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7617055 |
Wet gas measurement
A multi-phase process fluid is passed through a vibratable flowtube. Motion is induced in the vibratable flowtube. A first apparent property of the multi-phase process fluid based on the motion of...
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7617052 |
Ultrasonic estimating method and apparatus for a cased well
An ultrasonic estimating method and apparatus are presented for estimating a mud velocity in a casing including a transducer and adapted to be positioned inside the casing and displaced through the...
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7596458 |
Tracking vibrations in a pipeline network
Tracking vibrations on a pipeline network includes installing multiple vibration recorders on the pipeline network, with each recorder including a sensor, a timer, a processor, and a digital...
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7584064 |
Method and device to control a computer system utilizing a fluid flow
A device, to facilitate a user control of a computer system, includes a movable portion movable by a fluid flow of a generated by a user of the device, and a converter to convert movement of the...
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7580801 |
Monitoring of two-phased fluid flow
In a method of monitoring two-phase fluid flow a vortex flowmeter is used to generate a signal indicative of the flow regime using the signal components and its fluctuations to determine the phase...
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7567182 |
Acoustic fire sensing system
The acoustic sound of water flowing to/from activated sprinkler heads is used to identify fire location in a region(s). Acoustic transducers, such as microphones, can be located in the vicinity of...
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7546213 |
Audio visualizer
The invention relates to a loudness meter including display means and data-processing means where the data-processing means establishes loudness estimates on the basis of an input signal, a first...
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7516024 |
Method and apparatus for measuring parameters of a stratified flow
Various methods are described for measuring parameters of a stratified flow using at least one spatial array of sensors disposed at different axial locations along the pipe. Each of the sensors...
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7496456 |
3D ultrasonographic device
A three-dimensional ultrasonic inspection apparatus includes: a sensing device for ultrasonic inspection including an ultrasonic sensor as a transducer, in which a plurality of piezoelectric...
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7480577 |
Multiple sensor flow meter
Combining a plurality of local flow measurements made at more than one location to generate a composite flow value can improve the accuracy of the overall measurement. The reliability and long term...
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7444245 |
Field device for determining and/or monitoring a process variable
Field device for determining and/or monitoring at least one process variable of a medium in a container. The field device includes: at least one mechanically oscillatable unit connected with the...
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7426443 |
Device for determining and/or monitoring the volume flow rate and/or mass flow rate of a medium to be measured
A ultrasonic flow measuring device, which is distinguished by a low energy consumption. A control/evaluation unit ascertains a plurality of sampled values (a i with i=1, 2, 3, . . . ) of 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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7418370 |
Method, apparatus and computer program providing broadband preconditioning based on reduced coupling for numerical solvers
This invention relates to computing numerical solutions of linear systems of equations, specifically to implementing preconditioning of the coefficient matrix of such a system. The preconditioning...
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7400985 |
Apparatus having an array of clamp on piezoelectric film sensors for measuring parameters of a process flow within a pipe
A apparatus 10,110,170 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...
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7343253 |
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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7340353 |
Dual function flow measurement apparatus having an array of sensors
A dual function flow measurement apparatus is provided that combines the functionality of an apparatus that measures the speed of sound propagating through a fluid flowing within a pipe, and...
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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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7299140 |
Method and system for multi-path ultrasonic flow measurement of partially developed flow profiles
A method for determining a velocity of a flowing fluid includes estimating a Reynolds number for the flowing fluid; comparing the estimated Reynolds number with a selected range; and determining...
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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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7274996 |
Method and system for monitoring fluid flow
A method and system for monitoring fluid flow, such as fluid flow through pipelines or similar conduits for delivering natural gas, crude oil, and other similar liquid or gas energy commodities,...
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7254518 |
Pressure transmitter with diagnostics
In one embodiment, a pressure transmitter is provided which diagnoses the condition of a primary element and/or an impulse line which connects to a pressure sensor. A difference circuit coupled to...
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7254494 |
Ultrasonic signal processing method and applications thereof
An ultrasonic signal processing method for improving the signal-to-noise ratio in ultrasonic measurements comprises the transmission of a predefined timed sequence of a number of ultrasonic burst...
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7248985 |
Acoustic signature testing for electronic, electromechanical, and mechanical equipment
A method for testing a unit is described where the unit includes one or more of electrical, electronic, mechanical, and electromechanical components. The described method includes applying at least...
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7213468 |
Ultrasonic apparatus and method for measuring the concentration and flow rate of gas
An ultrasonic apparatus measures the concentration and flow rate of a sample gas by calculating a possible propagation time range on the basis of the gas temperature, determining whether or not the...
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7127360 |
Dual function flow measurement apparatus having an array of sensors
A dual function flow measurement apparatus is provided that combines the functionality of an apparatus that measures the speed of sound propagating through a fluid flowing within a pipe, and...
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7117104 |
Ultrasonic liquid flow controller
An ultrasonic flow meter includes a conduit, a first ultrasonic transducer, a second ultrasonic transducer, and a controller. The first ultrasonic transducer is disposed at a first position about a...
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7110893 |
Method and apparatus for measuring a parameter of a fluid flowing within a pipe using an array of sensors
Various methods are described which increase the efficiency and accuracy of a signal processor in determining parameters of a fluid using signals output by a spatial array of sensors disposed along...
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7079958 |
Method for operating a process-measuring device
The process measuring device includes 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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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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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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6993445 |
Vortex flowmeter
A process variable transmitter, implemented in a dual PLL structure, includes a first PLL having a first bandwidth producing a first output signal, and a second PLL having a second bandwidth...
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6983208 |
Method and apparatus for combined measurements of concentration, distribution and flow velocity of suspended solids
A remote sensor and associated data processor, performs concurrent analysis of backscattered signals from a multi-beam acoustic Doppler emitter/receiver positioned against the inside wall of a...
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6950761 |
Wavelet analysis of one or more acoustic signals to identify one or more anomalies in an object
In one embodiment, a method for wavelet analysis of one or more acoustic signals to identify one or more anomalies in an object includes receiving an acoustic signal from an acoustic scan of an...
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6947851 |
Transceiver circuit for an ultrasonic flowmeter
A transmitting and receiving circuit for an ultrasonic flowmeter. In such circuits, an ultrasonic transducer is typically used as both transmitter and receiver. This is obtained by using switching...
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6940409 |
Fluid flow detector
A method and apparatus for monitoring fluid flow in a pipe or at an exit of the pipe and detecting a fault. The system includes an acoustic generator which is activated by the fluid flowing in the...
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6907361 |
Ultrasonic flow-measuring method
An ultrasonic flow-measuring method determines the flow rate of a medium flowing through a line is determined by measuring the runtime of an ultrasonic signal that travels from a first ultrasonic...
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6871148 |
Ultrasonic system and technique for fluid characterization
A pair of multi-frequency ultrasound transducer surround a fluid flow and are configured to operate under computer control in both a mono-static and a bi-static mode at each of the multiple...
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6853951 |
Methods and systems for analyzing the degradation and failure of mechanical systems
Methods and systems for identifying, understanding, and predicting the degradation and failure of mechanical systems are disclosed. The methods include measuring and quantifying stressors that are...
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6782326 |
Flow rate measuring apparatus
A flow rate measuring apparatus capable of accurately measuring a flow rate of fluctuating fluid. A mode setting circuit selectively sets any one of a plurality of predetermined transmission modes...
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6675111 |
Method and apparatus for measuring flow velocity and method and apparatus for measuring flow rate
Disclosed is a method and apparatus for measuring flow velocity and flow rate of a fluid in a tube member or the like with high precision. A flow vel0ocity measuring method has: a step of allowing...
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6671755 |
System for data capture from a rotor
A data capture system ( 1 ) has modular amplifier circuits ( 10 ) connected to modular capture circuits ( 11 ) within a rotor 2 . Each capture circuit ( 11 ) has an FPGA ( 26 ) operation according...
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6609069 |
Method and apparatus for determining the flow velocity of a fluid within a pipe
A method and corresponding apparatus for measuring the flow velocity of a fluid in an elongated body by sensing at more than one location along the elongated body, vortical disturbances convecting...
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6574571 |
Method and device for monitoring an electronic or computer system by means of a fluid flow
Monitoring system electronic or computer. Device for monitoring an electronic or computer system with the aid of a fluid current, characterized in that it includes: means to apply the fluid...
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6539316 |
Phase detector
A method for detecting a phase difference between first and second input signals is provided. The method includes modulating a duty cycle of first and second intermediate signals from a first duty...
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6535835 |
Angle independent ultrasound volume flow measurement
The volume of fluid flow within a vessel (VE) is measured by an ultrasound system. Ultrasound waves backscattered from the fluid within the vessel generate data from which velocity values...
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6360175 |
Generalized modal space drive control system for a vibrating tube process parameter sensor
A drive system is taught for controlling the modal content of any number of drive signals used to excite any number of drives on a vibrating conduit such as is found in a Coriolis mass flowmeter or...
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6226598 |
Method of measuring the propagation time of a sound signal in a fluid by means of a zero-crossing of said sound signal
Measuring the propagation time of a sound signal between two spaced-apart transducers disposed in a fluid flow involves determining the zero-crossing of the signal. Each received sound signal is...
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6151558 |
Ultrasonic marine speedometer system
Methods, devices and system for measuring the speed of the watercraft relative to the water through which it travels. An embodiment comprises two streamlined fins configured to extend at least...
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6119070 |
Method for acoustically measuring a fluid flow rate
A method for measuring a fluid flow rate between two points of a fluid flow according to which a measurement of the respective propagation times of two acoustic signals transmitted in opposite...
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