Endress + Hauser Flowtec Ag

Marc Werner

Alfred Rieder

Benjamin Schwenter

Martin Stucki

Gebhard Gschwend

Ennio Bitto

Hao Zhu

Claude Hollinger

Christian Schütze

Natalie Schlachter

Christof Huber

Gerhard Eckert

Robert Lalla

Martin Josef Anklin

Vivek Kumar

Severin Ramseyer

Mattia Alioli

Dieter Mundschin

Johan Pohl

Markus Schütz

Samuel Neeser

Ruben Kiefer

The present disclosure relates to a modular measuring device including: a measuring tube module, wherein the measuring tube module includes a fixing body arrangement; an oscillation exciter; at least one oscillation sensor; and a support module including a seat, wherein the measuring tube module is arrangeable in the seat of the support module, wherein the support module includes a fixing apparatus, wherein the fixing apparatus includes an at least sectionally eccentrically embodied shaft, wherein the fixing apparatus, especially the shaft, is adapted to clamp the measuring tube module via the fixing body arrangement in the seat and to connect the measuring tube module mechanically releasably with the support module.

Modular measuring device

A modular Coriolis flowmeter includes: a measuring tube module, including a measuring tube for guiding the medium, an excitation magnet on a vibration exciter for exciting the measuring tube, and a sensor magnet on a vibration sensor for detecting a vibration of the measuring tube; a receiving module including a receptacle for receiving the measuring tube module, an excitation coil on the vibration exciter, a sensor coil on the vibration sensor, and a receiving module body, including a ferromagnetic material and an opening, wherein a coil holder for the excitation coil and/or sensor coil is disposed in the opening, the coil holder including a coil holder body including an electrically insulating material.

Modular Coriolis flowmeter

The present disclosure relates to a Coriolis measuring transmitter of a Coriolis measuring device for measuring a mass flow or a density of a medium flowing through a pipe, which includes: at least one pair of measuring tubes arranged to oscillate relative to each other, wherein each measuring tube includes a centrally arranged bend, at least one driver and at least two vibration sensors; two guiding devices, each including a fluid chamber with a first opening for connection with the pipe and second openings for each measuring tube for connection with the measuring tubes, wherein the guiding devices are each formed from multiple parts, for example, formed from two parts, wherein a first part forms a pipe connecting part, and wherein at least one second part forms a measuring tube connecting part.

Coriolis measuring transmitter and Coriolis measuring device

A flow divider comprises a lumen having perpendicular, symmetry planes intersecting in an axis of inertia connecting the ends. Cross sectional area have radii extending from a geometric center of gravity to the wall and lying at an angle φ (−180°≤φ≤180°) to a reference axis and being perpendicular to its axis of inertia, wherein each radius lying at an angle φ=0° to the relevant reference axis points away from the symmetry plane, and fulfills a formula f(φ, P) associated with its cross sectional area and defined by a coefficients set P(P=[abmmnnn]) corresponding to the flow divider opening: in such a manner that the radii R(φ) of a cross sectional area of the lumen fulfills a formula f(φ, P) defined by a coefficients set P=[abmmnnn], with a=(0.95 . . . 1), b=(0.45 . . . 0.7), m=4, m=4, n=3.0, n=nand n=(3 . . . 4).

Flow divider and fluid line system formed by same

The present disclosure relates to a method of producing a coil device of an oscillation sensor or oscillation exciter of a measuring transducer or an instrument for measuring a density or a mass flow of a medium flowing through at least one measuring tube of the measuring transducer or instrument, to a coil device, to a measuring transducer, and to an instrument, wherein in a first method step a first end of an electrical connection line of the coil device is surrounded in a depression of a circuit board of the coil device with a metal microparticle paste, wherein in a second method step the metal microparticle paste is dried, wherein the drying process results in a hardening of the metal microparticle paste, so that a metal microparticle mass remains.

Method of producing a coil device, coil device, measuring transducer with coil device, instrument having a measuring transducer

The present disclosure relates to a coil apparatus of an oscillation sensor or exciter of a measuring transducer or a measuring instrument for measuring a density or a mass flow of a medium flowing through a measuring tube, comprising: a circuit board, at least one coil adapted for registering or producing a time varying magnetic field, wherein the at least one coil has a first coil end and a second coil end, wherein the coil apparatus has four contacting elements, wherein the circuit board has a cutting plane extending perpendicularly to the faces, wherein the cutting plane divides the faces into a first side and a second side, wherein one contacting element of a pair of contacting elements is arranged on the first side, and wherein one contacting element of a pair of contacting elements is arranged on the second side.

Coil apparatus of an oscillation sensor or of an oscillation exciter, measuring transducer and measuring instrument

The invention relates to a coil apparatus of an oscillation sensor or exciter of a measuring transducer or a measuring device for measuring a density or mass flow of a medium flowing through a measuring tube of the measuring transducer or measuring device, comprising: a circuit board having a circuit board layer, at least one coil registering or producing a time varying magnetic field, wherein the coil has a winding region and a central region lacking turns of a winding, wherein the central region of a coil has a rectangular shape with oppositely lying, first sides and with oppositely lying, second sides, wherein the first sides have a first side length, and wherein the second sides have a second side length, wherein the electrically conductive trace has a trace breadth of at least 30 micrometer, wherein a ratio of first side length to second side length is greater than 3.25.

Coil apparatus of an oscillation sensor of a measuring transducer, measuring transducer of a measuring device and measuring device

The present disclosure relates to a measuring transducer of a measurement device for registering a mass flow or a density of a medium The measuring transducer includes a measuring tube, at least one exciter adapted to excite the measuring tube to execute oscillations, and two sensors adapted to register deflection of oscillations of the measuring tube. The exciter and the sensors each have a coil device including a circuit board with a first coefficient of thermal expansion. The coil device of the sensors or exciter are/is secured using a holder apparatus adapted to clamp the circuit board, wherein the circuit board is mechanically contacted by the holder apparatus using at least one holder element, wherein the holder element has a second coefficient of thermal expansion, wherein the first coefficient of thermal expansion and the second coefficient of thermal expansion differ from one another by less than 3*10/Kelvin.

Measuring transducer and measurement device

The invention relates to a Coriolis measuring transducer of a Coriolis measuring device comprising: at least one measuring tube; at least one exciter; at least two sensors; wherein at least one exciter or at least one sensor has a coil device and a magnet device, wherein the magnet device has a holder and at least a first magnet group and at least a second magnet group, wherein the holder has a body with a body length axis and a first end and a second end wherein the first end has an end surface, wherein the body has three recesses, wherein a central recess is separated, in each case, from an outer recess by, in each case, an intermediate wall, wherein each intermediate wall has an opening, and wherein the first magnet group is arranged in a first opening, and wherein the second magnet group is arranged in a second opening.

Coriolis measuring transducer and coriolis measuring device

Disclosed is a measuring sensor of a measuring device for detecting a mass flow rate. The measuring sensor comprises a measuring tube, a vibration exciter, and at least two vibration sensors. The vibration exciter and the vibration sensors each have a coil apparatus having at least one coil and at least one magnetic apparatus. The coil apparatus comprises a printed circuit board having at least one printed circuit board layer, wherein the coil is formed by means of an electrically conductive conductor track, wherein the coil is arranged on the first side and/or second side of a printed circuit board layer, wherein the printed circuit board comprises at least two contact-making elements for connecting the coil to an electronic measuring and/or operating circuit of the measuring device by means of connection elements, and is characterized in that at least one contact-making element has a hole.

Field device of process measurement technology, measuring sensor and method for producing a coil apparatus

The invention relates to a Coriolis measuring sensor for detecting a mass flow rate or a density of a medium flowing through a measurement tube of the Coriolis measuring instrument. The measurement tube has an inlet and an outlet designed to convey the medium between the inlet and the outlet; an exciter; and two sensors; the measuring sensor comprising a supporting element having a chamber designed to house the measurement tube at least in portions. The magnet device comprises a magnetically conductive holder for magnets and a first pair of magnets arranged on the holder on a first face of the coil device, with the magnets designed to cause a magnetic field perpendicularly to a cross-sectional plane of the coil, and the magnetic field of a first magnet of the pair is oriented so as to be opposite to the magnetic field of a second magnet of the pair.

Coriolis measuring sensor of a Coriolis measuring instrument and a Coriolis measuring instrument

The coil comprises a coil carrier, a coil wire at least partially surrounded by an insulating layer and wound around the coil carrier, as well as a protective cover layer at least partially covering the coil wire wound around the coil carrier. The coil wire is composed, at least partially, of silver, the insulating layer surrounding the coil wire is composed, at least partially, of a ceramic material, and the protective cover layer is composed, at least partially, of a ceramic material and/or a glass.

Coil and transformer having such a coil

A fluid line system comprises fluid lines (). Each of the two fluid lines () has in each case one lumen (*) which is enclosed by a wall, and extends from a flow opening (), located in a respective first line end (+), of the respective fluid line both to a flow opening () which is located in a line end (#) of said fluid line () and also as far as a flow opening () which, spaced apart from said flow opening (), is likewise located in each case in the line end (#) of said fluid line (). Each of the other two fluid lines () in turn has a lumen (*) which is enclosed by a wall and extends from a flow opening () which is located in a line end (+) of the respective fluid line () as far as a flow opening () which is located in a line end (#) of said fluid line (), in such a way that a greatest flow section (A; A) of the respective fluid line () is spaced apart both from its line end (+) and from its line end (#). Both the fluid line () and the fluid line () are connected by way of their line end (+) in each case to the line end (#) of the fluid line () and by way of their line end (#) in each case to the line end (#) of the fluid line (). The flow openings () form in each case one inlet-side and outlet-side flow cross section (A, A; A; A) of the respective fluid line (). In addition, the fluid lines () are configured in such a way that an outlet-side flow cross section (A; A) of the fluid line () which is located at the line end (#) of the fluid line () and adjoins both the flow opening () and the flow opening () of said fluid line () and flow cross sections (A; A; A; A) overall fulfil the conditions: (I) and (II), and (III) and (IV).

Fluid line system

A mass flow sensor includes: a vibratory measurement tube bent in a tube plane; a vibration exciter for exciting bending vibrations in a bending vibration use-mode; two vibration sensors for sensing vibrations; a support system having a support plate, bearing bodies on the inlet and sides; and a sensor housing, wherein: the support system has support system vibration modes which include elastic deformations of the support plate; the measurement tube is connected fixedly to the support plate by the bearing body on the inlet side and by the bearing body on the outlet side; and the support plate has a number of spring-loaded bearings exposed through cut-outs in the support plate by which the support plate is mounted on the sensor housing with degrees of vibrational freedom, the natural frequencies of which are lower than a use-mode natural frequency of the bending vibration use-mode.

Growing community of inventors

Grenzach-Wyhlen, Germany

Marc Werner