G01F1/586

MAGNETICALLY INDUCTIVE FLOW METER

A magnetically inductive flow measuring probe comprises a housing that is adapted to be exposed to the medium; two measuring electrodes arranged in a housing end section for forming a galvanic contact with the medium and for sensing a voltage induced in the flowing medium; and a means for producing a magnetic field passing through the housing end section. The means includes a coil arrangement and a field guide body. The field guide body comprises two field guide body legs connected with a coil core, extending to a front section of the housing and adapted to serve as field guideback. Orthogonal projections of the measuring electrodes and the field guide body onto a cross sectional plane are disjoint.

MICROMETER AND A SYSTEM FOR WATER-FLOW MONITORING
20230003563 · 2023-01-05 ·

A system for water-flow monitoring comprising at least one micrometer, a gateway and a server, wherein the micrometer comprising: a housing, an inner tubular member, a rotating member, a sensing module, a transmission module, a power unit, a memory, and a processor, and wherein the tubular member is located inside the housing, and have an in and out connecting means and wherein the connecting means is connected to a distributing conduit on one side and associated with a water-flow outlet on the other side, and wherein the rotating member is designed to rotate upon the flow of water through said tubular member, and the sensing module is sensing the amount of water flow through the micrometer to said water-flow outlet, with accordance to the rotation of said rotating member, and wherein the micrometer is designed to have a hibernation mode, said hibernation mode starts according to a predefined condition and is terminated upon the sensing of water flow.

MEASURING TUBE, RECEIVING UNIT, AND MAGNETIC-INDUCTIVE FLOW METER
20230013776 · 2023-01-19 ·

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.

MAGNETICALLY-INDUCTIVE FLOW METER
20220397435 · 2022-12-15 ·

The disclosure relates to a magnetically inductive flow meter for insertion into a pipeline and for determining a flow-rate-dependent measurement variable induced in the medium, comprising: a housing, a front body being arranged on an end face of the housing, which front body seals the end face of the housing; a measurement electrode arrangement for forming galvanic contact with the medium and for tapping an induced voltage in the flowing medium; a field system for generating a magnetic field that passes through the end face of the housing, the field system being arranged in the housing, the field system comprising a coil arrangement, the coil arrangement comprising a coil arrangement carrier for winding a coil wire, and the coil arrangement carrier and the front body being monolithic.

Electromagnetic measuring device for detection or control device for liquid conducting appliances

An electromagnetic measuring device includes a hydraulic body defining a duct for a flow of a liquid, and a flow sensor on the hydraulic body that includes an electromagnetic arrangement for generating an electromagnetic field through the duct in a direction transverse to the flow of the liquid, and detection arrangement including two electrical detection elements for detecting a potential difference induced by the flow of the liquid through the electromagnetic field. The detection elements are associated to one and the same face of a substrate, which extends on the outside of the duct in a position corresponding to a first side of the duct. The first side of the duct has two through openings, each of which is in a position corresponding to a respective electrical detection element.

Electromagnetic flowmeter having concentric coils

The present invention relates to an electromagnetic flowmeter. The present invention provides an electromagnetic flowmeter for measuring flow of fluid flowing in a conduit of the electromagnetic flowmeter, wherein the electromagnetic flowmeter comprises: a pair of electrodes mounted on the conduit for measuring potential difference generated by the interaction of electromagnetic field in the fluid to determine the flow of fluid in the electromagnetic flowmeter; a processing unit, wherein the processing unit acquires signals from the pair of electrodes and processes the signal for measurement, a set of coils comprising at least two coils mounted on a surface of the conduit and excited by an excitation unit for generating an electromagnetic field, wherein a first coil from the set of coils is concentrically positioned with a second coil from the set of coil, and the second coil is placed within the enclosed surface area of the first coil.

Magnetic-inductive flowmeter and magnetic circuit device

A magnetic-inductive flowmeter with a measuring tube for guiding an electrically conductive medium, a magnetic circuit device running outside the measuring tube for generating and guiding a magnetic field through the measuring tube, and two electrodes for tapping a measuring voltage induced in the medium. The magnetic circuit device has at least a first coil for generating the magnetic field and first and second pole piece plates, the magnetic field being formed between the pole piece plates, wherein the measuring tube is arranged between the two pole piece plates and wherein the electrodes are arranged on opposite sides of the measuring tube, an imaginary connecting line between the two electrodes running perpendicular to the direction of flow and perpendicular to the direction of the magnetic field. The magnetic field is fed into the pole piece plates by at least two feed-in regions per pole piece plate.

Magnetically inductive flowmeter including a coil system having means for field guide-back

A magnetically inductive flowmeter includes a measuring tube having a tube axis and a tube wall; a magnet system for producing a magnetic field that extends perpendicularly to the tube axis; at least one pair of measuring electrodes for sensing an electrical voltage induced in the medium by the magnetic field; and an electronic measuring/operating circuit for operating the magnet system and the measuring electrodes. The magnet system includes a coil system having a coil having a coil core and further includes two pole shoes. The coil system includes a field guide-back, wherein a tangential fraction of the magnetic field in the coil relative to the measuring tube axis amounts to at least 90% of the total magnetic field. The field guide-back has a guide-back part that extends through the coil and forms the coil core of the coil.

NON-INVASIVE LIQUID METAL FLOW MEASUREMENT IN LIQUID METAL FUEL ASSEMBLIES, REACTOR COOLANT PUMPS, AND TEST CARTRIDGES

A non-invasive eddy current flow meter embedded into a coolant channel for measuring the coolant flow velocity of liquid metal coolant in a nuclear reactor. The eddy current flow meter measures the coolant flow velocity in pool-type nuclear reactors and narrow coolant channels without creating bottlenecks that impede the coolant flow within the nuclear reactors.

MAGNETO-INDUCTIVE FLOW MEASUREMENT DEVICE

A magneto-inductive flow measurement device, comprises a means for producing a magnetic field with a self-inductance, wherein the means for producing the magnetic field comprises a coil arrangement; a means for sensing a measurement voltage induced in the flowable medium; an operating circuit, which is adapted to apply an operating signal on the coil arrangement, wherein the operating signal has operating signal parameters; a measuring circuit, which is adapted to determine a coil electrical current of the coil arrangement; a control circuit, which is adapted so to control at least one of the operating signal parameters that a function dependent on a self-induction value of the self-induction and a coil electrical current value of the coil electrical current does not differ from a predetermined, first desired value.