Endress + Hauser Flowtec Ag

Frank Voigt

Werner Wohlgemuth

Steffen Ziegler

Günther Bähr

Stefan Pflüger

Thomas Küng

Heinz Rufer

Fred Kappertz

Diego Uerlings

Daniel Wild

Thomas Zingg

Roland Huber

Gunther Bähr

Alexander Crnovic

The present disclosure relates to a measuring tube for conducting a flowable medium in a longitudinal direction, which includes: a measuring tube body designed to be electrically insulating, the measuring tube body including an integrally designed holder and a mounting surface for installing the measuring tube in a receiving unit in a mechanically detachable manner in a position defined by the mounting surface; at least two measuring electrodes positioned diametrically in the measuring tube body to form a galvanic contact with the medium; and at least one pole shoe formed from a single sheet metal part or from a plurality of sheet metal parts stacked in particular in the longitudinal direction of the pole shoe and connected to one another, the pole shoe being located in the holder. The present disclosure also relates to a receiving unit and a magnetic-inductive flow meter.

Measuring tube, receiving unit, and magnetic-inductive flow meter

A magnetic-inductive flow meter for determining a flow velocity-dependent measurement variable induced in a flowable medium is provided, said flow meter comprising: a measuring tube for conducting the flowable medium in a flow direction, the measuring tube comprising a carrier body, the measuring tube comprising an inlet region in which the carrier body has a first recess located on an inner side of the carrier body, the first recess extending continuously in the flow direction, the measuring tube comprising a support body for stabilizing a liner, the support body being located between the carrier body and the liner, the support body extending into the first recess and thus being interlockingly connected to the carrier body; a device located on the measuring tube for generating a magnetic field that penetrates the measuring tube; and —two measuring electrodes for tapping a measuring voltage induced in the flowable medium.

Magnetic-inductive flow meter

A magnetic-inductive flowmeter includes: a housing having first and second housing parts connected via a guide element, which is configured to enable a distance between the first and second housing parts to be linearly adjustable; an exchangeable measurement tube for guiding a flowable medium; two measurement electrodes mounted in the measurement tube; a magnetic field-generating device for generating a magnetic field permeating the measurement tube; and at least two connection contacts, each electrically connected to a measurement circuit, wherein the measurement tube is reversibly interlockingly and/or frictionally arranged between the first housing part and the second housing part of the housing.

Magnetic-inductive flowmeter

A magnetically inductive flowmeter for determining flow velocity and/or volume flow of a medium includes a measuring tube for conveying the medium, a magnetic field generating device and at least one electrode assembly, which is installed in the measuring tube in such a manner that it forms a galvanic contact with the medium, wherein the electrode assembly has an electrode body, wherein the electrode body is stylus shaped and has a front end surface, wherein a pressure measuring transducer is coupled with the electrode body, and wherein the pressure measuring transducer is contactable with the pressure acting on the front end surface.

Magnetically inductive flowmeter having electrode with pressure measuring transducer

The present disclosure relates to a measuring assembly comprising: a metallic measuring tube open on both sides for carrying a medium, wherein the measuring tube has an outer circumferential surface, an inner circumferential surface, and at least two apertures, wherein the two apertures extend from the outer circumferential surface to the inner circumferential surface; a dielectric cladding layer, which rests on the inner circumferential surface of the measuring tube; a first microwave antenna, which is arranged in the measuring tube and with which contact can be made through the first aperture; a second microwave antenna which is arranged in the measuring tube and with which contact can be made through the second aperture; wherein the dielectric cladding layer forms a dielectric waveguide, via which microwaves can, at least to some extent, reach from the first microwave antenna to the second microwave antenna.

Measuring assembly for the analysis of a flowing medium by means of microwaves

A magnetic-inductive flowmeter for ascertaining flow velocity and/or volume flow of a medium includes a measuring tube for conveying the medium, a magnetic field producing apparatus and at least one electrode assembly, which is installed in the measuring tube such that it forms a galvanic contact with the medium, wherein the electrode assembly has an electrode body, wherein the electrode body is stylus-shaped and has a front end surface, characterized in that a pressure measuring transducer is coupled with the electrode body, wherein the pressure measuring transducer is contactable with the pressure acting on the front end surface, and the electrode assembly includes a temperature sensor, which is adapted to ascertain a measurement signal dependent on temperature of the medium.

Magnetic-inductive flowmeter having electrode including a pressure sensor and a temperature sensor

The present disclosure relates to a housing for a flow measuring device and a flow measuring device. The housing includes a housing body having a housing wall and a housing chamber, where the housing wall has a first wall element and a second wall element. The first wall element and the second wall element enclose the housing chamber, and the housing chamber is configured to receive a measuring tube. The housing wall has first and second openings configured to support the measuring tube at first and second measuring tube ends. The first wall element has a first leaf and a second leaf, and the second wall element has a third leaf and a fourth leaf, where the first leaf and the second leaf and also the third leaf and the fourth leaf engage flush in one another.

Housing for a flow measuring device, and a flow measuring device having such a housing

The present disclosure relates to a method for measuring flow velocity or volume flow of a medium using a magneto inductive flow measuring device and to an arrangement having a magneto inductive flow measuring device, as well as to a filling plant with an arrangement, wherein the medium has a low conductivity. A high accuracy of measurement is achieved by provision of a first narrowing of a medium-containing pipeline and/or a second narrowing of a medium-containing measuring tube, wherein the pipeline leads the medium to a measuring tube of the flow measuring device.

Magnetic-inductive flowmeter and method for measuring the flow velocity of low conductivity media with a narrowing measuring tube and a field guide-back device

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.

Magneto-inductive flow measuring device having a support tube with structure to prevent rotary movement of the liner

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.

Measuring tube for a magneto-inductive flow measuring device and magneto-inductive flow measuring device

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.

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.

Magneto-inductive flow measuring device having cable strands extending in grooves on the core body within a coil component

A fill level monitoring system comprising at least one electrode for monitoring the fill level of a medium flowing in a pipe or tube, wherein the electrode has an integrated temperature sensor, wherein the fill level monitoring system further comprises an evaluation unit, which is embodied for monitoring the degree of filling of the pipe or tube and transmits a warning signal when the degree of filling subceeds a limit value, preferably a degree of filling of less than 80% of the tube diameter; and a flow measuring device having this fill level monitoring system.

Fill level monitoring system and flow measuring device

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.

Growing community of inventors

Weil am Rhein, Germany

Frank Voigt