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| Number | Title | Issue Date |
| 8082803 | Electromagnetic flow meter having a cut groove formed in the flange for holding the liner in position Provided is an electromagnetic flow meter configured to measure a flow rate of a measurement target fluid. The electromagnetic flow meter includes: a measurement pipe having a hollow cylindrical shape and allowing the measurement target fluid to flow inside; flanges... | 12/27/2011 |
| 8033183 | Compact magnetic inductive flowmeter device The invention relates to a compact magnetic inductive flowmeter device, comprising a measuring tube through which the medium for measuring flows, a housing within which the measuring tube is arranged, with an analysis device which analyses a flow measurement value f... | 10/11/2011 |
| 7997149 | Apparatus and method for non-invasive measurement of the sound velocity of a fluid flowing in a tubing A method and apparatus for measuring the sound velocity of a flowing fluid includes a cartridge having a hollow interior through which the fluid flows formed by first and second chambers of different diameters that define first and second walls extending toward the ... | 08/16/2011 |
| 7934431 | Measuring transducer of a flow measuring device applied in industrial measurements technology A measuring transducer of a flow measuring device for measuring the flow of a medium through an existing pipeline system, wherein, in a cost-favorable manner, an equalization of potential between medium and measuring transducer is effected. The measuring transducer ... | 05/03/2011 |
| 7930945 | Method for measuring the flow velocity of a medium while applying a magnetic field to the measurement volume put through A method is provided for measuring the mean flow velocity of an electrically conductive medium while applying a magnetic field to the measurement volume put through and decoupling an electric signal induced in the measurement volume. The fluctuating part of the elec... | 04/26/2011 |
| 7921732 | Method and an apparatus for operating an electromagnetic valve associated to a gas meter An apparatus for operating an electromagnetic valve, associated to a gas meter, and operated to stop, or allow, a flow of gas through the meter (1) includes: an electronic consumption measuring device (4), which generates in output electric signals rep... | 04/12/2011 |
| 7895902 | Electromagnetic flow meter including circumferential grooves on an inner surface of a measurement pipe for fixing a liner An electromagnetic flow meter has a pipe body 16 in which a measurement target fluid flows. The pipe body 16 includes: a measurement pipe 1 having a groove 3 whose cross-section is any of a semicircular shape, a rectangular shape, and a t... | 03/01/2011 |
| 7661323 | Method for determining working point of a magneto-inductive flow measuring device A method for determining the working point of a magneto-inductive flow measuring device for detecting volume- or mass-flow of a medium flowing through a pipeline or measuring tube, wherein an alternating magnetic field produced by a coil arrangement is caused to pas... | 02/16/2010 |
| 7421907 | Electromagnetic flowmeter including a feedback voltage distributed to the inner conductor of the shielded cable and the input circuit An electromagnetic flowmeter includes: a detector for detecting a flow rate voltage; a shielded cable having an inner conductor provided around a cable core to which the flow rate voltage is applied from the detector; and a converter for receiving the flow rate volt... | 09/09/2008 |
| 7310582 | Electromagnetic flow meter with reduced power consumption and reduced exciting current An electromagnetic flow meter of a switching control system in which a DC voltage is applied to an exciting coil via switching elements, a direction of an exciting current flowing through the exciting coil is switched over at a predetermined excitation timing, and t... | 12/18/2007 |
| 7302844 | Measurement element for determining a flow rate The flow rate of a fluid flowing around a measuring element is measured using a guide for guiding an electromagnetic wave along the longitudinal extension thereof and at least one electric heating element that is placed adjacent to the guide. The guide can be heated... | 12/04/2007 |
| 7302282 | Communications system for implementation of synchronous, multichannel, galvanically isolated instrumentation devices An apparatus and method for synchronous communications using a serial data stream employs a housing with a controller and a back plane. The housing accepts one or more modules for interconnection with the back plane. The back plane distributes power to the modules a... | 11/27/2007 |
| 7265544 | Method and device for detecting physical-chemical states on measuring electrodes of a flowmeter A method and device for obtaining an interference free measurement from a flowmeter. The flowmeter includes a measuring tube through which a flowable medium flows through a magnetic field generated by a magnetic arrangement and at least two measuring electrodes for ... | 09/04/2007 |
| 7228748 | Electromagnetic flow meter insert An insert for an electromagnetic flow meter is disclosed. The insert is arranged to be positioned within a flow conduit having a flow conduit cross-section to define a flow path for fluid, wherein the insert comprises an inlet, a measuring section with a measuring c... | 06/12/2007 |
| 7178407 | Magnetic-inductive flow sensor and method for its manufacture A flow sensor includes a measuring tube, made of essentially non-ferromagnetic material, for guiding the fluid, a magnetic circuit arrangement arranged on the measuring tube for producing and guiding a magnetic field, which induces in the flowing fluid an electric f... | 02/20/2007 |
| 7130780 | Method and instrument for electronically recording and imaging fluid washover via measuring characteristics of the fluid at multiple locations simultaneously An array of electrically isolated electrode pairs in combination with a specially configured processor, e.g., a personal computer, is employed to obtain a continuous real-time acquisition, processing, mapping and visualization of fluid washover. In a specific applic... | 10/31/2006 |
| 7126343 | Conductivity probe with toroid keeper An apparatus and associated process for constructing a conductivity probe are disclosed. The conductivity probe includes at least two magnetic circuits in toroidal shape. Each of these “toroids” includes a ferrite core around which is wrapped a conductive wire (... | 10/24/2006 |
| 7112960 | Eddy current system for in-situ profile measurement An eddy current monitoring system may include an elongated core. One or more coils may be coupled with the elongated core for producing an oscillating magnetic field that may couple with one or more conductive regions on a wafer. The core may be translated relative ... | 09/26/2006 |
| 7104137 | Magnetostrictive fluid-pressure sensor A magnetostrictive fluid-pressure sensor includes annular inner and outer cylinders, a first connector, annular second and third connectors, and first and second coils. The inner cylinder surrounds a fluid-receiving bore. At least one of the cylinders is a magnetost... | 09/12/2006 |
| 7079958 | Method for operating a process-measuring device The process measuring device includes a flow sensor having a measuring tube, a sensor arrangement for producing a measurement signal, and an evaluation and operating circuit. The method serves to compensate for the effects of interfering potentials which are caused ... | 07/18/2006 |
| 7078909 | Flow-through conductivity sensor An improved flow-through conductivity sensor is provided. The sensor includes a current return path that has a current return conductor. At least one toroid of the sensor is removed from the flow path and configured to interact with the current return conductor to p... | 07/18/2006 |
| 7026812 | Magnetic sensor A magnetic sensor includes a magnetic sensitive member 11 including an amorphous wire, a detection coil 12 wound around the magnetic sensitive member 11, and a sample-and-hold circuit for detecting a voltage induced in the amorphous wire 11 | 04/11/2006 |
| 6997062 | Pipeline including network and topology for identifying, locating and quantifying physical phenomena A method and system for detecting, locating and quantifying a physical phenomena such as strain or a deformation in a structure. A plurality of laterally adjacent conductors may each include a plurality of segments. Each segment is constructed to exhibit a unit valu... | 02/14/2006 |
| 6990726 | Method of manufacturing an electromagnetic flow sensor A method of manufacturing a measuring tube for an electromagnetic flow sensor includes the steps of filling a material to be sintered into a lumen of a support tube, sintering the material within the lumen to obtain an open-pored reinforcing body of the measuring tu... | 01/31/2006 |
| 6971271 | Fluid flow measuring device and method of manufacturing thereof In a borehole logging tool, the flow of conductive fluid into or out of a wellbore at the wellbore wall is detected and measured with a sensor loop proximate the borehole inner wall. The sensor loop includes a series of contiguous sensors that act as electromagnetic... | 12/06/2005 |
| 6926821 | Water treatment device with volumetric and time monitoring features A totalization meter system for a water treatment device, the device having an inlet aperture and an outlet aperture, and a channel for channeling water between the inlet and outlet apertures. A flow reactive device is positioned in the channel and is exposed to the... | 08/09/2005 |
| 6877386 | Insert for a measuring tube of an inductive flowmeter An insert for a measuring tube of an inductive flowmeter is disclosed, having a middle section and two end sections, in which at least one end section is of resilient construction and the middle section is of rigid construction. A flange constituting an earthing ele... | 04/12/2005 |
| 6697742 | Method and apparatus for testing electromagnetic flowmeters An electromagnetic flowmeter is tested and calibrated in situ by measuring the impedance of the drive coil, and the isolation to ground impedance of the coil and of the flowmeter sensor electrodes. Testing is effected by portable field equipment or by a b... | 02/24/2004 |
| 6658720 | Method of manufacturing an electromagnetic flow sensor A method of manufacturing an electromagnetic flow sensor having a measuring tube with an insulating liner having a reinforcing body embedded therein includes the steps of producing the liner in situ in a support tube, and forming a sintering space in the ... | 12/09/2003 |
| 6615149 | Spectral diagnostics in a magnetic flow meter A magnetic flow transmitter provides a coil driver output at a selected fundamental to a coil on a flow tube carrying a flow of a liquid. An amplifier amplifies an electrode signal from the flow tube and an A/D converter converts the amplified electrode s... | 09/02/2003 |
| 6611770 | Liquid conduction indication in a magnetic flowmeter A magnetic flowmeter with an improved liquid conduction indication has a flowtube assembly with a passage for liquid flow and has an electromagnet mounted outside the passage that provides ramped magnetic excitation. An electrode circuit couples through t... | 08/26/2003 |
| 6598487 | Magnetic flowmeter having a separable magnet/electrode assembly Apparatus for measuring the rate of flow of a fluid in a conduit includes a receptor assembly arranged on the external surface of the conduit, and a removable external connector assembly including an electromagnet for establishing a magnetic field that ex... | 07/29/2003 |
| 6595069 | Electromagnetic flow sensor including insulating material and embedded reinforcing body An electromagnetic flow sensor for a fluid flowing through a pipe comprises a measuring tube which can be inserted into a pipe. The measuring tube comprises a support tube as an outer covering of the measuring tube, a tubular liner of insulating material,... | 07/22/2003 |
| 6584859 | Magnetically inductive flowmeter for flowing media A magnetically inductive flowmeter for flowing media, with a measuring tube, with a magnet for generating a magnetic field passing essentially perpendicular to the axis of the measuring tube and to the direction of the magnetic field, with at least two me... | 07/01/2003 |
| 6505517 | High accuracy signal processing for magnetic flowmeter A magnetic flowmeter for measuring flow of a conductive fluid includes a flow tube assembly adapted to receive a fluid flow and a coil configured to apply a magnetic field in the fluid flow through the flow tube. An EMF sensor coupled to the flow tube pro... | 01/14/2003 |
| 6453755 | Magneto-inductive flow-measuring method A magneto-inductive flow-measuring method for moving fluids, whereby the field coils generating the magnetic field are energized in gapped fashion and each measuring period includes a positive half-cycle of the magnetic field and a negative half-cycle of ... | 09/24/2002 |
| 6453756 | Magneto-inductive flowmeter A magneto-inductive flowmeter for measuring the flow rate of fluids, incorporates a measuring tube, two magnetic poles externally contacting the measuring tube, and two interconnected return plates. Each magnetic pole includes a field coil and a supportin... | 09/24/2002 |
| 6453754 | Magnetoinductive flowmeter for moving fluids A magnetoinductive flowmeter for moving fluids incorporates a measuring tube; an electromagnet including a field coil and serving to generate a magnetic field that extends at least essentially perpendicular to the axis of the measuring tube; a power suppl... | 09/24/2002 |
| 6446512 | Method of determining the type of fluid flow probe inserted into a flow meter An inline electromagnetic flow probe, and its corresponding flow transducer, incorporate mutually compatible features that permit a single transducer to identify which of a plurality of types of flow probes has been inserted into the transducer.... | 09/10/2002 |
| 6404344 | Method of compensating for erroneous reading in a mass flow meter A method of correcting reading of a non-contact solids flow meter measuring solid particulate flow where the solid particulate product enters the flow tube at one end and flows past a sensor and then exits the flow tube. The sensor for the flow meter is v... | 06/11/2002 |
