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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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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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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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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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7406880 |
Averaging orifice primary flow element
A process flow device includes a self-averaging pitot tube type of primary flow element for measuring, by a differential pressure process, the volumetric rate of fluid flow at a point in a fluid...
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7406879 |
Static pressure tube apparatus, method, and system
An apparatus, system, and method for measuring static pressure in a warm gas flow while minimizing particulate deposit formation includes a housing containing the flow of gas, a pressure sensor,...
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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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7404337 |
Mass flow meter with fluid lens
A flow metering apparatus possessing a housing with a chamber including and entrance and an exit for the passageway of fluid therethrough. A flow directing body is located in the chamber and...
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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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7404335 |
Magnetoinductive flowmeter with galvanic measurement electrodes having a head section of a noble material
A magnetoinductive flowmeter having a measurement tube ( 1 ), through which a flowable medium ( 3 ) flows, with a magnet unit ( 4 a , 4 b ) which is arranged on the outside of the measurement tube...
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7403862 |
Method for operating a process-measuring device
The process measuring device comprises 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...
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7402425 |
Stress-based electrostatic monitoring of chemical reactions and binding
Electrostatic capacitance measurements are used to detect chemical or biological analytes, or chemical interactions, with great sensitivity. A diaphragm is coated with a material capable of...
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7401530 |
Sonar based multiphase flowmeter
Methods and apparatus determine individual phase fractions for three phases within a fluid mixture. Appropriate flow algorithms can utilize this phase fraction information with a sensed total...
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7400265 |
Remotely readable gas meter and method of using the same
A sensing device for remotely reading the position of the needles of a gas meter. The gas meter having a plurality of meter needles. The sensing device including directional magnetic field emitters...
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7399401 |
Methods for use in assessing a flow condition of a fluid
A device for use in assessing a flow condition of a fluid, or a fluid in a flow path, is provided. The device comprises at least one electrochemical cell, comprising a working electrode and at...
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7399280 |
Passive and wireless in-vivo acoustic wave flow sensor
A wireless surface wave flow sensor can be utilized for monitoring the flow of fluid. Such a surface wave flow sensor can be configured to include one or more interdigital transducers and a...
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7398165 |
Intelligent signal processor for vortex flowmeter
The present invention discloses an intelligent signal processor of a vortex flowmeter, the signal processor mainly adopts a digital signal processor structure for processing a flow rate of a fluid....
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7397389 |
System and method for retrofitting utility meter reading modules
The system and methods of the present invention generally include retrofitting at least one shrouding device that is associated with a meter reading module drive shaft that operates within a meter...
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7396452 |
Apparatus for determining flow rates of biological fluids
An apparatus comprises an inlet to convey a first fluid comprising first and second components having different density into a rotating chamber such that an interface forms between at least...
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7395711 |
System and technique for characterizing fluids using ultrasonic diffraction grating spectroscopy
A system for determining property of multiphase fluids based on ultrasonic diffraction grating spectroscopy includes a diffraction grating on a solid in contact with the fluid. An interrogation...
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7392710 |
Flow meter probe with force sensors
The flow meter probe with force sensors has the body of a frustum of a regular pyramid with a force sensor disposed upon each face. The force sensors are mounted in bores defined in the probe body...
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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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7390307 |
Volumetric physiological measuring system and method
A system and method for measuring volumes and areas using electromagnetic induction techniques. A current is generated and fed into one of two coil assemblies to induce voltage into another coil...
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7389786 |
Ultrasonic and sonic odorization systems
A system is shown for injecting a chemical, such as an odorant, from a chemical supply into a fluid containing system such as a natural gas pipeline or an LPG pipeline. A tank of odorant is...
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7389684 |
Gas lift flow surveillance device
The gas lift flow surveillance device has a paddle having a rod with a target attached to one end and a paddle block attached to the opposite end. The paddle block is pivotally disposed within a...
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7383742 |
Septum leak detector
A gas flow sensor receives a low-volume gas flow to be measured in a selectively sealed chamber. A flow rate signal is generated using a measuring device in response to the received gas flow. The...
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7383741 |
Flow rate-measuring apparatus
A flow rate-measuring apparatus comprises a housing having a passage for supplying a liquid thereto, and a pair of detecting sections provided at both ends of the housing, and which contain sonic...
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7383740 |
Spirometer
Pocket-size medical spirometer comprising a housing and a measurement unit (MU), for measuring rate of total flow when a user exhales through the spirometer. The MU comprises a fluidic jet...
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7383739 |
Magnetoinductive flowmeter having an electrode with an electroconductive diamond coating
A magnetoinductive flowmeter includes a measuring tube containing an electrode that is provided with an electroconductive diamond coating, as a result of which the galvanic contact between the...
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7380471 |
Micro gust thermal anemometer
A thermal anemometer for measuring airflow includes an ovenized semiconductor device including an internal oven. The oven is powered by an oven current such that the oven current varies with air...
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7380470 |
Ultrasonic flow meter including turbulators
Measuring volume flows or mass flows in the intake system of motor vehicle internal combustion engines plays an important role in reducing harmful emissions. Therefore, an ultrasonic flow meter for...
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7380469 |
Ultrasonic flow rate measuring device
An ultrasonic flow rate measuring device, especially a clamp-on ultrasonic flow rate measuring device, with at least one ultrasonic transducer ( 8 ) for measuring the flow rate through a line...
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7380468 |
Device for integrating electrodes characterizing the flow of a multiphase fluid in a tubing
The invention relates to a device for integrating electrodes ( 12 ) characterizing the flow of a multiphase fluid in a tubing ( 10 ). The device includes a tube section ( 14 ) made out of an...
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7380439 |
Apparatus and method for compensating 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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7377185 |
Device and method of detecting flow rate/liquid kind, and device and method of detecting liquid kind
A flow rate/liquid type detecting method for detecting the flow rate of a fluid and, at the same time, detecting any one of or both the type of the fluid and the concentration of the fluid,...
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7377184 |
Multipurpose centralized flow detector
A non-intrusive flow detector consists of an optical sensor assembly that attaches non-obstructively and non-invasively to a fluid flow meter. The sensor monitors dial movement of a least flow dial...
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7377183 |
Flow measuring device and manufacture method thereof
A device for measuring a flow of a fluid is provided. The device includes a base, a channel, and at least two electronic circuits. The channel is mounted on the base, flowing the fluid therein and...
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7376520 |
System and method for gas flow verification
A gas flow rate verification apparatus is provided for shared use in a multiple tool semiconductor processing platform. The gas flow rate verification apparatus is defined to measure a pressure...
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7373842 |
Liquid dispenser with volume meter and method
A liquid dispenser comprises a sprayer device and volume meter connected together to form an integral unit that prevents the sprayer device and volume meter from being disconnected without damaging...
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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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7373840 |
Ultrasonic flowmeter having a transmitting body fixed on the outer peripheral surface of the pipe
An ultrasonic flowmeter includes two ultrasonic transceivers ( 10, 16 ). Each of the ultrasonic transceiver ( 10, 16 ) includes a transmitting body ( 1; 12 ) fixed to the outer peripheral surface...
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7373839 |
Apparatus for determining and/or monitoring volume- and/or mass-flow of a medium in a pipeline
An apparatus for determining and/or monitoring volume- and/or mass-flow of a medium flowing through a pipeline in a stream direction. At least two ultrasonic sensors are included, which are secured...
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7373838 |
Acoustic wave flow sensor for high-condensation applications
An acoustic wave flow sensor includes a piezoelectric substrate and a heater located immediately below the acoustic wave substrate. A heating element can be deposited in association with a...
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7369949 |
Electromagnetic flowmeter
An electromagnetic flowmeter includes a measuring tube, an electrode, an exciting unit, a signal conversion unit, and a flow rate calculating unit. The signal conversion unit extracts a ∂A/∂t...
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7369230 |
Apparatus and method for measuring particulate flow rate
An apparatus for measuring the rate of flow of a volume of particulate material comprising a transparent tube of known cross-sectional area, means for supplying a flow of particulate material...
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7367241 |
Differential pressure type flowmeter and differential pressure type flow controller
A differential pressure type flowmeter comprises an orifice, a detector to detect a fluid pressure P 1 on the upstream side of an orifice, a detector to detect a fluid pressure P 2 on the...
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7367240 |
Apparatus and method for providing a flow measurement compensated for entrained gas
A apparatus 10, 110 is provided that measures the speed of sound and/or vortical disturbances propagating in a fluid or mixture having entrained gas/air to determine the gas volume fraction of...
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7367239 |
Piezocable based sensor for measuring unsteady pressures inside a pipe
A piezocable-based sensor for measuring unsteady pressures inside a pipe comprises at least one cable extending around at least a portion of a circumference of the pipe. The cable includes a first...
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7367230 |
Flow rate detector and flow controller
A path detector is constructed so that a path block body, which forms a given path and which has a flow sensor interposed in the path, and a circuit board having an electric circuit mounted thereon...
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