Patents Assigned to Flowtec AG
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Patent number: 10612950Abstract: The application discloses a thermal, flow measuring device comprising: a sensor including a metal sensor housing having a hollow body and a base; and at least first and second pin sleeves protruding from the base. In a first of the two pin sleeves a first heater is provided and in a second of the two pin sleeves a temperature sensor is provided for ascertaining a temperature of a medium. At least two elongated elements extend with at least the same length as the pin sleeves starting from the hollow body in parallel with the two pin sleeves. On a cutting plane perpendicular to the sensor axis another axis extends that is perpendicular to the connecting axis and wherein the separation of the elongated elements in their course parallel with the axis lessens in certain regions.Type: GrantFiled: September 8, 2016Date of Patent: April 7, 2020Assignee: Endress+Hauser Flowtec AGInventors: Martin Barth, Alexander Grün, Emioni Papadopoulou, Axel Pfau
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Patent number: 10605641Abstract: A measuring device which has at least a first component, in which an integral measurement duct is provided or the first component forms in connection with additional components a measurement duct integrally in the measuring device. The measurement duct is provided for conducting a measured medium through the measuring device, characterized in that the first component has a first sensor for determining a first thermophysical property selected from thermal conductivity, thermal diffusivity and/or specific heat capacity of the measured medium, and wherein the measuring device has a second sensor, which vibrates and is provided for determining viscosity and/or density of the measured medium. The measured medium is conducted through the measurement duct from the first sensor to the second sensor.Type: GrantFiled: October 27, 2014Date of Patent: March 31, 2020Assignee: ENDRESS + HAUSER FLOWTEC AGInventors: Anastasios Badarlis, Axel Pfau, Oliver Popp, Vivek Kumar, Hanno Schultheis
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Patent number: 10598534Abstract: The density measuring device serves for measuring density, ?, of a flowable medium and comprises a measuring device electronics (ME) as well as a measuring transducer (MT) electrically connected therewith. The measuring transducer includes a measuring tube (10), an oscillation exciter (41) for exciting and maintaining oscillations and an oscillation sensor (51) for registering oscillations of the at least one measuring tube. The measuring device electronics is adapted by means of an oscillation measurement signal (s1) as well as an exciter signal (e1) to adjust a drive force effecting wanted oscillations (namely oscillations with a predetermined wanted frequency, fN) of the measuring tube.Type: GrantFiled: November 3, 2014Date of Patent: March 24, 2020Assignee: Endress + Hauser Flowtec AGInventors: Christof Huber, Vivek Kumar, Philipp Montsko, Tobias Schwer
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Patent number: 10591361Abstract: An apparatus for early warning against condensation induced hydraulic shock in a pipe, conveying a fluid present at least in a first part in the vapor phase and, in the case of condensate formation, in a second part in the form of a condensate, comprising at least two temperature sensors, which are arranged in the pipe and, thus, are fluid contacting, and at least one electronics unit, wherein the first temperature sensor is so arranged that it measures the temperature of the vapor, wherein the second temperature sensor is so arranged that it measures the temperature of the condensate, wherein the at least one electronics unit is so embodied that it ascertains the temperature difference between the temperature of the vapor and the temperature of the condensate, and, upon reaching a predetermined limit value for the temperature difference, generates a report.Type: GrantFiled: July 16, 2015Date of Patent: March 17, 2020Assignee: ENDRESS + HAUSER FLOWTEC AGInventors: Rainer Hocker, Oliver Popp
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Patent number: 10591335Abstract: A Coriolis mass flow measuring device and/or density measuring device includes two bent measuring tubes, which extend mirror symmetrically to a first mirror plane between the measuring tubes, an actuator arrangement and at least one sensor arrangement. At the inlet end and at the outlet end, a collector, with which the measuring tubes are joined, wherein the collectors each fulfill the functionality of a node plate. A support body, which connects the collectors rigidly with one another; and inlet end and outlet end, in each case, at least one plate-shaped coupler, which connect the measuring tubes pairwise with one another, in order to form an oscillator. The couplers have tube openings for measuring tubes, wherein the measuring tubes are connected at least sectionally with the couplers, wherein inlet end and outlet end, in each case, at least one coupler has, between the measuring tubes, a tuning opening for influencing the oscillation characteristics of the oscillator.Type: GrantFiled: November 18, 2015Date of Patent: March 17, 2020Assignee: ENDRESS + HAUSER FLOWTEC AGInventors: Hao Zhu, Alfred Rieder, Ennio Bitto
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Patent number: 10591333Abstract: In the method, a portion of the metal tube is placed in a lumen of a metal sleeve having a metal wall surrounding the lumen. The metal tube is placed in such a manner that an outer surface of the metal tube and an inner surface of the metal sleeve at least partially contact one another. The metal sleeve is affixed on the portion of the metal tube placed in its lumen for forming a metal tube, metal sleeve, composite system. The metal tube, metal sleeve, composite system, in turn, is placed in the passageway of the metal body in such a manner that an outer surface of the metal sleeve and an inner surface of the passageway at least partially contact one another, in order thereafter by plastically deforming at least the metal sleeve of the metal tube, metal sleeve, composite system placed in the passageway to form a force interlocking between the inner surface of the passageway and the outer surface of the metal sleeve.Type: GrantFiled: November 17, 2014Date of Patent: March 17, 2020Assignee: ENDRESS + HAUSER FLOWTEC AGInventors: Christian Schutze, Marcel Braun, Dirk Butzbach, Rainer Lorenz
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Coil arrangement, and electrochemical switch, respectively measurement transmitter, formed therewith
Patent number: 10591513Abstract: A coil arrangement has an electrical coil and an armature movable between a first and second end positions, an electronic switch switchable between at least two switch states, a control and monitoring circuit for producing a switching signal actuating the electronic switch and an operating circuit for providing an operating voltage and an electrical current measurement signal representing an electrical current flowing as a function of time in a coil electrical current circuit formed with the coil. The control and monitoring circuit is adapted to detect whether an inductance of the coil has a dependence on the switching signal as a function of time. The electromechanical has a first switch contact movable between first and second switch positions, a second switch contact and a coil arrangement of the invention, while the measurement transmitter has also a measuring circuit for receiving at least one transducer signal.Type: GrantFiled: May 27, 2015Date of Patent: March 17, 2020Assignee: ENDRESS + HAUSER FLOWTEC AGInventors: Adrian Brunner, Matthias Brudermann, Christoph Werle -
Patent number: 10591328Abstract: An arrangement for transmitting and/or receiving an ultrasonic, wanted signal in a measured medium, comprising a vibration decoupling element for securing at least one ultrasonic transducer in a containment, characterized in that the vibration decoupling element has a platform for securing the vibration decoupling element to a sensor nozzle or to the containment and a second interface for securing an ultrasonic transducer. Between the second interface and the platform a vibration decoupling structural element is arranged, which structural element is embodied as a solid body, which has one or more interfaces with other elements of the vibration decoupling element, especially with the second interface for securing the ultrasonic transducer and/or the platform, and wherein the structural element (11, 39, 55, 75) has an as much as possible spherical-, ellipsoidal-, toroidal- or polyhedral shape.Type: GrantFiled: September 25, 2015Date of Patent: March 17, 2020Assignee: ENDRESS + HAUSER FLOWTEC AGInventors: Oliver Berberig, Andreas Berger, Michal Bezdek, Pierre Ueberschlag
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Patent number: 10551230Abstract: A measuring system, embodied as a clamp-on, ultrasonic, flow measuring device, comprises a tube, or a pipe, having a lumen surrounded by a tube, or pipe, wall, which tube or pipe is adapted to guide a volume portion of the fluid in its lumen; an ultrasonic transducer mounted on the tube, or pipe, on an outside of the tube, or pipe, wall facing away from the lumen, and acoustically coupled via the tube, or pipe, wall to fluid guided in the lumen, and adapted to convert a time varying electrical voltage into ultrasonic waves propagating through the tube, or pipe, wall and further through fluid guided in the lumen; an ultrasonic transducer mounted on the tube, or pipe, separated from the ultrasonic transducer on the outside of the tube, or pipe, wall, and acoustically coupled via the tube, or pipe, wall to fluid guided in the lumen, and adapted to receive ultrasonic waves propagating through fluid guided in the lumen, and further through the tube, or pipe, wall and to transduce such into an electrical voltage vaType: GrantFiled: May 9, 2016Date of Patent: February 4, 2020Assignee: ENDRESS + HAUSER FLOWTEC AGInventors: Peter Ploss, Stefan Rupitsch, Michael Bezdek, Thomas Frohlich, Beat Kissling
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Patent number: 10533884Abstract: A measuring transducer for registering and/or monitoring at least one process variable of a flowable medium guided in a pipeline, which at least includes: a housing module, which is mechanically coupled with the pipeline via an inlet end and an outlet end, and a sensor module having at least one measuring tube held oscillatably at least partially in the housing module and caused, at least at times, to oscillate. The at least one component of the housing module and/or of the sensor module is manufactured by means of a generative method and method for manufacturing at least one component of a measuring transducer, which method includes manufacturing the at least one component by means of a primary forming process, especially by means of a layered applying and/or melting-on of a powder, especially a metal powder, based on a digital data set, which gives at least the shape and/or the material and/or the structure of the at least one component.Type: GrantFiled: November 9, 2015Date of Patent: January 14, 2020Assignee: ENDRESS + HAUSER FLOWTEC AGInventors: Martin Josef Anklin, Gerhard Eckert, Christian Schutze, Ennio Bitto, Christof Huber, Claude Hollinger, Alfred Rieder, Michael Kirst
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Patent number: 10533883Abstract: A thermal flow measuring device for determining and/or monitoring the mass flow and/or the flow velocity of a flowable medium through a pipeline, comprising at least three sensor elements and an electronics unit. Each sensor element is in thermal contact with the medium, and includes a heatable temperature sensor.Type: GrantFiled: December 7, 2015Date of Patent: January 14, 2020Assignee: ENDRESS + HAUSER FLOWTEC AGInventors: Martin Arnold, Axel Pfau
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Publication number: 20200003592Abstract: A magnetically inductive flow meter having a measuring tube with a wall, which includes an electrically insulating surface of a first material, and an electrode having an electrode axis, wherein the electrode has at least one electrode end surface for tapping off a measuring signal, in particular a measuring voltage, in a measuring medium, and has an electrode shank extending through the measuring tube wall, wherein the electrode has a stop projecting from the electrode shank with a stop surface to limit the displaceability of the electrode relative to the wall along the electrode axis, wherein the electrode has an electrically insulating coating in a region of the electrode shank and in a region of the stop surface, wherein the material of the electrically insulating coating has a Shore hardness which is equal to or lower than that of the first material.Type: ApplicationFiled: October 11, 2017Publication date: January 2, 2020Applicant: Endress+Hauser Flowtec AGInventors: Thomas Sulzer, Florent Tschambser
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Publication number: 20190376827Abstract: The invention relates to a sensor of a thermal, flow measuring device, to a thermal, flow measuring device and to a method for manufacturing such a sensor, wherein the sensor has a sensor cup having at least one protrusion, which assures a constant spacing of a sensor element from a cup floor, so that a good temperature transfer between sensor and a medium flowing around the sensor is assured.Type: ApplicationFiled: April 19, 2017Publication date: December 12, 2019Applicant: Endress+Hauser Flowtec AGInventors: Stephan GABERTHÜEL, Alexander GRÜN, Hanno SCHULTHEIS, Tobias BAUR
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Patent number: 10497350Abstract: An arrangement, comprising a housing wall, an ultrasonic transducer and a damping element with a longitudinal axis, which damping element connects the ultrasonic transducer with the housing wall. The ultrasonic transducer has an end piece with a medium-contacting surface, from which ultrasonic signals are transferred into a gaseous or liquid medium. The damping element is provided for body sound damping between the ultrasonic transducer and the housing wall, and wherein the damping element has at least one, especially a number of, oscillatory nodes, characterized in that there is arranged between the damping element and the housing wall at least a first sealing ring, which is positioned at a height of an oscillatory node.Type: GrantFiled: March 24, 2016Date of Patent: December 3, 2019Assignee: ENDRESS + HAUSER FLOWTEC AGInventors: Yaoying Lin, Alfred Rieder, Wolfgang Drahm, Michal Bezdek, Pierre Ueberschlag
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Patent number: 10488234Abstract: A measuring tube for a magneto-inductive flow measuring device, comprising a support tube and a liner arranged in the support tube. The measuring tube has at least one terminal support bushing of porous material for anchoring the liner to the support tube. A magneto-inductive flow measuring device with such a measuring tube.Type: GrantFiled: November 14, 2014Date of Patent: November 26, 2019Assignee: ENDRESS + HAUSER FLOWTEC AGInventors: Werner Wohlgemuth, Frank Voigt
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Patent number: 10488235Abstract: A measuring tube for a magneto-inductive flow measuring device, comprising a support tube, a liner arranged in the support tube and a reinforcement structure embedded in the liner. A helical contour is arranged between the support tube and the reinforcement structure. And a magneto-inductive flow measuring device having such a measuring tube.Type: GrantFiled: November 14, 2014Date of Patent: November 26, 2019Assignee: ENDRESS + HAUSER FLOWTEC AGInventors: Werner Wohlgemuth, Frank Voigt
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Patent number: 10480969Abstract: A field device of measuring- and automation technology, which field device meets requirements for operation in explosion-endangered environments. Safe operation of the field device in explosion-endangered environments is assured by a pluggable connector coupling for electrical coupling of different field device components. An essential feature of the pluggable connector coupling is a sealing element for spatial and gas-tight sealing of a contact region of contacting elements of the pluggable connector coupling from a free volume remaining in the pluggable connector coupling.Type: GrantFiled: March 13, 2017Date of Patent: November 19, 2019Assignee: ENDRESS + HAUSER FLOWTEC AGInventors: Nikolai Fink, Frank Bonschab, Markus Beissert
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Patent number: 10473497Abstract: A magneto-inductive flow measuring device for ascertaining flow of a measured medium through a measuring tube having a measuring tube axis, comprising: at least a first coil component having a coil body for accommodating a coil core of a coil. The coil is wound on the coil body and the coil core is arranged in a first passageway of the coil body with a longitudinal axis of the coil core coaxial with the coil. At least two cable strands are arranged between the coil core and the coil body, wherein the cable strands serve for tapping the signal of two or more measuring electrodes arranged on the measuring tube. The cable strands extend within the coil component essentially along a cutting plane, which extends perpendicular to the measuring tube axis.Type: GrantFiled: July 16, 2015Date of Patent: November 12, 2019Assignee: ENDRESS + HAUSER FLOWTEC AGInventors: Frank Voigt, Günther Bähr, Thomas Küng
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Patent number: 10466151Abstract: A method is provided for measuring density of a fluid by means of at least one at least sectionally curved measuring tube. The measuring tube is adapted to be flowed through by the fluid and concurrently to be caused to vibrate over a wanted oscillatory length, namely a tube length measured from a first tube end to a second tube end, a length which is greater than a minimum separation of the second tube end from the first tube end. According to the invention, among other things, also a tilt measured value representing an inclination of the at least one measuring tube in the static resting position relative to a local acceleration of gravity is ascertained, in such a manner that such represents an angle of intersection between a direction vector of an imaginary first reference axis (y-axis) and a direction vector of an imaginary second reference axis (g-axis).Type: GrantFiled: November 18, 2015Date of Patent: November 5, 2019Assignee: ENDRESS + HAUSER FLOWTEC AGInventors: Gerhard Eckert, Alfred Rieder, Hao Zhu
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Patent number: 10461526Abstract: An apparatus for monitoring at least one physical or chemical process variable, comprising at least one sensor unit and an electronics unit for signal registration, evaluation and/or feeding, wherein the sensor unit is operated with alternating electrical current and/or communication between the electronics unit and the sensor unit occurs with alternating electrical current and/or alternating voltage. An explosion protection circuit with intrinsic safety, which includes a safety barrier, which has at least one unit for electrical current- and/or voltage limiting, is provided within the explosion protection circuit a unit for impedance matching, which unit for impedance matching includes at least one transformer.Type: GrantFiled: August 19, 2015Date of Patent: October 29, 2019Assignee: ENDRESS + HAUSER FLOWTEC AGInventors: Achim Wiest, Andreas Berger, Oliver Brumberg