Patents Assigned to Endress + Hauser Flowtec AG
  • Patent number: 10634531
    Abstract: A measuring tube, especially a measuring tube for an ultrasonic, flow measuring device, which measuring tube has a measuring tube wall and at least in certain regions a basic form with rotational symmetry or polygonal cross section and a straight measuring tube axis. The measuring tube includes at least one functional area for positioning a reflector, on which an acoustic signal is reflected on a signal path, and the functional area is formed integrally from the measuring tube wall. The functional area defines in at least one sectional view a circular segment, which serves as support for a reflector or the functional areas has stops, whose distal ends define in at least one sectional view a circular segment, which serves as support for a reflector, as well as an ultrasonic, flow measuring device and a method for manufacture of a measuring tube.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: April 28, 2020
    Assignee: ENDRESS + HAUSER FLOWTEC AG
    Inventors: Achim Wiest, Beat Kissling, Quirin Muller, Sascha Grunwald
  • Patent number: 10620026
    Abstract: The invention relates to an ultrasonic transducer with a housing, in which a transducer element for producing and detecting ultrasonic signals and an acoustic transformer are arranged, wherein the acoustic transformer is acoustically and mechanically coupled with the transducer element. The housing includes at least one housing body, which has at least one housing chamber with a housing wall, which housing wall at least partially surrounds the acoustic transformer, wherein the housing is acoustically and mechanically connected with a measuring tube wall or a container wall and wherein the acoustic transformer is connected or connectable mechanically with the housing via a lateral surface of the acoustic transformer by means of a first acoustic insulation, especially an annular first acoustic insulation.
    Type: Grant
    Filed: February 13, 2017
    Date of Patent: April 14, 2020
    Assignee: Endress+Hauser Flowtec AG
    Inventors: Pierre Ueberschlag, Andreas Berger, Michal Bezdek
  • Patent number: 10620083
    Abstract: Method for monitoring and/or checking a pressure device having a lumen surrounded by a wall for conveying and/or storing a fluid. For such purpose, the method comprises a step of registering a strain, of the wall, by means of a strain gage, respectively a strain sensor formed therewith, affixed outwardly on the wall, for ascertaining a strain value representing the strain of the wall, as well as a step of using the strain value for ascertaining damage to the wall, as a result of plastic deformation of the wall and/or as a result of wear of the wall. A measuring system of the invention comprises supplementally to the pressure device at least one strain sensor affixed on a wall segment of the wall for producing a strain signal dependent on a time variable strain, of the wall segment as well as a transmitter electronics electrically coupled with the strain sensor.
    Type: Grant
    Filed: May 19, 2014
    Date of Patent: April 14, 2020
    Assignee: ENDRESS + HAUSER FLOWTEC AG
    Inventors: Hao Zhu, Alfred Rieder, Holger Bernhard
  • Patent number: 10620024
    Abstract: A measuring tube for a magneto-inductive flow measuring device, comprising a support tube and a liner arranged in the support tube wherein the support tube has on its inner surface a surface structure, which prevents a rotary movement of the liner in the measuring tube, and a magneto-inductive flow measuring device with such a measuring tube.
    Type: Grant
    Filed: April 25, 2016
    Date of Patent: April 14, 2020
    Assignee: ENDRESS + HAUSER FLOWTEC AG
    Inventor: Frank Voigt
  • Patent number: 10613045
    Abstract: A Process of determining at least one thermal property of a fluid under investigation with a thermal sensor. The thermal sensor has at least a first sensor element that is heated to provide heat to the fluid under investigation. The first or a second sensor that can sense the temperature of the fluid under investigation, wherein the process is characterized by the following steps: a) Providing a calibrated reduced order model which is calibrated with one or more thermal properties of at least a second and a third fluid; b) (Applying an amount of heat to the fluid under investigation by the first sensor element and) measuring the temperature Tsens at the first and/or second sensor element said fluid under investigation; and c) Extracting one or more thermal property of the fluid under investigation by applying the said temperature Tsens to said calibrated reduced order model.
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: April 7, 2020
    Assignee: ENDRESS + HAUSER FLOWTEC AG
    Inventors: Anastasios Badarlis, Simon Stingelin
  • Patent number: 10612950
    Abstract: 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: Grant
    Filed: September 8, 2016
    Date of Patent: April 7, 2020
    Assignee: Endress+Hauser Flowtec AG
    Inventors: Martin Barth, Alexander Grün, Emioni Papadopoulou, Axel Pfau
  • Patent number: 10615529
    Abstract: The connection apparatus of the invention comprises a platform (200), a plug connector (15) having a plug connector part (19) secured to the platform (200) and electrically connected to the circuit of the field device and a plug connector part (20) connectable with the connection cable and complementary to the first plug connector part (19), as well as a lid (16) held movably relative to the platform (200) for at least partially covering the plug connector (15) formed by connecting the plug connector parts (19, 20).
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: April 7, 2020
    Assignee: ENDRESS + HAUSER FLOWTEC AG
    Inventors: Björn Larsson, Timo Kretzler, Alfred Umkehrer, Michael Kirst
  • Patent number: 10605641
    Abstract: 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: Grant
    Filed: October 27, 2014
    Date of Patent: March 31, 2020
    Assignee: ENDRESS + HAUSER FLOWTEC AG
    Inventors: Anastasios Badarlis, Axel Pfau, Oliver Popp, Vivek Kumar, Hanno Schultheis
  • Patent number: 10598534
    Abstract: 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: Grant
    Filed: November 3, 2014
    Date of Patent: March 24, 2020
    Assignee: Endress + Hauser Flowtec AG
    Inventors: Christof Huber, Vivek Kumar, Philipp Montsko, Tobias Schwer
  • Patent number: 10591335
    Abstract: 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: Grant
    Filed: November 18, 2015
    Date of Patent: March 17, 2020
    Assignee: ENDRESS + HAUSER FLOWTEC AG
    Inventors: Hao Zhu, Alfred Rieder, Ennio Bitto
  • Patent number: 10591333
    Abstract: 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: Grant
    Filed: November 17, 2014
    Date of Patent: March 17, 2020
    Assignee: ENDRESS + HAUSER FLOWTEC AG
    Inventors: Christian Schutze, Marcel Braun, Dirk Butzbach, Rainer Lorenz
  • Patent number: 10591361
    Abstract: 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: Grant
    Filed: July 16, 2015
    Date of Patent: March 17, 2020
    Assignee: ENDRESS + HAUSER FLOWTEC AG
    Inventors: Rainer Hocker, Oliver Popp
  • Patent number: 10591328
    Abstract: 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: Grant
    Filed: September 25, 2015
    Date of Patent: March 17, 2020
    Assignee: ENDRESS + HAUSER FLOWTEC AG
    Inventors: Oliver Berberig, Andreas Berger, Michal Bezdek, Pierre Ueberschlag
  • Patent number: 10591513
    Abstract: 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: Grant
    Filed: May 27, 2015
    Date of Patent: March 17, 2020
    Assignee: ENDRESS + HAUSER FLOWTEC AG
    Inventors: Adrian Brunner, Matthias Brudermann, Christoph Werle
  • Patent number: 10551230
    Abstract: 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 va
    Type: Grant
    Filed: May 9, 2016
    Date of Patent: February 4, 2020
    Assignee: ENDRESS + HAUSER FLOWTEC AG
    Inventors: Peter Ploss, Stefan Rupitsch, Michael Bezdek, Thomas Frohlich, Beat Kissling
  • Patent number: 10533884
    Abstract: 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: Grant
    Filed: November 9, 2015
    Date of Patent: January 14, 2020
    Assignee: ENDRESS + HAUSER FLOWTEC AG
    Inventors: Martin Josef Anklin, Gerhard Eckert, Christian Schutze, Ennio Bitto, Christof Huber, Claude Hollinger, Alfred Rieder, Michael Kirst
  • Patent number: 10533883
    Abstract: 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: Grant
    Filed: December 7, 2015
    Date of Patent: January 14, 2020
    Assignee: ENDRESS + HAUSER FLOWTEC AG
    Inventors: Martin Arnold, Axel Pfau
  • Publication number: 20200003592
    Abstract: 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: Application
    Filed: October 11, 2017
    Publication date: January 2, 2020
    Applicant: Endress+Hauser Flowtec AG
    Inventors: Thomas Sulzer, Florent Tschambser
  • Publication number: 20190376827
    Abstract: 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: Application
    Filed: April 19, 2017
    Publication date: December 12, 2019
    Applicant: Endress+Hauser Flowtec AG
    Inventors: Stephan GABERTHÜEL, Alexander GRÜN, Hanno SCHULTHEIS, Tobias BAUR
  • Patent number: 10497350
    Abstract: 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: Grant
    Filed: March 24, 2016
    Date of Patent: December 3, 2019
    Assignee: ENDRESS + HAUSER FLOWTEC AG
    Inventors: Yaoying Lin, Alfred Rieder, Wolfgang Drahm, Michal Bezdek, Pierre Ueberschlag