There is disclosed a radar transmitter for emulsion measurement comprising a probe defining a transmission line for sensing impedance. A first excitation circuit is connected to a top of the probe for generating downward travelling excitation signals on the transmission line and receiving a reflected signal from the transmission line. A second excitation circuit is connected to a bottom of the probe for generating upward travelling excitation signals on the transmission line and receiving a reflected signal from the transmission line, each of the reflected signals comprising a waveform of probe impedance over time. A controller is operatively connected to the excitation circuits. The controller profiles a section of waveform from each of the excitation circuits and combines information on the sections to determine positions of layers of fluids in a tank, wherein the first excitation circuit provides information about an interface from air into a first fluid layer, and from the first layer to a second layer, and the second excitation circuit provides information about an interface between a lowest layer and the second layer.
G01N 13/00 - Recherche des effets de surface ou de couche limite, p.ex. pouvoir mouillant; Recherche des effets de diffusion; Analyse des matériaux en déterminant les effets superficiels, limites ou de diffusion
2.
TIME DOMAIN REFLECTOMETRY INSTRUMENT WITH BOTTOM UP ALGORITHM
A radar transmitter for emulsion measurement comprises a probe mountable to a bottom of a vessel and defining a transmission line extending upward into the vessel, in use, for sensing impedance. A pulse circuit is connected to the probe for periodically generating pulses on the transmission line and receiving a reflected signal from the transmission line, each reflected signal comprising a waveform of probe impedance over time. A controller is operatively connected to the pulse circuit and comprises a programmed processor and a memory. The memory stores trace data of a plurality of individual waveforms. The processor is programmed to profile a first section of the waveforms which does not change over time and a second section of the waveforms which changes over time, representing an emulsion moving in the vessel. The controller locates where the waveforms indicates motion to determine emulsion level.
G01F 1/66 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en mesurant la fréquence, le déphasage, le temps de propagation d'ondes électromagnétiques ou d'autres types d'ondes, p.ex. en utilisant des débitmètres à ultrasons
G01F 1/708 - Mesure du temps de parcours d'une distance déterminée
G01F 1/712 - Mesure du temps de parcours d'une distance déterminée utilisant des moyens de détection à autocorrélation ou à intercorrélation
G01F 1/74 - Dispositifs pour la mesure du débit d'un matériau fluide ou du débit d'un matériau solide fluent en suspension dans un autre fluide
G01F 15/02 - Compensation ou correction des variations de pression, de poids spécifique ou de température
G01N 27/06 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant l'impédance en recherchant la résistance d'un liquide
G01N 27/07 - Structure des récipients de mesure; Electrodes pour ces récipients
A probe comprising a process connection for mounting to a process vessel. A sealed connector connects to the measurement instrument and includes an extension sleeve. A return tube is secured to the process connection, the return tube including vent openings below the process connection. A process tube is connected to a distal end of the return tube, extending into the process vessel. A center conductor is coaxial with the return tube and the process tube for conducting the pulses. A target tube is coaxial with and received within the return tube to define a condensation return path therebetween. The target tube extends downward from a near end at the return tube connector end by bottom end to a position below the process connection. The target tube includes apertures at the near end opening. Steam from the process vessel flows from inside the target tube through the target tube apertures and into the condensation return path.
G01F 23/00 - Indication ou mesure du niveau des liquides ou des matériaux solides fluents, p.ex. indication en fonction du volume ou indication au moyen d'un signal d'alarme
G01F 23/22 - Indication ou mesure du niveau des liquides ou des matériaux solides fluents, p.ex. indication en fonction du volume ou indication au moyen d'un signal d'alarme en mesurant des variables physiques autres que les dimensions linéaires, la pression ou le poids, selon le niveau à mesurer, p.ex. par la différence de transfert de chaleur de vapeur ou d'eau
G01F 23/28 - Indication ou mesure du niveau des liquides ou des matériaux solides fluents, p.ex. indication en fonction du volume ou indication au moyen d'un signal d'alarme en mesurant des variables physiques autres que les dimensions linéaires, la pression ou le poids, selon le niveau à mesurer, p.ex. par la différence de transfert de chaleur de vapeur ou d'eau en mesurant les variations des paramètres des ondes électromagnétiques ou acoustiques, appliquées directement au liquide ou au matériau solide fluent
G01S 7/02 - DÉTERMINATION DE LA DIRECTION PAR RADIO; RADIO-NAVIGATION; DÉTERMINATION DE LA DISTANCE OU DE LA VITESSE EN UTILISANT DES ONDES RADIO; LOCALISATION OU DÉTECTION DE LA PRÉSENCE EN UTILISANT LA RÉFLEXION OU LA RERADIATION D'ONDES RADIO; DISPOSITIONS ANALOGUES UTILISANT D'AUTRES ONDES - Détails des systèmes correspondant aux groupes , , de systèmes selon le groupe
G01R 31/11 - Localisation de défauts dans les câbles, les lignes de transmission ou les réseaux en utilisant des méthodes de réflexion d'impulsion
4.
THROUGH AIR RADAR LEVEL TRANSMITTER WITH MEASUREMENT OF FIRST MOVING ECHO
A level measurement instrument comprises an analog circuit for transmitting a pulse signal at a target of interest and receiving reflected echoes of the pulse signal and developing an echo waveform representative of the reflected echoes. A programmed digital circuit is operatively coupled to the analog circuit and comprises a programmed controller and memory. The controller is operatively programmed to identify peaks in the echo waveform and store an active peak list in the memory from a current measurement scan and a buffer peak list from prior measurement scans. The controller is further programmed to match peaks in the active peak list to peaks in the buffer peak list, to select a target peak from the active peak list based on which of the matched peaks have moved, and determining material level responsive to the target peak.
G01S 1/72 - Radiophares ou systèmes de balisage émettant des signaux ayant une ou des caractéristiques pouvant être détectées par des récepteurs non directionnels et définissant des directions, situations ou lignes de position déterminées par rapport aux émetteu; Récepteurs travaillant avec ces systèmes utilisant des ondes ultrasonores, sonores ou infrasonores
5.
THROUGH AIR RADAR LEVEL TRANSMITTER WITH GALVANIC ISOLATION
A loop powered process instrument comprises a control system measuring a process variable and developing a measurement signal representing the process variable. A two-wire circuit, for connection to a remote power source using a two-wire process loop, controls current on the loop in accordance with the measurement signal. A power supply with galvanic isolation is connected to the two-wire circuit and the control system to isolate the two-wire circuit from the control system. The power supply receives power from the two-wire process loop and supplies power to the control system. The power supply comprises a voltage regulator receiving loop power and developing a regulated output voltage. A current switching circuit receives the regulated output voltage and drives a primary of a transformer. A secondary of the transformer is coupled to the control system. A voltage shift control includes an isolator circuit driven by the control system for controlling voltage supplied by the voltage regulator.
G01S 13/00 - Systèmes utilisant la réflexion ou la reradiation d'ondes radio, p.ex. systèmes radar; Systèmes analogues utilisant la réflexion ou la reradiation d'ondes dont la nature ou la longueur d'onde sont sans importance ou non spécifiées
6.
LOOP POWERED PROCESS CONTROL INSTRUMENT WITH COMMUNICATION BYPASS CIRCUIT
A loop powered process instrument comprises a control system including a control circuit, a modem circuit and a loop output circuit. The control circuit measures a process variable and develops a measurement signal representing the process variable and includes a loop control circuit and a communication circuit. The loop output circuit receives a measurement signal from the loop control circuit and is connected to the modulation input port. A two-wire circuit is for connection to a remote power source using a two-wire process loop. A power supply with isolation is connected to the two-wire circuit and the loop output circuit to isolate the two-wire circuit from the control system. A bypass circuit with isolation is connected between the two-wire circuit and the modem circuit modulation input port for providing input modulated signals to the modem circuit bypassing the power supply.
H04B 1/38 - TRANSMISSION - Détails des systèmes de transmission non caractérisés par le milieu utilisé pour la transmission Émetteurs-récepteurs, c. à d. dispositifs dans lesquels l'émetteur et le récepteur forment un ensemble structural et dans lesquels au moins une partie est utilisée pour des fonctions d'émission et de réception
7.
THROUGH AIR RADAR LEVEL TRANSMITTER WITH FLUSHING PORT
A measurement instrument comprises a housing including a measurement circuit for measuring a process variable, A primary element is adapted to extend into a process vessel. The primary element includes an elongate hollow sleeve open to an interior of the process vessel, in use. A process adapter operatively connects the housing to the primary element for securing the instrument to the process vessel. The process adapter comprises a through opening. A seal adapter is received in the process adapter through opening. The seal adapter comprises a central bore opening into the hollow sleeve. The process adapter comprises a flushing port in communication with the through opening and an annular space between the seal adapter and the process adapter intersecting the flushing port. The sea! adapter comprises a plurality of jet passages aligned at the annular space and opening into the bore.
B08B 9/032 - Nettoyage de conduites ou de tubes ou des systèmes de conduites ou de tubes Élimination des bouchons par l'action mécanique d'un fluide en mouvement, p.ex. par effet de chasse d'eau
A through air measurement instrument comprises a housing for mounting to a process vessel and including a waveguide, A control circuit in the housing controls operation of the instrument for determining level, An RF circuit board in the housing is operatively controlled by the control circuit and includes a microwave transceiver circuit connected via a coupler to strip line traces on the printed circuit board for coupling a high frequency radar signal with the waveguide for measuring level, A multi-function RF shield comprises a cover for the RF circuit board. The cover includes a metallic covering on an inside surface for capping the waveguide and providing an RF shield.
A process measurement instrument comprises a process adaptor for mounting to a process vessel or the like and operatively associated with a sensing element for sensing a process variable and including plural electrical conductors. An instrument housing includes a control circuit. A connector assembly is operatively disposed between the instrument housing and the process adaptor for removably connecting the instrument housing to the process adaptor. The connector assembly comprises a first connector including a cylindrical connector body having an offset boss with a first multi-pin wire connector. A second connector includes a cylindrical connector housing, receiving the cylindrical connector body, having an offset bore, receiving the offset boss, and having a second multi-pin wire connector, mateable with the first wire connector, for selectively electrically connecting the control circuit to the sensing element with the offset boss and offset bore ensuring proper alignment of the first and second multi-pin wire connectors.
H01R 13/62 - Moyens pour faciliter l'engagement ou la séparation des pièces de couplage ou pour les maintenir engagées
H01R 13/629 - Moyens additionnels pour faciliter l'engagement ou la séparation des pièces de couplage, p.ex. moyens pour aligner ou guider, leviers, pression de gaz
H01R 13/64 - Moyens pour empêcher, bloquer ou éviter le couplage incorrect
10.
REMOVABLE MAGNETOSTRICTIVE PROBE WITH AUTOMATIC CALIBRATION
A magnetostrictive sensing instrument comprises a probe including a tube having a near end and a distal end. A magnetostrictive wire is in the tube. An adaptor at the tube near end includes a probe circuit comprising a drive circuit for the magnetostrictive wire, a pickup sensor, a preamplifier and a memory circuit storing calibration parameters for the probe. An instrument housing includes a control circuit. A connector is operatively disposed between the instrument housing and the adaptor and comprises electrical conductors for connecting the control circuit to the probe circuit.
A radar transmitter for emulsion measurement comprises a probe defining a transmission line for sensing impedance. A pulse circuit is connected to the probe for generating pulses on the transmission line and receiving a reflected signal from the transmission line. The reflected signal comprises a waveform of probe impedance over time. A controller is operatively connected to the pulse circuit. The controller profiles content of the emulsion responsive to the waveform by transforming the waveform into impedance relative to distance, converting the transformed waveform into effective dielectric relative to distance, determining mixture content of the emulsion at select distances responsive to the effective dielectric at the select distances and developing an output representing mixture content relative to level units.
There is disclosed herein a method of measuring and profiling a process liquid in a process vessel. The process liquid includes an emulsion layer between two media of differing dielectric constants. An electromagnetic signal is generated and transmitted along a probe, defining a transmission line, extending into the vessel. The transmission line comprises a conductor in contact with the process liquid with an insulating coating on the conductor to maximize signal penetration in the process liquid. A reflected signal is received from the transmission line and a programmed controller is operatively connected to the probe for measuring characteristics of reflected signal energy along the transmission line for profiling the emulsion layer.
G01N 27/72 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant des variables magnétiques
G01N 27/74 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant des variables magnétiques des fluides
A redundant level measuring system comprises a chamber for fluidic coupling to a process vessel whereby material level in the vessel equalizes with material level in the chamber. A float including a magnet in the chamber rises and falls with material level in the chamber. A magnet actuated visual indicator is mounted to the chamber for indicating level of the magnet in the chamber. A measurement instrument includes an antenna and a measurement circuit. The instrument is mounted atop the chamber with the antenna extending downwardly into the chamber. The measurement circuit measures time of flight of a through air signal representing level of the material in the chamber. A shield in the chamber isolates the float from the antenna.
G01F 23/02 - Indication ou mesure du niveau des liquides ou des matériaux solides fluents, p.ex. indication en fonction du volume ou indication au moyen d'un signal d'alarme par tubes de niveau ou autres appareils impliquant une fenêtre ou un tube transparent pour observer directement le niveau à mesurer ou celui d'une colonne de liquide de communication libre avec la cuve principale du liquide
09 - Appareils et instruments scientifiques et électriques
Produits et services
Control and regulation apparatus and instruments, in particular fluid level controls and instruments; automatically actuated switch fluid level controls, float cage liquid level controls; displacement type liquid level controls, pneumatic liquid level controls; electronic and ultrasonic level controls, magnetically operated flow switches; measuring, monitoring, indicating, signalling and control apparatus for controlling the level of liquids and regulating the flow of fluids and/or other fluid media, also of dry fluid materials; parts included in this class of the aforesaid apparatus and instruments.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Control and regulation apparatus and instruments, in particular fluid level controls and instruments; automatically actuated switch fluid level controls, float cage liquid level controls; displacement type liquid level controls, pneumatic liquid level controls; electronic and ultrasonic level controls, magnetically operated flow switches; measuring, monitoring, indicating, signalling and control apparatus for controlling the level of liquids and regulating the flow of fluids and/or other fluid media, also of dry fluid materials; parts included in this class of the aforesaid apparatus and instruments.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Control and regulation apparatus and instruments, in particular fluid level controls and instruments; automatically actuated switch fluid level controls, float cage liquid level controls; displacement type liquid level controls, pneumatic liquid level controls; electronic and ultrasonic level controls; magnetically operated flow switches; measuring, monitoring, indicating, signalling and control apparatus for controlling the level of liquids and regulating the flow of fluids and/or other fluid media, also of dry fluid materials; parts included in this class of the aforesaid apparatus and instruments.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Control and regulation apparatus and instruments, in particular fluid level controls and instruments; automatically actuated switch fluid level controls, float cage liquid level controls; displacement type liquid level controls, pneumatic liquid level controls; electronic and ultrasonic level controls, magnetically operated flow switches; measuring, monitoring, indicating, signalling and control apparatus for controlling the level of liquids and regulating the flow of fluids and/or other fluid media, also of dry fluid materials; parts included in this class of the aforesaid apparatus and instruments.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Control and regulation apparatus and instruments, in particular fluid level controls and instruments; automatically actuated switch fluid level controls, float cage liquid level controls; displacement type liquid level controls, pneumatic liquid level controls; electronic and ultrasonic level controls, magnetically operated flow switches; measuring, monitoring, indicating, signalling and control apparatus for controlling the level of liquids and regulating the flow of fluids and/or other fluid media, also of dry fluid materials; parts included in this class of the aforesaid apparatus and instruments.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Control and regulation apparatus and instruments, in particular fluid level controls and instruments; automatically actuated switch fluid level controls, float cage liquid level controls; displacement type liquid level controls, pneumatic liquid level controls; electronic and ultrasonic level controls, magnetically operated flow switches; measuring, monitoring, indicating, signalling and control apparatus for controlling the level of liquids and regulating the flow of fluids and/or other fluid media, also of dry fluid materials; parts included in this class of the aforesaid apparatus and instruments.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Control and regulation apparatus and instruments, in particular fluid level controls and instruments; automatically actuated switch fluid level controls, float cage liquid level controls; displacement type liquid level controls, pneumatic liquid level controls; electronic and ultrasonic level controls, magnetically operated flow switches; measuring, monitoring, indicating, signalling and control apparatus for controlling the level of liquids and regulating the flow of fluids and/or other fluid media, also of dry fluid materials; parts included in this class of the aforesaid apparatus and instruments.
