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7075653 |
Method and apparatus for laser-based remote methane leak detection
A method and apparatus for remote laser-based detection of gas at levels exceeding natural background levels preferably utilizing wavelength modulated tunable diode laser absorption spectroscopy....
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7073396 |
Coriolis mass flowmeter
A Coriolis mass flowmeter incorporates a measuring tube for guiding a flowing medium, a first oscillator for the oscillatory stimulation of the measuring tube, as well as a first oscillation sensor...
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7073395 |
Ultrasonic flowmeter and ultrasonic flow rate measuring method
An ultrasonic flowmeter of the present invention includes: first and second ultrasonic transducers that send and receive an ultrasonic wave and are arranged so as to form a propagation path for the...
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7073394 |
Scalable averaging insertion vortex flow meter
An insertion vortex flow meter for measuring a flow rate of a process fluid in a pipe has a mounting assembly, a shedding bar and a sensor assembly. The mounting assembly is attached to a surface...
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7073393 |
Magnetic flowmeter with built-in simulator
A magnetic flowmeter transmitter includes a differential amplifier that senses an additive combination of actual flowmeter electrode outputs and simulated electrode outputs. The differential...
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7073392 |
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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7073386 |
Multi-bore pressure sensing probe
A pressure sensing probe having a probe body defining at least two bores communicating with respective bore entrance openings and bore exit openings therein for receiving a fluid flow into the bore...
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7070324 |
Method and device for system and/or process monitoring
The invention relates to a method and to a device for system- and/or process-monitoring in connection with a measurement apparatus that determines/monitors at least one process parameter of a...
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7069793 |
Ultrasonic flow meter and ultrasonic sensor
An ultrasonic flow meter for measuring a flow rate in a flow path is provided having ultrasonic sensors each of which includes a semicircular or substantially circular disk shaped transducer. Such...
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7066972 |
Continuous tracer generation apparatus
The invention provides an apparatus for online and on-site tracer generation for tagging natural gas stored in underground storage fields wherein feedstock is drawn from a feedstock source. The...
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7062977 |
Vibratory transducer
The transducer ( 1 ) has at least one at least temporarily vibrating flow tube ( 101 ) of predeterminable lumen for conducting a fluid. The flow tube ( 101 ) communicates with a connected pipe via...
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7062976 |
Apparatus and method of measuring gas volume fraction of a fluid flowing within a pipe
An apparatus 10,110 is provided that measures the speed of sound or acoustic disturbances propagating in a fluid or mixture having entrained gas/air to determine the gas volume fraction of the...
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7059200 |
Flow measurement system and method
Flow measurement systems and techniques may allow flow information to be wirelessly transmitted. The systems and techniques may include a meter index cover and a wireless meter transmitter adapter....
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7059199 |
Multiphase Coriolis flowmeter
A flowmeter is disclosed. The flowmeter includes a vibratable flowtube, and a driver connected to the flowtube that is operable to impart motion to the flowtube. A sensor is connected to the...
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7058549 |
Apparatus and method for measuring unsteady pressures within a large diameter pipe
An apparatus 10 is provided that includes a spatial array of at least two unsteady pressure sensors 18–21 placed at predetermined axial locations x 1 –x N disposed axially along a pipe 14...
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7058523 |
Electricity meter having gas consumption correction processing
A metering arrangement includes a meter housing, a source of energy signals, a source of gas flow signals, a source of temperature signals, and a processing circuit. The meter housing is securedly...
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7056085 |
Methods and apparatus for sensing parameters of air flows
A vane assembly includes a vane having a main axis, a first passageway within the vane substantially parallel to the main axis, and a second passageway aligned with the first passageway. The vane...
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7055396 |
Sensor assembly for magnetic flowmeter and method of manufacture
A sensor assembly for a magnetic flowmeter is provided that is cost-effective to manufacture, while incorporating an effective seal against leakage and enabling precise positioning of electrodes....
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7055395 |
Sulfur deposition control method and related control algorithm
A method for detecting and controlling the elemental sulfur deposition on pressure reducing gas fuel control valves in cases where the sulfur deposition results from a temperature drop during...
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7054764 |
Flow monitoring using flow control device
A method for determining the flow rate of a fluid, having a liquid fraction and a gas fraction, having the steps of: measuring the pressure and temperature of the fluid at a flow control device...
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7054759 |
Concentration measuring method
A concentration measuring method includes selecting a calibration curve optimum for computing the concentration of a measurement target substance from a plurality of calibration curves based on an...
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7051765 |
Balanced orifice plate
An orifice plate for use in a conduit through which fluid flows is defined by a central circular region having a radius R 0 and a ring-shaped region surrounding the central circular region. The...
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7051599 |
Thermal transient anemometer having sensing cell assembly
A thermal transient anemometer provides mass flow rate or volume flow rate over smaller discrete regions of a larger flow field, i.e., the distribution of such rates over a predefined, larger area....
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7051598 |
Magnetic circuit arrangement for a sensor
The invention relates to 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...
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7047822 |
Devices, installations and methods for improved fluid flow measurement in a conduit
Differential pressure measurement devices, installations and methods are disclosed, the devices including a main body and retainer. The main body is characterized by a front portion having a...
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7047821 |
Magnetoinductive flowmeter and method for producing a measuring tube for a magnetoinductive flowmeter
A magnetoinductive flowmeter encompasses a ceramic measuring tube as a conduit for a medium whose flow rate is to be measured, and a measuring electrode featuring a cermet body. The measuring tube...
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7044002 |
Method and device for monitoring the flow speed of an infusion solution
Method and device for monitoring the flow speed of an infusion solution, such as with hemofiltration or hemodiafiltration. The device has a tube for conducting an infusion solution from a source of...
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7044001 |
Sonic- or ultrasonic flowmeter
A sonic- or ultrasonic flowmeter, suitable for replacement of differential pressure flowmeters, comprising: a pipe segment, to be connected to a first and a second pipe, each having a diameter,...
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7044000 |
Ultrasonic flow sensor using quasi-helical beam
A probe type acoustic transit-time flow sensor has paired transducers arranged to generate quasi-helical acoustic beams making a plurality of reflective contacts with a pipe's interior wall. The...
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7043374 |
Flow sensor signal conversion
A method of obtaining at least one representation of a characteristic function of a sensor from a test fluid during calibration of the sensor according to a sensor model having a transfer function...
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7042230 |
Multi-parameter sensing system
Systems and methodologies that provide for multi-parameter sensing via micro fabricated sensing structures operatively connected to oscillators, each micro-fabricated sensing structure in part...
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7040181 |
Coriolis mass measuring device
A Coriolis mass flow measuring device includes a vibratory measuring transducer having at least one measuring tube, which has medium flowing through it during operation. In operation, the measuring...
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7040180 |
Coriolis mass-flow measuring device
A Coriolis mass-flow/density meter includes at least one measuring tube, which is traversed in operation by medium. A support structure of the Coriolis mass-flow/density meter is fixed at an inlet...
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7040179 |
Process meter
A process meter for measuring at least one physical process variable of a medium stored in a container or flowing in a line, comprising: a transducer including a sensor arrangement providing...
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7040144 |
Microfluidic viscometer
Microfluidic devices, systems, and methods measure viscosity, flow times, and/or pressures, other flow characteristics within the channels, and the measured flow characteristics can be used to...
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7039530 |
Fluid measurement
Techniques for fluid measurement include the ability to introduce a vibration to a container wall and to detect the vibration after the vibration has propagated at least partially around the...
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7038780 |
Method for sensing acoustic energy
A method for sensing acoustic energy as the energy passes from a more dense to a less dense medium while compensating for energy level loses that may have occurred along the acoustic path of the...
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7034549 |
Device to detect and measure the concentration and characterization of airborne conductive or dielectric particles
A measuring system is disclosed which detects and measures the volume concentration and mass flow of the airborne conductive particles, such as carbon-absorptive chaff particles. The measuring...
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7032463 |
Respiratory flow sensor
A respiratory tract differential-pressure flow sensor, including a tube having a distal end that is insertable into a respiratory tract, an interfering body disposed within the tube proximal to the...
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7032462 |
Mass flow measurement device
A mass flow measurement device includes a flow sensor tube and a housing having the flow sensor tube situated therein. A drive device is positioned outside the housing for vibrating the flow sensor...
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7032461 |
Flow sensor having a flow indicator having a plurality of light emission sections
A flow sensor comprises a detection section and a main unit section. The detection section comprises a casing, a through water pipe line, a transmitter which transmits an ultrasonic wave, a...
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7032383 |
Connecting duct for fluid compression system
A connecting duct for providing a fluid pathway between an outlet of a low pressure compressor and an inlet of a high pressure compressor is provided. The connecting duct includes a main body that...
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7028561 |
Fuel dispenser fuel meter error detection device, system and method
A flow switch used in conjunction with a fuel meter in a fuel dispenser to determine when fuel is flowing. A flow switch can only be activated if fuel is flowing through the flow path of the flow...
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7028560 |
Method to linearly measure gas volume flow in ducts and flow sensor
A method to linearly measure the flow of a gas in ducts, and a gas flow sensor using such a method are disclosed. In order to obtain a linear ratio between the differential pressure and the...
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7028559 |
Method of and a device for acoustically monitoring the course of a process, such as a milking process
The invention relates to a method of acoustically monitoring the course of a process, in which method the amplitude difference and/or the intensity value of sound are/is measured during the...
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7028558 |
Method for measuring a medium that flows through a measuring tube
A method for measuring a flow rate of a medium through a measuring tube which is penetrated by a constant magnetic field orthogonal to a flow direction and in which an electrical voltage building...
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7028557 |
Method and procedure to measure fluid flow and fluid fraction, and equipment used to that end
A procedure for determination of flow and fraction of fluids includes the steps of: determination of Spin-Lattice relaxation times to be measured; assignment of radiofrequency pulse sequences...
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7027936 |
Methods for measuring flow by means of an ultra sonic flow meter
In a method for measuring flow by means of an ultra sonic flow meter, an ultra sonic signal is transmitted in an upstream and a downstream direction. This is measured upon receipt of an ultra sonic...
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7027357 |
Acoustic communication device and acoustic signal communication method
The present invention provides an acoustic transmitter for sequentially transmitting a plurality of pulse signals by sound. Each of the plurality of pulse signals is a signal of at least one...
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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...
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