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7617740 |
Coriolis mass flowmeter with optical position sensors
Coriolis mass flowmeter comprising a flow tube, at least one tube position sensor provided with a light source and with a light detector for receiving light from the light source, and drive means...
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7610795 |
Method for adjusting a mechanical natural frequency
A method serves to adjust a mechanical natural frequency of a hollow body which at least partly comprises a ductile material, in particular a pickup housing of a measurement pickup or a measurement...
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7597007 |
Split balance weights for eliminating density effect on flow
A Coriolis flow meter includes at least one flow conduit ( 103 ), including a first conduit node ( 603 a ) and a second conduit node ( 603 b ) and a bending axis W that intersects the flow conduit...
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7571062 |
Digital flowmeter
A controller for a flowmeter includes an input module operable to receive a sensor signal from a sensor connected to a vibratable flowtube. The sensor signal is related to a fluid flow through the...
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7568399 |
Microfluidic device
A microfluidic device a micromachined freestanding member adapted to sense one or more properties of a fluid flowing through the freestanding member. The freestanding member is supported by a...
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7562585 |
Vibration-type measurement transducer with improved measurement accuracy
The measurement transducer includes a transducer housing, which exhibits a plurality of natural oscillation modes, as well as at least one first flow tube held oscillatably in the transducer...
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7555397 |
Coriolis mass flow meter and method for compensation of transmission errors of its input circuit
A Coriolis mass flow meter and method for compensation of transmission errors of its input circuit, wherein a high accuracy of measurement is achievable by determining the transmission error of the...
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7546777 |
Measuring transducer of vibration-type
The measuring transducer includes at least one measuring tube communicating with a line connected during operation for conveying a medium to be measured, and a support element oscillatably holding...
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7540203 |
Device for measuring the mass rate of flow having two measuring tubes joined by a stiffened connector
A device for measuring the mass rate of flow according to the Coriolis principle, with two measurement tubes at least in one section of which runs in a common plane, and a connector by which the...
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7533580 |
Coriolis flowmeter
A Coriolis flowmeter having an improved measurement accuracy, especially in measurement applications, where conventional Coriolis flowmeter may have a reduced accuracy due to erroneous flow spiking...
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7506551 |
Coriolis flowmeter having a drive device driven in reverse phase to pair of second drive devices
A flow tube composed of a bent tube having a shape symmetrical with respect to a first axis is supported at its both ends by support portions having an outlet and inlet respectively. A drive device...
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7505854 |
Startup techniques for a digital flowmeter
Startup and operational techniques for a digital flowmeter are described. The techniques select an optimal mode of operation for the digital flowmeter, depending on a current environment of the...
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7500404 |
Mass flow meter
Strain gauges A, B for a bending portion cross each other and are stuck to a strain gauge sticking portion 7 for a bending portion located in a portion applying centrifugal force or centripetal...
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7474971 |
Method and apparatus for characterising multiphase fluid mixtures
An example method for determining at least one characteristic of a multiphase fluid includes applying alternating energy of predetermined amplitude to a portion of a multiphase fluid and measuring...
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7472606 |
Single input, multiple output flow meter
A single input, multiple output flow meter ( 200 ) is provided. The flow meter ( 200 ) includes an intake conduit ( 202 ) and a flow divider ( 203 ). The flow meter ( 200 ) further includes a first...
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7464610 |
Coriolis flowmeter having a contactless excitation device
A mass flowmeter of the Coriolis type with a tube through which a medium flows during operation and with excitation elements for causing the entire tube or part thereof to perform a rotational...
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7448283 |
Vibration-type measuring device and method for operating such a measuring device
The disclosure relates to a vibration-type measuring device for measuring at least one process variable, in particular a mass flow rate, a density, a viscosity, a pressure or the like, in...
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7441469 |
Method and apparatus for measuring flow through a conduit by measuring the Coriolis coupling between two vibration modes
A method and apparatus is disclosed that measures the flow through a conduit ( 702 ) by measuring the Coriolis coupling between two vibration modes in the conduit. The conduit is first excited at...
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7437950 |
Coriolis flow rate meter with flow tube of double loop structure
A start tube section ( 27 ) of a first bent tube ( 31 ) has a first parallel subsection ( 27 a ) substantially parallel to a start tube section ( 28 ) of a second bent tube ( 32 ) or to a...
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7437949 |
Tertiary mode vibration type Coriolis flowmeter
In order that a flow tube of a Coriolis flowmeter may be vibrated in a tertiary mode using one drive device, the drive device is arranged at an antinode in the center of tertiary mode vibration,...
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7412903 |
In-line measuring devices and method for compensation measurement errors in in-line measuring devices
An inline measuring device comprises a vibratory-type transducer and a measuring device electronics electrically coupled with the vibratory-type transducer. The vibratory-type transducer includes...
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7409873 |
Coriolis flowmeter
A first inlet portion, a second inlet portion, a first outlet portion, and a second outlet portion are fixed to a fixing member, and a connecting tube portion is provided between the first outlet...
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7406878 |
Method for measuring a medium flowing in a pipeline and measurement system therefor
For measuring a medium, the medium flows through at least one inline measuring device measuring tube joined into the course of a pipeline, especially a measuring tube which vibrates, at least at...
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7404336 |
Correcting for two-phase flow in a digital flowmeter
A flowmeter is disclosed. The flowmeter includes a vibratable conduit, and a driver connected to the conduit that is operable to impart motion to the conduit. A sensor is connected to the conduit...
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7392709 |
Inline measuring device with a vibration-type measurement pickup
An inline measuring device serves for measuring a medium, especially a gaseous and/or liquid medium, in a pipeline. It includes, a vibration-type measurement pickup and a measuring device...
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7373841 |
Coriolis mass flowmeter determining state of wear of the pipe
The invention concerns a Coriolis mass flowmeter comprising at least one conduit ( 9 ) traversed by the mass, which produces mechanical vibrations under the effect of an excitation unit ( 8 ) and...
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7363689 |
Method for producing vibration-type measuring sensor
This sensor, for a fluid and suitable for use in a pipeline at least temporarily containing the fluid flowing therethrough, has at least one curved measuring tube, which vibrates during operation...
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7353718 |
Mass flowmeter of the Coriolis type
A mass flowmeter of the Coriolis type with a tube through which a medium flows during operation and with excitation elements for causing the entire tube or part thereof to perform a rotational...
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7350422 |
Vibration-type measurement pickup for measuring media flowing in two medium-lines, and inline measuring device having such a pickup
A measurement pickup includes at least four measuring tubes for conveying media to be measured. Each measuring tube has a first in-/outlet end and a second in-/outlet end. During operation, the...
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7350421 |
Vibratory measurement transducer
The measurement transducer includes a transducer housing, which exhibits a plurality of natural oscillation modes, as well as at least one first flow tube held oscillatably in the transducer...
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7340964 |
Coriolis mass flow meter
A Coriolis mass meter with two tube sections connected by a coupling extending between connection points of the tube sections wherein the coupling extends a distance between the connection points...
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7337676 |
Device for measuring the mass rate of flow
A mass flow rate measurement device which works according to the coriolis principle, and has two measurement tubes ( 1 ) and a vibration converter. It is provided that a carrier ( 2 ) is mounted on...
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RE40095 |
Correction of coriolis flowmeter measurements due to multiphase flows
A Coriolis flowmeter is operable as a vibrating tube densitometer where a flowtube is driven to vibrate at a fundamental frequency from which density of the material flowing through the flowtube...
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7305892 |
Method for operating a mass flowmeter
A method is disclosed for operating a mass flowmeter that employs the Coriolis principle and that incorporates a measuring tube through which flows a fluid medium, which measuring tube is...
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7299699 |
Composite system, method for its manufacture, and measurement pickup using such a composite system
A composite system includes a first component, for instance of metal, and a second component extending at least partly through the first component along an imaginary longitudinal axis of the...
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7287438 |
Method and apparatus for force balancing of a Coriolis flow meter
A Coriolis flow meter comprising at least one flow conduit, a drive system coupled to the at least one flow conduit, a balance system coupled to the at least one flow conduit wherein the balance...
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7275448 |
Magnetic circuit arrangement for a sensor
A mount for electrical leads to a vibration-type sensor and/or for coils on a vibration-type sensor. The mount includes at least one resilient first arm attached to a first sensing tube of the...
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7263899 |
Device for transporting bulk material and dosing and/or mixing system provided with one such device
What is described is a device for conveying bulk goods, particularly in the form of a continuous conveyor and here in particular in the form of a chain conveyor. According to the invention, the...
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7258025 |
Coriolis flowmeter
When outputs from two vibration detection sensors are measured by a Coriolis flowmeter in a form of phase difference time, a tube must be thinned to increase a sensitivity of the flowmeter to...
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7257495 |
Flow meter filter system and method
A flow meter filter system ( 200 ) according to an embodiment of the invention includes a noise pass filter ( 203 ) configured to receive a first version of a flow meter signal and filter out the...
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7240567 |
Dynamic response characteristics of flow meters
A flowmeter includes a vibratable flowtube that has internal damping characteristics that substantially result in a desired dynamic response of the vibratable tube to a change in a flow of fluid...
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7228614 |
Method of manufacturing a gas flow meter
A gas flowmeter capable of reducing a secular change comprises a silicon semiconductor substrate formed with a cavity and a heat element formed above the cavity of the semiconductor substrate by...
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7216549 |
Vibration-type measurement transducer
A measurement transducer includes a transducer housing, which exhibits a multiplicity of natural oscillation modes and at least a first measuring tube for conveying at least a volume fraction of...
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7213469 |
Vibratory transducer for coriolis mass flowmeter or a coriolis mass flowmeter-densimeter
A transducer has at least one at least temporarily vibrating flow tube of predeterminable lumen for conducting a fluid. The flow tube communicates with a connected pipe via an inlet tube section (...
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7168329 |
Low mass Coriolis mass flowmeter having a low mass drive system
A Coriolis mass flowmeter ( 300 ) having a low mass drive system comprising a driver coil (D) for vibrating flow tube means ( 102 ). The Coriolis mass flowmeter does not use a magnet affixed to the...
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7162931 |
Apparatus for controlling temperature of an inline measuring device
The apparatus includes at least one heat exchanger secured on an inline measuring device. Temperature-control fluid flows through a heat exchanger, at least at times during operation, for the...
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7143655 |
Magnetic circuit arrangement for a transducer
The magnetic circuit arrangement, which is preferably used in a fluid-measuring transducer, comprises at least one coil which is traversed in operation by a current. It further comprises two...
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7136777 |
Coriolis mass flowmeter and method for operating a coriolis mass flowmeter
A Coriolis mass flowmeter incorporates at least one measuring tube, at least one oscillator for the excitation of the measuring tube and at least one oscillation detector for registering the...
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7136761 |
Digital flowmeter
A controller for a flowmeter includes an input module operable to receive a sensor signal from a sensor connected to a vibratable flowtube. The sensor signal is related to a fluid flow through the...
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7134348 |
Method for operating a mass flowmeter
A method for operating a Coriolis mass flowmeter incorporates a measuring tube through which flows a medium and which is stimulated into oscillating at a minimum of one frequency, the resulting...
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