress resistant electrode assembly An electrode assembly comprises a housing, an electrode, a retainer and a potting material. The housing has a first end and a second end, with the electrode extending from the first end of the housing to a process flow. The retainer is positioned about the electrode...	05/10/2011
7921734	System to detect poor process ground connections A magnetic flowmeter is disclosed that includes a pair of electrodes coupled to a process fluid and a diagnostic circuit coupled to the pair of electrodes to monitor a common mode signal. The diagnostic circuit is adapted to detect a poor ground connection associate...	04/12/2011
7921733	Magnetic flowmeter with coil ground path detection A magnetic flow meter includes a flowtube arranged to receive a flow of process fluid and a coil proximate the flowtube arranged to apply a magnetic field to the process fluid. A sense electrode is arranged to sense a voltage potential in the flowtube in response to...	04/12/2011
7918134	Thermal-based diagnostic system for process transmitter 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 sign...	04/05/2011
7913566	Industrial process device utilizing magnetic induction 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 coil of wire is mounted to the housing and a magnet is configured to move t...	03/29/2011
7889710	Wireless mesh network with locally activated fast active scheduling of wireless messages A wireless mesh network is formed by nodes having a regular active schedule for transmitting and receiving messages, and a fast active schedule mode that is locally activated when a demand exists for transmission of a larger number of messages. As each node transmit...	02/15/2011
7882736	Level measurement using a process vessel cage A process fluid level measurement system is configured to measure a level of at least one process fluid in a vessel. The vessel has a cage with at least one annular isolator located inside the cage. The at least one annular isolator has a band-shaped isolator diaphr...	02/08/2011
7847703	Universal process transmitter connector An electrical connector apparatus for use with a field device includes a housing having a first end and a second end, an electrical feedthrough subassembly, and a visual indicator viewable from outside the housing. The first end of the housing is configured to mecha...	12/07/2010

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Assignee: Rosemount Inc.