Patents Assigned to Rosemount Inc.
  • Patent number: 11927487
    Abstract: An industrial process monitor for monitoring an industrial process includes a controller configured to control operation of the industrial process monitor. An ambient environment sensor is configured to sense an ambient environment of the industrial process proximate the device and responsively provide a sensor output signal. Output circuitry is configured to provide an output based upon the sensor output signal. The controller causes the ambient environment sensor to enter a high power mode upon detection of an anomaly and/or probable anomaly in the sensor output signal.
    Type: Grant
    Filed: January 25, 2021
    Date of Patent: March 12, 2024
    Assignee: ROSEMOUNT INC.
    Inventor: Theodore Henry Schnaare
  • Patent number: 11924924
    Abstract: A location awareness system including a communication network, and a network operating element coupled to the communication network. At least one anchor network gateway is coupled to the communication network, the at least one anchor network gateway configured to generate a wireless anchor network. A plurality of anchors are configured to couple to one of the at least one anchor network gateway via its respective wireless anchor network. A plurality of tags is each configured to communicate with at least one anchor to provide ranging information for determination of a position of the tag within an area covered by the system.
    Type: Grant
    Filed: September 17, 2019
    Date of Patent: March 5, 2024
    Assignee: ROSEMOUNT INC.
    Inventors: Theodore Henry Schnaare, Robert Karschnia, Cory Robinson, John Allan Kielb, Robert Weinberger, Eric Russell Lovegren, Eric Darrell Rotvold, James A. Johnson, Jared Neuharth
  • Patent number: 11892370
    Abstract: A process oxygen analyzer includes a process probe extendible into a flow of process combustion exhaust, the process probe having an oxygen sensor measurement cell. Measurement circuitry is coupled to the oxygen sensor measurement cell and configured to obtain a non-corrected indication of oxygen concentration relative to a combustion process based on an electrical characteristic of the oxygen sensor measurement cell. A controller is operably coupled to the measurement circuitry and is configured to obtain an indication of process pressure and selectively provide a corrected oxygen concentration output based on non-corrected indication of oxygen concentration and the indication of process pressure. A method of providing a process oxygen concentration using a process oxygen analyzer coupled to an industrial combustion process is also disclosed.
    Type: Grant
    Filed: September 23, 2021
    Date of Patent: February 6, 2024
    Assignee: Rosemount Inc.
    Inventors: Pavel Shuk, Dirk W. Bauschke, David Loberg
  • Patent number: 11879944
    Abstract: A wireless process variable transmitter for use in an industrial process includes a process variable sensor configured to sense a process variable of the industrial process. Measurement circuitry connected to the process variable sensor provides an output related to the sensed process variable. Wireless communication circuitry connected to the measurement circuitry wirelessly transmits information related to the sensed process variable to a remote location. A removable industrial power module is configured to hold a replaceable battery and provide power to the process variable sensor, the measurement circuitry and the wireless communication circuitry. Battery test circuitry in the removable industrial power module connects to the replaceable battery and provides a visual output related to a condition of the replaceable battery.
    Type: Grant
    Filed: March 21, 2022
    Date of Patent: January 23, 2024
    Assignee: ROSEMOUNT INC.
    Inventors: Cody James Skow, Nicholas Aaron Wienhold, Allen Kempke, Jared Joseph Neuharth, John Allan Kielb
  • Patent number: 11843243
    Abstract: A wireless sensor network gateway includes safe side circuitry, hazardous side circuitry and isolation circuitry, which are supported by a housing. The safe side circuitry includes a safe side power circuit, and a safe side data input/output (I/O) circuit. The hazardous side circuitry includes a hazardous side power circuit, and a hazardous side data I/O circuit. The isolation circuitry divides the safe side circuitry from the hazardous side circuitry. The isolation circuitry includes a power isolation circuit that couples the safe side power circuit to the hazardous side power circuit and forms an intrinsic safety barrier between the safe side power circuit and the hazardous side power circuit, and a data isolation circuit that couples the safe side data I/O circuit to the hazardous side data I/O circuit and forms an intrinsic safety barrier between the safe side data I/O circuit and the hazardous side data I/O circuit.
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: December 12, 2023
    Assignee: ROSEMOUNT INC.
    Inventors: Scott T. Hofmeister, Cody J. Skow, Allen J. Kempke, Nicholas A. Wienhold, Theodore H. Schnaare
  • Patent number: 11828641
    Abstract: A vibrating fork liquid level switch includes a vibrating fork assembly arranged to vibrate at a first frequency when in contact with a process fluid and at a second frequency when in contact with air. A drive circuit connected to the vibrating fork assembly is configured to drive the vibrating fork assembly into oscillation. Sense circuitry senses an oscillation frequency of the vibrating fork assembly. Output circuitry provides a first output when the sensed oscillation is at the first frequency and a second output when the sensed oscillation is at the second frequency. Control circuitry controls power applied to the vibrating fork assembly by the drive circuit between a first and a second power level. Verification circuitry verifies the oscillation frequency of the vibrating fork assembly when power applied to the vibrating fork assembly by the drive circuitry is changed.
    Type: Grant
    Filed: March 21, 2022
    Date of Patent: November 28, 2023
    Assignee: ROSEMOUNT INC.
    Inventor: Sean Daniel Collins-Dippel
  • Patent number: 11821951
    Abstract: An industrial process field device includes an active component, a switch, a switch monitor, and a controller. The active component may be a sensor configured to sense a process parameter, or a control device configured to control a process of the industrial process. The switch is electrically coupled to first and second terminals. The switch monitor is configured to detect an open or closed state of the switch, and generate a first state output, a second state output, or a chattering state output. An anti-chatter circuit outputs a chatter stabilized state output based on the chattering state output. The controller is configured to set the switch in the open or closed state, and generate a notification based on any one of the first and second state outputs and the chatter stabilized state output that indicates at least one of the current state and a condition of the switch.
    Type: Grant
    Filed: September 29, 2021
    Date of Patent: November 21, 2023
    Assignee: Rosemount Inc.
    Inventors: Justin Zingsheim, Rob LaRoche, Kurt Diede
  • Patent number: 11815487
    Abstract: A solid state gel for use in a pH sensor comprises a reaction product of water, a buffer system for adjusting pH of the gel when in a liquid state, polyethylene glycol or its derivatives as a gelling agent and a salt wherein the water, the buffer, the polyethylene glycol and a reference electrolyte salt when mixed while in a liquid state form a mixture that was subjected to Gamma irradiation to form the reaction product.
    Type: Grant
    Filed: November 11, 2020
    Date of Patent: November 14, 2023
    Assignee: Rosemount Inc.
    Inventor: Jinbo Hu
  • Patent number: 11808647
    Abstract: An industrial process field device includes a pressure sensor, and a housing containing the pressure sensor. The housing includes a base having a base interface and a first base process opening. A flange is attached to the base and includes a flange interface having a first flange process opening. A first gasket process opening of a gasket is aligned with the first base process opening and the first flange process opening. A first surface of the gasket engages the base interface, and a second surface of the gasket engages the flange interface. A dielectric insulation system includes at least one dielectric layer that insulates the housing from electrical currents conducted through the flange. Each dielectric layer includes a layer of ceramic material, an anodized layer, or a plastic overmold, which improve a maximum working pressure of the field device.
    Type: Grant
    Filed: September 27, 2021
    Date of Patent: November 7, 2023
    Assignee: ROSEMOUNT INC.
    Inventors: Andrew John Wagener, Jacob Daniel Holm, Sydney Jane Jones
  • Patent number: 11768091
    Abstract: A process fluid temperature measurement system is provided. The process fluid temperature measurement system includes a thermowell configured to couple to a process fluid conduit and extend through a wall of the process fluid conduit. The process fluid temperature measurement system also includes a temperature sensor assembly disposed within the thermowell, the temperature sensor assembly including a sensor capsule having at least one temperature sensitive element disposed therein. The temperature sensor assembly also includes a vibration sensor coupled to the sensor capsule, the vibration sensor being configured to produce a vibration signal in response to detected vibration. The process fluid temperature measurement system further includes transmitter circuitry coupled to the vibration sensor and configured to receive the vibration signal and produce an output based on the received vibration signal.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: September 26, 2023
    Assignee: ROSEMOUNT INC.
    Inventors: Jason H. Rud, Kyle J. Kronforst
  • Patent number: 11725966
    Abstract: A multi-stage irreversible sensor coupling is provided. A sensor body includes a sensor and has a sensor body wall and at least one sensor body engagement feature. A clip barrel is configured to slidably engage the sensor body and has at least one clip barrel engagement feature. A wedge clip is configured to slidably engage the clip barrel and has at least one wedge clip engagement feature that is configured to urge the at least one sensor body engagement feature into cooperative engagement with the at least one clip barrel engagement feature when the wedge clip, clip barrel, and sensor body are fully engaged together.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: August 15, 2023
    Assignee: ROSEMOUNT INC.
    Inventors: Tyrel L. Ruch, John W. Simon
  • Patent number: 11692884
    Abstract: A process fluid multivariable measurement system is provided. The multivariable measurement system includes a thermowell configured to couple to a process fluid conduit and extend through a wall of the process fluid conduit. The multivariable measurement system also includes a temperature sensor assembly disposed within the thermowell, the temperature sensor assembly having at least one temperature sensitive element disposed therein. The multivariable measurement system also includes a pressure sensor assembly coupled to the thermowell, the pressure sensor assembly having at least one pressure sensitive element disposed therein. The multivariable measurement system further includes transmitter circuitry, communicatively coupled to the temperature sensor assembly and the pressure sensor assembly, configured to receive a temperature sensor signal from the at least one temperature sensitive element and responsively generate a temperature measurement output based on the temperature sensor signal.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: July 4, 2023
    Assignee: Rosemount Inc.
    Inventors: Jack M. Cavanaugh, Nicholas E. Meyer, Andrew J. Wagener, David M. Strei
  • Patent number: 11668687
    Abstract: A combustion analyzer configured to simultaneously detect the concentrations of oxygen, carbon monoxide and methane in a combustion process is provided. The combustion analyzer includes an oxygen sensor configured to detect the oxygen in the combustion process and generate a first sensor signal indicative of the concentration of oxygen in the combustion process. The combustion analyzer further includes a dual carbon monoxide-methane sensor configured to operate at approximately 600° C. and provide a second sensor signal indicative of methane concentration and at approximately 300° C. to selectively provide a third sensor signal indicative of carbon monoxide concentration. The combustion analyzer finally includes a controller configured to receive the sensor signals, determine the concentration of oxygen and generate a carbon monoxide concentration output and a methane concentration output based on the dual carbon monoxide-methane sensor signals and the concentration of oxygen.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: June 6, 2023
    Assignee: Rosemount Inc.
    Inventors: Pavel Shuk, Chad M. McGuire
  • Patent number: 11667880
    Abstract: A pH sensor for a single-use container includes a plunger sleeve configured to couple to a flange of the single-use container. A plunger is axially movable within the plunger sleeve between a storage position and an operating position. A pH sensing element coupled to the plunger wherein the pH element is disposed within a storage chamber in the storage position and is configured to be exposed to an interior of the single-use container in the operating position. In one example, a temperature sensitive element is disposed within the pH sensor and configured to sense temperature proximate the pH sensing element. In another example, a lock member is coupled to the plunger, where the lock member has a locked position and an unlocked position, the lock member being configured to inhibit movement of the plunger when in the locked position. In yet another example, the plunger includes at least one filling channel that allows access to a reference fill chamber when the plunger is in a filling position.
    Type: Grant
    Filed: March 8, 2021
    Date of Patent: June 6, 2023
    Assignee: ROSEMOUNT INC.
    Inventors: Jinbo Hu, Andrew S. Dierker, Rick J. Sumrall, Tyrel L. Ruch, John W. Simon, Ryan L. Bowlds
  • Patent number: 11656138
    Abstract: A pressure sensor assembly includes a pressure sensor, a pedestal and an electrically conductive header having a header cavity. The pressure sensor includes, an electrically conductive sensing layer having a sensor diaphragm, an electrically conductive backing layer having a bottom surface that is bonded to the sensing layer, an electrically insulative layer having a bottom surface that is bonded to a top surface of the backing layer, and a sensor element having an electrical parameter that changes based on a deflection of the sensor diaphragm in response to a pressure difference. The pedestal is bonded to the electrically insulative layer and attached to the header within the header cavity.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: May 23, 2023
    Assignee: ROSEMOUNT INC.
    Inventors: Nicholas Edward Meyer, Mark George Romo, Eric Paul Petersen, Timothy David Lasonne, David Jonathon Hillman
  • Patent number: 11650106
    Abstract: A temperature probe includes a sheath, a temperature sensitive element, and an insert. The sheath has a sidewall defining an interior space therein. The temperature sensitive element is disposed within the interior space of the sidewall and has an electrical characteristic that varies with temperature. The insert, which is formed of silicon carbide, is operably interposed between the sidewall and the temperature-sensitive element. A method of manufacturing a temperature probe is also provided. A temperature sensing system employing a temperature probe is also provided.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: May 16, 2023
    Assignee: Rosemount Inc.
    Inventors: Jack M. Cavanaugh, Nathan S. Loya
  • Patent number: 11650655
    Abstract: A loop-powered field device includes a plurality of terminals coupleable to a process communication loop and a loop control module coupled to one of the plurality of terminals and configured to control an amount of current flowing through the loop control module based on a control signal. A field device main processor is operably coupled to the loop control module to receive its operating current (I_Main) from the loop control module and is configured to provide the control signal based on a process variable output. A low power wireless communication module is operably coupled to the loop control module to receive its operating current (I_BLE) from the loop control module. The low power wireless communication module is communicatively coupled to the field device main processor. The low power wireless communication module has an active mode and a sleep mode.
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: May 16, 2023
    Assignee: Rosemount Inc.
    Inventor: Yevgeny Korolev
  • Patent number: 11630072
    Abstract: A process fluid temperature calculation system includes a first temperature sensor disposed to measure an external temperature of a process fluid conduit. The process fluid temperature calculation system has a stem portion having a known thermal impedance. A second temperature sensor is spaced from the first temperature sensor by the stem portion. Measurement circuitry is coupled to the first and second temperature sensors. A microprocessor is coupled to the measurement circuitry to receive temperature information from the measurement circuitry and to provide an estimate of temperature of process fluid within the process fluid conduit using a heat flux calculation.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: April 18, 2023
    Assignee: Rosemount Inc.
    Inventors: Jason H. Rud, Yury Nickolayevich Kuznetsov, Sait Saitovich Garipov, Aleksey Aleksandrovich Krivonogov, Sergey Andreyevich Fomchenko, Vladimir Victorovich Repyevsky
  • Patent number: 11613724
    Abstract: A bioreactor sensing system is presented. The bioreactor sensing system comprises a bioreaction vessel. The bioreaction vessel comprises an aperture configured to provide an interface for monitoring contents within the bioreaction vessel. The bioreaction vessel also comprises a port coupled to the bioreaction vessel proximate the aperture. The bioreactor sensing system also comprises a sensing device disposed at least partially within the port such that a sensing element is exposed to the contents. The bioreactor sensing system also comprises an external seal configured to be applied over a portion of the sensing device and a portion of the port.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: March 28, 2023
    Assignee: Rosemount Inc.
    Inventor: Chang-Dong Feng
  • Patent number: 11579641
    Abstract: An industrial process field device includes first and second loop terminals configured to couple to a two-wire process control loop. Device circuitry is powered from the process control loop and monitors a process variable or controls a control device. A current regulator is in series with the loop terminals, and regulates a loop current. A first shunt voltage regulator regulates a voltage across the device circuitry. Supplemental circuitry is connected in series with the first shunt voltage regulator and the second loop terminal, and is powered by power from the two-wire process control loop shunted through the first shunt voltage regulator. A second shunt voltage regulator is connected in series with the first shunt voltage regulator and the second loop terminal, and in parallel with the supplemental circuitry, and regulates a voltage across the supplemental circuitry.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: February 14, 2023
    Assignee: ROSEMOUNT INC.
    Inventors: Yevgeny Aleksandrovich Matveyev, Pavel Pavlovich Schmidt, Nikolay Alekseevich Isaev, Sergey Valerievich Dubrovin, Valentin Gennadievich Varnak