Endress + Hauser Flowtec AG Patent applications |
Patent application number | Title | Published |
20160103005 | Ultrasonic Transducer and Ultrasonic Flow Meter - An ultrasonic transducer, comprising a coupling element which has a first recess, the first recess being provided for the arrangement of a piezoelectric element which feeds an ultrasound signal into the coupling element, and there being disposed between the piezoelectric element and the coupling element an intermediate layer which comprises a metal disc, the metal disc comprising retaining elements each with a first segment lying on the same plane as the metal disc and projecting radially from the perimeter of the metal disc and each having a second segment which adjoins the first segment, projects from the plane of the metal plate and is connected to the first segment. | 04-14-2016 |
20160069718 | Method for Verifying the Reliability of Ascertained Measurement Data From an Ultrasonic Flow Measurement According to the Transit-Time Difference Method and Ultrasonic Flow Meter - A method for verifying the reliability of ascertained measurement data of an ultrasonic, flow measurement made according to the travel-time difference method, wherein an ultrasonic flow measuring device having at least two ultrasonic transducers is used to transmit and receive ultrasonic signals inclined in or counter to a flow direction of a measured medium. A first ultrasound disturbance signal is registered within a first time window before receiving a first ultrasound wanted signal, which essentially propagates through the measured medium between the transducers. The first ultrasound disturbance signal propagates at least partially in the measured medium between the ultrasonic transducers, wherein a second ultrasound disturbance signal is registered within a second time window before receiving a second ultrasound wanted signal, which essentially propagates through the measured medium between the transducers. The second ultrasound disturbance signal propagates at least partially in the measured medium between the ultrasonic transducers, and the first and second ultrasound wanted signals are associated respectively with two ultrasonic signals, which are sent in opposing directions through the medium. A quality criterion is ascertained for evaluating the measurement uncertainty of a measured value proportional to the travel-time difference ascertained from the first and second ultrasound wanted signals, wherein the ascertaining of the quality criterion includes a difference forming between the first and second disturbance signals. | 03-10-2016 |
20150308875 | Thermal Flowmeter - A thin-film sensor for a thermal flowmeter with at least a first substrate layer made of electrically non-conductive material, a second layer made of electrically conductive material and a cover layer to protect the resistance layer against abrasion, wherein the second layer is designed as two sensor elements, wherein at least a first of the two sensor elements is designed to introduce a heat quantity into a medium, and at least a second of the two sensor elements is designed to determine the ambient temperature, and the thin-film sensor has a gap that isolates the two sensor elements from one another. | 10-29-2015 |
20150268082 | MEASURING SYSTEM FOR ASCERTAINING A VOLUME FLOW AND/OR A VOLUME FLOW RATE OF A MEDIUM FLOWING IN A PIPELINE - The measuring system comprises: a vibration element for guiding flowing medium and having a lumen; and a vibration element, which is adapted to be contacted, at least at times, by a part of the medium. Additionally, the measuring system includes at least two oscillation exciters for exciting resonant oscillations of the respective vibration elements, two mutually spaced oscillation sensors for registering vibrations of the vibration element, each of which generates an oscillatory signal dependent on vibrations of the vibration element, as well as at least one oscillation sensor for registering vibrations of the vibration element and generating, dependent on vibrations of the vibration element, an oscillatory signal, which has a signal frequency corresponding to a resonant frequency, of the vibration element. Moreover, the measuring system also comprises a measuring and operating electronics, which based on a phase difference, existing between the oscillation signals and based on the signal frequency of the oscillation signal generates a measured value representing the volume flow rate, respectively the volume flow. | 09-24-2015 |
20150226590 | Coriolis Mass Flow Measuring Device - A Coriolis mass flow measuring device comprises a measuring device electronics as well as, connected thereto, a measuring transducer comprising at least one measuring tube, an oscillation exciter for oscillating the at least one measuring tube and, mutually spaced along the measuring tube, two oscillation sensors for generating oscillation signals representing oscillations of the measuring tube. The measuring tube is adapted to be flowed through by a medium and during that to be caused to vibrate in such a manner that the measuring tube executes wanted oscillations having a wanted frequency. The wanted oscillations are suitable to induce in the flowing medium, dependent on its mass flow rate, Coriolis forces suitable for bringing about a measurement effect of a first type, namely Coriolis oscillations of the wanted frequency superimposed on the wanted oscillations. These Coriolis oscillations are, in turn, suitable to induce in the medium centrifugal forces dependent on its mass flow rate and on its density. These centrifugal forces bring about a measurement effect of a second type, namely, superimposed on the Coriolis oscillations, centrifugal oscillations of the wanted frequency. The measuring device electronics is, among other things, adapted, based on the oscillation signals, to generate at least one mass flow, measured value, representing the mass flow rate, in such a manner that a dependence of a phase difference existing between wanted signal components of the oscillation signals is taken into consideration by the measurement effect of second type. | 08-13-2015 |
20150160052 | Ultrasonic, Flow Measuring Device - A method for manufacturing an ultrasonic, flow measuring device, characterized by method steps as follows: selecting a number larger than one of straight subsections of the first signal path, which should have different distances from the measuring tube axis; establishing the distances of the straight subsections from measuring tube axis; calculating values of lengths of the straight subsections, as projected on the measuring tube axis, as a function of the number of straight subsections with the same distance from the measuring tube axis and the respective distances from the measuring tube axis; and inserting the at least a first reflection surface in the measuring tube such that the acoustic signal on the path from the first transmitter to the first receiver is so reflected on at least the first reflection surface that the first signal path comprises the straight subsections with the selected distances and the calculated values of the lengths as projected on the measuring tube axis. | 06-11-2015 |
20150114133 | Measuring Tube for a Flow Measuring Device - A measuring tube for a flow measuring device, wherein the measuring tube has a lining, wherein the lining has at least one sealing lip, which sealing lip serves to provide a sealing action between the measuring tube and a pipeline section adjoining the measuring tube in the installed state. | 04-30-2015 |
20150075277 | METHOD FOR THERMALLY DETERMINING MASS FLOW OF A GASEOUS MEDIUM AND THERMAL MASS FLOW METER - A method for determining mass flow of a gas by means of a mass flow meter, which has a first and a second temperature sensor, which can be flowed around by the gas. The first temperature sensor is heated with a heating power Q, wherein the mass flow of the medium is determined by means of a power coefficient PC=Q/ΔT as a function of a heating power Q and a temperature difference ΔT | 03-19-2015 |
20140352454 | Measuring Transducer of Vibration-Type with Four Curved Measuring Tubes - The measuring transducer comprises: a transducer housing ( | 12-04-2014 |
20140230566 | Bolt Sleeve - A bolt sleeve for insulating a bolt or machine screw, wherein the bolt sleeve is so embodied that it axially shortens by a predetermined amount in the case of a force of predetermined size acting axially on it, whereupon the bolt sleeve assumes at least partially the shape of a bellows. | 08-21-2014 |
20140230565 | Magneto Inductive Flow Measuring Device - A magneto inductive flow measuring device comprising a measuring tube and coil systems arranged thereon, wherein each coil system includes a coil and a coil core so led through the coil that the coil core protrudes from the coil, wherein two coil systems are so arranged on the measuring tube on a line parallel to a longitudinal axis of the measuring tube that a pole shoe is arranged between the measuring tube and the coil cores protruding from the coil systems. | 08-21-2014 |
20140230564 | Coil System of a Magneto Inductive Flow Measuring Device - A coil system for a magneto inductive, flow measuring device, which comprises: a coil and core sheets led through the coil. The core sheets have equal shape and size, wherein each core sheet has a first and a second leg, which are connected together to form an L shape. At least a first core sheet and a second core sheet are so led through the coil that the first leg of the first core sheet and the first leg of the second core sheet extend parallel to one another and that the second leg of the first core sheet and the second leg of the second core sheet extend parallel to one another, wherein the second leg of the first core sheet and the second leg of the second core sheet are arranged at different ends of the coil. | 08-21-2014 |
20140202257 | L-Shaped Sealing Ring - An L-shaped sealing ring comprising two legs connected with one another to form an L-shape in cross section. A length of a first leg is part of a lateral surface of revolution about an axis of the L-shaped sealing ring. The first leg lies between the first length and the axis of revolution. A second leg is bounded toward the environment by a second length, wherein the first and second lengths are connected with one another via a connection contour. An intersection of first and second lines, forms a corner of a triangle, wherein the respective end points of the first and second lengths form other vertices of the triangle. The L-shaped sealing ring is so embodied that the surface area of the cross sectional area of the body of the L-shaped sealing ring in the triangle amounts to, at most, 60% of the areal content of the triangle, wherein the area of the L-shaped sealing ring in the triangle is non-concave. | 07-24-2014 |
20140195173 | Method for Ascertaining Flow by Means of Ultrasound - A method for ascertaining flow of a fluid, which is a gas mixture, through a circularly cylindrical measuring tube having a straight, measuring tube, longitudinal axis and an inner diameter D | 07-10-2014 |
20140188933 | Method for Operating a Field Device - A method for operating a field device via a fieldbus system for fieldbus communication with at least one additional field device. A web server a web browser, and a web server communication interface, via which the web browser, and a web server communication is performable. The method includes the steps executed by the field device as follows: receiving a web browser query via the web browser, web server, communication interface concerning at least also information of at least one additional field device; retrieving the queried information from the respective, at least one additional field device via the fieldbus communication connection; incorporating the information obtained from the at least one additional field device into a web page; and providing the web page via the web browser, web server, communication interface. | 07-03-2014 |
20140174197 | SENSOR MODULE MEASURING AND/OR MONITORING PARAMETERS OF MEDIA FLOWING IN PIPELINES AND MEASURING SYSTEM FORMED THEREWITH - A sensor module serves for registering a flow velocity and/or a volume flow rate, of a fluid flowing in a pipeline. The sensor module comprises a platform (P | 06-26-2014 |
20140157910 | Magneto Inductive, Flow Measuring Device - A magneto inductive, flow measuring device including a measuring tube and, arranged on the measuring tube, at least one magnet system, which includes a pole shoe. The measuring tube has at least one planar area and an otherwise cylindrical lateral surface, which border the measuring tube from its environment. The pole shoe is so formed relative to the measuring tube that it contacts the planar area of the measuring tube and has a predetermined minimum separation for the otherwise cylindrical lateral surface of the measuring tube. The pole shoe surrounds the measuring tube with a circular arc angle of at least 10°. | 06-12-2014 |
20140150567 | Magneto Inductive, Flow Measuring Device - A magneto inductive flow measuring device having a measuring tube and at least one magnet system arranged on the measuring tube, wherein the measuring tube has at least one planar area and an otherwise cylindrical lateral surface, which border the measuring tube from its environment, against which planar area the magnet system is prestressed The magnet system is prestressed against the planar area of the measuring tube by means of a screwed connection between measuring tube and magnet system and/or the magnet system is prestressed against the planar area of the measuring tube by means of a mounting clip, which is secured shape-interlocked to the measuring tube. A method for manufacturing the magneto inductive, flow measuring device is also discussed. | 06-05-2014 |
20140144246 | METHOD FOR ASCERTAINING FLOW OF A MEDIUM THROUGH A MEASURING TUBE - A method and flow measuring device for ascertaining flow of a medium through a measuring tube based on at least a first measurement signal, which depends at least on the flow velocity of the medium in the measuring tube, wherein the first measurement signal is registered, wherein an additional, second measurement signal is registered, which depends on the flow cross sectional area of the medium in the measuring tube and is independent of the flow velocity of the medium in the measuring tube, and wherein flow is ascertained as a function of the first and second measurement signals. | 05-29-2014 |
20140109685 | MAGNETO INDUCTIVE FLOW MEASURING DEVICE AND METHOD FOR INSTALLING A MAGNET SYSTEM IN THE MANUFACTURE OF A MAGNETO INDUCTIVE, FLOW MEASURING DEVICE - A magneto inductive, flow measuring device comprising a measuring tube and at least one magnet system arranged on the measuring tube. The magnet system has two coil systems, which lie opposite one another on or in the measuring tube, and each coil system includes at least one pole shoe. A first of the two coil systems is connected via at least one flux return, sheet metal length with the second or an additional coil system, and wherein each of the at least two coil systems has at least two coils, which are arranged peripherally distributed relative to the measuring tube on the pole shoe. | 04-24-2014 |
20140109664 | TEMPERATURE SENSOR AND THERMAL FLOW-MEASURING DEVICE - A temperature sensor and a flow measuring device. The temperature sensor comprising: a housing which comprises a housing body from which at least a first shell and a second shell protrude, each of which shells comprises a first end section, a second end section and a longitudinal axis. A temperature sensor element is arranged, which has especially a thin-film resistance thermometer, wherein one of the temperature sensor elements is heatable, and which shells have outsides, which interface the housing with the environment. From each temperature sensor element at least one connection wire leads away, which is connected with a circuit board. The housing body has a housing chamber, which is connected with inner hollow spaces of the shells, wherein the circuit board is arranged in the housing chamber, and wherein the circuit board is positioned in the housing chamber by a snap-in connection. | 04-24-2014 |
20140083202 | Ultrasonic, Flow Measuring Device - Please replace the abstract that appears on page 32 of the specification with the following revised abstract which is submitted on a separate sheet. | 03-27-2014 |
20140060154 | Method and measuring system for ascertaining density of a fluid - A method for producing at least one oscillation measurement signal, which has vibrations of a vibratory body are registered. A temperature sensor is applied thermally attached with a non fluid contacting, second surface of the vibratory body for producing a temperature measurement signal representing a time curve of a variable temperature of the vibratory body. The temperature measurement signal can follow, however time delayed, a change of the temperature of the vibratory body from a beginning temperature value, to a new temperature value. Based on the oscillation measurement signal as well as the temperature measurement signal, density, measured values are produced representing the density, wherein, during such, discrepancies possibly occurring between the time curve of the temperature of the vibratory body and the temperature measurement signal are taken into consideration, respectively at least partially compensated. | 03-06-2014 |
20140013858 | Measuring Tube Lining - A measuring tube for a lining of a measuring tube of a flow measuring device, wherein a nanoparticle is chemically bound to a polymer. | 01-16-2014 |
20140000383 | MEASURING TRANSDUCER OF VIBRATION-TYPE FOR A FLUID FLOWING IN A FLEXIBLE HOSE | 01-02-2014 |
20140000374 | Messaufnehmer vom Vibrationstyp sowie damit gebildetes Messsystem | 01-02-2014 |
20130291652 | Measuring transducer of vibration-type - A measuring transducer serves for producing vibration signals corresponding to parameters of a flowing medium comprises a measuring transducer housing having housing ends and, extending within the measuring transducer housing between its housing ends, a tube arrangement formed by means of at least two tubes. Of the two tubes, at least one tube serves as a measuring tube conveying flowing medium and the other tube is mechanically connected with the tube by means of a first coupling element to form an inlet-side coupling zone and by means of a second coupling element to form an outlet-side coupling zone. At least the first coupling element has in a region extending between the tubes a slit having at least one closed end. Slit has a maximal slit width and a maximal slit length, which is greater than the maximal slit width. Placed partially within the slit is a connecting element, which contacts a slit edge enclosing said slit. | 11-07-2013 |
20130283930 | Ultrasonic, Flow Measuring Device - An ultrasonic, flow measuring device, comprising an ultrasonic transducer in a bore of a measuring tube, which ultrasonic transducer has an ultrasound window, wherein a guide vane is inserted into the bore of the measuring tube in front of the ultrasound window and perpendicular to the ultrasound window of the ultrasonic transducer. | 10-31-2013 |
20130282309 | Method for density correction in a vortex, flow measuring device - A method for determining mass flow of a two-phase medium flowing through a measuring tube of a vortex, flow measuring device. The measuring tube has in a measuring cross section at least one bluff body for producing vortices. By sensor registering of the produced vortices, a flow velocity of the medium in the region of the measuring cross section is determined. In the method, the density of the medium in the region of the measuring cross section is determined from the specific, total enthalpy of the medium in the region of the measuring cross section, from the flow velocity of the medium in the region of the measuring cross section, from a static pressure of the medium in the region of the measuring cross section and from the static temperature of the medium in the region of the measuring cross section. Additionally, the mass flow is determined from the determined flow velocity, the determined density and a flow cross section of the medium in the region of the measuring cross section. | 10-24-2013 |
20130269428 | Measurement Transducer of a Thermal Mass Flow Meter for Determining the Flow of a Medium through a Pipe and Method for Fabricating it - A measurement transducer of a thermal mass flow meter for determining the flow rate of a medium that flows through a pipe, which comprises at least one thin film resistance thermometer, which is arranged in a sheath, wherein the sheath comprises a first open end, out of which at least one cable for electrical contact with the resistance thermometer is led out of the sheath, wherein the cable in the sheath is embedded in a first fill material, at least in sections, and wherein the thin film resistance thermometer is at least partially covered by a second fill material, which is a gaseous, liquid, semi-liquid, powder or solid and in the case cited last, comprises a hardness of at most Shore A 90, and that the first fill material comprises a hardness of at most Shore D 98. | 10-17-2013 |
20130264142 | COUPLING ELEMENT OF AN ULTRASONIC TRANSDUCER FOR AN ULTRASONIC, FLOW MEASURING DEVICE - A coupling element of an ultrasonic transducer suitable for mode conversion of an acoustic longitudinal wave between an in-coupling surface and an out-coupling surface of the coupling element. The coupling element has a first and second interface with a predetermined medium. A first angle between the in-coupling surface and the first interface and a second angle between the first interface and the out-coupling surface are so selected that a transverse waves fraction is reflected on the first interface to the out-coupling surface. The first angle between the in-coupling surface and the first interface and a third angle between the first interface and the second interface are so selected that a longitudinal wave fraction is reflected on the first interface for second interface. A fraction of the longitudinal waves reflected to the second interface is reflected on the second interface back into the coupling element. | 10-10-2013 |
20130205904 | ULTRASONIC TRANSDUCER FOR AN ULTRASONIC FLOW MEASURING DEVICE - An ultrasonic transducer for an ultrasonic flow measuring device, comprising an electromechanical transducer element, which is prestressed against an ultrasonic window of the ultrasonic transducer by a suitable structure, wherein a first surface of the electromechanical transducer element faces the ultrasonic window, and wherein a second surface of the electromechanical transducer element lying opposite the first surface is divided into a plurality of segments, which are galvanically connected with the suitable structure for prestressing. | 08-15-2013 |
20130197818 | Measuring Arrangement for Registering Chemical and/or Physical, Measured Variables, as well as Measuring Device therefor - A measuring arrangement of the invention includes: At least one measuring device, which generates, repeatedly during operation, measured values, especially digital, measured values, representing the at least one measured variable to be registered; as well as an electronic data processing system superordinated to the at least one measuring device, especially a data processing system which is spatially distributed and/or spatially remote from the measuring device. Measuring device and data processing system are connected together by means of at least two line-pairs, through each of which an electrical current flows, at least at times, during operation. According to the invention, the measuring device transmits the internally generated, measured values to the data processing system via both line-pairs. In this way, it is then possible to transmit a plurality of measured values simultaneously, when each of the two line-pairs is embodied as part of a two-conductor current-loop. | 08-01-2013 |
20130192386 | ULTRASONIC TRANSDUCER FOR A FLOW MEASURING DEVICE - An ultrasonic transducer for an ultrasonic flow measuring device, comprising a first housing part having an ultrasonic window and adjoining, rotationally symmetric walls, wherein there adjoins on the walls of the first housing part, coaxially with the walls of the first housing part, a first ring as resonator, which forms an end of the first housing part. | 08-01-2013 |
20130167654 | REPLACEABLE ULTRASONIC TRANSDUCER FOR AN ULTRASONIC FLOW MEASURING DEVICE - An ultrasonic transducer for an ultrasonic flow measuring device, comprising a first housing part and a second housing part. The second housing part is axially guided in the first housing part and is so biased relative to the first housing part that, in a first state of the ultrasonic transducer, a first axial stop of the second housing part rests on a first axial stop of the first housing part, wherein, by applying, counter to the bias, a predetermined force on a second axial stop of the second housing part, the second housing part is axially shiftable, so that, in a second state of the ultrasonic transducer, the first axial stop of the second housing part is moved out of the first state. | 07-04-2013 |
20130160565 | Method for monitoring oscillation characteristics in a coriolis, flow, measuring device - A method for monitoring oscillation characteristics in a Coriolis, flow measuring device and to a correspondingly formed, Coriolis, flow measuring device in the case of which an excited oscillatory system is simulated with a digital model, which has at least one fittable parameter. The simulating includes, in such case, excitating the digital model in the same manner as the oscillatory system, calculating a simulation response variable of the simulated oscillations according to the digital model, and, performed over a plurality of signal modulations, iterative conforming of the at least one, fittable parameter in such a manner that the simulation response variable interatively approaches the response variable. Furthermore, it is ascertained whether a corresponding limit value is exceeded by the at least one, interatively ascertained parameter value for the at least one, fittable parameter or by at least one variable derived from the at least one, iteratively ascertained parameter value. | 06-27-2013 |
20130133436 | MEASURING SYSTEM FOR MEDIA FLOWING IN A PIPELINE - The measuring system comprises: a measuring transducer, for producing oscillatory signals dependent on a viscosity of the flowing medium and/or a Reynolds number of the flowing medium; transmitter electronics for driven the measuring transducer and for evaluating oscillatory signals delivered by the measuring transducer. The measuring transducer includes: an inlet-side flow divider; an outlet-side flow divider; at least two, mutually parallel, straight, measuring tubes, connected to the flow dividers; and an electromechanical exciter mechanism for exciting and maintaining mechanical oscillations of the two measuring tubes. Each of the two measuring tubes opens with an inlet-side measuring tube end into a flow opening and with an outlet-side. The transmitter electronics feeds, by means of an electrical driver signal supplied to the exciter mechanism, electrical excitation power into the exciter mechanism, while the exciter mechanism converts electrical excitation power partially into opposite-equal torsional oscillations of the at least two measuring tubes. | 05-30-2013 |
20130125665 | Measuring transducer as well as measuring system formed therewith - A measuring transducer comprises at least one measuring tube for carrying a flowing medium as well as a transducer housing mechanically coupled with the at least one measuring tube. The transducer housing includes: an inner shell forming a cavity accommodating the at least one measuring tube; and an outer cladding formed at least partially by means of yarn, namely cladding placed outside of the cavity and surrounding the inner shell. | 05-23-2013 |
20130104657 | Ultrasonic Particle Measuring System | 05-02-2013 |
20130097858 | Manufacturing Method for a Sensor of a Thermal Flow Measuring Device - A method for the manufacture of a sensor for a thermal flow measuring device, wherein the sensor has at least one housing with a first open end and a second open end. The first open end is securable in a sensor holder; and at least one resistance thermometer is inserted into the housing through the second open end of the housing and the second open end of the housing is closed. Cables for electrical contacting of the resistance thermometer lead out of the housing through the first open end of the housing. | 04-25-2013 |
20130086993 | Process for fabricating an electromagnetic flow meter - A process for fabricating an electromagnetic flow meter by encapsulating an electrode with a liquefied plastic. The electrode is fabricated out of an electrically conducting material and with at least a first circumferential indentation that runs orthogonal to the longitudinal expansion of the electrode. The electrode is positioned in a tool and encapsulated with a liquefied plastic, at least in sections, wherein the first indentation is encapsulated, at least in sections, with liquefied plastic. Also, an electromagnetic flow meter for measuring the volumetric flow or mass flow of a medium in a pipe, with a measurement tube, through which the medium flows in the direction of the longitudinal axis, and with a magnetic system that is so embodied as to produce a magnetic field that passes through the measurement tube and runs essentially orthogonal to the longitudinal axis of the measurement tube, and with at least one measurement electrode that couples to the medium, which is arranged essentially orthogonal to the region of the magnetic field in a bore hole in the wall of the measurement tube. | 04-11-2013 |
20130031973 | METHOD FOR DETECTING ACCRETION OR ABRASION IN A FLOW MEASURING DEVICE - A method for detecting accretion or abrasion on a first measuring tube of a flow measuring device. A first temperature as a function of time is registered via a first temperature sensor, which is arranged on the first measuring tube in such a manner that, between the first temperature sensor and the medium, at least one measuring tube wall of the first measuring tube is embodied. Parallel in time, a second reference temperature as a function of time is registered by a second temperature sensor, which is spaced from the first temperature sensor and thermally coupled to the medium. Therefrom, at least one variable characteristic is determined, and accretion or abrasion on the first measuring tube is detected, if the at least one determined characteristic variable or a variable derived therefrom deviates by more than a limit value from a predetermined reference variable. | 02-07-2013 |
20120327107 | FIELD DEVICE HAVING A DISPLAY UNIT AND METHOD FOR OPERATING THE DISPLAY UNIT - A method for operating a display unit, which is a component of a field device of process automation technology or is connectable to such a field device, The method includes: invoking a function of a display electronics associated with the display unit by a field device electronics associated with the field device, which function serves for visualizing textual information on the display unit; performing the function by the display electronics, wherein the performing of the function includes receiving textual information from the field device electronics, wherein the textual information is essentially free of composition information relevant to the visualizing of the textual information; and visualizing the transmitted textual information on the display unit based on a display schema stored, especially completely stored, in the display electronics of the display unit, which display schema contains composition information, especially in the form of layouts and/or fonts. | 12-27-2012 |
20120310545 | MEASURING DEVICE ELECTRONICS FOR A MEASURING DEVICE AS WELL AS MEASURING DEVICE FORMED THEREWITH - A measuring device electronics comprises a processor and two clock signal generators. One clock signal generator serves for producing a working clock signal, and also for producing a reference clock signal which is dependant on the working clock signal. The other clock signal generator, serves for producing a second reference clock signal, which is independent of the working clock signal. Based on the two independent reference clock signals, a frequency difference, can, to the extent that such is present, be ascertained during operation of the measuring device electronics or of the measuring device formed therewith. The frequency difference, represents a difference between the instantaneous clocking frequency of the first reference clock signal and the instantaneous clocking frequency of the second reference clock signal, and, in this respect, represents a measure for a deviation of an instantaneous clocking frequency, from the nominally predetermined clocking frequency, of the working clock signal. | 12-06-2012 |
20120297891 | MAGNETO-INDUCTIVE, FLOW MEASURING DEVICE - A magneto-inductive, flow measuring device for measuring flow of a measured medium through a measuring tube, comprising: at least a first coil assembly for accommodating a coil core is arranged in a first passageway. The coil core has a broadened part and a first stop, which is arranged between the measuring tube and the coil. The broadened part of the coil core in the assembled state of the first coil assembly lies against the first stop of the coil body and prevents shifting of the coil core relative to the coil body along the longitudinal axis of the coil core in a first direction facing away from the measuring tube. The coil body has a second stop, wherein the coil core is secured to the coil body with a securement element (which, in the assembled state, lies against the second stop of the coil body under a prestress along the longitudinal axis of the coil core between the first stop and the second stop of the coil body. | 11-29-2012 |
20120279317 | MEASURING TRANSDUCER OF VIBRATION TYPE AND MEASURING SYSTEM - A measuring transducer comprises a transducer housing, of which an inlet-side housing end is formed by means of an inlet-side flow divider having eight, mutually spaced flow openings and an outlet-side housing end is formed by means of an outlet-side flow divider having eight, mutually spaced flow openings as well as a tube arrangement with eight bent measuring tubes for the conveying flowing medium, which, forming flow paths connected for parallel flow, are connected to the flow dividers, wherein each of the eight measuring tubes in each case opens with an inlet-side measuring tube end into one of the flow openings of the flow divider, and in each case opens with an outlet-side measuring tube end into one of the flow openings of the flow divider. An electro-mechanical exciter mechanism of the measuring transducer serves for producing and/or maintaining mechanical oscillations of the measuring tubes. | 11-08-2012 |
20120266671 | Measuring device with a multi-walled housing - A measuring device for determining and/or monitoring a chemical and/or physical measured variable of process automation technology, wherein the measuring device includes at least one housing, and the housing has at least a first wall; which comprises a first material, and the housing has at least a second wall which comprises at least a second material. The second wall is secured to the first wall; and the outside of the first wall is at least partially surrounded by the second wall. The second wall is approximately fitted to the shape of the first wall, and the second wall is mechanically connected to the first wall. | 10-25-2012 |
20120266451 | Temperature sensor and method for its manufacture - A thermal, flow measuring device for determining and/or monitoring the flow of a measured medium through a measuring tube. The thermal, flow measuring device includes: a first pin-shaped shell and at least a second pin-shaped shell; a first resistance thermometer and at least a second resistance thermometer. At least the first resistance thermometer is embodied so as to be heatable, wherein the resistance thermometers, in each case, have a first surface, and at least a second surface, which lies opposite the first surface. The first pin-shaped shell surrounds the first resistance thermometer, and the second pin-shaped shell surrounds the second resistance thermometer. The pin-shaped shells are fillable with a fill material. In each case, at least one spacer is placeable between the pin-shaped shell and the first surface of the resistance thermometer, and the second surface of the resistance thermometer is at least partially covered with fill material. | 10-25-2012 |
20120255371 | FREQUENCY TUNING METHOD FOR A TUBE ARRANGEMENT - The method serves for changing at least one eigenfrequency of a tube arrangement formed by means of at least one tube particularly, however, also for tuning the interim eigenfrequency to a desired eigenfrequency deviating therefrom and referred to as a target eigenfrequency. The tube has a tube wall, of metal and/or an at least sectionally circularly cylindrical, tube wall as well as a stiffening element of metal and/or a stiffening element of material connectable with the material of the tube by material bonding and/or a platelet shaped, stiffening element, placed on the tube wall and co-determining the interim eigenfrequency of the tube arrangement. For the purpose of changing the interim eigenfrequency, it is provided, that volume is removed from the stiffening element, for instance, by means of laser. | 10-11-2012 |
20120255370 | Method for Trimming a Tube - A method for trimming a tube with at least one stiffening element placed on its tube wall to a target bending stiffness, wherein the tube has first an interim bending stiffness, which is greater than the target bending stiffness. For the purpose of reducing the interim bending stiffness of the tube to the target bending stiffness, it is provided in the method of the invention that volume of the stiffening element is removed, for instance, by means of a laser. | 10-11-2012 |
20120255369 | MEASURING TRANSDUCER OF VIBRATION-TYPE AS WELL AS METHOD FOR ITS MANUFACTURE - A measuring transducer comprises a housing, and a tube arrangement formed by means of at least two tubes extending within the housing. At least one tube is embodied as a measuring tube serving for conveying flowing medium and another tube is mechanically connected with the tube by means of a coupling element to form an inlet-side coupling zone and by means of a coupling element. The coupling element is arranged equally far removed from the housing end. One coupling element has, about an imaginary longitudinal axis of the tube arrangement imaginarily connecting a center of mass of the coupling element and a center of mass of the other coupling element, with an angle of intersection equal to that with the other coupling element, a bending stiffness, which deviates from a bending stiffness of the other coupling element about said imaginary longitudinal axis of the tube arrangement. | 10-11-2012 |
20120227496 | Measuring Device - A method for the manufacture of a measuring device, and a measuring device for registering at least one measured value of at least one process variable, wherein the measuring device includes a measuring tube, which has at least one necked out portion, on which at least one measuring transducer is arranged, wherein the measuring tube together with the necked out portion is monolithic, and wherein the necked out portion is manufacturable from the measuring tube at least partially by a deformation method. | 09-13-2012 |
20120222479 | METHOD FOR DETECTING PLUGGING IN A CORIOLIS FLOW MEASURING DEVICE - A method for detecting plugging of a measuring tube. Heat is supplied to a medium conveyed in a first measuring tube by means of at least one heating element, or heat is removed from the medium conveyed in a first measuring tube by means of at least one cooling element. At least one temperature sensor, which is thermally coupled to the medium conveyed in the first measuring tube, temperature is registered. Additionally, a first comparison variable, which is characteristic for heat transport by the medium in the first measuring tube, is determined based on the supplying of heat or removing of heat, as well as on the temperature registering, and this comparison variable is compared with a reference variable. Plugging of at least one measuring tube of the measuring transducer is detected if the first comparison variable deviates from the reference variable by more than a limit value. | 09-06-2012 |
20120192656 | MEASURING SYSTEM FOR DETERMINING AND/OR MONITORING FLOW OF A MEASURED MEDIUM THROUGH A MEASURING TUBE BY MEANS OF ULTRASOUND - A measuring tube, a measuring system and a method for determining and/or monitoring flow through a measuring tube, comprising a measuring tube, on which ultrasonic transducers are releasably placeable. The ultrasonic transducers transmit and/or receive ultrasonic signals, which pass through the measuring tube approximately coaxially to the measuring tube axis. | 08-02-2012 |
20120167697 | MEASURING TRANSDUCER OF THE VIBRATION TYPE AS WELL AS MEASURING SYSTEM FORMED THEREWITH - A measuring transducer comprises: a housing, with an inlet-side flow divider having four flow openings, and an outlet-side end having four flow openings; a tube arrangement having four tubes connected to the flow dividers; and a first coupling element. An exciter mechanism for producing and/or maintaining mechanical oscillations of the four measuring tubes. The first coupling element includes a deformation body and four connecting struts, of which connected with a first strut end and with the first measuring tube, a second connecting strut is connected with a first strut end and with a second strut end with the second measuring tube, a third connecting strut and with a second strut end with the first measuring tube, and a fourth connecting strut is connected with a first strut end and with a second strut end with the fourth measuring tube. | 07-05-2012 |
20120153777 | Ultrasonic, Flow Measuring Device - An ultrasonic transducer for an ultrasonic, flow measuring device comprising an electromechanical transducer element and an ultrasound window, wherein an adapting, or matching, layer liquid at operating conditions of the ultrasonic transducer is arranged between the electromechanical transducer element and the ultrasound window, wherein the ultrasonic transducer has holding means, which exert a releasable force toward the ultrasound window on the electromechanical transducer element, in order to hold the electromechanical transducer element in a predetermined position relative to the ultrasound window. | 06-21-2012 |
20120125093 | HOUSING OF A TEMPERATURE SENSOR, ESPECIALLY OF A THERMAL FLOW MEASURING DEVICE - A thermal flow measuring device and method for the manufacture of a thermal flow measuring device with a housing, which has at least one shell. A temperature sensor element is arranged in the shell which borders the housing. Each first point of an edge terminating the outside of the shell in the region of a second end section of the shell has a distance to the longitudinal axis of the shell, which is at least 0.2 mm greater than the distance of all second points of the outside of the shell to the longitudinal axis of the shell, with a first point of the edge, in each case, having a distance projected on the longitudinal axis of the shell from the first point of the edge of at least 0.2 mm in the direction of the first end section of the shell. | 05-24-2012 |
20120123705 | Measuring system having a measuring transducer of vibration-type - A measuring system comprises: a measuring transducer; transmitter electronics; at least one measuring tube; and at least one oscillation exciter. The transmitter electronics delivers a driver signal for the at least one oscillation exciter, and for feeding electrical, excitation power into the at least one oscillation exciter. The driver signal, has a sinusoidal signal component which corresponds to an instantaneous eigenfrequency, and in which the at least one measuring tube can execute, or executes, eigenoscillations about a resting position. The eigenoscillations have an oscillation node and in the region of the wanted, oscillatory length exactly one oscillatory antinode. The driver signal has, a sinusoidal signal component with a signal frequency, which deviates from each instantaneous eigenfrequency of each natural mode of oscillation of the at least one measuring tube, in each case, by more than 1 Hz and/or by more than 1% of said eigenfrequency. | 05-17-2012 |
20120118073 | APPARATUS FOR MEASURING VOLUME-OR MASS-FLOW OF A MEDIUM IN A PIPELINE - In order to place a medium flowing through a magneto-inductive flow measuring device at a reference potential, a grounding gasket is arranged, in each case, between flared end regions of the measuring tube, or measuring tube flanges secured on the measuring tube, and pipeline flanges connected with the pipeline. The grounding gasket comprises a conductive support material. The support material is provided with an electrically conductive, chemically resistant, plastics coating, at least in regions in contact in the installed state with the medium, the flared end regions, or the measuring tube flanges, as the case may be, and the pipeline flanges. | 05-17-2012 |
20120096937 | Flow measuring device and method for manufacture of a measuring tube of a flow measuring device - A method for the manufacture of a measuring tube of a flow measuring device, and to a flow measuring device. The measuring tube has a lumen for accommodating a flowing, measured material. The method comprises: introducing at least one, essentially cylindrical, hollow body into a support tube; joining the essentially cylindrical, hollow body to the support tube by mechanically deforming at least one portion of the essentially cylindrical, hollow body; and embedding the hollow body joined to the support tube in an electrically and/or chemically insulating, isolating material; wherein the lumen of the measuring tube is formed by the electrically and/or chemically insulating, isolating material. | 04-26-2012 |
20120090407 | MEASURING SYSTEM HAVING A MEASURING TRANSDUCER OF VIBRATION-TYPE - A measuring system comprises: a measuring transducer for producing oscillation measurement signals; and transmitter electronics electrically coupled with the measuring transducer for activating the measuring transducer and for evaluating oscillation measurement signals delivered by the measuring transducer. The measuring transducer includes: a transducer housing, a first housing end housing end, first flow divider having exactly four flow openings, an outlet-side, second housing end formed by means of an outlet-side, second flow divider having exactly four flow openings mutually spaced from one another, and a tube arrangement having exactly four, straight, measuring tubes forming flow paths arranged for parallel flow and connected to the flow dividers, an electromechanical exciter mechanism for producing and/or maintaining mechanical oscillations of the four measuring tubes and a vibration sensor arrangement reacting to vibrations of the measuring tubes. | 04-19-2012 |
20120079890 | MEASURING DEVICE AND METHOD FOR MEASURING A MEASURED VARIABLE - Method and measuring device for measuring at least one measured variable. A first sensor transmits a first measurement signal, which includes at least one half-wave of a mechanical wave or an electromagnetic wave, and, at a time t from the first measurement signal, transmits at least a second measurement signal. At least a second sensor receives the measurement signals. The travel time and TOF | 04-05-2012 |
20120073384 | MEASURING SYSTEM HAVING A MEASURING TRANSDUCER OF VIBRATION-TYPE - A measuring system comprises a measuring transducer which includes: a transducer housing with an inlet-side flow divider having exactly four, mutually spaced flow openings and an outlet-side housing end having exactly four, mutually spaced flow openings; four measuring tubes connected to the flow dividers for guiding flowing medium along flow paths connected in parallel; an electromechanical, exciter mechanism for producing and/or maintaining mechanical oscillations of the four measuring tubes; as well as a vibration sensor arrangement reacting to vibrations of the measuring tubes for producing oscillation measurement signals representing vibrations of the measuring tubes. Transmitter electronics includes a driver circuit for the exciter mechanism, and a measuring circuit. The measuring circuit of the measuring system of the invention corrects a change of at least one characteristic variable of the oscillation measurement signals delivered from the measuring transducer. | 03-29-2012 |
20120060626 | METHOD FOR DETECTING PLUGGING IN A CORIOLIS FLOW MEASURING DEVICE - A method for detecting complete or partial plugging of a measuring tube of a Coriolis flow measuring device, which is insertable into a pipeline, and which has a measuring transducer of the vibration type having at least two measuring tubes connected for parallel flow. The method includes, in such case, the steps of measuring a subset flow occurring in a subset of the measuring tubes, and comparing a subset flow value obtained from this measurement with a reference value to be expected for this subset. The reference value is, in such case, determined from a total mass flow determined in the context of a Coriolis mass flow measuring. Additionally, the method includes the step of detecting plugging of at least one measuring tube of the measuring transducer, if the subset flow value deviates from the reference value by more than a limit value. | 03-15-2012 |
20120042732 | MEASURING SYSTEM HAVING A MEASURING TRANSDUCER OF VIBRATION-TYPE - A measuring system comprises: a measuring transducer of vibration type, through which fluid flows during operation, and which produces oscillation signals corresponding to parameters of the flowing fluid; as well as a transmitter electronics (TE), which is electrically coupled with the measuring transducer, and serves for activating the measuring transducer and for evaluating oscillation signals delivered by the measuring transducer. The measuring transducer (MT) includes: At least one measuring tube ( | 02-23-2012 |
20120036941 | MAGNETO-INDUCTIVE FLOW MEASURING SYSTEM AND METHOD FOR OPERATING SUCH - A method for operating a magneto-inductive flow measuring system, wherein the magneto-inductive flow measuring system has a measuring tube, wherein measuring tube has a lumen for the conveying an at least slightly electrically conductive, measured substance, and wherein the magneto-inductive flow measuring system has a first and a second electrode electrically interacting with the measured substance. In a first diagnostic operation, an input voltage is applied between the first and second electrodes, wherein the input voltage produces an electrical current essentially within the lumen, and wherein the flow measuring system additionally has a third and a fourth electrode electrically interacting with the measured substance, wherein an output voltage falling between the third and fourth electrodes essentially due to the electrical current is determined, and wherein, by means of the output voltage, a state of the flow measuring system and/or a chemical and/or physical property of the measured substance is determined. | 02-16-2012 |
20120027552 | RETRACTABLE ASSEMBLY - A retractable assembly for introducing an insertable device into a container through a container opening, comprising: a linear guide, which is releasably mountable on the container via a holder; and, guided along the linear guide, a slider, on which an articulated head is so seated, that it has at least two degrees of freedom perpendicular to the linear guide, wherein the insertable device is at least axially guided in the articulated head in the mounted state. | 02-02-2012 |
20120017700 | Measuring tube of a measuring system for determining and/or monitoring flow of a measured medium through a measuring tube by means of ultrasound - A measuring tube, a measuring system and a method for determining and/or monitoring flow through a measuring tube, comprising a measuring tube, on which ultrasonic transducers are releasably placeable. The ultrasonic transducers transmit and/or receive ultrasonic signals, which pass through the measuring tube approximately coaxially to the measuring tube axis. | 01-26-2012 |
20110317390 | Electronics housing for an electronic device, and a device formed therewith - An electronics housing comprises a housing basic body having a cavity, especially a single cavity. The housing basic body includes a side wall laterally bordering the cavity, an open end and a rear wall bounding the cavity on an end lying opposite the open end and remote therefrom. Also included is a housing lid releasably connected to the housing basic body on the open end and sealing the housing basic body; and an intermediate floor. The intermediate floor, in the case of the electronics housing of the invention, forms: a gap extending between an inner surface of the side wall of the housing basic body and a lateral surface of the intermediate floor facing the inner surface; and two housing chambers in the cavity of the housing basic body separated from one another by the intermediate floor. A first housing chamber is arranged on a first side of the intermediate floor facing the housing lid and a second housing chamber is arranged on a second side of the intermediate floor facing away from the housing lid. The intermediate floor is inserted into, and releasably affixed to, the housing basic body. | 12-29-2011 |
20110314934 | VORTEX FLOW MEASURING DEVICE FOR MONITORING AND/OR MEASURING FLOW OF DISTRIBUTED PARTICLES AND/OR DROPLETS - A vortex flow measuring device for monitoring and/or measuring an, at least at times, two phase medium flowing in a pipeline; wherein the medium has a first phase, especially a gaseous, first phase, with a first density and a second phase, especially a particle or droplet shaped, second phase, having a second density different from the first density; and wherein the vortex flow measuring device has at least a measuring tube, which can be inserted in a pipeline, a bluff body, and a vortex sensor, which responds to pressure fluctuations. The vortex flow measuring device additionally includes an acoustic transducer, which is formed integrally in a component, especially the bluff body, which protrudes into a flow path within the measuring tube, or is acoustically coupled to such component in such a manner that acoustic signals produced by impact of particles and/or droplets of the second phase on the component are transducible to electrical signals by the acoustic transducer. | 12-29-2011 |
20110302511 | METHOD FOR PROVIDING AN OPERATING MENU FOR A FIELD DEVICE OF PROCESS AUTOMATION TECHNOLOGY - A method for providing an operating menu (OM) for a field device (FD) of process automation technology, wherein the operating menu (OM) is displayed on a display unit of a servicing device (SD) remote from the field device (FD) by means of a web browser (WB). Settings of the field device (FD) are editable via the operating menu (OM); wherein a number of different operating menus (OM) are available by means of a web server (WS), especially a web server (WS) integrated in the field device (FD); and wherein one of the available operating menus (OM) is selected, especially by a user, via the web browser (WB). | 12-08-2011 |
20110271756 | Driver circuit for a measuring transducer as well as measuring system formed therewith - A driver circuit comprises: a voltage controller (UC | 11-10-2011 |
20110267076 | Method for energy-saving operation of a magneto-inductive flow measuring device - A method for operating a magneto-inductive flow measuring device having a measuring tube, wherein an at least partially electrically-conductive measured material flows through the measuring tube. For determining flow, there is produced by means of at least one coil arrangement a clocked magnetic field, which at least partially passes through the measured material, wherein the magnetic field is produced by an exciter current, which flows through the coil arrangement. The magnetic field is operated with at least a first clocking, wherein, in a case in which the coil arrangement is free of exciter current, an electrical potential difference is sensed between the measured material and a reference potential by means of at least a first measuring electrode communicating with the measured material. The potential difference is compared with a predetermined reference value, and, in the case of a deviation of the potential difference from the reference value which lies within a predetermined threshold value, the magnetic field for determining flow is operated with at least a second clocking, reduced compared to the first clocking. | 11-03-2011 |
20110265580 | Measuring transducer of vibration-type and measuring system formed therewith - A measuring transducer comprises: a transducer housing, of which an inlet-side is formed by means of an inlet-side, flow divider having exactly four flow openings spaced from one another and an outlet-side formed by means of an outlet-side, flow divider having exactly four flow openings from one another; a tube arrangement having exactly four, curved, or bent, measuring tubes connected to the flow dividers for guiding flowing medium along flow paths connected in parallel. Each of the four measuring tubes opens with an inlet-side, measuring tube end into one of the flow openings of the flow divider and with an outlet-side, measuring tube end into one the flow openings of the flow divider. Two flow dividers are arranged in the measuring transducer. An electromechanical exciter mechanism is provided. | 11-03-2011 |
20110259123 | MEASURING TRANSDUER OF VIBRATION-TYPE, AS WELL AS AN IN-LINE MEASURING DEVICE HAVING SUCH A MEASURING TRANSDUCER - A measuring transducer includes: a transducer housing with an inlet-side flow divider having exactly four flow openings and an outlet-side flow divider having exactly four flow openings; as well as exactly four, straight, measuring tubes connected to the flow dividers. Each of the four measuring tubes opens into one the flow openings of the inlet-side flow divider and into one the flow openings of the outlet-side flow divide. Additionally, the measuring transducer includes an electromechanical exciter mechanism for producing and/or maintaining mechanical oscillations of the measuring tubes such that the measuring tubes are excitable pairwise to execute opposite phase bending oscillations in a shared imaginary plane of oscillation. | 10-27-2011 |
20110247430 | MEASURING ARRANGEMENT WITH AN OPTICAL SENSOR - A measuring arrangement for determining a chemical and/or physical, measured variable-especially a volume flow and/or mass flow-of a measured material flowing through a pipeline, wherein the measuring arrangement comprises a measuring transducer, wherein the measuring transducer includes at least one optical waveguide, which serves for producing, registering and/or transmitting measurement signals, and wherein the registering of the measuring signals in the optical waveguide occurs by means of a Fabry-Pérot sensor. | 10-13-2011 |
20110239780 | COUPLING ELEMENT FOR AN ULTRASONIC FLOW MEASURING DEVICE - A coupling element for an ultrasonic, flow measuring device, wherein the coupling element has a pedestal with a bearing surface, on which bearing surface a piezoelement is applied. The pedestal is an integral component of the coupling element. | 10-06-2011 |
20110219857 | Viscometer - The viscometer provides a viscosity value (X | 09-15-2011 |
20110209526 | METHOD AND THERMAL, FLOW MEASURING DEVICE FOR DETERMINING AND/OR MONITORING AT LEAST ONE VARIABLE DEPENDENT ON AT LEAST THE CHEMICAL COMPOSITION OF A MEASURED MEDIUM - Method and thermal, flow measuring device for determining at least one variable dependent on at least the chemical composition of a measured medium, wherein the measured medium has n components, wherein n is greater than or equal to two, wherein each mole fraction, volume fraction and/or mass fraction of m components of the medium is measured, wherein m is smaller than or equal to n minus one, wherein the mole fractions, volume fractions and/or mass fractions of the k components of the measured medium which are not measured, and wherein k is equal to n minus m, are established in such a manner, that the sum of the mole fractions, volume fractions and/or mass fractions of the n components amounts to one. | 09-01-2011 |
20110197681 | MEASURING TRANSDUCER OF VIBRATION-TYPE WITH TWO COUNTEROSCILLATOR ARMS - Measuring transducer of vibration-type for a fluid flowing in a pipeline. The measuring transducer includes, in such case, a curved measuring tube for conveying the fluid, a counteroscillator having two counteroscillator arms, which are arranged on both sides of the measuring tube, and which, in each case, essentially follow the curve of the measuring tube, and which are coupled to one another in such a manner, that, during operation, they oscillate in phase with one another, and which are affixed to the measuring tube on the inlet side and outlet sides for forming corresponding coupling zones. The measuring transducer also includes an exciter mechanism, via which, during operation, the measuring tube and the counteroscillator are excitable to oscillations of opposite phase to one another. In such case, the counteroscillator arms are formed from a different material than the measuring tube, and the material of the counteroscillator arms has a thermal expansion coefficient essentially equal to that of the material of the measuring tube. | 08-18-2011 |
20110187205 | Circuit Arrangement for Supplying a Field Device of Automation Technology - A circuit arrangement CA for supplying a field device F | 08-04-2011 |
20110179881 | Method for determining the mass flow through a coriolis mass flowmeter arranged on a rotating filling element - In a method for determining mass flow with a Coriolis mass flow measuring device arranged on a rotary filler, a correction value Δ{dot over (m)} is ascertained, which is proportional to the RPM n of the rotary filler. This correction value is subtracted from the conventionally ascertained value {dot over (m)} of the mass flow. The corrected measured value {dot over (m)} | 07-28-2011 |
20110174083 | METHOD AND MEASURING SYSTEM FOR DETERMINING AND/OR MONITORING THE FLOW OF A MEASURED MEDIUM THROUGH A MEASURING TUBE - Measuring system ( | 07-21-2011 |
20110167907 | Measuring transducer of vibration-type - The measuring transducer comprises: a transducer housing, of which an inlet-side, housing end is formed by means of a flow divider including four flow openings spaced, and an outlet-side, formed by means of a flow divider including four flow openings spaced, from one another. A tube arrangement including four curved measuring tubes connected to the flow dividers for guiding flowing medium along flow paths connected in parallel. Each measuring tubes opens with an inlet-side, measuring tube end into one of the flow openings of the flow divider and with an outlet-side, measuring tube end into one the flow openings of the flow divider. The two flow dividers are embodied and arranged in the measuring transducer, so that the tube arrangement extends both between a first and a second of the measuring tubes and between a third and a fourth of the measuring tubes. An imaginary longitudinal-section plane, with respect to which the tube arrangement is mirror symmetric and perpendicular to the imaginary longitudinal-section plane, an imaginary longitudinal-section plane, with respect to which the tube arrangement likewise is mirror symmetric. An electromechanical exciter mechanism of the measuring transducer serves for producing and/or maintaining mechanical oscillations of the four measuring tubes. | 07-14-2011 |
20110161018 | MEASURING SYSTEM WITH A MEASURING TRANSDUCER OF VIBRATION-TYPE - The measuring system comprises: A measuring transducer of vibration-type, through which medium flows during operation and which produces primary signals corresponding to parameters of the flowing medium; as well as a transmitter electronics electrically coupled with the measuring transducer for activating the measuring transducer and for evaluating primary signals delivered by the measuring transducer. The measuring transducer includes: At least one measuring tube for conveying flowing medium; at least one electro-mechanical, oscillation exciter for exciting and/or maintaining vibrations of the at least one measuring tube; and a first oscillation sensor for registering vibrations of the at least one measuring tube and for producing a first primary signal of the measuring transducer representing vibrations at least of the at least one measuring tube. The transmitter electronics, in turn, delivers at least one driver signal for the exciter mechanism for effecting vibrations of the at least one measuring tube and generates, by means of the first primary signal and/or by means of the driver signal, as well as with application of a pressure, measured value (X | 06-30-2011 |
20110161017 | MEASURING SYSTEM HAVING A MEASURING TRANSDUCER OF VIBRATION-TYPE - The measuring system comprises: A measuring transducer of vibration-type, through which medium flows during operation and which produces primary signals corresponding to parameters, especially a mass flow rate, a density and/or a viscosity, of the flowing medium; as well as a transmitter electronics electrically coupled with the measuring transducer for activating the measuring transducer and for evaluating primary signals delivered by the measuring transducer. The measuring transducer includes at least one measuring tube for conveying flowing medium; at least one electro-mechanical, oscillation exciter for exciting and/or maintaining vibrations of the at least one measuring tube, a first oscillation sensor for registering inlet-side vibrations at least of the at least one measuring tube and for producing a first primary signal of the measuring transducer representing vibrations at least of the at least one measuring tube, and a second oscillation sensor for registering outlet-side vibrations at least of the at least one measuring tube and for producing a second primary signal of the measuring transducer representing vibrations at least of the at least one measuring tube. The transmitter electronics, in turn, delivers at least one driver signal for the oscillation exciter for effecting vibrations of the at least one measuring tube and generates, by means of the first primary signal and by means of the second primary signal, as well as with application of a Reynolds number, measured value representing a Reynolds number, Re, for medium flowing in the measuring transducer, a pressure difference, measured value, which represents a pressure difference occurring between two predetermined reference points in the flowing medium. | 06-30-2011 |
20110154912 | MEASURING SYSTEM HAVING A MEASURING TRANSDUCER OF VIBRATION-TYPE - The measuring system comprises: A measuring transducer of vibration-type, through which medium flows during operation and which produces primary signals corresponding to parameters of the flowing medium; as well as a transmitter electronics electrically coupled with the measuring transducer for activating the measuring transducer and for evaluating primary signals delivered by the measuring transducer. The measuring transducer includes: At least one measuring tube for conveying flowing medium; at least one electro-mechanical, oscillation exciter for exciting and/or maintaining vibrations of the at least one measuring tube; as well as at least a first oscillation sensor for registering vibrations at least of the at least one measuring tube and for producing a first primary signal of the measuring transducer representing vibrations at least of the at least one measuring tube. The transmitter electronics, in turn, delivers at least one driver signal for the exciter mechanism for effecting vibrations of the at least one measuring tube and generates, by means of the first primary signal, as well as with application of a damping, measured value, which represents an excitation power required for maintaining vibrations of the at least one measuring tube, and, respectively, a damping of vibrations of the at least one measuring tube as a result of inner friction in the medium flowing in the measuring transducer, a pressure difference, measured value, which represents a pressure difference occurring between two predetermined reference points in the flowing medium. | 06-30-2011 |
20110153036 | FLEXIBLY CONFIGURABLE, DATA TRANSMISSION OBJECT - A field device for connection to a fieldbus, wherein the field device is designed to exchange via the fieldbus a data transmission object with a host computer or with an additional field device, wherein the data transmission object has a plurality of freely loadable, transmission berths, and wherein the field device includes a data mapping structure, which establishes an association between variables to be transmitted and transmission berths of the data transmission object. | 06-23-2011 |
20110146416 | Measuring transducer of vibration-type, as well as an in-line measuring device having such a measuring transducer - The measuring transducer serves for registering at least one physical, measured variable of a flowable medium guided in a pipeline and/or for producing Coriolis forces serving for registering a mass flow rate of a flowable medium guided in a pipeline. For such purpose, the measuring transducer comprises: A transducer housing ( | 06-23-2011 |
20110146383 | Measuring transducer of vibration-type, as well as an in-line measuring device having such a measuring transducer - The measuring transducer serves for registering at least one physical, measured variable of a flowable medium guided in a pipeline and/or for producing Coriolis forces serving for registering a mass flow rate of a flowable medium guided in a pipeline. For such purpose, the measuring transducer comprises: A transducer housing ( | 06-23-2011 |
20110132102 | Measuring System for Determining and/or Monitoring Flow of a Measured Medium Through a Measuring Tube - Measuring system for determining and/or monitoring flow of a measured medium through a measuring tube, including: At least one ultrasonic transducer; and at least one control/evaluation unit, which, on the basis of measurement signals or on the basis of measurement data derived from the measurement signals, ascertains volume- and/or mass-flow of the medium flowing in the measuring tube; wherein the ultrasonic transducer has at least one electromechanical transducer element, which sends and/or receives ultrasonic signals; and at least one coupling layer in the region between electromechanical transducer element and measured medium, which coupling layer conducts the ultrasonic signals, and which ultrasonic transducer is acoustically coupleable with the measuring tube and at least partially fittable on the outer shape of the measuring tube and which electromechanical transducer element is flexible. | 06-09-2011 |
20110120231 | ULTRASONIC SENSOR OF A MEASURING SYSTEM FOR DETERMINING AND/OR MONITORING FLOW OF A MEASURED MEDIUM THROUGH A MEASURING TUBE - An sensor of a measuring system for determining and/or monitoring the flow of a measured medium through a measuring tube, wherein the ultrasonic sensor is seated in a shiftable manner in a sensor housing parallel to a first inner surface of the sensor housing. The ultrasonic sensor has a coupling element and an electromechanical ultrasound transducer element, wherein the ultrasonic sensor can, at least at times, at least partially, lie against the first inner surface of the sensor housing, and that a guide hanger at least partially lies against a second inner surface of the sensor housing lying opposite the first inner surface, wherein the ultrasonic sensor is seated in a shiftable manner essentially perpendicularly to the first inner surface in the guide hanger, and wherein a spring between the guide hanger and ultrasonic sensor acts essentially perpendicularly to the first inner surface. | 05-26-2011 |
20110120229 | Messgerat - A measuring device for registering at least one measured value of at least one process variable. The measuring device comprises a measuring tube. The measuring tube has at least one T-joint, on which at least one measurement transmitter is arranged, wherein the measuring tube together with the T-joint is monolithic, and wherein the T-joint is producible from the measuring tube at least partially by a plastic deformation method. | 05-26-2011 |
20110118995 | Coupling element of a sensor of an ultrasonic, flow measuring device - A coupling element of a sensor of an ultrasonic, flow measuring device, which includes at least three rods having, in each case, a first rod end and a second rod end. The rods, in each case, have, on their respective first ends, first end faces, which, in each case, can be acoustically coupled with the sound-emitting and/or sound-receiving area of an ultrasonic transducer element. The respective first end faces of the rods together form a first coupling surface of the coupling element, and the rods, in each case, have, on their respective second ends, second end faces, which form a second coupling surface of the coupling element, wherein the rods, in each case, have a first rod cross section, which is different in shape and/or size from a respective second rod cross section. | 05-19-2011 |
20110098944 | Thermal, flow measuring device - Thermal, flow measuring device and method for operating a thermal, flow measuring device. The thermal, flow measuring device has a first sensor with a first heatable resistance thermometer and at least an additional, second sensor with a second heatable resistance thermometer; wherein a decision coefficient is calculated according to the formula DC=(PC | 04-28-2011 |
20110098943 | Thermal, flow measuring device - Thermal, flow measuring device and method for operating a thermal, flow measuring device, wherein the thermal, flow measuring device has a first sensor with a first heatable resistance thermometer and at least an additional, second sensor with a second heatable resistance thermometer. A decision coefficient is calculated according to the formula DC=(PC | 04-28-2011 |
20110094312 | Measuring transducer of vibration type - A measuring transducer of vibration type, especially a Coriolis mass flow meter, having a housing and a mass flow tube, wherein the mass flow tube is formed into a helix having a first loop and a second loop; wherein the mass flow tube has a securement element which affixes a peripheral point of the first loop relative to a neighboring peripheral point of the second loop; and wherein the mass flow tube has an oscillation exciter on a side lying opposite the securement element along the mass flow tube. The mass flow tube has provided between the oscillation exciter and the securement element at least one add-on part acting as a canceling mass. | 04-28-2011 |
20110094309 | METHOD AND MEASURING SYSTEM FOR DETERMINING AND/OR MONITORING FLOW OF A MEASURED MEDIUM IN A MEASURING TUBE - Measuring system and method for determining and/or monitoring flow of a measured medium through a measuring tube with a first ultrasonic sensor and at least a second ultrasonic sensor, wherein the first ultrasonic sensor has at least one electromechanical ultrasonic transducer element and is placeable in a first region of the measuring tube, and wherein the second ultrasonic sensor has at least two electromechanical ultrasonic transducer elements and is placeable in a second region of the measuring tube in such a manner, that the ultrasonic signals transmittable through the measured medium from the first ultrasonic sensor are receivable by the second ultrasonic sensor, and that the ultrasonic signals transmittable through the measured medium from the second ultrasonic sensor are receivable by the first ultrasonic sensor, and with at least one control/evaluation unit, which, on the basis of the ultrasonic-measuring signals, or on the basis of measurement data, which are derived from the ultrasonic measuring signals, ascertains the volume flow and/or the mass flow of the measured medium flowing in the measuring tube by means of a travel-time difference method. During a diagnostic phase, ultrasonic signals are transmitted from the first ultrasonic sensor through the measured medium to the second ultrasonic sensor, and at least one process variable is ascertained and/or derived from the received ultrasonic signals for each electromechanical ultrasonic transducer element of the second ultrasonic sensor, and the electromechanical ultrasonic transducer elements of the second ultrasonic sensor which are to be active in a following measuring phase are selected on the basis of the process variable of the received ultrasonic signals. | 04-28-2011 |
20110088486 | Apparatus for determining and/or monitoring a flow parameter - An apparatus for determining and/or monitoring at least one flow parameter of a medium, wherein the medium flows through at least one measuring tube essentially along an imaginary flow axis, wherein at least one exciter transducer element is provided, which, based on an exciter signal, excites the measuring tube to mechanical oscillations, and wherein at least one receiver transducer element is provided, which receives mechanical oscillations of the measuring tube as a received signal. The invention includes that at least one separating unit is provided, and that the separating unit is embodied and arranged in the measuring tube in such a manner, that at least two sub measuring tubes result in the measuring tube, wherein the medium flows through the at least two sub measuring tubes essentially along the imaginary flow axis. | 04-21-2011 |
20110079091 | Apparatus for determining and/or monitoring a flow parameter - An apparatus for determining and/or monitoring of at least one flow parameter of a medium, wherein the medium flows through a measuring unit, wherein at least one exciter transducer element is provided, which, based on an exciter signal, excites the measuring unit to mechanical oscillations, and wherein at least one receiver transducer element is provided, which receives mechanical oscillations of the measuring unit as a received signal. The measuring unit has at least one guiding unit and one carrying unit, the medium flows through the guiding unit, the guiding unit and the carrying unit are mechanically coupled with one another, the receiver transducer element and the exciter transducer element are mechanically coupled with the carrying unit, and the receiver transducer element and the exciter transducer element are mechanically coupled indirectly via the carrying unit with the guiding unit. | 04-07-2011 |
20110062942 | Measuring device with a measuring- and operating electronics for monitoring a measurement signal - Measuring device with a measuring- and operating electronics ( | 03-17-2011 |
20110060534 | Measuring arrangement for registering chemical and/or physical, measured variables, as well as measuring device therefor - A measuring arrangement of the invention includes: At least one measuring device, which generates, repeatedly during operation, measured values, especially digital, measured values, representing the at least one measured variable to be registered; as well as an electronic data processing system superordinated to the at least one measuring device, especially a data processing system which is spatially distributed and/or spatially remote from the measuring device. Measuring device and data processing system are connected together by means of at least two line-pairs, through each of which an electrical current flows, at least at times, during operation. According to the invention, the measuring device transmits the internally generated, measured values to the data processing system via both line-pairs. In this way, it is then possible to transmit a plurality of measured values simultaneously, when each of the two line-pairs is embodied as part of a two-conductor current-loop. | 03-10-2011 |
20110041598 | Construction and manufacturing method for a sensor of a thermal flow measuring device - Thermal flow measuring device and method for the manufacture of a thermal flow measuring device with a spacer having a first cavity for accommodating a resistance thermometer, wherein the spacer has at least a first planar area, which faces the first cavity, and a second cavity, through which the resistance thermometer can be pressed by means of a hold-down onto the first planar area of the spacer. | 02-24-2011 |
20110041597 | Manufacturing method for a sensor of a thermal flow measuring device - A method for the manufacture of a sensor for a thermal flow measuring device, wherein the sensor has at least one housing with a first open end and a second open end. The first open end is securable in a sensor holder; and at least one resistance thermometer is inserted into the housing through the second open end of the housing and the second open end of the housing is closed. Cables for electrical contacting of the resistance thermometer lead out of the housing through the first open end of the housing. | 02-24-2011 |
20110023624 | Vibration-type measuring transducer as well as measuring device with such a measuring transducer - A measuring transducer comprising at least one measuring tube for conveying a flowing medium. The measuring tube vibrates at least at times during operation. A sensor arrangement, which serves to register oscillations of the at least one measuring tube. The measuring tube extends with an oscillatory length between an inlet-side, first measuring tube end, and an outlet-side, second measuring tube end, and, during operation, oscillates about an oscillation axis, which is parallel to or coincides with an imagined connecting axis which imaginarily connects the two measuring tube ends. By means of a first oscillation sensor, the sensor arrangement produces a first primary signal of the measuring transducer representing vibrations of the measuring tube, and by means of a second oscillation sensor the sensor arrangement produces a second primary signal of the measuring transducer representing vibrations of the measuring tube, wherein a length of a region of the first measuring tube extending between the first oscillation sensor and the second oscillation sensor defines a measuring length of the measuring transducer. The oscillation sensors of the sensor arrangement are placed in the measuring transducer in such a way that a measuring transducer sensitivity, S | 02-03-2011 |
20110023623 | Device for Determining and/or Monitoring the Volume or Mass Flow Rate of a Medium in a Pipe Conduit - An apparatus for ascertaining, and/or monitoring, volume- or mass-flow of a medium flowing through a pipeline in the direction of the longitudinal axis of the pipeline. The apparatus includes: at least one ultrasonic sensor, which radiates/receives ultrasonic measuring signals at an angle of incidence/emergence into/out-of the pipeline; and a control/evaluation unit which provides, based on the ultrasonic measuring signals, information concerning volume- and/or mass-flow of the medium through the pipeline. The ultrasonic sensor includes at least one sound-producing element, a coupling shoe and a coupling adapter. The end region of the coupling adapter facing the coupling shoe has a securement mechanism for releasable securement of the coupling adapter to the coupling shoe. The end region of the coupling adapter facing the pipeline is embodied as a function of the pipeline in such a manner that it is form-fittingly securable to the pipeline. | 02-03-2011 |
20110016990 | Vibration-type measuring transducer as well as measuring device with such a measuring transducer - A measuring transducer, comprises at least one measuring tube for conveying a flowing medium. The measuring tube vibrates at least at times during operation. The measuring transducer further comprises a sensor arrangement, which serves to register oscillations of the measuring tube. The measuring tube extends with an oscillatory length between an inlet-side, first measuring tube end and an outlet-side, second measuring tube end, and, during operation, oscillates about an oscillation axis, which is parallel to or coincides with an imagined connecting axis which imaginarily connects the two measuring tube ends. By means of a first oscillation sensor, which is arranged on the measuring tube, the sensor arrangement produces a first primary signal representing vibrations of the measuring tube, and by means of a second oscillation sensor, which is arranged on the measuring tube spaced from the first measuring sensor, the sensor arrangement produces a second primary signal representing vibrations of the measuring tube. The oscillation sensors of the sensor arrangement are placed in the measuring transducer in such a way that a measuring length of the measuring transducer corresponds to less than 65% especially less than 55% of the oscillatory length, and greater than 25%, especially greater than 30% of the oscillatory length. | 01-27-2011 |
20110005311 | TEMPERATURE SENSOR AND METHOD FOR ITS MANUFACTURE - A thermal, flow measuring device for determining and/or monitoring flow of a measured medium through a measuring tube. The thermal, flow measuring device includes: a first pin-shaped shell and at least a second pin-shaped shell; a first resistance thermometer and at least a second resistance thermometer. At least the first resistance thermometer is embodied so as to be heatable, wherein the resistance thermometers, in each case, have a first surface, and at least a second surface, which lies opposite the first surface. The first pin-shaped shell surrounds the first resistance thermometer, and the second pin-shaped shell surrounds the second resistance thermometer. The pin-shaped shells are fillable with a fill material; wherein, in each case, at least one spacer is placeable between the pin-shaped shell and the first surface of the resistance thermometer, and the second surface of the resistance thermometer is at least partially covered with fill material. | 01-13-2011 |
20100300212 | ELECTRODE FOR A MAGNETO-INDUCTIVE FLOW MEASURING DEVICE - Electrode for a magneto-inductive flow measuring device for determining volume flow of an electrically conductive medium flowing through a measuring tube. The measuring tube, or at least the portion of it which comes in contact with the medium, is not electrically conductive; wherein the electrode exhibits an electrode shaft and an electrode head. The electrode head contacts the medium, and the electrode shaft exhibits frustoconically shaped sealing lips arranged one after the other in the direction of the longitudinal axis of the electrode. The electrode shaft is pressed into a bore in the wall of the measuring tube. The maximum diameter of the sealing lip nearest the electrode head is greater than the diameter of the bore, and, at least in a part of the electrode shaft, the maximum diameter of any following sealing lip is greater than the maximum diameter of the preceding sealing lip. | 12-02-2010 |
20100294043 | Apparatus for measuring volume-or mass-flow of a medium in a pipeline - An apparatus for measuring volume- or mass-flow of a medium in a pipeline. The apparatus includes: a measuring tube, through which medium flows in the direction of the measuring tube axis, wherein the measuring tube has, in stream direction of the medium, a first end region and a second end region; a magnet system, which a produces a magnetic field passing through the measuring tube essentially transversely to the measuring tube axis; at least one measuring electrode coupled with the medium and arranged in a region of the measuring tube lying essentially perpendicular to the magnetic field; and a control/evaluation unit, which delivers information concerning volume- or mass-flow of the medium in the measuring tube on the basis of a measurement voltage induced in the at least one measuring electrode. In order to keep costs for the magneto-inductive flow measuring device low, the measuring tube is embodied as one-piece and the first end region and the second end region of the measuring tube are flared. | 11-25-2010 |
20100292939 | Method for Determining an Output Value of a Sensor of Automation Technology - In a method for determining an output value of a sensor of automation technology, in a case in which the sensor has a non-linear characteristic curve K, which is pointwise specified, help points H | 11-18-2010 |
20100281996 | Magneto-Inductive Flow Measuring Device - A magneto-inductive flow measuring device, including: A measuring tube, through which a medium flows essentially directed along a measuring tube axis; a magnet arrangement, which produces an alternating magnetic field passing through the measuring tube essentially perpendicularly to the measuring tube axis; two measuring electrodes arranged essentially on a line directed essentially perpendicularly to the measuring tube axis and to the magnetic field; and a control/evaluation unit, which determines volume, or mass, flow of the medium through the measuring tube on the basis of a measurement voltage tapped on the measuring electrodes. In order to detect an error state at the flow measuring device early, the control/evaluation unit determines current, actual, settling time to reach a stable measurement state of the measuring device. The control/evaluation unit then compares the actual settling time with a desired settling time predetermined for the measuring device for reaching the stable measurement state and generates an error report, when the actual settling time is greater than the predetermined, desired, settling time. | 11-11-2010 |
20100257943 | MEASURING SYSTEM HAVING A MEASURING TRANSDUCER OF VIBRATING-TYPE - A measuring system having a measuring transducer, which generates primary signals influenced by at least one measured variable characterizing the flowing medium; an evaluating circuit electrically coupled with the measuring transducer and processing primary signals delivered by the measuring transducer to measured values. The measuring transducer includes: at least one measuring tube, which serves for conveying medium to be measured; an exciter mechanism acting on the measuring tube for causing the at least one measuring tube to vibrate; as well as a sensor arrangement serving for registering oscillations of the measuring tube. A first oscillation sensor, a first primary signal of the measuring transducer representing vibrations of the measuring tube, by means of a second oscillation sensor spaced from the first oscillation sensor. A third oscillation sensor arranged on the measuring tube and spaced both from the first oscillation sensor as well as also from the second oscillation sensor. The evaluating circuit, in turn, generates, a measured value of mass flow, which represents, instantaneously, a mass flow rate, of medium flowing through the measuring transducer. | 10-14-2010 |
20100257940 | ULTRASONIC TRANSDUCER FOR DETERMINING AND/OR MONITORING FLOW OF A MEASURED MEDIUM THROUGH A MEASURING TUBE - An ultrasonic transducer for determining and/or monitoring flow of a measured medium through a measuring tube, which includes at least one piezoelectric element, at least one coupling element and at least one adapting, or matching, layer between the piezoelectric element and coupling element. The adapting, or matching, layer has a thickness smaller than a fourth of an uneven integer multiple of a wavelength of an ultrasonic signal being used. | 10-14-2010 |
20100251830 | Measuring system for media flowing in a pipeline - The measuring system of the invention comprises: A measuring transducer of vibration-type, through which medium flows during operation and which serves for producing oscillatory signals dependent on a viscosity of the flowing medium and/or a Reynolds number of the flowing medium; as well as a transmitter electronics electrically coupled with the measuring transducer for driven the measuring transducer and for evaluating oscillatory signals delivered by the measuring transducer. The measuring transducer includes: An inlet-side flow divider ( | 10-07-2010 |
20100242624 | Measuring transducer of vibration-type, as well as an in-line measuring device having such a measuring transducer - The measuring transducer serves for registering at least one physical, measured variable of a flowable medium guided in a pipeline and/or for producing Coriolis forces serving for registering a mass flow rate of a flowable medium guided in a pipeline. For such purpose, the measuring transducer comprises: A transducer housing ( | 09-30-2010 |
20100242623 | Measuring system for media flowing in a pipeline - The measuring system of the invention comprises: A measuring transducer of vibration-type, through which medium flows during operation and which serves for producing oscillatory signals dependent on a viscosity of the flowing medium and/or a Reynolds number of the flowing medium; as well as a transmitter electronics electrically coupled with the measuring transducer for driven the measuring transducer and for evaluating oscillatory signals delivered by the measuring transducer. The measuring transducer includes: An inlet-side flow divider ( | 09-30-2010 |
20100236338 | Measuring transducer of vibration-type, as well as an in-line measuring device having such a measuring transducer - A measuring transducer comprising: a transducer housing, of which an inlet-side, housing end is formed by means of an inlet-side, flow divider having exactly four flow openings spaced, in each case, from one another and an outlet-side, housing end is formed by means of an outlet-side, flow divider having exactly four flow openings spaced, in each case, from one another; as well as exactly four, straight, measuring tubes connected to the flow dividers for guiding flowing medium along flow paths connected in parallel. The measuring transducer includes an electromechanical exciter mechanism for producing and/or maintaining mechanical oscillations of the four measuring tubes. The measuring tubes are excitable pairwise to execute opposite phase bending oscillations in, in each case, a shared imaginary plane of oscillation. | 09-23-2010 |
20100231294 | APPARATUS AND METHOD FOR SIGNAL PROCESSING OF VOLTAGE SIGNALS FROM ELECTRODES OF A MAGNETO-INDUCTIVE, FLOW MEASURING DEVICE BIER3004/FJD - Signal processing circuit for voltage signals from electrodes of a magneto-inductive, flow measuring device, wherein two measuring electrodes are connected with a fully differentially working amplifier having two inputs and two outputs. | 09-16-2010 |
20100211630 | METHOD FOR TRANSMITTING DATA TO A FIELD DEVICE IN AUTOMATED TECHNOLOGY, IN PARTICULAR AUTOMATED PROCESS TECHNOLOGY - In a method for transmitting data to a field device of automation technology, especially process automation technology, data are made available in a server computer unit connected with a network. Assigned in the server computer unit to individual field devices are electronic mail boxes with an electronic mailing addresses. Data necessary for an update are transmitted as electronic mail from the server computer unit to the individual field devices. | 08-19-2010 |
20100187392 | APPARATUS FOR SECURING A MEASURING OR DISPLAY UNIT ON AN OBJECT - An apparatus for securing a measuring or display unit on an object. Included is elongated guide element, on which an orientation aid and a holder for the measuring unit or for the display unit are arranged shiftably in the longitudinal direction of the guide element, wherein the orientation aid and the holder are so positionable relative to one another, that the object is held clamped between the orientation aid and the holder or a mounted sensor, and wherein a resilient tensioning apparatus is provided, with which the measuring or display unit is pressable with a defined clamping force onto the object. | 07-29-2010 |
20100147085 | Pipeline or Measuring Tube Having at Least One Layer Which Insulates at Least in Certain Regions, and Process for the Production Thereof - A pipeline or measuring tube having at least one insulating layer, at least in certain regions, and comprising, manufactured in a primary shaping method, a tubular element, which has an otherwise closed structure and which has at least one region with an open-pored, cellular structure, wherein the material of the insulating layer, in the applying of the insulating layer, can penetrate into the pores of the open-pored, cellular structure of the tubular element and the insulating layer has on the side to be insulated a closed, homogeneous structure. | 06-17-2010 |
20100147068 | Method and measuring system for determining and/or monitoring an aggregate state change of a measured medium on a thermal, flow measuring device - A for determining and/or monitoring aggregate state changes on a thermal, flow measuring device of at least a first part of a measured medium, wherein, by means of the temperature of the medium being measured, by means of the chemical composition of the medium being measured and by means of the partial pressure of the at least first part of the medium being measured and/or by means of the total pressure of the medium being measured, at least one phase boundary line of the at least first part of the medium being measured is ascertained At least a first measurement signal is provided from a temperature difference between a first temperature sensor and a second temperature sensor of the thermal, flow measuring device and/or from a heating power supplied the medium being measured, wherein, in the case of a state of the at least first part of the medium being measured in the region of the phase boundary line of the first part of the medium being measured, disturbances of predetermined type in the measurement signal are detected as aggregate state changes on the thermal flow device of the at least first part of the medium being measured. | 06-17-2010 |
20100145541 | FIELDBUS UNIT FOR A TWO-CONDUCTOR FIELDBUS - A fieldbus unit for connection of a field device to a fieldbus comprising two conductors is designed to transfer a signal via the fieldbus by modulation of an electrical current drawn by the field device. The fieldbus unit comprises: an electrical current control transistor, through which the electrical current drawn by the field device flows, wherein the electrical current drawn by the field device is controlled via a base current of the electrical current control transistor; a bipolar transistor, via whose emitter-collector, electrical current path the base current for driving the electrical current control transistor flows; as well as an electrical current controller, which produces an electrical current control signal for controlling the electrical current drawn by the field device. The base of the bipolar transistor is placed at an essentially constant potential, which is so selected, that the bipolar transistor supplies the electrical current control transistor a base current sufficient for start-up of the field device, when the electrical current controller is not supplied with electrical current and delivers no electrical current control signal. The electrical current controller feeds the electrical current control signal via the emitter-collector, electrical current path of the bipolar transistor | 06-10-2010 |
20100139415 | Method for Monitoring an Ultrasound Flowmeter System and/or Process - A method for system- and/or process-monitoring in the case of an ultrasound flow measuring device having a plurality of measuring channels, wherein a medium flows though a pipeline or measuring tube in the direction of a longitudinal axis of the pipeline or measuring tube. Ultrasonic measuring signals are coupled into the pipeline or measuring tube and coupled out of the pipeline or measuring tube in such a way that they travel through the medium along different sound paths. Following passage through the pipeline or measuring tube, the ultrasonic measuring signals are detected in the individual measuring channels, wherein at least one actual quantity describing the ultrasonic measuring signal of each measuring channel is ascertained. The actual quantity is compared with a desired quantity captured under predetermined system- or process-conditions, and a report is output in the case of a difference between the ascertained, actual quantity and the captured, desired quantity. | 06-10-2010 |
20100139390 | APPARATUS FOR DETERMINING AND/OR MONITORING MASS FLOW - The invention relates to an apparatus for determining and/or monitoring mass flow of a fluid medium ( | 06-10-2010 |
20100132480 | Magnet assembly and measuring transducer of vibration type having such a magnet assembly - A magnet assembly includes: a magnetic field delivering, especially rod-shaped, permanent magnet; a retaining assembly fixedly connected with the permanent magnet and having a retaining head facing the permanent magnet and serving for holding the permanent magnet, and a retaining bolt affixed to the retaining head; and a magnet cup having a cup floor and a cup wall extending from the cup floor. The retaining head of the retaining assembly is at least partially accommodated in a passageway provided in the cup floor, so that an outer contact surface of the retaining head and an inner contact surface of the passageway contact one another to form a force-based interlocking between magnet cup and retaining assembly. The magnet assembly is, especially, provided for application as an oscillation transducer and/or for use in a measuring transducer of vibration type. | 06-03-2010 |
20100101333 | METHOD FOR MEASURING AND/OR MONITORING A FLOW PARAMETER AND CORRESPONDING DEVICE - A method and apparatus for measuring and/or monitoring at least one flow parameter of a medium, which medium flows through a measuring tube, wherein the measuring tube is contacted by at least two transducer elements, by means of which the measuring tube is excitable to execute mechanical oscillations and by means of which mechanical oscillations of the measuring tube are receivable. Each of the at least two transducer elements is applied, offset in time, alternately, for exciting the measuring tube to execute mechanical oscillations and for receiving the mechanical oscillations of the measuring tube. | 04-29-2010 |
20100095785 | In-line measuring device - An in line measuring device, includes a measuring transducer of the vibration-type having: at least one measuring tube vibrating, at least at times, during operation, and serving for conveying, at least at times, a two- or multiphase, flowable medium; an exciter mechanism acting on the measuring tube for producing vibrations of the at least one measuring tube; and a sensor arrangement for registering vibrations of the at least one measuring tube and for delivering at least one oscillation measurement signal representing oscillations of the measuring tube. The in line measuring device further includes measuring device electronics electrically coupled with the measuring transducer. The measuring device electronics delivers, at least at times, at least one exciter signal driving the exciter mechanism, and, at least at times, ascertains a damping value of first type, which represents a change of damping opposing the vibrations of the measuring tube within a predeterminable time interval. | 04-22-2010 |
20100095784 | In-line measuring device - An inline measuring device, includes a measuring transducer having: at least one measuring tube vibrating, during operation, and serving for conveying, at least at times, a two- or multiphase, flowable medium; an exciter mechanism for producing vibrations of the measuring tube; and a sensor arrangement for registering vibrations of the measuring tube and for delivering oscillation measurement signal representing oscillations of the measuring tube. Measuring device electronics electrically coupled with the measuring transducer. The measuring device electronics delivers, at least one exciter signal driving the exciter mechanism, and, ascertains a damping value of a first type, which represents, instantaneously, a damping of vibrations of the at least one measuring tube induced by medium conveyed in the at least one measuring tube and antisymmetric with reference to an imaginary central plane of the at least one measuring tube coplanar with a cross section of the measuring tube, and/or which represents, instantaneously, a damping of vibrations of the at least one measuring tube induced by medium conveyed in the at least one measuring tube. | 04-22-2010 |
20100095783 | In-line measuring device - An in line measuring device, includes a measuring transducer having: a least one measuring tube vibrating, during operation, and serving for conveying, a two- or multiphase, flowable medium; an exciter mechanism for producing vibrations of the at least one measuring tube; a sensor arrangement for registering vibrations of the measuring tube and for delivering an oscillation measurement signal representing oscillations of the measuring tube, and a measuring device electronics electrically coupled with the measuring transducer. The measuring device electronics delivers, at least one exciter signal driving the exciter mechanism, and, in such a manner that the at least one measuring tube, during operation,—driven by the exciter mechanism driven by means of the at least one exciter signal—is excited, to execute vibrations in a wanted mode of the measuring transducer, in which it, at least partially, executes bending oscillations about an imaginary bending oscillation axis of the measuring transducer, Moreover, the measuring device electronics ascertains, a damping value of first type, which represents, instantaneously, a damping of vibrations of the at least one measuring tube, which opposes the bending oscillations of the at least one measuring tube corresponding to the Coriolis mode. | 04-22-2010 |
20100089171 | APPARATUS FOR MEASURING VOLUME-OR MASS-FLOW OF A MEDUIM IN A PIPELINE - An apparatus for measuring volume- or mass-flow of a medium in a pipeline. Included is a measuring tube, through which the medium flows in the direction of the longitudinal axis of the measuring tube; a magnet system, which is embodied in such a manner, that it produces a magnetic field passing through the measuring tube essentially transversely to the longitudinal axis of the measuring tube; at least one measuring electrode coupled with the medium, which is arranged in a bore in the wall of the measuring tube in a region lying essentially perpendicular to the magnetic field. The measuring electrode has an elongated electrode shaft having a first widened end region, which is so dimensioned, that its diameter larger is than the diameter of the bore in the wall of the measuring tube, in which the measuring electrode is placed; and a control/evaluation unit, which, on the basis of a measurement voltage induced in the at least one measuring electrode, delivers information concerning volume- or mass-flow of the medium in the measuring tube. In the opposing, second, end region of the electrode shaft of the measuring electrode, at least one radial recess or at least one radial protrusion is arranged. Furthermore, a binding-element is provided, which is so embodied, that it fixes the measuring electrode in the bore of the measuring tube in the axial direction by engaging with the at least one radial recess or protrusion. | 04-15-2010 |
20100043569 | Sensor with micromechanical construction - Measuring transducer of the vibration type for measuring a mass flow of a flowing medium. The measuring transducer includes two straight measuring tubes for conveying the medium, wherein the measuring tubes are arranged in parallel to one another and the measuring transducer is embodied with micromechanical construction. The measuring transducer of the vibration type of the invention permits reliable measurement of the smallest mass flows of a flowing medium in the form of, for example, a liquid or a gas. | 02-25-2010 |
20100043566 | Measuring system with a flow conditioner arranged at an inlet of a measuring table - The measuring system is inserted into the course of a process line and serves for registering at least one measured variable of a medium flowing in the process line. The measuring system includes for such purpose a measuring transducer having a measuring tube serving for conveying medium being measured and a sensor arrangement, which has at least one sensor element reacting primarily to the measured variable to be registered, and which delivers by means of at least one sensor element at least one measurement signal influenced by the measured variable. Further, the measuring system includes a measuring electronics communicating with the measuring transducer and using the at least one measurement signal for producing, at least at times, at least one measured value instantaneously representing the measured variable. The measuring tube has, in the case of the measuring system of the invention, a smaller flow cross section than a supply segment of the process line connected to the inlet end of the measuring system. To this end, the measuring system further includes a flow conditioner arranged at the inlet end of the measuring tube and mediating between the measuring tube and the supply segment of the process line. The flow conditioner has a lumen tapering in the direction of the measuring tube. During operation, medium flows through the lumen of the flow conditioner. The flow conditioner includes at least one impingement surface arranged upstream of its outlet end and protruding into the lumen of the flow conditioner. During operation, medium conveyed in the flow conditioner flows against the impingement surface. | 02-25-2010 |
20100037707 | Measuring transducer of vibration type - A measuring transducer of vibration type for registering, on the basis of the Coriolis principle, at least one measured variable of a medium flowing through a pipeline. The measuring transducer includes: a measuring tube, which is connectable with the pipeline via an inlet and an outlet, wherein the measuring tube includes a first measuring tube arc and a second measuring tube arc; an oscillation exciter for exciting oscillations of the measuring tube arcs; at least one oscillation sensor for registering resulting oscillations of the measuring tube arcs; and a transducer housing surrounding the measuring tube arcs. The measuring tube arcs are elastically coupled to the transducer housing. In this way, a robust and reliable measuring operation is guaranteed, which is little influenced by oscillatory in-couplings. | 02-18-2010 |
20100037704 | Measuring system with a flow conditioner arranged at an inlet of a measuring tube - The measuring system is inserted into the course of a process line and serves for registering at least one measured variable of a medium flowing in the process line. The measuring system includes for such purpose a measuring transducer having a measuring tube serving for conveying medium being measured and a sensor arrangement, which has at least one sensor element reacting primarily to the measured variable to be registered, and which delivers by means of at least one sensor element at least one measurement signal influenced by the measured variable. Further, the measuring system includes a measuring electronics communicating with the measuring transducer and using the at least one measurement signal for producing, at least at times, at least one measured value instantaneously representing the measured variable. The measuring tube has, in the case of the measuring system of the invention, a smaller flow cross section than a supply segment of the process line connected to the inlet end of the measuring system. To this end, the measuring system further includes a flow conditioner arranged at the inlet end of the measuring tube and mediating between the measuring tube and the supply segment of the process line. The flow conditioner has a lumen tapering in the direction of the measuring tube. During operation, medium flows through the lumen of the flow conditioner. The flow conditioner includes at least one impingement surface arranged upstream of its outlet end and protruding into the lumen of the flow conditioner. During operation, medium conveyed in the flow conditioner flows against the impingement surface. | 02-18-2010 |
20100037703 | In-line measuring device with measuring tube and method for manufacture thereof - The measuring tube of the in-line measuring device is lined internally with a liner. The liner is made of a polyurethane produced using a catalyst that contains metal-organic compounds. The metals that are brought into the liner and remain there are chemically, especially atomically, bonded to carbon chains formed in the liner. The in-line measuring device is thus especially suited for measuring drinking water. | 02-18-2010 |
20100031755 | Measuring transducer of a vibration-type - A measuring transducer comprises a measuring tube vibrating at least at times during operation, having a wall thickness (s) and at least one oscillation sensor, especially an electrodynamic oscillation sensor, for producing at least one primary signal of the measuring transducer representing vibrations of the measuring tube. In the measuring transducer at least one securement element, especially a metal securement element, fixedly encircling the measuring tube essentially along a circumferential line thereof and having a total width (B), for holding a component of the oscillation sensor, especially a magnet coil or a permanent magnet, on the measuring tube is provided. The securement element has an essentially rectangular outer perimeter with a projection protruding out therefrom by a height (h) and serving for holding the component of the oscillation sensor. The projection has a width (e), which is smaller than the total width (B) of the securement element. | 02-11-2010 |
20100024567 | Method and apparatus for ascertaining volume- or mass-flow - A method for ascertaining volume- or mass-flow of a magnetically conductive medium flowing through a magneto-inductive, flow-measuring device having a predetermined nominal-diameter, wherein a periodically alternating, magnetic field is caused to pass through the flow-measuring device, the actual rise time, until a constant magnitude of the magnetic field is reached, is ascertained, the actual rise time is compared with a desired rise time ascertained in the case of flow of a reference medium through the flow-measuring device, and, on the basis of a difference between actual rise time and desired rise time, a measurement error is ascertained and the actually measured volume- or mass-flow of the magnetically conductive medium is so corrected, that the measurement error is canceled. | 02-04-2010 |
20100011879 | Measuring system with a flow conditioner arranged at an inlet of a measuring tube - The measuring system is inserted into the course of a process line and serves for registering at least one measured variable of a medium flowing in the process line. The measuring system includes for such purpose a measuring transducer having a measuring tube serving for conveying medium being measured and a sensor arrangement, which has at least one sensor element reacting primarily to the measured variable to be registered, and which delivers by means of at least one sensor element at least one measurement signal influenced by the measured variable. Further, the measuring system includes a measuring electronics communicating with the measuring transducer and using the at least one measurement signal for producing, at least at times, at least one measured value instantaneously representing the measured variable. The measuring tube has, in the case of the measuring system of the invention, a smaller flow cross section than a supply segment of the process line connected to the inlet end of the measuring system. To this end, the measuring system further includes a flow conditioner arranged at the inlet end of the measuring tube and mediating between the measuring tube and the supply segment of the process line. The flow conditioner has a lumen tapering in the direction of the measuring tube. During operation, medium flows through the lumen of the flow conditioner. The flow conditioner includes at least one inner edge arranged upstream of its outlet end and protruding into the lumen of the flow conditioner. During operation, medium conveyed in the flow conditioner flows against the inner edge. | 01-21-2010 |
20090315545 | Apparatus for Measurement of Volume-or-Mass-Flow of a Medium - The invention relates to an apparatus for measuring volume- or mass-flow of a medium flowing through a measuring tube ( | 12-24-2009 |
20090309692 | METHOD FOR PARAMETERIZING A PROCESS AUTOMATION FIELD DEVICE BY SIMULATING THE ACYCLIC SERVICES - In a method for parametering a field device of process automation technology, wherein the field device is connected via a bus system with a control unit, parameter values are packaged in telegrams of cyclic services and transmitted to the field device whose parameter values are to be changed. No acyclic services are required for changing parameter values. | 12-17-2009 |
20090308175 | Magneto-Inductive Measuring Transducer - A measuring transducer including a measuring tube for conveying a fluid; a measuring electrode arrangement for registering electric voltages produced in the flowing fluid; as well as a magnetic field system situated externally on the measuring tube for producing a magnetic field at least partially passing through the measuring tube as well as the therein conveyed fluid during operation, for inducing an electric field in the flowing fluid, wherein the magnetic field system has at least one field coil, through which an electrical exciter current flows at least at times during operation. A coil holder is also including serving for holding the at least one field coil externally on the measuring tube, wherein the measuring tube and coil holder are connected joint-freely with one another, so that the coil holder is embodied as an integral component of the measuring tube. | 12-17-2009 |
20090306796 | Apparatus for Operating a Process Installation - A set-up for operating a process installation. The set-up includes a control station and at least one field device which determines or monitors at least one process variable. Each field device has a program memory in which a boot-loader software is persistently implemented. The boot-loader software enables communication of the field device with the control station. A transmission link is provided, via which the control station and the field device, or field devices communicate with one another during operation. Each field device transmits to the control station upon booting of the field device via the transmission link device-specific information. The control station transmits to the field device after receipt of the device-specific information, application- and/or device-specific, measurement/control/evaluation software, which is matched to a particular application of the field device and which the field device stores in a data memory associated with it. The field device based on application- and/or device-specific, measurement/control/evaluation software available to it during operation, makes available information concerning the process variable. | 12-10-2009 |
20090301218 | Magneto-Inductive Flow Measuring Device - The invention relates to an apparatus for measuring volume- or mass-flow of a medium ( | 12-10-2009 |
20090277278 | Measuring device and method for monitoring a measuring deivce - A measuring device includes: a measuring transducer accommodated, at least partially, in a housing, for registering at least one, measured variable; and a measuring device electronics electrically connected, at least at times, with the measuring transducer. The measuring device electronics includes at least one measurement channel for registering and further processing at least one primary signal generated by means of the measuring transducer, and an electrical current measuring circuit for registering measuring-device-internally flowing, electrical currents. Furthermore, it is provided, that the electrical current measuring circuit registers, during operation, at least at times, especially recurringly, an electrical leakage current, which flows as a result of a potential difference existing, at least at times, between housing and measuring device electronics and as a result of an electrically conductive connection likewise existing between housing and measuring device electronics, especially an undesired, electrically conductive connection and/or an electrically conductive connection formed by a deposit affecting the housing. Taking into consideration the registered leakage current, the measuring device electronics generates, additionally, at least one state value, especially a digital state value, instantaneously representing an operating state, especially a defective operating state, of the measuring device. | 11-12-2009 |
20090266176 | Magneto-inductive flow measuring device - A magneto-inductive flow measuring device, including: A measuring tube, through which a medium flows essentially in a direction of a measuring tube axis; a magnet arrangement, which produces a magnetic field passing through the measuring tube and extending essentially perpendicularly to the measuring tube axis; a first measuring electrode and a second measuring electrode; wherein the measuring electrodes are positioned in the measuring tube on a connecting line, which is directed essentially perpendicularly to the measuring tube axis and to the magnetic field; and an evaluation/control unit, which ascertains, on the basis of a measurement voltage tapped on the measuring electrodes, the volume- and/or mass-flow of the medium through the measuring tube. In order to increase the measuring accuracy of the multi-parameter flow measuring device, the first measuring electrode is made of a first material and the second measuring electrode is made of a second material different from the first material. The control/evaluation unit ascertains the direct voltage portion of the voltages tapped on the two measuring electrodes relative to a reference potential (φ | 10-29-2009 |
20090249890 | Method for operating a measuring device arranged on a rotating, carousel-type, filling machine - A method including: at least one oscillation measurement signal serving as primary signal of first class representing vibrations of a measuring tube, through which medium to be measured is momentarily flowing; and at least one oscillation measurement signal serving as primary signal of second class representing vibrations of at least one measuring tube, especially of the same measuring transducer, and orbiting around the axis of rotation of a carousel-type filling machine orbiting, but not containing flowing medium. Furthermore, based on both the primary signal of first class as well as also the primary signal of second class, at least one measured value, representing a measured variable, especially a mass flow rate and/or an integrated mass flow and/or a density of medium to be measured, is generated. Additionally, an apparatus is provided suited for reducing the method to practice and/or embodied as a carousel-type filling machine. | 10-08-2009 |
20090241689 | Use of silver-copper-palladium brazing alloys - A compound arrangement comprising a first component of metal being brazed to a second component of metal. The first component has an external cylindrical surface touching an cylindrical internal surface of the second component. The second component clasps the first component tightly, so that the second component exerts compressive stress on said external surface of the first component. | 10-01-2009 |
20090235759 | Measuring transducer of vibration-type - The measuring transducer includes at least one measuring tube communicating with a line connected during operation for conveying a medium to be measured, and a support element oscillatably holding the at least one measuring tube. Additionally, it is provided that the support element contains at least two passageways, via which the at least one measuring tube communicates with the line, and that the at least one measuring tube is affixed, especially releasably, at least one end to the support element by means of a screwed-fitting at one of the passageways. Alternatively or in supplementation thereof, it is further provided that the at least one measuring tube is, at least in part, made of cold-strengthened, for instance cold-stretched or autofrettaged, material. As required, the measuring transducer can further include at least two measuring tubes communicating with the line for conveying the medium; each of these two measuring tubes is to be connected to an inlet-side distributor element and an outlet-side distributor element. In such case, at least one of the two distributor elements can be embodied as an integral component of the support element, so that the support element can be kept, at least in the area of this at least one distributor element, free of materially bonded, joined locations, especially free of solder, braze or weld connections. The measuring transducer of the invention is especially provided also for applications in which the medium to be measured acts with a pressure of more than 500 bar, especially over 700 bar, on the measuring tube. | 09-24-2009 |
20090218000 | Apparatus for Redirecting a Medium Flowing in a Pipeline - An apparatus for redirecting a medium flowing in a pipeline. The apparatus includes a plurality of individual tubes and at least a first perforated plate and a second perforated plate having a plurality of perforations, wherein the first perforated plate is provided in the region of the inlet and wherein the second perforated plate is provided in the region of the outlet for the purpose of holding and guiding the individual tubes. The number of perforations in the two perforated plates corresponds to the number of individual tubes, wherein the individual tubes each bend in a central region by a predetermined bending angle, wherein the bending angle of each individual tube is so selected, that the individual tubes form a bundle having an essentially circular cross section. The individual tubes extend in the bundle essentially parallel to one another, and wherein the inlet region and the outlet region of each individual tube are straight. | 09-03-2009 |
20090217771 | Measuring system for a medium flowing in a process line - The measuring system is inserted into the course of a process line and serves for registering at least one measured variable of a medium flowing in the process line. The measuring system includes for such purpose a measuring transducer having a measuring tube serving for conveying medium being measured and a sensor arrangement, which has at least one sensor element reacting primarily to the measured variable to be registered, and which delivers by means of at least one sensor element at least one measurement signal influenced by the measured variable. Further, the measuring system includes a measuring electronics communicating with the measuring transducer and using the at least one measurement signal for producing, at least at times, at least one measured value instantaneously representing the measured variable. | 09-03-2009 |
20090214775 | In-line measuring device with measuring tube lined internally with polyurethane and method for manufacture thereof - The measuring tube of the in-line measuring device is formed by means of a support tube and a liner internally lining the support tube. The liner adheres to the support tube, with interposition of a mediating primer. Both the primer and the liner are composed, at least in part, of polyurethane. Especially, both the polyurethane of the liner and also the polyurethane of the primer are suitable for drinking water applications, so that the in-line measuring device itself is also suited for measuring drinking water. | 08-27-2009 |
20090214774 | In- line measuring device with measuring tube lined internally with polyurethane and method for manufacture thereof - The measuring tube of an in-line measuring device is formed by means of a support tube and a liner internally lining the support tube. The liner adheres to the support tube, with interposition of a mediating primer. Both the primer and the liner are composed, at least in part, of polyurethane. Especially, both the polyurethane of the liner and also the polyurethane of the primer are suitable for drinking water applications, so that the in-line measuring device itself is also suited for measuring drinking water. | 08-27-2009 |
20090211347 | Method and Apparatus for Ascertaining and/or Monitoring a Process Variable - A method for ascertaining and/or monitoring a process variable, wherein a time-limited, exciting signal, which is described by at least one desired quantity, or by a desired signal form, is applied to a first piezoelectric element, or to a first polarized zone of a piezoelectric element. The response signal, which is described by at least one actual quantity, or actual signal form, corresponding, respectively, to the desired quantity, or desired signal form, is registered by a second piezoelectric element, or by a second polarized zone of the piezoelectric element, wherein the actual quantity, or the actual signal form, of the response signal and the desired quantity, or the designed signal form, of the response signal are compared with one another, wherein, in the case of a deviation of the actual quantity, or actual signal form, of the response signal from the desired quantity, or desired signal form, of the response signal, the exciting signal is so modified, that the actual quantity, or actual signal form, transmitted from the first piezoelectric element, or from the first zone of the piezoelectric element, is at least approximately equal to the desired quantity, or desired signal form, of the response signal. On the basis of the ultrasonic measuring signal, which is describable by the defined desired quantity, or the defined, desired signal form, the process variable is ascertained via a sound-entrainment method or via an echo method. | 08-27-2009 |
20090211330 | Method for ascertaining volume -or mass- flow of a medium - A method for ascertaining volume- or mass-flow of a medium in a pipeline, or measuring tube, of radius (r) via a sound entrainment method, wherein ultrasonic measuring signals are transmitted and/or received along a plurality of defined sound paths (m). During a calibration phase, successive, different flow profiles (v(r)) of a measured medium are established in the pipeline, or in the measuring tube, and wherein, for each flow profile (v(r)), a defined volume flow, or a defined mass flow, is ascertained, wherein, on the basis of measured values (v) | 08-27-2009 |
20090210077 | Method for Operating a Field Device in Automation Engineering With Special Functionalities - In a method for operating a field device of automation technology capable of special-functionalities, an enabling code set having a plurality of enabling code is managed in a superordinated, key-management unit. With the assistance of the enabling codes, special-functionalities can be enabled in field devices. Associated with individual enabling codes of the enabling code set is, in each case, an attribute, “free” or “blocked”. If a special-functionality is needed, then an enabling code is transmitted to the field device, in case an enabling code with attribute “free” is present. Following transmission, the attribute of the transmitted enabling code is changed from free to blocked. The method permits enabling code to be used very flexably. | 08-20-2009 |
20090199655 | Method for Determining Working Point of a Magneto-Inductive Flow Measuring Device - A method for determining the working point of a magneto-inductive flow measuring device for detecting volume- or mass-flow of a medium flowing through a pipeline or measuring tube, wherein an alternating magnetic field produced by a coil arrangement is caused to pass through the pipeline or measuring tube, wherein a sensor-specific rise time (t | 08-13-2009 |
20090145656 | Electrical device - A device embodied as a measuring- and/or switching-device of industrial measurements and automation technology and/or an electronic, device, has at least one housing with at least one chamber, especially a chamber accommodating electrical, electronic and/or electromechanical components and/or assemblies of the device, especially a chamber which is sealed pressure-tightly and/or explosion-resistantly. A space of such chamber surrounding the components and/or assemblies is at least partially, especially completely and/or in an ignition protection type “Ex-m” guaranteeing manner, filled with embedding compound. Additionally incorporated in the embedding compound are hollow bodies, especially essentially spherically shaped, hollow bodies and/or hollow bodies filled with gas, especially hollow bodies e.g. in the form of microballoons. | 06-11-2009 |
20090145244 | Measuring transducer of vibration-type - A measuring transducer includes: a measuring tube vibrating at least at times and serving for conveying medium to be measured; a counteroscillator, which is affixed to the measuring tube on an inlet-side, to form a first coupling zone, and to the measuring tube on an outlet-side, to form a second coupling zone; an exciter mechanism for driving at least the measuring tube; as well as a sensor arrangement for registering oscillations at least of the measuring tube. During operation, the measuring tube executes, at least at times and/or at least in part, bending oscillations about an imaginary bending oscillation axis, which imaginarily connects the two coupling zones with one another. Additionally, at least a first spring element and a second spring element are included, with each of the at least two spring elements being affixed to the measuring tube and the counteroscillator spaced both from each of the two coupling zones as well as also from the exciter mechanism. | 06-11-2009 |
20090139349 | Vibration type measurement transducer - A measurement transducer includes: At least one interconnected system formed by means of at least two components, especially components of metal. At least the first component of the interconnected system is, in such case, embodied as a composite, formed part composed of at least two materials, which differ from one another with respect to at least one physical and/or chemical property, especially a material density, melting temperature, coefficient of thermal expansion and/or modulus of elasticity, etc. As a result of using at least one composite component, the at least two components of the interconnected system can be bonded together lastingly and reliably, especially by means of welding, such being true especially also for the case in which the interconnected system is a bi-, or poly-, metal, interconnected system. | 06-04-2009 |
20090138693 | Determining device-internal parameter addresses from fieldbus-specific parameter addresses of a field device - A field device of process automation technology containing a plurality of parameters, with which are associated device-internal parameter addresses. The field device is connectable to a fieldbus having a fieldbus-specific parameter addressing system. In such case, the device-internal parameter addresses of the plurality of parameters are determinable by application of a generic mathematical function to belonging fieldbus-specific parameter addresses formed according to the fieldbus-specific parameter addressing system. | 05-28-2009 |
20090100940 | Apparatus For Determining And/Or Monitoring Volume- And/Or Mass-Flow - An ultrasonic flow measuring device for determining and/or monitoring volume- and/or mass-flow of a measured medium through a pipeline or measuring tube. The wall of the pipeline or measuring tube is provided, in the region of the defined sensor position of the ultrasonic sensor and/or in the region of the sound path of the ultrasonic measuring signals of the at least one ultrasonic sensor, with a deformation or deformations, which is/are embodied and/or arranged in such a manner that the flow velocity of the medium measured in the sound path, or, in the case of plural ultrasonic sensors, the measured and/or the combined flow velocities of the medium in the sound paths correspond/corresponds at least approximately to average flow velocity of the medium averaged over the area of the pipeline or measuring tube. | 04-23-2009 |
20090095088 | Device for Determining and/or Monitoring a Volume Flow and/or a Mass Flow - An apparatus for ascertaining and/or monitoring volume- and/or mass-flow of a measured medium flowing in a flow direction through a measuring tube of predetermined inner diameter. The apparatus includes a plurality of ultrasonic sensors, which transmit and/or receive ultrasonic measuring signals along different, defined measuring paths, and a control/evaluation unit, which ascertains volume- and/or mass-flow of the measured medium in a pipeline/in the measuring tube on the basis of the ultrasonic measuring signals according to a sound entrainment method or the echo principle. At least two ultrasonic sensors, which transmit and/or receive the ultrasonic measuring signals on different measuring paths, are positioned in an opening located in the wall of the measuring tube. | 04-16-2009 |
20090049925 | Measuring system for a medium flowing in a process line - A measuring system serves for measuring a density of a medium flowing in a process line along a flow axis of the measuring system in the case of a medium which is variable as regards a thermodynamic state, especially a medium which is, at least in part, compressible. The measuring system includes at least one temperature sensor placed at a temperature measuring point, reacting primarily to a local temperature, θ, of medium flowing past, and delivering at least one temperature measurement signal influenced by the local temperature of the medium to be measured; at least one pressure sensor placed at a pressure measuring point, reacting primarily to a local, especially a static, pressure, p, of medium flowing past, and delivering at least one pressure measurement signal influenced by the local pressure, p, in the medium to be measured; as well as a measuring electronics communicating, in each case, at least at times, with the temperature sensor and the pressure sensor. The measuring electronics produces, at least at times, with application both of the temperature measurement signal as well as also at least the pressure measurement signal, as well as with application of at least one numerical compensation factor, especially a digitally stored compensation factor, at least at times, at least one density measured-value, especially a digital, density measured-value, representing, instantaneously, a local density, ρ, which the flowing medium has at a virtual density measuring point, especially a virtual density measuring point predeterminably spaced from the pressure measuring point and/or from the temperature measuring point, along the flow axis. The compensation factor (K) corresponds with a locational variability of at least one thermodynamic variable of the medium, especially a temperature, a pressure or a density, occurring along the flow axis of the measuring system, especially as ascertained in advance and/or during operation, and/or corresponds with a locational variability of the Reynolds number of the flowing medium along the flow axis of the measuring system, especially as ascertained in advance and/or during operation. | 02-26-2009 |
20090038409 | Measuring device - A measuring device, embodied, for example, as an in-line measuring device and/or flow measuring device, serves for registering at least one measured variable of a medium, for example a medium flowing in a pipeline, and is made, at least in part, of a solid, biologically degradable, synthetic material (BDM). | 02-12-2009 |
20090038406 | Measuring system for a medium flowing in a process line - A measuring system for measuring a density of a medium flowing in a process line along a flow axis of the measuring system in the case of a medium which is variable as regards a thermodynamic state, especially a medium which is, at least in part, compressible. The measuring system includes at least one temperature sensor placed at a temperature measuring point, reacting primarily to a local temperature, θ, of medium flowing past, and delivering at least one temperature measurement signal influenced by the local temperature of the medium to be measured; at least one pressure sensor placed at a pressure measuring point, reacting primarily to a local, especially a static, pressure, p, of medium flowing past, and delivering at least one pressure measurement signal influenced by the local pressure, p, in the medium to be measured; as well as a measuring electronics communicating, in each case, at least at times, with the temperature sensor and the pressure sensor. The measuring electronics produces, with application both of the temperature measurement signal as well as also at least the pressure measurement signal, at least at times, at least one density measured-value, especially a digital, density measured-value, representing, instantaneously, a local density, ρ, which the flowing medium has at a virtual density measuring point, especially a locationally fixed, virtual density measuring point, predeterminably spaced from the pressure measuring point and/or from the temperature measuring point, along the flow axis. | 02-12-2009 |
20090038405 | Measuring system for a medium flowing in a process line - A measuring system for measuring a density of a medium flowing in a process line along a flow axis of the measuring system in the case of a medium which is variable as regards a thermodynamic state, especially a medium which is, at least in part, compressible. Included are: at least one temperature sensor placed at a temperature measuring point, reacting primarily to a local temperature, θ, of medium flowing past, and delivering at least one temperature measurement signal influenced by the local temperature of the medium to be measured; at least one pressure sensor placed at a pressure measuring point, reacting primarily to a local, especially a static, pressure, p, of medium flowing past, and delivering at least one pressure measurement signal influenced by the local pressure, p, in the medium to be measured; as well as a measuring electronics communicating, in each case, at least at times, with the temperature sensor and the pressure sensor. The measuring electronics ascertains, with application both of the temperature measurement signal as well as also at least the pressure measurement signal, a provisional density measured value, which represents a density, which the flowing medium only apparently has at a virtual density measuring point, especially a virtual density measuring point predeterminably spaced from the pressure measuring point and/or the temperature measuring point along the flow axis. Additionally, the measuring electronics produces, with application of the provisional density measured value as well as at least density correction value determined at run-time and dependent both on a flow velocity of the medium as well as also on the local temperature reigning at the temperature measuring point, at least at times, at least one density measured value, especially a digital density measured value, differing from the provisional density measured value and instantaneously more accurately representing than the provisional density measured value a local density, ρ, which the flowing medium actually has at the virtual density measuring point. | 02-12-2009 |
20090013798 | Measuring system for a medium flowing in a process line - A measuring system for measuring a density of a medium flowing in a process line along a flow axis of the measuring system in the case of a medium which is variable as regards a thermodynamic state, especially a medium which is, at least in part, compressible. The measuring system includes therefor: At least one temperature sensor placed at a temperature measuring point, reacting primarily to a local temperature, θ, of medium flowing past, and delivering at least one temperature measurement signal influenced by the local temperature of the medium to be measured; at least one pressure sensor placed at a pressure measuring point, reacting primarily to a local, especially a static, pressure, p, of medium flowing past, and delivering at least one pressure measurement signal influenced by the local pressure, p, in the medium to be measured; at least one flow sensor placed at a flow measuring point, reacting primarily to a local flow parameter, especially a flow velocity, a volume flow or a mass flow of the medium to be measured, especially also changes of such, especially a flow parameter averaged over a cross section of the process line, and delivering at least one flow measurement signal influenced by the local flow parameter; as well as a measuring electronics communicating, in each case, at least at times, with the temperature sensor and the pressure sensor. The measuring electronics produces, with application both of the temperature measurement signal as well as also the pressure measurement signal, as well as also the flow measurement signal, at least at times, at least one density measured-value, especially a digital, density measured-value, representing, instantaneously, a local density, ρ, which the flowing medium has at a virtual density measuring point, especially a virtual density measuring point predeterminably spaced from the pressure measuring point and/or from the temperature measuring point along the flow axis. | 01-15-2009 |
20080307879 | Method for Control of a Thermal/Calorimetric Flow Measuring Device - A method for control of a thermal, or calorimetric, flow measuring device, which ascertains and/or monitors, by means of two temperature sensors, the flow of a measured medium through a pipeline or measuring tube in a process, wherein the current temperature (T | 12-18-2008 |
20080299915 | Radio Unit for Field Devices Used in Automation Technology - A radio unit RU for field devices used in automation technology can be detachably connected to a field device. Via the radio unit RU, a radio connection to a service unit SU is possible over a radio network. The radio unit RU reads an identifier of the field device F | 12-04-2008 |
20080295608 | Apparatus for Measuring and/or Monitoring Flow of a Medium - An apparatus for measuring and/or monitoring the flow of a medium to be measured, which is flowing through a measuring tube in the direction of the longitudinal axis of the measuring tube. The apparatus includes: A magnet arrangement which produces a magnetic field passing through the measuring tube and running essentially transversely to the longitudinal axis of the measuring tube; two measuring electrodes which are galvanically or capacitively coupled with the medium to be measured and which are arranged in such a manner that a measurement voltage is induced in them, evoked by the medium to be measured; an evaluation control unit, which, on the basis of the measurement voltage induced in the measurement electrodes, provides information concerning the volume flow of the medium to be measured in the measuring tube; wherein connecting lines, or signal lines, as the case may be, are provided, by way of which the measurement signals are led between the measurement electrodes and the control/evaluation unit. In order to be able to arrange the signal lines in a space saving manner, the signal lines are arranged in an essentially planar structure. | 12-04-2008 |
20080288933 | Method for start-up and/or reconfiguration of a programmable field-device - An installed hardware of a measuring field device includes at least one transducer reacting during operation to a chemical and/or physical, measured variable of a pourable and/or flowable medium, especially a pourable or flowable bulk good, liquid, gas or the like, as well as a microcomputer communicating during operation with the transducer. The field device is first installed by means of the transducer on, and/or in a process vessel serving for conveying and/or holding pourable and/or flowable media for forming a process measuring point. Thereafter, the microcomputer is booted and a basic software held in a memory provided within the field device for providing, at least in part, basic functionalities of the field device is activated in such a manner that the basic software is executable by means of the microcomputer so that, in the interaction of basic software and hardware installed in the field device, the basic functionalities of the field device are available. Additionally, at least one initial identification parameter set held at least temporarily in the field device and at least approximately identifying the process measuring point is transferred, with application of basic software executed in the microcomputer, to a data processing system superordinated externally of the field device, and at least one upgrade software providing custom functionalities for the field measuring device going beyond the basic functionalities and held in a second memory, is selected from an ensemble of software products, taking into consideration the at least one, initial identification parameter set. A selected upgrade software fitted to the process measuring point is then transferred into a third memory provided within the field measuring device and then activated in such a manner that it is executable by means of the microcomputer, so that, in interaction of upgrade software and hardware installed in the field device, custom functionalities of the field measuring device are available. | 11-20-2008 |
20080262796 | Method for predictive maintenance and/or method for determining electrical conductivity in a magneto-inductive flow-measuring device - A method for predictive maintenance for a magneto-inductive flow-measuring device and/or to a method for determining electrical conductivity of a medium flowing through a magneto-inductive flow-measuring device, wherein the magneto-inductive flow-measuring device includes a magnet system, which produces a magnetic field passing through the measuring tube essentially transversely to a measuring tube axis; at least two measuring electrodes coupled with the medium, having a defined rest potential and being arranged in a region of the measuring tube lying essentially perpendicularly to the magnetic field; and a control/evaluation unit, which delivers information concerning volume- or mass-flow of the medium on the basis of measurement voltage induced in the measuring electrodes. A first exciting signal with a first frequency (f | 10-23-2008 |
20080250871 | Measuring transducer of vibration-type - A measuring transducer includes: A measuring tube vibrating, at least at times, during operation and serving for conveying a medium, wherein the measuring tube communicates with a pipeline via an inlet tube piece at an inlet end and an outlet tube piece at an outlet end; a counteroscillator, which is affixed to the measuring tube on the inlet end to form a first coupling zone and affixed to the measuring tube on the outlet end to form a second coupling zone; and a transducer housing affixed to the inlet tube piece and the outlet tube piece. An exciter mechanism, for driving at least the measuring tube, and a sensor arrangement, for registering oscillations at least of the measuring tube, are, in each case, secured, at least in part, to the counteroscillator. Additionally, on the inlet side, an cantilever is so coupled in the region of the coupling zone with the inlet tube piece and the measuring tube, that the center of mass of the cantilever lies in the region of the inlet tube piece, and, on the outlet side, an cantilever is so coupled in the region of the coupling zone with the outlet tube piece and the measuring tube, that the center of mass of the cantilever lies in the region of the outlet tube piece. Furthermore, the measuring transducer includes connection lines, especially connection lines for the exciter mechanism and/or for the sensor arrangement, with at least one of the connection lines being secured to at least one of the two cantilevers. | 10-16-2008 |
20080250867 | Method for operating a magneto-inductive flow measuring device - A medium to be measured is allowed to flow through a measuring tube of a flow meter and a magnetic field passing at least sectionally with a time-varying intensity through the medium in the measuring tube is produced in such a manner that a measurement voltage is induced at least at times, especially in a clocked manner, in the medium. The measurement voltage induced in the medium is tapped, at least at times, by means of an electrode pair formed by first and second measuring electrodes for producing an analog measurement signal corresponding with the measurement voltage, and a flow-type of the medium located in the measuring tube, as determined by an instantaneous flow profile and/or an instantaneous composition of the flowing medium, is ascertained with application of a digital signal representing the at least one measurement signal. Starting on the basis that the measurement signal has a wanted-portion corresponding essentially with an instantaneous flow velocity of the medium and a noise portion influenced at least partially by existent disturbances in the flowing medium, ascertained are: a noise spectrum of the measurement signal corresponding with the noise portion; and, with application at least of a part of the noise spectrum, a state value signaling, at least qualitatively, at least one flow-type present in the measuring tube. | 10-16-2008 |
20080250866 | Method For Monitoring Function of a Magneto-Inductive Flow Transducer - A method for monitoring a function of a magnetically inductive flow measuring sensor having a measuring tube and a magnetic field generator provided with at least two coils. The coils are used in the measuring mode for generating a magnetic field which penetrates the measuring tube. The method makes it possible to specifically monitor generation of the magnetic field, the coils being additionally used for function monitoring purposes. During function monitoring, at least one of the coils is used as a producer which produces a magnetic field that changes over time and penetrates at least one other coil, at least one of the other coils is used as a receiver via which a received signal induced by the magnetic field that changes over time can be derived, and functioning of the flow measuring sensor is monitored based on the received signal. | 10-16-2008 |
20080229846 | Method for start-up and/or monitoring of an inline measuring device - The measuring device includes a flow measuring transducer, through which a medium to be measured flows during operation. For monitoring an installed position of the flow transducer, the method of the invention provides, on the basis of application of a suitable tilt sensor, for ascertaining an instantaneous inclination of the measuring transducer corresponding to a tilt of at least one principal axis of inertia of the measuring transducer relative to at least one reference axis. | 09-25-2008 |
20080223150 | Measuring transducer of vibration-type - A measuring transducer includes: a measuring tube vibrating, at least at times, during operation and serving for conveying a medium, wherein the measuring tube communicates with a pipeline via an inlet tube piece on an inlet side and an outlet tube piece on an outlet side; a counteroscillator, which is affixed to the measuring tube on the inlet and outlet sides to form coupling zones; an cantilever coupled with the measuring tube on the inlet side; an cantilever coupled with the measuring tube on the outlet side; a sensor arrangement secured, at least in part, to the counteroscillator for registering oscillations at least of the measuring tube; an exciter mechanism secured, at least in part, to the counteroscillator for driving at least the measuring tube; a transducer housing affixed to the inlet tube piece and to the outlet tube piece; as well as connection lines, of which at least one is secured at least pointwise to the transducer housing and at least pointwise to an inner part of the measuring transducer formed by means of measuring tube, counteroscillator and the two cantilevers. A section at least of the one connection line extends freely suspended between two mutually spaced tie-down points. One of the tie-down points is located on the inner part of the measuring transducer and the other on the transducer housing. The two tie-down points are so placed that a relative distance therebetween remains essentially unchanged, even when the measuring tube is vibrating. | 09-18-2008 |
20080223149 | Measuring transducer of vibration-Type - The measuring transducer includes: a measuring tube vibrating, at least at times, during operation and serving for conveying a medium, wherein the measuring tube communicates with a pipeline via an inlet tube piece at an inlet end and an outlet tube piece at an outlet end; a counteroscillator, which is affixed to the measuring tube on the inlet end to form a first coupling zone and affixed to the measuring tube on the outlet end to form a second coupling zone; a sensor arrangement secured, at least in part, to the counteroscillator for registering oscillations at least of the measuring tube; an exciter mechanism secured, at least in part, to the counteroscillator for driving at least the measuring tube; a transducer housing affixed to the inlet tube piece and the outlet tube piece; and connection lines, especially connection lines for the exciter mechanism and/or for the sensor arrangement, of which connection lines at least one is secured at least sectionally along the counteroscillator and secured at least pointwise thereto, as well as to the transducer housing. The connection lines are routed essentially symmetrically with respect to a principal axis of inertia of the inner part formed by means of measuring tube and counteroscillator, especially mirror-symmetrically with respect to at least one principal axis of inertia of the counteroscillator, whereby an essentially symmetrical damping force per unit length can be assured in the measuring transducer. | 09-18-2008 |
20080198689 | Apparatus and process for mixing at least two fluids - The apparatus comprises a first fluid line for conducting an intermittently flowing first fluid and a second fluid line for conducting an intermittently flowing second fluid, the two fluid lines being connected at a junction to a third fluid line, which forwards the two, particularly mixed, fluids. Further, the apparatus comprises a first flow adjuster, inserted in the first fluid line for setting a volumetric or mass flow rate of the first fluid, and a second flow adjuster, inserted in the second fluid line for setting a volumetric or mass flow rate of the second fluid, as well as apparatus for generating a first control signal, representing an instantaneous setting value for the first flow adjuster, and a second control signal, representing an instantaneous setting value for the second flow adjuster. To produce the fluid mixture, the first fluid and the second fluid are made to flow into the third fluid line alternately. The invention is particularly suited for mixing fluids having different viscosities. | 08-21-2008 |