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8170812 Method and system for detecting deposit buildup within an ultrasonic flow meter  
Methods and systems for detecting deposit buildup within an ultrasonic flow meter are disclosed. At least some of the illustrative embodiments are ultrasonic flow meters comprising a spool piece...
8155895 Method and system of detecting liquid in an acoustic flow meter  
Detecting liquid in an acoustic flow meter. At least some of the illustrative embodiments are methods including flowing a gaseous substance through a central passage of a meter body, sending...
8126661 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...
8103461 Method for determining the temporal position of a wave packet and flow measuring device  
The invention relates to a method for determining the temporal position of a wave packet (31) in a flow measuring apparatus, and to a flow measuring apparatus. The method includes the sampling of...
8068999 Multi-gas flow device  
A system and method of characterizing or controlling a flow of a fluid is provided that involves a sensor conduit and a bypass. A plurality of fluids may be utilized in the flow control device...
8019559 Sonic flow meter and method  
A flow meter and method for measuring flow in liquids which may have entrained bubbles or foreign matter. The meter performs alternate transit time and Doppler measurements. The transit time...
8010303 Multi-gas flow device  
A system and method of characterizing or controlling a flow of a fluid is provided that involves a sensor conduit and a bypass. A plurality of fluids may be utilized in the flow control device...
7983855 Meter electronics and methods for generating a drive signal for a vibratory flowmeter  
A meter electronics (20) for generating a drive signal for a vibratory flowmeter (5) is provided according to an embodiment of the invention. The meter electronics includes an interface (201) and a...
7962293 Apparatus and method for providing a stratification metric of a multiphase fluid flowing within a pipe  
A method and apparatus for determining a level of stratification of a multiphase fluid flow passing through a pipe is provided. The method includes, and the apparatus is operable to perform, the...
7958786 Flow measurement system and method using enhanced phase difference detection  
A flow measurement system and method uses enhanced phase detection based on a ratio of amplitudes of summations of two oppositely propagating acoustic signals. A need for direct time measurement...
7933751 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...
7933752 Method, apparatus and computer program providing broadband preconditioning based on a 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...
7739061 Method and system for controlling a user interface of a device using human breath  
Certain aspects of a method and system for controlling a user interface of a device using human breath may include detecting movement caused by expulsion of human breath by a user. In response to...
7706925 Integrated pressure and flow ratio control system  
An integrated pressure and flow ratio control system includes N mass flow controllers MFCi (i=1, . . . , N) that each control the flow rate of a fluid Fi (i=1, . . . , N) flowing into a processing...
7706986 Apparatus for determining and/or monitoring volume and/or mass flow of a medium  
An ultrasonic flow measuring device, which determines volume and/or mass flow of a medium in a pipeline, or in a measuring tube. The flow measuring device includes a plurality of ultrasonic...
7706987 In-flow determination of left and right eigenvectors in a Coriolis flowmeter  
A method and apparatus for periodically calculating the relative phase of the left eigenvector for a vibrating conduit is provided. During normal operation, two drivers are used in tandem to excite...
7684938 Self-cleaning ultrasonic flow sensor  
Acoustic windows that are portions of an ultrasonic sensor used to measure a rate of flow of a fluid are wetted whenever the fluid is present. These windows may become coated with a contaminant...
7672794 System and method for operating a flow process  
A system for monitoring, diagnosing, and/or controlling a flow process uses one or more flow meters based on an array of pressure sensors. A signal processor outputs at least one of a flow signal,...
7643945 Technique for acoustic data analysis  
A method of enhancing acoustic pump data for monitoring of pump condition in operation. The enhancement may be in the form of a substantial reduction in the amount of data to be processed by...
7620534 Sound enabling computerized system for real time reservoir model calibration using field surveillance data  
A computer-based system generates digital and audio responses to changes in fluid and rock properties of a producing hydrocarbon reservoir for surveillance analysis. The system calibrates observed...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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 (ai with i=1, 2, 3, . . . ) of a received...
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...
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...
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 as...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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 x1–xN disposed axially along a pipe 14 for mea...
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...
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...
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...
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...
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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