A modular industrial transmitter includes a communication module and a sensor module. The communication module is configured to communicate with a remote device and has a common interface configured to couple to a plurality of different types of sensor modules. The sensor module is coupled to the common interface of the communication module. Physical coupling of the communication module to the sensor module is performed tool-lessly.
An industrial communication module includes a controller and a common interface coupled to the controller. The common interface is configured to couple to a plurality of different types of sensor modules. The industrial communication module includes protocol/output circuitry coupled to the controller and configured to provide an output to a remote device. A sensor module includes a controller and a common interface coupled to the controller. The common interface is configured to couple to a plurality of different types of industrial communication modules. The sensor module includes measurement processing circuitry coupled to the controller and configured to measure an analog electrical characteristic of a sensor and provide a digital indication of the measured analog electrical characteristic to the controller.
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control (DNC), flexible manufacturing systems (FMS), integrated manufacturing systems (IMS), computer integrated manufacturing (CIM)
3.
MODULAR TOOL-LESS INTERFACE FOR INDUSTRIAL TRANSMITTER
A modular industrial transmitter (200) includes a communication module (202) and a sensor module (204). The communication module (202) is configured to communicate with a remote device and has a common interface (206) configured to couple to a plurality of different types of sensor modules (204). The sensor module (204) is coupled to the common interface (206) of the communication module. Physical coupling of the communication module to the sensor module (204) is performed tool-lessly.
H04L 67/12 - Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
G01D 21/00 - Measuring or testing not otherwise provided for
4.
MODULAR INDUSTRIAL TRANSMITTER ARCHITECTURE AND INTERFACE
An industrial communication module (102, 104, 106, 108, 110) includes a controller (218) and a common interface (206) coupled to the controller (218). The common interface (206) is configured to couple to a plurality of different types of sensor modules (112, 114, 116, 118, 120, 122). The industrial communication module (102, 104, 106, 108, 110) includes protocol/output circuitry (219) coupled to the controller (218) and configured to provide an output to a remote device. A sensor module (112, 114, 116, 118, 120, 122) includes a controller (224) and a common interface (206) coupled to the controller (224). The common interface (206) is configured to couple to a plurality of different types of industrial communication modules (102, 104, 106, 108, 110). The sensor module (112, 114, 116, 118, 120, 122) includes measurement processing circuitry (234) coupled to the controller (224) and configured to measure an analog electrical characteristic of a sensor and provide a digital indication of the measured analog electrical characteristic to the controller (224).
H04L 67/125 - Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
H04L 69/18 - Multiprotocol handlers, e.g. single devices capable of handling multiple protocols
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
A field device mount includes a union configured to couple to a field device. A clamp foot is coupled to the union and is configured to engage fluid handling equipment. A tensioner assembly is coupled to the clamp foot and includes a tensioner bracket. A biasing member is disposed to urge the tensioner bracket away from the clamp foot. A band is configured to pass around the fluid handling equipment and to couple to opposite sides of the tensioner bracket. A buckle is configured to provide clamping force to maintain tension in the band. A field device mount using inline tensioners or a v-bolt as well as a method of coupling a field device mount to fluid handling equipment are also provided.
F16B 2/08 - Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action using bands
A field device mount (120) includes a union (105) configured to couple to a field device. A clamp foot (102) is coupled to the union (120) and is configured to engage fluid handling equipment. A tensioner assembly is coupled to the clamp foot (102) and includes a tensioner bracket (124). A biasing member (160) is disposed to urge the tensioner bracket (124) away from the clamp foot (102). A band (104) is configured to pass around the fluid handling equipment and to couple to opposite sides of the tensioner bracket (124). A buckle (380) is configured to provide clamping force to maintain tension in the band. A field device (100) mount using inline tensioners (106) or a v-bolt (204) as well as a method (400) of coupling a field device mount to fluid handling equipment are also provided.
F16L 41/06 - Tapping pipe walls, i.e. making connections through the walls of pipes while they are carrying fluids; Fittings therefor making use of attaching means embracing the pipe
F16L 41/08 - Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of a wall or to the axis of another pipe
F16B 2/08 - Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action using bands
G01K 1/14 - Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
A smart conduit plug includes a plug body having an externally threaded region and a diameter and thread pitch to engage a conduit port. At least one electrical component is mounted relative to the plug body and is configured to electrically couple to a field device and provide an indication relative to the field device.
G08B 7/06 - Signalling systems according to more than one of groups ; Personal calling systems according to more than one of groups using electric transmission
H05K 5/02 - Casings, cabinets or drawers for electric apparatus - Details
An amperometric sensor assembly includes an amperometric sensor and a bubble shedding clip. The amperometric sensor has a sensor membrane that is configured to be exposed to a process fluid. The amperometric sensor also has an electrical characteristic that changes based on exposure to an electroactive substance. The bubble shedding clip is coupled to the amperometric sensor and is configured to inhibit the presence of bubbles on the sensor membrane when the sensor membrane is exposed to the process fluid. A water panel including the amperometric sensor assembly is also provided along with a method of installing a bubble shedding clip on an amperometric sensor.
An amperometric sensor assembly includes an amperometric sensor (180) and a bubble shedding clip (220). The amperometric sensor (180) has a sensor membrane (152) that is configured to be exposed to a process fluid. The amperometric sensor (180) also has an electrical characteristic that changes based on exposure to an electroactive substance. The bubble shedding clip (220) is coupled to the amperometric sensor (180) and is configured to inhibit the presence of bubbles on the sensor membrane (152) when the sensor membrane (152) is exposed to the process fluid. A water panel (100) including the amperometric sensor assembly (180) is also provided along with a method (300) of installing a bubble shedding clip (220) on an amperometric sensor (180).
A smart conduit plug (80, 180, 300, 400) includes a plug body (100, 302) having an externally threaded region (101, 330) and a diameter and thread pitch to engage a conduit port (28). At least one electrical component (108, 208, 228, 308, 328) is mounted relative to the plug body (100, 302) and is configured to electrically couple to a field device (14) and provide an indication relative to the field device (14).
A wireless industrial process filed device includes a process interface element configured to interface with a process fluid and control or sense a process variable of the process fluid. A controller is configured to control operation of the process interface element. An RF circuit board includes a plurality of RF transceivers carried on the RF circuit board, each configured to send and/or receive an RF signal which carries information related to the process variable. A plurality of antennas are carried on the RF circuit board and form an antenna array. Each of the plurality of antennas is coupled to at least one of the plurality of RF transceivers. Each of the plurality of antennas having a different antenna pattern. The controller controls operation of the plurality of RF transceivers to communicate with a remote device through an antenna array patterned formed by transmission of RF signals through the plurality of antenna patterns of the plurality of antennas.
A wireless industrial process filed device (200) includes a process interface element (212) configured to interface with a process fluid and control or sense a process variable of the process fluid. A controller (204) is configured to control operation of the process interface element (212). An RF circuit board (244) includes a plurality of RF transceivers (212) carried on the RF circuit board (244), each configured to send and/or receive an RF signal which carries information related to the process variable. A plurality of antennas (214) are carried on the RF circuit board (244) and form an antenna array. Each of the plurality of antennas (214) is coupled to at least one of the plurality of RF transceivers (212). Each of the plurality of antennas (214) having a different antenna pattern. The controller (204) controls operation of the plurality of RF transceivers (212) to communicate with a remote device through an antenna array patterned formed by transmission of RF signals through the plurality of antenna patterns of the plurality of antennas (214).
A guided-wave level measurement system for hygienic applications is provided. The system includes an electronics housing and system electronics disposed within the electronics housing and configured to generate a radar signal. A probe is coupled to the electronics and includes a waveguide configured to extend into a process vessel. A sheath is configured to receive the probe and extend into the process vessel.
A guided-wave level measurement system (10) for hygienic applications is provided. The system includes an electronics housing (16, 102) and system electronics (200) disposed within the electronics housing (16, 102) and configured to generate a radar signal. A probe (104) is coupled to the electronics (200) and includes a waveguide (144) configured to extend into a process vessel (14). A sheath (210) is configured to receive the probe (104) and extend into the process vessel (14).
G01D 5/26 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using optical means, i.e. using infrared, visible or ultraviolet light
15.
Vibrating fork liquid level switch with verification
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.
G01F 23/22 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
G01F 25/20 - Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of apparatus for measuring liquid level
A process temperature estimation system includes a mounting assembly configured to mount the process fluid temperature estimation system to an external surface of a process fluid conduit. A hot end thermocouple is thermally coupled to the external surface of the process fluid conduit. A resistance temperature device (RTD) is spaced from the hot end thermocouple. Measurement circuitry is coupled to the hot end thermocouple and is configured to detect an emf of the hot end thermocouple and a resistance of the RTD that varies with temperature and provide sensor temperature information. A controller is coupled to the measurement circuitry and is configured to measure a reference temperature based on the resistance of the RTD and employ a heat transfer calculation with the reference temperature, the emf of the hot end thermocouple, and known thermal conductivity of the process fluid conduit to generate an estimated process temperature output.
G01K 7/16 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using resistive elements
G01K 7/02 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using thermoelectric elements, e.g. thermocouples
G01K 7/04 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using thermoelectric elements, e.g. thermocouples the object to be measured not forming one of the thermoelectric materials
A pH sensing that is configured to be exposed to a process fluid is provided. The pH sensing probe includes a sensor body and a pH glass electrode mounted to the sensor body. A reference electrode has a junction mounted to the sensor body that is configured to be exposed to the process fluid. A backup pH electrode is mounted to the sensor body and configured to be exposed to the process fluid. A pH sensing system and a method of operating a pH sensing system are also provided. In one example, the backup pH electrode is an ISFET electrode that can be automatically switched to when the pH glass electrode is compromised.
A process temperature estimation system (200) includes a mounting assembly (202) configured to mount the process fluid temperature estimation system to an external surface (116) of a process fluid conduit (100). A hot end thermocouple (314) is thermally coupled to the external surface (116) of the process fluid conduit (100). A resistance temperature device (RTD) (310) is spaced from the hot end thermocouple (314). Measurement circuitry (228) is coupled to the hot end thermocouple (314) and is configured to detect an emf of the hot end thermocouple (314) and a resistance of the RTD (310) that varies with temperature and provide sensor temperature information. A controller (222) is coupled to the measurement circuitry (228) and is configured to measure a reference temperature based on the resistance of the RTD (310) and employ a heat transfer calculation with the reference temperature, the emf of the hot end thermocouple (314), and known thermal conductivity of the process fluid conduit (100) to generate an estimated process temperature output.
G01K 13/02 - Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
G01K 7/02 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using thermoelectric elements, e.g. thermocouples
G01K 7/16 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using resistive elements
A pH sensing probe (200) that is configured to be exposed to a process fluid is provided. The pH sensing probe (200) includes a sensor body (202) and a pH glass electrode (104) mounted to the sensor body (202). A reference electrode has a junction (112) mounted to the sensor body (202) that is configured to be exposed to the process fluid. A backup pH electrode (214) is mounted to the sensor body (202) and configured to be exposed to the process fluid. A pH sensing system (300) and a method (320) of operating a pH sensing system (300) are also provided. In one example, the backup pH electrode (214) is an ISFET electrode that can be automatically switched to when the pH glass electrode (104) is compromised.
A pH sensing probe (103) configured to be exposed to a process fluid is provided. The pH sensing probe (103) includes a sensor body (206) and a pH electrode (110) mounted to the sensor body (206). A primary reference electrode (202) is mounted to the sensor body (206) and has a primary reference junction that is configured to be exposed to the process fluid. A secondary reference electrode (204) is mounted to the sensor body (206) and has a secondary reference junction configured to be exposed to the process fluid. A seal (208) isolates the secondary reference junction from the process fluid until deterioration of the primary reference junction. A pH sensing system (300) and a method (320) of operating a pH sensing system are also provided.
A pH sensing probe configured to be exposed to a process fluid is provided. The pH sensing probe includes a sensor body and a pH electrode mounted to the sensor body. A primary reference electrode is mounted to the sensor body and has a primary reference junction that is configured to be exposed to the process fluid. A secondary reference electrode is mounted to the sensor body and has a secondary reference junction configured to be exposed to the process fluid. A seal isolates the secondary reference junction from the process fluid until deterioration of the primary reference junction. A pH sensing system and a method of operating a pH sensing system are also provided.
A wireless process variable transmitter (10) for use in an industrial process includes a process variable sensor (40) configured to sense a process variable of the industrial process. Measurement circuitry (42) connected to the process variable sensor provides (40) an output related to the sensed process variable. Wireless communication circuitry (48) connected to the measurement circuitry (42) wirelessly transmits information related to the sensed process variable to a remote location. A removable industrial power module (12) is configured to hold a replaceable battery (50) and provide power to the process variable sensor (40), the measurement circuitry (42) and the wireless communication circuitry (48). Battery test circuitry (54) in the removable industrial power module (12) connects to the replaceable battery (50) and provides a visual output related to a condition of the replaceable battery (50).
A vibrating fork liquid level switch (10) includes a vibrating fork assembly (11) arranged to vibrate at a first frequency when in contact with a process fluid (18) and at a second frequency when in contact with air. A drive circuit (54) connected to the vibrating fork assembly (11) is configured to drive the vibrating fork assembly (11) into oscillation. Sense circuitry (52) senses an oscillation frequency of the vibrating fork assembly (11). Output circuitry (70/72) 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 (80) controls power applied to the vibrating fork assembly (11) by the drive circuit (54) between a first and a second power level. Verification circuitry (68) verifies the oscillation frequency of the vibrating fork assembly (11) when power applied to the vibrating fork assembly (11) by the drive circuitry (54) is changed.
G01F 25/20 - Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of apparatus for measuring liquid level
24.
Wireless process variable transmitter with removable power module
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.
G01R 31/36 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
G08B 5/36 - Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electromagnetic transmission using visible light sources
09 - Scientific and electric apparatus and instruments
Goods & Services
Isolating diaphragms sold as components of pressure measurement transmitters used to separate pressure sensors used in the transmitters from abrasive or corrosive process materials in enclosed conduits and containers used in industrial processes; Isolating diaphragms sold as components of industrial level measurement transmitters used to separate level sensors used in the transmitters from abrasive or corrosive process materials in enclosed conduits and containers used in industrial processes
26.
CUSTOMIZATION OF PROCESS VARIABLE TRANSMITTERS WITH HERMETICALLY SEALED EMI PROTECTION ELECTRONICS
A process variable transmitter (102) includes a process variable sensor (110), and an electromagnetic interference (EMI) protection circuit (182) coupled to the process variable sensor (110). The process variable transmitter (102) also includes a hermetic module (104C) enclosing the EMI protection circuit (182), and electrical connectors (132A,134A,136A) coupled to the EMI protection circuit (182) within the hermetic module (104C). The EMI protection circuit is configurable from outside the hermetic module (104C) via the electrical connectors (132A,134A,136A) to interconnect electronic components of the EMI protection circuit (182) in one of two configurations such as to provide or not to provide transient protection.
G01D 3/028 - Measuring arrangements with provision for the special purposes referred to in the subgroups of this group mitigating undesired influences, e.g. temperature, pressure
G01D 21/00 - Measuring or testing not otherwise provided for
G01L 19/00 - MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE - Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
H05K 9/00 - Screening of apparatus or components against electric or magnetic fields
A process variable transmitter includes a process variable sensor, and an electromagnetic interference (EMI) protection circuit coupled to the process variable sensor. The process variable transmitter also includes a hermetic module enclosing the EMI protection circuit, and electrical connectors coupled to the EMI protection circuit within the hermetic module. The electrical connectors are configurable from outside the hermetic module to connect electronic components of the EMI protection circuit in a configuration that provides transient protection.
09 - Scientific and electric apparatus and instruments
Goods & Services
Computer software for monitoring industrial plant sensors
and assets and providing status information and analytics,
namely, abnormal situations, diagnostics, asset status,
asset health, energy costs, emissions loss, alerts,
production loss, corrosion, efficiency, health indexes,
estimated remaining life, estimated total life, network
status, network load, pressure relief status, vibration,
fouling, location; computer software for collecting data
from assets in an industrial process, namely, process
sensors, process controllers, communication devices, steam
traps, pumps, pressure gauges, heat exchangers, pressure
relief devices, network management devices, network
gateways, power sources, cooling tower components, vessels
for containing process fluids, pipes for transporting
process fluids, devices for determining location.
09 - Scientific and electric apparatus and instruments
Goods & Services
(1) Computer software for monitoring industrial plant sensors and assets and providing status information and analytics, namely, abnormal situations, diagnostics, asset status, asset health, energy costs, emissions loss, alerts, production loss, corrosion, efficiency, health indexes, estimated remaining life, estimated total life, network status, network load, pressure relief status, vibration, fouling, location; computer software for collecting data from assets in an industrial process, namely, process sensors, process controllers, communication devices, steam traps, pumps, pressure gauges, heat exchangers, pressure relief devices, network management devices, network gateways, power sources, cooling tower components, vessels for containing process fluids, pipes for transporting process fluids, devices for determining location.
09 - Scientific and electric apparatus and instruments
Goods & Services
Recorded computer software for monitoring industrial plant sensors and assets and providing status information and analytics, namely, abnormal situations, diagnostics, asset status, asset health, energy costs, emissions loss, alerts, production loss, corrosion, efficiency, health indexes, estimated remaining life, estimated total life, network status, network load, pressure relief status, vibration, fouling, location; recorded computer software for collecting data from assets in an industrial process, namely, process sensors, process controllers, communication devices, steam traps, pumps, pressure gauges, heat exchangers, pressure relief devices, network management devices, network gateways, power sources, cooling tower components, vessels for containing process fluids, pipes for transporting process fluids, devices for determining location
A temperature probe (200) includes a mineral-insulated cable (202) having a metallic outer sheath (214) surrounding a mineral insulation (212) therein. The mineral-insulated cable (202) has a plurality of conductors (146, 150) running through the mineral insulation (212). A temperature sensitive element (208) has a pair of lead wires (148, 152). An insert (206) has at least one conduit to receive the pair of lead wires (148, 152) of the temperature sensitive element (208). The insert (206) also has a recess (220) configured to receive the temperature sensitive element (208). An insert sheath (204) is configured to slide over the insert (206) and has a first end configured to couple to the metallic outer sheath (214) of the mineral-insulated cable (202) and a second end. An endcap (210) is attached to the second end of the insert sheath (204). The insert (206) is configured to urge the temperature sensitive element (208) into contact with the endcap (210).
An industrial process field device (102) includes an active component, a switch (120), a switch monitor (140), and a controller (108). The active component may be a sensor configured to sense a process parameter, or a control device configured to control an industrial process. The switch (120) is electrically coupled to first and second terminals (153, 154). The switch monitor (140) is configured to detect an open or closed state of the switch (120), and generate a first state output, a second state output, or a chattering state output. An anti-chatter circuit (200) outputs a chatter stabilized state output based on the chattering state output. The controller (108) is configured to set the switch (120) 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 (120).
G05B 19/18 - Numerical control (NC), i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
33.
HEAT FLUX TEMPERATURE SENSOR PROBE FOR NON-INVASIVE PROCESS FLUID TEMPERATURE APPLICATIONS
A heat flux temperature sensor probe (400) includes a first mineral-insulated cable portion (402) and a second mineral-insulated cable portion (404). The first mineral-insulated cable portion (402) has a first metallic sheath (406), and a first plurality of thermocouple conductors (408, 410, 411) extending therein. The second mineral-insulated cable portion (404) has a second metallic sheath (406), and a second plurality of thermocouple conductors (407, 409) extending therein. A first thermocouple (412) is formed between one of the first plurality of thermocouple conductors (408, 410, 411) and one of the second plurality of thermocouple conductors (407, 409) proximate a first end of the second mineral-insulated cable portion (404). A second thermocouple (416) is formed between at least two of the second plurality of thermocouple conductors (407, 409) proximate a second end of the second mineral-insulated cable (402). A sheath (418) is operably couped to and connects the first (402) and second (404) mineral insulated cable portions, a portion of an interior of the sheath (418) is filled with a non-conductive material.
A heat flux temperature sensor probe (400) includes a first mineral-insulated cable portion (402) and a second mineral-insulated cable portion (404). The first mineral-insulated cable portion (402) has a first metallic sheath (406), and a first plurality of thermocouple conductors (408, 410, 411) extending therein. The second mineral-insulated cable portion (404) has a second metallic sheath (406), and a second plurality of thermocouple conductors (407, 409) extending therein. A first thermocouple (412) is formed between one of the first plurality of thermocouple conductors (408, 410, 411) and one of the second plurality of thermocouple conductors (407, 409) proximate a first end of the second mineral-insulated cable portion (404). A second thermocouple (416) is formed between at least two of the second plurality of thermocouple conductors (407, 409) proximate a second end of the second mineral-insulated cable (402). A sheath (418) is operably couped to and connects the first (402) and second (404) mineral insulated cable portions, a portion of an interior of the sheath (418) is filled with a non-conductive material.
G01K 7/02 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using thermoelectric elements, e.g. thermocouples
G01K 13/02 - Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
A temperature probe (200) includes a mineral-insulated cable (202) having a metallic outer sheath (214) surrounding a mineral insulation (212) therein. The mineral-insulated cable (202) has a plurality of conductors (146, 150) running through the mineral insulation (212). A temperature sensitive element (208) has a pair of lead wires (148, 152). An insert (206) has at least one conduit to receive the pair of lead wires (148, 152) of the temperature sensitive element (208). The insert (206) also has a recess (220) configured to receive the temperature sensitive element (208). An insert sheath (204) is configured to slide over the insert (206) and has a first end configured to couple to the metallic outer sheath (214) of the mineral-insulated cable (202) and a second end. An endcap (210) is attached to the second end of the insert sheath (204). The insert (206) is configured to urge the temperature sensitive element (208) into contact with the endcap (210).
A reusable power module (110,200) for a field device (100) is provided. The reusable power module (110,200) includes a main body (204) defining a chamber configured to house a battery (206). A cover (202) is operably coupled to the main body (204) and has a first configuration relative to the main body (204) wherein the main body (204) is open and allows access to the battery (206). The cover (202) also has a second configuration wherein access to the battery (206) is closed. When the cover (202) is in the second configuration, the reusable power module (110,200) complies with an intrinsic safety specification.
H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
H01M 50/284 - Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with incorporated circuit boards, e.g. printed circuit boards [PCB]
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
37.
WIRELESS PROCESS VARIABLE TRANSMITTER WITH BATTERY POWER SOURCE
A wireless process variable transmitter (12) for use in an industrial process (10) includes a process variable sensor (16) configured to sense a process variable of the industrial process (10) and provide a process variable sensor output. A battery power source (46) includes a plurality of battery power banks (50) each having a primary cell battery (52), a low voltage cut-off circuit (54) electrically connected to the primary cell battery (52) which provides an electrical connection to the primary cell battery (52) while a voltage of the primary cell battery (52) is above a threshold, and an ideal diode (58) having an input electrically connected to the primary cell battery (52) through the low voltage cut-off (54) and providing a power bank output. A power sharing node (62) has an input connected to the battery power bank output of each of the plurality of battery power banks (50) and having a shared power output which provides power to circuitry of the wireless process variable transmitter (12).
H02H 7/18 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from norm for accumulators
H04Q 9/00 - Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
38.
WIRELESS PROCESS VARIABLE TRANSMITTER WITH BATTERY POWER SOURCE
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 and provide a process variable sensor output. A battery power source includes a plurality of battery power banks each having a primary cell battery, a low voltage cut-off circuit electrically connected to the primary cell battery which provides an electrical connection to the primary cell battery while a voltage of the primary cell battery is above a threshold, and an ideal diode having an input electrically connected to the primary cell battery through the low voltage cut-off and providing a power bank output. A power sharing node has an input connected to the battery power bank output of each of the plurality of battery power banks and having a shared power output which provides power to circuitry of the wireless process variable transmitter.
G01D 21/02 - Measuring two or more variables by means not covered by a single other subclass
H02J 1/00 - Circuit arrangements for dc mains or dc distribution networks
H01M 6/50 - Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
39.
Field device assembly including improved dielectric insulation system
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.
G01L 19/00 - MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE - Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
F16L 23/16 - Flanged joints characterised by the sealing means
A temperature probe includes a mineral-insulated cable having a metallic outer sheath surrounding a mineral insulation therein. The mineral-insulated cable has a plurality of conductors running through the mineral insulation. A temperature sensitive element has a pair of lead wires. An insert has at least one conduit to receive the pair of lead wires of the temperature sensitive element. The insert also has a recess configured to receive the temperature sensitive element. An insert sheath is configured to slide over the insert and has a first end configured to couple to the metallic outer sheath of the mineral-insulated cable and a second end. An endcap is attached to the second end of the insert sheath. The insert is configured to urge the temperature sensitive element into contact with the endcap.
G01K 7/22 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using resistive elements the element being a non-linear resistance, e.g. thermistor
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.
A heat flux temperature sensor probe includes a first mineral-insulated cable portion and a second mineral-insulated cable portion. The first mineral-insulated cable portion has a first metallic sheath, a first plurality of thermocouple conductors extending therein, and an inorganic insulative material insulating the first plurality of thermocouple conductors from one another and from the first metallic sheath. The second mineral-insulated cable portion has a second metallic sheath, a second plurality of thermocouple conductors extending therein, and an inorganic insulative material insulating the second plurality of thermocouple conductors from one another and from the second metallic sheath. A first thermocouple is formed between at least one of the first plurality of thermocouple conductors and one of the second plurality of thermocouple conductors proximate a first end of the second mineral-insulated cable portion. A second thermocouple is formed between at least two of the second plurality of thermocouple conductors proximate a second end of the second mineral-insulated cable. A sheath is operably couped to and connects the first and second mineral insulated cable portions, a portion of an interior of the sheath is filled with a non-conductive material.
G01K 1/02 - Means for indicating or recording specially adapted for thermometers
G01K 7/02 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using thermoelectric elements, e.g. thermocouples
43.
FIELD DEVICE INTERFACE SEAL AND ELECTRICAL INSULATION
An industrial process field device (102) includes a pressure sensor (126), and a housing containing the pressure sensor (102). The housing (144) includes a base (146) having a base interface (150) and a first base process opening. A flange (155) is attached to the base (146) and includes a flange interface (152) having a first flange process opening. A pressure (126) at the first flange process opening is communicated to the pressure sensor (126) through the first base process opening. A first gasket process opening (170) of a gasket (115) is aligned with the first base process opening and the first flange process opening. A first surface of the gasket (115) engages the base interface (150), and a second surface of the gasket (115) engages the flange interface (152). A dielectric insulation system (120) includes at least one dielectric layer (184) that insulates the housing (114) from electrical currents conducted through the flange (155). Each dielectric layer (184) includes a layer of ceramic material, an anodized layer, or a plastic overmold.
G01L 19/00 - MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE - Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
F16L 25/02 - Construction or details of pipe joints not provided for in, or of interest apart from, groups specially adapted for electrically insulating the two pipe ends of the joint from each other
F16L 41/00 - Branching pipes; Joining pipes to walls
44.
WIRELESS PROCESS VARIABLE TRANSMITTER WITH BATTERY POWER SOURCE
A wireless process variable transmitter (12) for use in an industrial process (10) includes a process variable sensor (16) configured to sense a process variable of the industrial process (10) and provide a process variable sensor output. A battery power source (46) includes a plurality of battery power banks (50) each having a primary cell battery (52), a low voltage cut-off circuit (54) electrically connected to the primary cell battery (52) which provides an electrical connection to the primary cell battery (52) while a voltage of the primary cell battery (52) is above a threshold, and an ideal diode (58) having an input electrically connected to the primary cell battery (52) through the low voltage cut-off (54) and providing a power bank output. A power sharing node (62) has an input connected to the battery power bank output of each of the plurality of battery power banks (50) and having a shared power output which provides power to circuitry of the wireless process variable transmitter (12).
H04Q 9/00 - Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
H02H 7/18 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from norm for accumulators
45.
INTRINSICALLY SAFE, REUSABLE, POWER MODULE FOR FIELD DEVICES
A reusable power module (110,200) for a field device (100) is provided. The reusable power module (110,200) includes a main body (204) defining a chamber configured to house a battery (206). A cover (202) is operably coupled to the main body (204) and has a first configuration relative to the main body (204) wherein the main body (204) is open and allows access to the battery (206). The cover (202) also has a second configuration wherein access to the battery (206) is closed. When the cover (202) is in the second configuration, the reusable power module (110,200) complies with an intrinsic safety specification.
H01M 50/271 - Lids or covers for the racks or secondary casings
H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
H01M 50/284 - Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with incorporated circuit boards, e.g. printed circuit boards [PCB]
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
A process oxygen analyzer (10) includes a process probe (12) extendible into a flow of process combustion exhaust, the process probe (12) having an oxygen sensor measurement cell (36). Measurement circuitry (64) is coupled to the oxygen sensor measurement cell (36) 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 (36). A controller (60) is operably coupled to the measurement circuitry (64) 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 (200) of providing a process oxygen concentration using a process oxygen analyzer (10) coupled to an industrial combustion process is also disclosed.
G01N 27/16 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by burning or catalytic oxidation of surrounding material to be tested, e.g. of gas
G01N 1/22 - Devices for withdrawing samples in the gaseous state
G01N 33/00 - Investigating or analysing materials by specific methods not covered by groups
G01L 19/08 - Means for indicating or recording, e.g. for remote indication
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.
A reusable power module for a field device is provided. The reusable power module includes a main body defining a chamber configured to house a battery. A cover is operably coupled to the main body and has a first configuration relative to the main body wherein the main body is open and allows access to the battery. The cover also has a second configuration wherein access to the battery is closed. When the cover is in the second configuration, the reusable power module complies with an intrinsic safety specification.
H01M 50/247 - Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
H01M 50/271 - Lids or covers for the racks or secondary casings
H01M 50/284 - Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with incorporated circuit boards, e.g. printed circuit boards [PCB]
H01M 50/569 - Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals
09 - Scientific and electric apparatus and instruments
Goods & Services
Electronic process variable pressure transmitters for measuring process variables of industrial processes; field sensors for use in industrial processes and industrial facilities for monitoring and measuring flow, level, vibration, temperature, pressure, and process parameters, and communicating sensed conditions to control components; devices for communicating in industrial processes and industrial facilities, namely, wireless transmitters and receivers and communications computers; wireless field sensors for sensing and communicating industrial process variables to monitor and control the functioning of industrial process instruments; software for use in management, monitoring, and increasing reliability, efficiency and safety of industrial processes, industrial facilities and process instruments; electronic field devices for monitoring equipment in industrial facilities, namely, computers, alarm monitoring systems, micro-processor based hardware and software used to monitor the status of industrial machinery, namely, control valves, temperature sensors, pressure sensors, flow sensors, and vibration sensors; electronic field sensors which transmit or receive information related to operation of industrial facilities, namely, sensors for sensing industrial facility operational and environmental parameters and transmitting the parameters to receivers
50.
ACTIVE BI-DIRECTIONAL OPEN PATH GAS DETECTION SYSTEM
An open path gas detection system (200, 280) includes a transmitter (202, 202A) and a receiver (204). The transmitter (202, 202A) is configured to generate illumination (106) across an open path. The receiver (204) is positioned to detect the illumination (106) from the transmitter (202, 202A) after the illumination (106) has passed through the open path and detect a gas of interest based on the illumination (106). However, the laser can also be used for gas detection systems in other circumstances. The transmitter (202, 202A) and receiver (204) are configured to communicate wirelessly (120). A method (500) of operating an open path gas detection system (200, 280) is also provided.
G01N 21/3504 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
G01N 21/39 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
G01N 21/31 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
An open path gas detection system (200) includes a transmitter (202) and a receiver (204). The transmitter (202) is configured to generate illumination (216), having broadband spectrum, across an open path. The receiver (204) is positioned to detect the illumination (216) from the transmitter (202) after the illumination (216) has passed through the open path. The receiver (204) includes at least one spectrometer (218) configured to determine spectroscopic information of the illumination (216) to identify at least one gas of interest based on the spectroscopic information and provide an output (222) based on the at least one gas of interest.
G01N 21/25 - Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
G01N 21/31 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
G01N 21/33 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using ultraviolet light
G01N 21/3504 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
G01N 21/359 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
52.
HEAT FLOW-BASED PROCESS FLUID TEMPERATURE ESTIMATION SYSTEM WITH THERMAL TIME RESPONSE IMPROVEMENT
A process fluid temperature estimation system includes a mounting assembly configured to mount the process fluid temperature estimation system to an external surface of a process fluid conduit. A sensor capsule has at least one temperature sensitive element disposed therein and is configured to sense at least a temperature of the external surface of the process fluid conduit. Measurement circuitry is coupled to the sensor capsule and is configured to detect a characteristic of the at least one temperature sensitive element that varies with temperature and provide sensor capsule temperature information. A controller is coupled to the measurement circuitry and is configured to obtain a temperature measurement of the external surface of the process fluid conduit and to obtain a reference temperature and employ a heat transfer calculation with the reference temperature, the external surface temperature measurement and a known thermal relationship between the external surface temperature sensor in the sensor capsule and the reference temperature to generate an estimated process fluid temperature output. The controller is also configured to improve response time of the process fluid estimation system mathematically. In some examples, the controller is configured to extract the system tau value from the measured data.
A process fluid temperature estimating system (200) comprising: a mounting assembly (200) configured to mount the process fluid temperature estimation system to an external surface of a process fluid conduit (100); a sensor capsule (206) configured to sense at least a temperature of the external surface of the process fluid conduit; measurement circuitry coupled to the sensor capsule and configured to provide sensor capsule temperature information to a controller (222); and a controller configured to obtain the external surface of the process fluid conduit and a reference temperature and employ a heat transfer calculation with the reference temperature and the external surface of the process fluid conduit to generate an estimated process fluid temperature output.
A process fluid temperature estimating system (200) comprising: a mounting assembly (200) configured to mount the process fluid temperature estimation system to an external surface of a process fluid conduit (100); a sensor capsule (206) configured to sense at least a temperature of the external surface of the process fluid conduit; measurement circuitry coupled to the sensor capsule and configured to provide sensor capsule temperature information to a controller (222); and a controller configured to obtain the external surface of the process fluid conduit and a reference temperature and employ a heat transfer calculation with the reference temperature and the external surface of the process fluid conduit to generate an estimated process fluid temperature output.
A wireless field device (12) for use in an industrial process (10) includes input/output terminals to couple to a process interface element (16) and a discrete input/output channel configured to receive a discrete input signal from the process interface element (16) through the input/output terminals when configured as a discrete input channel, the discrete input/output channel further configured to provide a discrete output to the process interface element (16) through the input/output terminals when configured as discrete output channel. Wireless communication circuitry (48) transmits and receives information. A controller (44) transmits information through the communication circuitry (48) based upon a sensed process variable, provides a discrete output signal when the discrete input/output channel is configured as a discrete output channel and receives a discrete input signal when configured as a discrete input channel. An external power supply input is coupled to an external power supply (102) and a battery power supply input couples a battery (101). Power supply circuitry (108) powers the controller (44) from at most one of the external power supply or the battery.
A wireless field device for use in an industrial process includes input/output terminals to couple to a process interface element and a discrete input/output channel configured to receive a discrete input signal from the process interface element through the input/output terminals when configured as a discrete input channel, the discrete input/output channel further configured to provide a discrete output to the process interface element through the input/output terminals when configured as discrete output channel. Wireless communication circuitry transmits and receives information. A controller transmits information through the communication circuitry based upon a sensed process variable, provides a discrete output signal when the discrete input/output channel is configured as a discrete output channel and receives a discrete input signal when configured as a discrete input channel. An external power supply input is couples to an external power supply and a battery power supply input couples a battery. Power supply circuitry powers the controller from at most one of the external power supply or the battery.
H04B 1/38 - Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
57.
WIRELESS DISCRETE INPUT/OUTPUT WITH EXTERNAL POWER OPTION
A wireless field device (12) for use in an industrial process (10) includes input/output terminals to couple to a process interface element (16) and a discrete input/output channel configured to receive a discrete input signal from the process interface element (16) through the input/output terminals when configured as a discrete input channel, the discrete input/output channel further configured to provide a discrete output to the process interface element (16) through the input/output terminals when configured as discrete output channel. Wireless communication circuitry (48) transmits and receives information. A controller (44) transmits information through the communication circuitry (48) based upon a sensed process variable, provides a discrete output signal when the discrete input/output channel is configured as a discrete output channel and receives a discrete input signal when configured as a discrete input channel. An external power supply input is coupled to an external power supply (102) and a battery power supply input couples a battery (101). Power supply circuitry (108) powers the controller (44) from at most one of the external power supply or the battery.
A process fluid connector for a single-use process fluid sensing system is provided. The process fluid connector includes a pair of process fluid connections, each process fluid connection being configured to couple to a cooperative process fluid coupling. A process fluid conduit section is operably coupled to each of the process fluid connections. A sensor attachment port is coupled to the process fluid conduit section and is configured to receive and mount a process fluid sensor. A retractable fluid chamber is coupled to the process fluid conduit section and configured to provides wet storage for sensing component(s) of the process fluid sensor. A process fluid sensing system using the process fluid connector is also provided.
F16L 41/16 - Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of a wall or to the axis of another pipe the branch pipe comprising fluid cut-off means
A single-use electrochemical analytical sensor (200) is provided. The sensor (200) includes a sensing electrode (224) configured to contact process fluid and a reference chamber (260,202) containing an electrolyte. A reference electrode (225) is disposed in the electrolyte. A reference junction (258) is configured to contact the process fluid and is further configured to generate a flow of electrolyte into the process fluid. The reference chamber (260, 202) is configured to be stored in a depressurized state and then pressurized prior to operation. A method (400) of operating a single-use electrochemical sensor is also provided.
A process fluid connector (204) for a single-use process fluid sensing system is provided. The process fluid connector (204) includes a pair of process fluid connections (300, 302), each process fluid connection (300, 302) being configured to couple to a cooperative process fluid coupling. A process fluid conduit section (301) is operably coupled to each of the process fluid connections (300, 302). A sensor attachment port (308) is coupled to the process fluid conduit section (301) and is configured to receive and mount a process fluid sensor (360). A retractable fluid chamber (312) is coupled to the process fluid conduit (301) section and configured to provides wet storage for sensing component(s) of the process fluid sensor (360). A process fluid sensing system using the process fluid connector is also provided.
A single-use electrochemical analytical sensor (200) is provided. The sensor (200) includes a sensing electrode (224) configured to contact process fluid and a reference chamber (260,202) containing an electrolyte. A reference electrode (225) is disposed in the electrolyte. A reference junction (258) is configured to contact the process fluid and is further configured to generate a flow of electrolyte into the process fluid. The reference chamber (260, 202) is configured to be stored in a depressurized state and then pressurized prior to operation. A method (400) of operating a single-use electrochemical sensor is also provided.
A single-use electrochemical analytical sensor is provided. The sensor includes a sensing electrode configured to contact process fluid and a reference chamber containing an electrolyte. A reference electrode is disposed in the electrolyte. A reference junction is configured to contact the process fluid and is further configured to generate a flow of electrolyte into the process fluid. The reference chamber is configured to be stored in a depressurized state and then pressurized prior to operation. A method of operating a single-use electrochemical sensor is also provided.
A process fluid connector (204) for a single-use process fluid sensing system is provided. The process fluid connector (204) includes a pair of process fluid connections (300, 302), each process fluid connection (300, 302) being configured to couple to a cooperative process fluid coupling. A process fluid conduit section (301) is operably coupled to each of the process fluid connections (300, 302). A sensor attachment port (308) is coupled to the process fluid conduit section (301) and is configured to receive and mount a process fluid sensor (360). A retractable fluid chamber (312) is coupled to the process fluid conduit (301) section and configured to provides wet storage for sensing component(s) of the process fluid sensor (360). A process fluid sensing system using the process fluid connector is also provided.
A loop-powered field device (32) includes a plurality of terminals (52, 54) coupleable to a process communication loop (36) and a loop control module (56) coupled to one of the plurality of terminals (52, 54) and configured to control an amount of current flowing through the loop control module (56) based on a control signal. A field device main processor (58) is operably coupled to the loop control module (56) to receive its operating current (I_Main) from the loop control module (68) and is configured to provide the control signal based on a process variable output. A low power wireless communication module (56) is operably coupled to the loop control module (56) to receive its operating current (I_BLE) from the loop control module (56). The low power wireless communication module (68) is communicatively coupled to the field device main processor (58). The low power wireless communication module (68) has an active mode and a sleep mode. The low power wireless communication module (68) is configured to obtain a measurement of operating current (I_BLE) available while the low power wireless communication module (68) is in the sleep mode and modify an active cycle of the low power wireless communication module (68) based on the measurement of operating current (I_BLE).
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
65.
Power management for loop-powered field devices with low power wireless communication
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. The low power wireless communication module is configured to obtain a measurement of operating current (I_BLE) available while the low power wireless communication module is in the sleep mode and modify an active cycle of the low power wireless communication module based on the measurement of operating current (I_BLE).
G06F 1/00 - ELECTRIC DIGITAL DATA PROCESSING - Details not covered by groups and
G06F 1/3296 - Power saving characterised by the action undertaken by lowering the supply or operating voltage
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
A loop-powered field device (32) includes a plurality of terminals (52, 54) coupleable to a process communication loop (36) and a loop control module (56) coupled to one of the plurality of terminals (52, 54) and configured to control an amount of current flowing through the loop control module (56) based on a control signal. A field device main processor (58) is operably coupled to the loop control module (56) to receive its operating current (I_Main) from the loop control module (68) and is configured to provide the control signal based on a process variable output. A low power wireless communication module (56) is operably coupled to the loop control module (56) to receive its operating current (I_BLE) from the loop control module (56). The low power wireless communication module (68) is communicatively coupled to the field device main processor (58). The low power wireless communication module (68) has an active mode and a sleep mode. The low power wireless communication module (68) is configured to obtain a measurement of operating current (I_BLE) available while the low power wireless communication module (68) is in the sleep mode and modify an active cycle of the low power wireless communication module (68) based on the measurement of operating current (I_BLE).
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
A gel for use in a pH or an ORP sensor, components of the gel comprising water, a reference electrolyte salt, a buffering system for adjusting pH of the gel, and a polymeric gelling agent, and the gel does not degrade under gamma irradiation.
A temperature probe (100) includes a sheath (104), a temperature sensitive element (102, 122), and an insert (200). The sheath (104) has a sidewall (108) defining an interior space therein. The temperature sensitive element (102, 122) is disposed within the interior space of the sidewall (108) and has an electrical characteristic that varies with temperature. The insert (200), which is formed of silicon carbide, is operably interposed between the sidewall (108) and the temperature-sensitive element (102, 122). A method of manufacturing a temperature probe is also provided. A temperature sensing system employing a temperature probe is also provided.
G01K 1/14 - Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
G01K 7/02 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using thermoelectric elements, e.g. thermocouples
G01K 7/16 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using resistive elements
A gel for use in a pH or an ORP sensor, components of the gel comprising water, a reference electrolyte salt, a buffering system for adjusting pH of the gel, and a polymeric gelling agent, and the gel does not degrade under gamma irradiation.
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.
G01K 7/16 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using resistive elements
G01K 7/06 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using thermoelectric elements, e.g. thermocouples the object to be measured not forming one of the thermoelectric materials the thermoelectric materials being arranged one within the other with the junction at one end exposed to the object, e.g. sheathed type
71.
IN-SITU OXYGEN ANALYZER WITH SOLID ELECTROLYTE OXYGEN SENSOR AND ANCILLARY OUTPUT
An improved oxygen analyzer (100) includes a controller (500) configured to receive an oxygen sensor signal and provide an oxygen concentration output. A probe (104) is configured to extend into a source of combustion process gas. An oxygen sensor (504) is disposed within the probe (104) and has a sensing electrode (218) mounted to one side of a solid electrolyte (220) and a reference electrode (222) mounted to an opposite side of the solid electrolyte (220). The oxygen sensor (504) has catalytic beads (216) that are configured to be disposed between the process gas and the sensing electrode (216). Measurement circuitry (502) is operably coupled to the oxygen sensor (504) and the controller (500) and is configured to provide the controller (500) with the oxygen sensor signal based on an electrical response of the oxygen sensor (504). The controller (500) is configured to detect a behavior of the oxygen concentration output over time to provide at least one ancillary output.
A fluid flow obstruction device for a process fluid flow measurement device includes a first wall having a first side. A second wall having a proximate end is arranged at a proximate end of the first side of the first wall. The arrangement forms a first apex between the first wall and the second wall. At least one additional wall is arranged parallel to the second wall at a distance from the proximate end of the first side of the first wall. The arrangement of the at least one additional wall and the first wall forms a corresponding additional apex.
G01F 1/40 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction - Details of construction of the flow constriction devices
F15D 1/02 - Influencing the flow of fluids in pipes or conduits
73.
FLUID FLOW OBSTRUCTION DEVICE FOR A PROCESS FLUID FLOW MEASUREMENT DEVICE
A fluid flow obstruction device (1) for a process fluid flow measurement device (9) includes a first wall (11) having a first side. A second wall (15) having a proximate end is arranged at a proximate end of the first side of the first wall (11). The arrangement forms a first apex (60) between the first wall (11) and the second wall (15). At least one additional wall (18) is arranged parallel to the second wall (15) at a distance from the proximate end of the first side of the first wall (11). The arrangement of the at least one additional wall (18) and the first wall forms a corresponding additional apex (61).
G01F 1/40 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction - Details of construction of the flow constriction devices
74.
SOLID STATE REFERENCE GEL FOR A PH SENSOR AND METHOD FOR ITS PRODUCTION
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. Also is disclosed the manufacturing of the solid state gel, a pH sensor comprising the gel and its production.
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.
Embodiments of the present disclosure are directed to field device housing assemblies (124) and field devices (102) that include the housing assemblies (124). One embodiment of the field device housing assembly (124) includes a main housing (126), a cover (128) having a proximal end (190) connected to the main housing (126), a transparent panel and a retainer ring (208). An interior wall of the cover (128) includes a threaded section (192) that is concentric to a central axis (204), and a flange (206) extending radially inward from the interior wall toward the central axis (204). The transparent panel (150) is received within a socket defined by the interior wall and the flange (206). The retainer ring (208) is secured to the threaded section (192) of the interior wall. The transparent panel (150) is clamped between the retainer ring (208) and the flange (206).
Embodiments of the present disclosure are directed to field device housing assemblies (124) and field devices (102) that include the housing assemblies (124). One embodiment of the field device housing assembly (124) includes a main housing (126), a cover (128) having a proximal end (190) connected to the main housing (126), a transparent panel and a retainer ring (208). An interior wall of the cover (128) includes a threaded section (192) that is concentric to a central axis (204), and a flange (206) extending radially inward from the interior wall toward the central axis (204). The transparent panel (150) is received within a socket defined by the interior wall and the flange (206). The retainer ring (208) is secured to the threaded section (192) of the interior wall. The transparent panel (150) is clamped between the retainer ring (208) and the flange (206).
A polymeric fluid sensor (100) includes an inlet (102) configured to receive fluid and an outlet. A polymeric tube (134) is fluidically interposed between the inlet (102) and the outlet (104) and has a first sensing location (152) with a first sidewall thickness (G01) and a second sensing location (154), spaced from the first sensing location (152), with a second sidewall thickness (G02). A sleeve (142) is disposed about the polymeric tube (134). The first sidewall thickness (G01) is less than the second sidewall thickness (G02) and a first sensing element (122) is disposed at the first location (152) and a second sensing element (150) is disposed at the second location. In another example, the first and second sidewall thicknesses are the same and a fluid restriction (236) is disposed within the polymeric tube (134) between the first and second sensing locations (152, 154).
G01L 9/00 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
G01L 19/00 - MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE - Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
An in-situ averaging combustion analyzer (303) includes a housing (102) and a probe (302) coupled to the housing (102) at a proximal end. The probe(302) has a distal end configured to extend into a flue(14) and contains a zirconia-based oxygen sensing cell(112) proximate the distal end (306). Electronics(106) are disposed in the housing(102) and are coupled to the zirconia-based oxygen sensing cell(112). The electronics are configured to measure an electrical characteristic of the zirconia-based oxygen sensing cell(112) and calculate an oxygen concentration value. An averaging conduit(300) is disposed about the probe (302) and has a plurality of inlets (304) spaced at different distances from the distal end(306) of the probe (302). The averaging conduit(300) has at least one outlet (308) positioned between the distal end and the proximal end of the probe. The electronics(106) are configured to provide an average oxygen concentration output based on the calculated oxygen concentration value.
Embodiments of the present disclosure are directed to field device housing assemblies and field devices that include the housing assemblies. One embodiment of the field device housing assembly includes a main housing, a cover having a proximal end connected to the main housing, a transparent panel and a retainer ring. An interior wall of the cover includes a threaded section that is concentric to a central axis, and a flange extending radially inward from the interior wall toward the central axis. The transparent panel is received within a socket defined by the interior wall and the flange. The retainer ring is secured to the threaded section of the interior wall. The transparent panel is clamped between the retainer ring and the flange.
A pressure sensor assembly includes a pressure sensor having a support structure and a sapphire isolation member coupled to the support structure and forming a region between a first surface of the sapphire isolation member and the support structure. A second surface of the sapphire isolation member has a sapphire etch surface formed thereon and is positioned to interface with fluid from or coupled to a process. A process seal is positioned against the second surface of the sapphire isolation member to prevent fluid from passing by the pressure sensor assembly. Electrical leads couple to a polysilicon strain gauge pattern positioned in the region on the first surface of the sapphire isolation member, and the polysilicon strain gauge pattern is configured to generate electrical signals indicative of the pressure of the fluid when the sapphire isolation member deflects responsive to the pressure.
G01L 19/00 - MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE - Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
A pressure sensor assembly (110) includes a pressure sensor (112) having a support structure (220) and a sapphire isolation member (226) coupled to the support structure (220) and forming a region (230) between a first surface of the sapphire isolation member (226) and the support structure (220). A second surface of the sapphire isolation member (226) is positioned to interface with fluid from or coupled to a process. Electrical leads (224) couple to a polysilicon strain gauge pattern (232) positioned in the region (230) on the first surface of the sapphire isolation member (226), and the polysilicon strain gauge pattern (232) is configured to generate electrical signals indicative of the pressure (P) of the fluid when the sapphire isolation member (226) deflects responsive to the pressure.
G01L 9/00 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
G01L 19/06 - Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
G01L 19/00 - MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE - Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
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.
An in-situ averaging combustion analyzer includes a housing and a probe coupled to the housing at a proximal end. The probe has a distal end configured to extend into a flue and contains a zirconia-based oxygen sensing cell proximate the distal end. Electronics are disposed in the housing and are coupled to the zirconia-based oxygen sensing cell. The electronics are configured to measure an electrical characteristic of the zirconia-based oxygen sensing cell and calculate an oxygen concentration value. An averaging conduit is disposed about the probe and has a plurality of inlets spaced at different distances from the distal end of the probe. The averaging conduit has at least one outlet positioned between the distal end and the proximal end of the probe. The electronics are configured to provide an average oxygen concentration output based on the calculated oxygen concentration value.
A multi-stage irreversible sensor coupling is provided. A sensor body (150) includes a sensor (110) and has a sensor body wall (152) and at least one sensor body engagement feature (154). A clip barrel (158) is configured to slidably engage the sensor body (150) and has at least one clip barrel engagement feature (156). A wedge clip (170) is configured to slidably engage the clip barrel (158) and has at least one wedge clip engagement feature (172) that is configured to urge the at least one sensor body engagement feature (154) into cooperative engagement with the at least one clip barrel engagement feature (156) when the wedge clip (170), clip barrel (158), and sensor body (150) are fully engaged together.
A process fluid multivariable measurement system is provided. The multivariable measurement system includes a thermowell (100, 200, 300) configured to couple to a process fluid conduit (504) and extend through a wall (506) of the process fluid conduit (504). The multivariable measurement system also includes a temperature sensor assembly (110, 210, 310) disposed within the thermowell (100, 200, 300), the temperature sensor assembly (110, 210, 310) having at least one temperature sensitive element (114, 214, 314) disposed therein. The multivariable measurement system also includes a pressure sensor assembly (118, 218, 318) coupled to the thermowell (100, 200, 300), the pressure sensor assembly (118, 218, 318) having at least one pressure sensitive element (120, 220, 320) disposed therein. The multivariable measurement system further includes transmitter circuitry (400), communicatively coupled to the temperature sensor assembly (110, 210, 310) and the pressure sensor assembly (118, 218, 318), configured to receive a temperature sensor signal from the at least one temperature sensitive element (114, 214, 314) and responsively generate a temperature measurement output based on the temperature sensor signal. The transmitter circuitry (400) is further configured to receive a pressure sensor signal from the at least one pressure sensitive element (120, 220, 320) and responsively generate a pressure measurement output based on the pressure sensor signal.
G01L 19/00 - MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE - Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
G01L 9/04 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers of resistance strain gauges
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. The transmitter circuitry is further configured to receive a pressure sensor signal from the at least one pressure sensitive element and responsively generate a pressure measurement output based on the pressure sensor signal.
G01K 13/02 - Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
G01K 7/02 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using thermoelectric elements, e.g. thermocouples
A flame arrester for a process device is provided. The flame arrester includes a flame arrester element formed of a first helix having a first axis and a second helix having a second axis, wherein the first axis and the second axis are unparallel. A housing configured to mount to the process device. The flame arrester element is mounted to the housing. A combustion analyzer employing an improved flame arrester is provided along with a method of manufacturing an improved flame arrester for process devices.
A flame arrester for a process device (100) is provided. The flame arrester includes a flame arrester element (220) formed of a first helix having a first axis (1) and a second helix having a second axis (2), wherein the first axis and the second axis are unparallel. A housing (222) configured to mount to the process device (100). The flame arrester element (220) is mounted to the housing (222). A combustion analyzer employing an improved flame arrester is provided along with a method (300) of manufacturing an improved flame arrester for process devices (100).
A pressure sensor assembly (110) includes a pressure sensor (112), a pedestal (116) and an electrically conductive header (114) having a header cavity (144). The pressure sensor (112) includes, an electrically conductive sensing layer (150) having a sensor diaphragm (176), an electrically conductive backing layer (152) having a bottom surface (160) that is bonded to the sensing layer (150), an electrically insulative layer (154) having a bottom surface (160) that is bonded to a top surface (162) of the backing layer (152), and a sensor element (182) having an electrical parameter that changes based on a deflection of the sensor diaphragm (176) in response to a pressure difference. The pedestal (116) is bonded to the electrically insulative layer (154) and attached to the header (114) within the header cavity (144).
G01L 13/02 - Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements
A multivariable transmitter is provided for measuring multiple process fluid variables. The multivariable transmitter includes a metal housing constructed from a material suitable for exposure to a corrosive material, such as seawater. A differential pressure sensor is disposed within the metal housing. A line pressure sensor is also disposed within the metal housing. Measurement circuitry is operably coupled to the differential pressure sensor and the line pressure sensor to provide differential pressure and line pressure outputs. A temperature probe has a sheath constructed from a material suitable for exposure to the corrosive material. The temperature probe is electrically coupled to circuitry within the metal housing and is physically coupled to the metal housing via a high-pressure coupling.
G01F 1/69 - Structural arrangements; Mounting of elements, e.g. in relation to fluid flow using a particular type of heating, cooling or sensing element of resistive type
G01F 1/34 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
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.
G01L 9/02 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers
G01L 7/08 - Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges of the flexible-diaphragm type
G01L 9/00 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
G01L 13/02 - Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements
A process fluid temperature transmitter includes a plurality of terminals, an excitation source, a measurement device, and a controller. The plurality of terminals is couplable to an RTD. The excitation source is operably coupled to the plurality of terminals and is configured to apply an excitation signal to the RTD. The measurement device is coupled to the plurality of terminals and is configured to measure a response of the RTD to the applied excitation signal. The controller is coupled to the excitation source and the measurement device. The controller is configured to perform an RTD resistance measurement by causing the excitation source to apply the excitation signal to the RTD and to cause the measurement device to measure the response of the RTD while the excitation signal is applied to the RTD. The controller is also configured to perform an RTD diagnostic by causing the excitation source to change application of the excitation signal and causing the measurement device to measure an RTD response to the changed excitation signal.
A pressure sensor assembly (110) includes a pressure sensor (112), a pedestal (116) and an electrically conductive header (114) having a header cavity (144). The pressure sensor (112) includes, an electrically conductive sensing layer (150) having a sensor diaphragm (176), an electrically conductive backing layer (152) having a bottom surface (160) that is bonded to the sensing layer (150), an electrically insulative layer (154) having a bottom surface (160) that is bonded to a top surface (162) of the backing layer (152), and a sensor element (182) having an electrical parameter that changes based on a deflection of the sensor diaphragm (176) in response to a pressure difference. The pedestal (116) is bonded to the electrically insulative layer (154) and attached to the header (114) within the header cavity (144).
G01L 9/00 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
G01L 19/00 - MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE - Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
G01L 19/06 - Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
A multivariable transmitter (150) is provided for measuring multiple process fluid variables. The multivariable transmitter (150) includes a metal housing (185) constructed from a material suitable for exposure to a corrosive material, such as seawater. A differential pressure sensor (166) is disposed within the metal housing (185). A line pressure sensor (187, 189) is also disposed within the metal housing (185). Measurement circuitry (174) is operably coupled to the differential pressure sensor (166) and the line pressure sensor (187, 189) to provide differential pressure and line pressure outputs. A temperature probe (182) has a sheath (188) constructed from a material suitable for exposure to the corrosive material. The temperature probe (182) is electrically coupled to circuitry within the metal housing (185) and is physically coupled to the metal housing (185) via a high-pressure coupling (186).
G01L 19/00 - MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE - Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
A process fluid temperature transmitter includes (12) a plurality of terminals (22), an excitation source (24), a measurement device (26), and a controller (28). The plurality of terminals (22) is couplable to an RTD (30). The excitation source (24) is operably coupled to the plurality of terminals (22) and is configured to apply an excitation signal to the RTD (30). The measurement device (26) is coupled to the plurality of terminals (22) and is configured to measure a response of the RTD (30) to the applied excitation signal. The controller (28) is coupled to the excitation source and the measurement device (26). The controller is configured to perform an RTD resistance measurement by causing the excitation source (24) to apply the excitation signal to the RTD (30) and to cause the measurement device (26) to measure the response of the RTD (30) while the excitation signal is applied to the RTD (30). The controller (28) is also configured to perform an RTD diagnostic by causing the excitation source to change application of the excitation signal and causing the measurement device (26) to measure an RTD response to the changed excitation signal.
G01K 7/20 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer in a specially-adapted circuit, e.g. bridge circuit
G01K 7/18 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer
G01K 15/00 - Testing or calibrating of thermometers
97.
Self-Assembling Antenna Networks and Antenna Feed Circuits for Same
The disclosed embodiments provide a plurality of antennas that can be interconnected with each other and with a central receiver in a self-assembling manner, such that antennas can be added, removed, and replaced with minimal configuration. Each antenna comprises an antenna feed circuit, an input connector, and an output connector. Each of the antennas may be configured to assign a first set of signal channels at its output connector to a second set of signal channels at its input connector (or vice versa) according to a predetermined or dynamically determined mapping. Each antenna may be further configured to assign a signal channel at its input connector to the signal it receives at its antenna feed circuitry. By sharing the same configuration for mapping signal channels between the antennas' input and output connectors and feed circuitry, the antennas can be added or removed in a sequence of antennas using simple cable connections and without having to rewire the connections at the central receiver.
A flame photometric detector for a process gas chromatograph is provided. The flame photometric detector includes a combustion chamber body defining a combustion chamber therein. A sample inlet tube is configured to introduce a process gas sample into the combustion chamber. An ignitor is configured to initiate combustion within the combustion chamber. A thermocouple assembly is configured to provide an indication of temperature within the combustion chamber. The sample tube has an end that is adjustable relative to the combustion chamber.
A flame photometric detector (500) for a process gas chromatograph (200) is provided. The flame photometric detector (500) includes a combustion chamber body (510) defining a combustion chamber therein. A sample inlet tube (532) is configured to introduce a process gas sample into the combustion chamber (560). An ignitor (550) is configured to initiate combustion within the combustion chamber (560). A thermocouple assembly (553) is configured to provide an indication of temperature within the combustion chamber (560). The sample tube (532) has an end (532E) that is adjustable relative to the combustion chamber (560).
G01N 21/72 - Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited using flame burners
A thermal probe assembly includes an RTD element having an electrical resistance that varies with temperature. A plurality of leadwires is operably coupled to the RTD element. The RTD element is disposed within a sheath and spaced from a distal end of the sheath by a distance selected to provide vibration resistance to the RTD element.
G01F 1/69 - Structural arrangements; Mounting of elements, e.g. in relation to fluid flow using a particular type of heating, cooling or sensing element of resistive type
G01K 7/16 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using resistive elements
