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7451663 |
Wear-resistant flow meter tube
A flow meter tube is provided having improved performance in the measurement of the flow rate of erosive material. The internal wall surface of the flow meter tube has a smooth erosion-resistant...
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7451662 |
Vibration type measurement transducer
The measurement transducer includes: At least one interconnected system ( 1, 2 ) formed by means of at least two components ( 1, 2 ), especially components ( 1, 2 ) of metal. At least the first...
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7451537 |
Method for fabricating a microscale anemometer
Method for fabricating a microscale anemometer on a substrate. A sacrificial layer is formed on the substrate, and a metal thin film is patterned to form a sensing element. At least one support for...
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7448282 |
Device for determining and/or monitoring volume and/or mass flow of a medium
A device for determining and/or monitoring volume and/or mass flow rate of a medium that flows in a direction of flow through a pipeline/measuring tube of inner diameter. The device comprises at...
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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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7448281 |
Magnetic induction flowmeter having a metal measuring tube
A magnetic induction flowmeter having a metal measuring tube ( 1 ), which can be inserted into a pipeline system via flanged sections ( 2 a , 2 b ) at the ends, having at least two mutually...
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7444885 |
Vortex flow measuring instrument
The vortex flow meter provides a surface which is simple but nevertheless resistant to the substances to be measured. All parts of the measurement tube of the vortex flow meter which come in...
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7444886 |
Floating body flowmeter
A floating body flowmeter having a measuring tube ( 1 ) which is positioned vertically and through which a substance ( 2 ) to be measured flows, in which tube a floating body ( 3 ) is arranged in...
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7447599 |
Method and system for generating an uncertainty value
A method and system for generating an uncertainty value. At least some of the illustrative embodiments are systems comprising a device in fluid communication with a conduit, and a flow computer...
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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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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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7437944 |
Method and apparatus for pressure and mix ratio control
The present invention provides apparatus and method for controlling mix ratio of gas supplied to a processing chamber integrated with chamber pressure. In one embodiment, an integrated controller...
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7437952 |
Shrouded body flow meter assembly
A shrouded body flow meter assembly includes an inner fluid-conducting conduit disposed in a spaced relation from and within an outer conduit. The shrouded flow meter assembly can be connected to...
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7440873 |
Apparatus and method of processing data to improve the performance of a flow monitoring system
An apparatus and method of processing flow meter data to filter out signal noise is provided. The method includes defining the flow meter data as a k-ω plane, wherein the k-ω plane includes a...
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7437945 |
Magnetic flow probe
Problems of instability and non-linearity in probe-type magnetic flow meters are ameliorated by either or both of a conductor coating connecting a tip portion of the probe with a supporting probe...
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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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7437947 |
Acoustic method for measuring flow velocity of fluid
An acoustic method for measuring flow velocity of fluid is provided. First, a sound wave is emitted from a transduction surface of a transducer to a fluid. The transduction surface has at least two...
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7437951 |
Method of using a differential pressure type flowmeter
A flowmeter is provided that comprises a leadframe assembly ( 140 ) and a body ( 144 ) disposed at least partially around the leadframe assembly ( 140 ). The body ( 144 ) has a flow passage...
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7437948 |
Ultrasonic flowmeter and ultrasonic flow rate measurement method
A flowmeter includes: a transit time method unit having a sensor and a reception signal amplification control unit and a flow rate calculation unit which are connected to the sensor via a sensor...
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7434479 |
Method and an arrangement for the flow monitoring of multiphase mixtures
An arrangement ( 10 ) for the determination of the mass flow and of the gas/liquid ratio in a multiphase mixture during conveying includes—in the conveying direction ( 9 )—a first venturi...
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7434477 |
Methods and apparatus for pressure compensation in a mass flow controller
Performance of mass flow controller may be vulnerable to pressure transients in a flow path to which the controller is coupled for the purpose of controlling the fluid flow. A system and method are...
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7434478 |
Electromagnetic flowmeter for applying a magnetic field and a plurality of frequency components to a fluid
An electromagnetic flowmeter includes a measuring tube through which a fluid flows, electrodes which detect an electromotive force generated by a magnetic field applied to the fluid. An exciting...
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7430924 |
Flow measurement apparatus having strain-based sensors and ultrasonic sensors
A flow measurement apparatus is provided that combines the functionality of an apparatus that uses strain-based sensors and ultrasonic sensors to measure the speed of sound propagating through a...
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7431045 |
Flow restrictor
A flow restrictor with a first disk having at least one inlet and at least one outlet and a flow path and a second disk having no flow path. The first disk and the second disk being stacked...
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7426875 |
Low flow rate measurement and control
A turbine wheel flow measuring transducer located in a fluid receiving chamber is provided for measuring low flow rates of fluids, whether liquids, gases, or mixtures, and in controlling the fluid...
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7426874 |
Electromagnetic flowmeter with measuring tube
An electromagnetic flowmeter includes a measuring tube through which a fluid to be measured flows, electrodes which detect an electromotive force generated by a magnetic field applied to the fluid....
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7422028 |
Apparatus for controlling and metering fluid flow
A device for metering and controlling fluid flow includes a variable orifice and is configured to use a pressure sensor. The device includes a fluid flow conduit having at least one planar inner...
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7421908 |
Electromagnetic flow sensing apparatus and method
An apparatus for sensing liquid flow rate comprises a conduit for conducting a flow of liquid through it and a flow sensor. The flow sensor includes a fixed portion attached to a sidewall of the...
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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...
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7418878 |
Universal sensor controller for a thermal anemometer
A fluid property measurement system uses an analog-to-digital converter combined with a multiplexer to measure voltages at one or more points of a measurement circuit and an algorithm within a...
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7421350 |
Meter electronics and method for detecting a residual material in a flow meter assembly
A meter electronics and method for detecting a residual material in a flow meter assembly are provided according to the invention. The meter electronics includes a processing system adapted to...
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7418877 |
Wet gas metering using a differential pressure based flow meter with a sonar based flow meter
A method and apparatus for measuring a parameter of a wet gas flow is provided, wherein the apparatus includes a differential pressure based flow meter configured to determine a first volumetric...
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7415895 |
Flow meter with a rectifying module having a plurality of mesh members
A rectifying module is arranged on an upstream side of a flow passage containing a flow velocity sensor. The rectifying module includes mesh members each having a plurality of circular small holes...
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7416542 |
Open circuit gravity-assisted uroflowmeter
An open circuit gravity-assisted uroflowmeter has a urine collector having a generally open inlet in fluid communication with a sensing passage located at a lower elevation than the inlet, the...
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7415894 |
Magnetic inductive flowmeter having a plug-type electrode connection
A magnetic inductive flowmeter having a measuring distance that is surrounded by a wall; a magnetic field generating device, and; an electrode device, which has at least one electrode on the inside...
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7415893 |
Bubble generator for use in doppler ultrasonic flowmeter and doppler ultrasonic flowmeter
A bubble generator to bring out performance of a Doppler ultrasonic flowmeter to the maximum extent is provided. The bubble generator is provided with a bubble generation member generating bubbles...
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7415892 |
Disposable flow chamber electro-magnetic flow sensor
An electro-magnetic flow sensor, which is arranged for measuring a flow rate of liquid, includes a micro controller and a liquid flowing apparatus communicatively linking to the micro controller....
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7412902 |
Device for determination and/or monitoring of the volumetric and/or mass flow of a medium and having coupling element including two element portions
A clamp-on ultrasonic flow measuring device for determining volume and/or mass flow rate of a medium in a containment. The clamp-on ultrasonic measuring device is of low temperature sensitivity. To...
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7412901 |
Magnetic-inductive flow meter with a grounding disk
A magnetic-inductive flow meter with a measuring tube ( 1 ) made of metal, which is flowed through by a medium ( 4 ) which has a minimum electrical conductivity and is permeated by a magnetic field...
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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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7412986 |
Method and system for flow measurement and validation of a mass flow controller
Systems and methods for flow verification and validation of mass flow controllers are disclosed. A mass flow controller may be commanded to a specified flow and flow measurement commenced. Gas is...
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7414255 |
Drop counter
The present invention relates to a Drop Counter for counting a succession of falling liquid drops. The Drop Counter includes a light emitting diode for providing a light beam directed to a falling...
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7412904 |
Isokinetic testing apparatus and system
An isokinetic testing machine is disclosed having a support frame, a sub-assembly disposed on the support frame, a power source operably disposed within the sub-assembly, a first main arm having a...
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7409875 |
System and method for determining velocity of electrically conductive fluid
A flowing electrically-conductive fluid is controlled between an upstream and downstream location thereof to insure that a convection timescale of the flowing fluid is less than a thermal diffusion...
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7409874 |
Metering apparatus for fuel injector flow test
Metering apparatus including wall portions which define an elongate generally upright cavity of substantially uniform cross-section and an inlet to the cavity to enable fluid which is to be metered...
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7409871 |
Mass flow meter or controller with inclination sensor
A thermal mass flow meter associated with an inclination sensor that detects an angle of inclination of at least one portion of a thermal mass flow sensor relative to at least one reference axis....
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7409872 |
Vortex flow meter
It is an object to provide a vortex flow meter with less measurement errors caused by a temperature change, a pressure change, and a mechanical vibration, and capable of performing a precise...
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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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7412336 |
Attitude insensitive flow device system and method
Disclosed herein are systems and methods for attitude insensitive flow devices. The system can include a flow device having a processor and a computer readable medium accessible by the processor...
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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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