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7334602 |
Apparatus for controlling flow rate of gases used in semiconductor device by differential pressure
Provided is apparatus for controlling flow rate of gases used in semiconductor device by differential pressure by generating differential pressure in a fluid path. A differential pressure...
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7334486 |
Device and method for measuring fluid fluxes, solute fluxes and fracture parameters in fracture flow systems
An improved method and apparatus for simultaneously monitoring the magnitudes and directions of fluid fluxes and dissolved contaminants fluxes of a general flow system in both simply and multiply...
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7331227 |
Response measurement device
A response measuring device that can be used in equipment for personal training or exercise routines. This device includes a cylinder block; a chamber formed in the cylinder block and having first...
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7328626 |
Apparatus for generating and conducting a fluid flow, and method of monitoring said apparatus
The apparatus comprises a displacement pump with at least one flow vessel, with a pump drive, and with a support means for holding the flow vessel. Furthermore, the apparatus comprises a measuring...
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7328624 |
Probe for measuring parameters of a flowing fluid and/or multiphase mixture
A probe 10,170 is provided that measures the speed of sound and/or vortical disturbances propagating in a single phase fluid flow and/or multiphase mixture to determine parameters, such as...
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7325463 |
Fluid sensor assembly
A fluid sensor assembly is provided for sensing a fluid property in-line. The assembly includes a body with a port for connecting the body to a fluid line and internal passage connecting the first...
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7325462 |
Measuring transducer of vibration-type
The measuring transducer includes a transducer housing, as well as an internal part arranged in the transducer housing. The internal part includes at least one curved measuring tube vibrating, at...
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7325461 |
Measurement transducer of vibration-type
The measurement transducer includes at least two oscillatably held transducer tubes vibrating, at least at times, during operation, of which at least one transducer tube serving to convey at least...
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7325443 |
Sampling device and method for measuring fluid flow and solute mass transport
A device and a method for measuring fluid flow and solute mass transport in flow systems includes a casing ( 1 ) having inlet ( 3 ) and outlet ( 9 ) openings and a fluid passageway therebetween,...
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7322251 |
Method and apparatus for measuring a parameter of a high temperature fluid flowing within a pipe using an array of piezoelectric based flow sensors
A method, apparatus and system are provided to measure the process flow of a fluid or medium traveling in a pipe. The system and apparatus feature a standoff and piezoelectric-based sensor...
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7320252 |
Flow meter using an expanded tube section and sensitive differential pressure measurement
A method and apparatus for measuring the flow rate of a fluid within tubing disposed within a downhole wellbore. The present invention provides an inverse Venturi meter inserted within tubing with...
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7318357 |
Machine and method for allowing different fluid or gas flow rates in different directions in a conduit
A machine for allowing different fluid or gas flow rates in different directions through a conduit with a freely pivotable valve element, and a valve element stop so as can provide for limited flow...
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7318356 |
Method for operating a mass flow meter
A method for operating a mass flowmeter that employs the Coriolis principle and through which flows a medium, the flowmeter including a measuring tube through which passes a medium, which measuring...
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7318355 |
Ultrasonic flow velocity meter and ultrasonic transducer thereof
The invention provides an ultrasonic flow velocity meter that can measure the flow velocity of a fluid over a wide range of degree of contamination with high degree of accuracy. The ultrasonic flow...
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7318354 |
Magnetoinductive flowmeter with a two-part insert
A magnetoinductive flowmeter for measuring the flow rate of a moving medium includes a measuring tube conducting the medium, and an insert provided in the measuring tube. The insert consists of at...
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7318336 |
Methods for controlling one or more parameters of a flow cytometer type measurement system
Various methods for controlling one or more parameters of a flow cytometer type measurement system are provided. One embodiment includes monitoring parameter(s) of the measurement system during...
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7317659 |
Measurement of air characteristics in the lower atmosphere
Sodar systems and methods for acoustically sounding air are disclosed in which chirps longer than 300 ms—and preferably with durations of tens of seconds—are used along with matched filter...
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7316166 |
Method and system for analyzing multi-phase mixtures
A method and apparatus is disclosed for identifying changes in composition in a flow containing an oil/hydrocarbon gas fluid mixture, including a measurement of the respective holdups of any two of...
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7313973 |
Flow sensor and fire detection system utilizing same
In a fire sprinkler system, flow sensors are used having strain gauges mounted on supports which project into the sprinkler pipes. When water flow occurs, the supports bend, changing the strain...
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7313488 |
Coriolis mode processing techniques
Flowmeters are described in which a sensor signal received from a sensor that is attached to vibratable flowtube, so as to determine properties of a fluid within the flowtube, contains a drive...
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7311004 |
Flow control and operation monitoring system for individual spray nozzles
An apparatus and process for monitoring fluid flow through a nozzle is disclosed. A vibration sensor, such as an accelerometer, is mounted to a nozzle. The vibration output received from the sensor...
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7311001 |
Multiphase flow measurement apparatus and method
An apparatus is utilized for obtaining flow measurements from an individual oil and gas well. The apparatus utilizes pipe segments rather than vessels to separate the fluid components into a gas...
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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...
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7310046 |
Method for eliminating reading errors in a non-contact microwave solids flow meter
Method for eliminating or reducing reading errors of a non-contact microwave solids flow meter measuring solid particulate flow. The method is particularly suitable for calibration procedures prior...
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7308832 |
Strain gage differential pressure measurement in a fluid flow meter
Apparatus and method for strain gage measurement of differential pressure across a body inserted into a flowing fluid where the body includes an exterior upstream facing portion, an exterior...
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7305893 |
Oscillating vane actuator apparatus and method for active flow control
An oscillating vane actuator for active control of fluid flow over a surface includes a pivoted vane surrounded by a wedge-shaped chamber, and first and second conduits with openings adjacent the...
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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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7305309 |
Transmission measuring system with high time resolution
A transmission measuring system includes a subject for transmission measurement for outputting, in response to a start signal for measurement from a central processing unit, an output signal...
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7302863 |
Software correction method and apparatus for a variable orifice flow meter
A method of improving the accuracy of a variable orifice flow meter that includes characterizing the flow coefficient of the flow meter orifice for different orifice openings and for different...
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7302862 |
Flow rate-measuring device
A flow sensor 22 is provided on a wall surface of a flow path 4 in which a fluid to be measured. A member having minimal cross-section flow path 17 which has a diameter extremely smaller than...
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7302861 |
Portable flow measurement apparatus having an array of sensors
A portable flow measuring apparatus includes an array of pressure sensors used to measure the acoustic and convective pressure variations in the flow to determine a desired parameter. A portable...
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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...
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7299819 |
Water flow sensor alone and in combination with a method and apparatus for selectively shutting off the flow of water to a building
Embodiments disclosed herein relate in part to water flow sensors, and also to such water flow sensors in combination with a system used to selectively shut off the flow of water through a water...
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7299707 |
Eccentric venturi flow meter
A venturi type of primary flow element comprising a tubular body defining a flow path having open ends and walls and including in series, a converging section, a cylindrical throat section, and a...
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7299706 |
Flow meter and method of using the same
The invention relates to a new method and a new apparatus to accurately measure flow rates in injection systems such as gasoline, direct injection gasoline and diesel downstream of the injector...
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7299705 |
Apparatus and method for augmenting a Coriolis meter
A flow measuring system is provided that provides at least one of a compensated mass flow rate measurement and a compensated density measurement. The flow measuring system includes a gas volume...
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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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7299683 |
Metal particle sensor system
A metal particle sensor system for detecting metal particles in an oil line. The metal particle sensor system may include a metal particle sensor positioned about the line, an orifice positioned...
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7298280 |
Lighted fluid flow indication apparatus
A fluid flow indication apparatus is provided for monitoring and giving an indication of fluid flow.
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7297280 |
Method and apparatus to measure blood flow in hemodialysis shunts
The measurement of blood flow in a dialysis shunt is obtained by injection of an indicator material into a venous line leading from dialysis equipment to the shunt. The blood flow in an arterial...
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7296484 |
In-line measuring device
An inline measuring device includes a vibration-type measurement pickup having at least one measuring tube, which has a medium to be measured flowing through it during operation. The measuring tube...
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7296483 |
Magnetoinductive flowmeter with detachable components
A magnetoinductive flowmeter incorporates an electromagnetic circuit with at least one coil and a minimum of two detachably interconnected components of a magnetic material. One of the components...
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7296482 |
Flowmeter
A flowmeter suitable for replacement of differential pressure flowmeters comprising: a primary flow sensor, sensor electronics for proving a measurement signal; a signal processing unit for...
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7295934 |
Flow meter performance monitoring system
Apparatus and associated systems, methods and computer program products relate to monitoring the performance of an operating gas meter by automatic and substantially continuous differential...
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7295933 |
Configurable multi-function flow measurement apparatus having an array of sensors
A configurable multi-function flow measurement apparatus is provided that can selectably function to measure the speed of sound propagating through a fluid flowing within a pipe and/or to measure...
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7293605 |
Feed-back control system for heat exchanger with natural shedding frequency
The invention relates with the feed-back control system of a heat exchanger by use of the flow resonance phenomenon which maximizes the heat transfer efficiency by generating the flow disturbances...
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7293478 |
Method for testing a foam delivery system on a vehicle
A method which permits the environmentally safe testing of the Aircraft Rescue and Fire Fighting vehicle's foam delivery system by using a surrogate fluid to test the foam delivery system. The...
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7293471 |
Flow meter for measuring fluid mixtures
The present invention is directed to a flow meter that obtains the individual flow rates of gas, liquid hydrocarbons, and water in a predominantly gas-containing flowing fluid mixture. The flow...
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7293470 |
Two-wire bus instrument
A two-wire bus instrument ( 500 ) adapted for use with a two-wire bus ( 308 ) is provided according to an embodiment of the invention. An instrument element ( 304 ) receives a third current and...
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7293469 |
Electromagnetic flow meter having electropolished electrodes
An electromagnetic flowmeter has a measuring tube through which a fluid to be measured flows, a magnetic field applying section which applies a magnetic field to the fluid to be measured, and a...
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