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7124039 |
Device comprising detecting means for hydraulic or chemical-physical properties of a fluid
A device has a body defining a space for the passage of a fluid, as well as a detector of a hydraulic or chemical-physical property of the fluid in the space. The detector is connected to a control...
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7120544 |
Software and method for turbulent flow analysis
A method for analyzing a turbulent fluid flow field includes the steps of: creating a mathematical model of a physical object; simulating a flow field around the model, wherein the flow field is at...
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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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7113873 |
Method and system for using eddy current transducers in pressure measurements
A method for generating a signal indicative of a pressure oscillation in a chamber is provided. The method includes sensing a pressure within the chamber, generating a signal relative to the sensed...
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7103483 |
Fluid analyzing apparatus, fluid analyzing method, and fluid analyzing program
Fluid analyzing apparatus includes: an advection step density analyzing unit; an advection step internal energy analyzing unit; and an advection step pressure analyzing unit. The apparatus further...
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7089134 |
Method and apparatus for analyzing gas flow in a gas panel
One embodiment of the present invention is a method for analyzing gas flow in a gas transmission unit of a gas panel that includes: (a) monitoring a measure of gas flow output from a mass flow...
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7085657 |
Signal processing unit for a pressure switch or the like
A signal processing unit for a pressure switch or the like, comprising a sensor element, such as a strain gauge bridge, to supply an analog electrical signal that corresponds to a pressure; a...
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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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7072776 |
Method of regulating resistance in a discontinuous time hot-wire anemometer
A system and method are provided to regulate resistance in a discontinuous time hot-wire anemometer. The solution removes supply voltage dependency on the mass airflow output signal. Operating the...
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7065454 |
Analysis of particles in fluid
A method is disclosed for acquisition and analysis of condition monitoring data. Alarm and alert levels are set to proper levels and information regarding the frequency and cause for alerts is...
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7062387 |
Method and apparatus for leak detection in low density gas-filled disk drives
The present invention is directed to the detection of gas leaks from a gas-filled disk drive. In accordance with embodiments of the present invention, gas leaks from a disk drive can be detected by...
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7054768 |
Method and system for shear flow profiling
The invention relates to a computerized method of profiling a shear flow, such as a boundary layer. The method includes receiving two successive images of a plurality of particles in the shear flow...
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7054767 |
Thermal mass flowmeter apparatus and method with temperature correction
A thermal mass flowmeter with temperature correction. The flowmeter includes a bridge, a signal conditioner, and a balancer. The balancer provides a bridge signal as feedback to the bridge that...
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7054766 |
Fluid properties evaluation
Fluid flow properties often dictate the performance of processing operations. The present invention relates to a system for evaluating properties of a fluid flowing in a pipe. A test cell ( 20 )...
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7054760 |
Apparatus and method for generating and displaying fuel flow information in a GPS-equipped vehicle
Fuel flow information is generated in an engine compartment and transmitted for display on the fuel page(s) of a GPS signal receiver located in view of a vehicle operator. A fuel transducer coupled...
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7043402 |
On-line oil condition sensor system for rotating and reciprocating machinery
An on-line sensing system and method for monitoring in real-time thermal-oxidative breakdown, water contamination, and/or fuel dilution conditions in operational engine lubricating oils. The method...
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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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7031849 |
On-line device for predicting at least one fluid flow parameter in a process
An online device and method for predicting at least one fluid flow parameter in a process (which comprises a bounded flow domain having disposed therein a pre-determined matrix) includes a computer...
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7024317 |
Apparatus and method for fuel measurement and accountability
A system for establishing fuel accountability and optimization for a vehicle. The apparatus can include a fuel tank containing hydrocarbon fuels operably engaged to a fuel sensor, an engine...
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7024316 |
Transiently dynamic flow cytometer analysis system
A flow cytometry apparatus and methods to process information incident to particles or cells entrained in a sheath fluid stream allowing assessment, differentiation, assignment, and separation of...
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7013225 |
Method for determining the amount of an operating medium in a motor vehicle
The invention relates to a method for determining the fill quantity of an operating medium, in particular of the engine oil in a motor vehicle having a reservoir container of the operating medium...
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7010433 |
Indirect measurement of diluents in a multi-component natural gas
A method of indirectly measuring the diluent (nitrogen and carbon dioxide) concentrations in a natural gas mixture. The molecular weight of the gas is modeled as a function of the speed of sound in...
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7003418 |
Methods and systems for temperature compensation of physical property sensors
Temperature compensation methods for physical property sensors are disclosed herein, based on a simple bridge circuit. An imbalance of the bridge circuit can be driven to a zero value, while a...
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6999883 |
Landfill gas extraction constant flow control method and device
A control method and apparatus for regulating gas flow from landfill gas wells uses a differential pressure-regulating valve to maintain a set flow through a constant flow wellhead assembly. This...
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6999882 |
Method for determining a mass airflow
In a method for determining a mass airflow in an air duct using a mass airflow sensor, sensor signals at successive times, indicating the magnitude of the mass airflow, are captured and, using a...
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6983209 |
Temperature corrected tire pressure gauge and method
Disclosed is a device ( 10 ) and method for determining a temperature-corrected tire pressure. A preselected baseline temperature ( 26 ) is measured or selected. A second temperature ( 28 ) is...
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6968283 |
Gas flow meter
A gas flow meter having a gas flow detection circuit for detecting a current flowing through a resistor installed in a gas passage and a voltage generated across the resistor and outputting a...
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6965840 |
Dual sensor process temperature switch having a high-diagnostic one-out-of-two voting architecture
A high-diagnostic, dual sensor process temperature switch having a one-out-of-two voting architecture useful in commercial and industrial fluid transport systems is provided for determining whether...
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6965318 |
Method and system for monitoring air pressure in a telecommunications network
A system for monitoring air pressure in a telecommunications network comprises a plurality of monitoring units, at least one device server, a computer network, and a terminal. Each monitoring unit...
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6963808 |
Methods and apparatus for using water use signatures in improving water use efficiency
The present invention provides systems and methods that identify a flow anomaly to an operator or other person by: executing a first device of a plurality of water using devices; receiving flow...
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6963810 |
Method and system for locating critical flow feature indicators in three dimensional flow regimes
A method for locating two dimensional critical flow features on a surface of a three dimensional body immersed in a fluid stream is presented. The method includes applying a hot film sensor array...
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6963817 |
Systems for acquiring data from a facility and method
A field instrument and system for obtaining pressure, flow and temperature data from a facility. The field instrument includes an enclosure having an opening therein. An integrated analog sensor is...
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6962087 |
Electromagnetic flow meter
There is described herein a method of obtaining a measure of flow from an electromagnetic flow meter having at least one field generating coil and potential sensing electrodes. A composite...
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6950762 |
Device for examining liquids
A device for examining liquids. A precise examination of liquids has until now only been possible where there are permanently installed evaluation devices. This disadvantage can be avoided with the...
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6945770 |
Fuel metering pump of a heating equipment, particularly water or air heating equipment of a motor vehicle, with control equipment
The invention relates to an electric fuel dosing pump ( 2 ) of a heating device ( 1 ), especially a water heating device in the form of a an auxiliary heater or an independent heating device of an...
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6947862 |
Method for simulating slurry flow for a grooved polishing pad
A method for determining the flow of a fluid ( 60 ) in a gap ( 64 ) between a pad ( 48 ) and a substrate ( 12 ) includes the step of utilizing a hybrid Navier-Stokes/lubrication formulation to...
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6944563 |
On-line compositional allocation
A method and a system to provide allocation of mixed flow to individual sources in oil and gas production systems by measuring mixed flow; analyzing the composition; accessing the data for the...
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6934643 |
Ultra accurate gas injection system with vehicle transient air simulation
An ultra accurate gas injection system with vehicle transient air simulation is provided. The device includes an input device, at least one mass flow device, an air flow device, a controller, such...
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6934644 |
Method and apparatus for monitoring operational performance of fluid storage systems
A method of determining a volume of fluid associated with a fluid storage and dispensing system, the volume of fluid having a height in the system, wherein the system include measurement apparatus...
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6928369 |
Ultrasonic current meter
The present invention provides a small, low power consumption ultrasonic flow velocity meter. The burst signal generation section 110 generates two kinds of burst signals with a phase difference...
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6925397 |
Meter calibration accuracy
A method of estimating the measuring accuracy of each of a plurality of dispensing meters which dispense fluid from a fluid dispensing system including a storage tank includes measuring a volume of...
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6925398 |
Water measurement apparatus and methods
Water measurement apparatus and methods of operation. An exemplary implementation of water measurement apparatus comprises a measurement circuit outputting a voltage. A processor is operatively...
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6917891 |
Systems and methods for diagnosing and predicting fluid flow systems using sensors
A fluid flow system for continuously monitoring the flow of fluid including fluid flow conduit with an upstream side and a downstream side, sensors and fluid flow elements, with the method for...
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6915241 |
Method for segmentation and identification of nonstationary time series
A method, implemented on a computer having a fixed amount of memory and CPU resources, for analyzing a sequence of data units derived from a dynamic system to which new data units may be added by...
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6915245 |
Method of simulating a fluid by advection of a time-weighted equilibrium distribution function
A method for simulating a compressible fluid includes selecting an equilibrium distribution function for simulating a fluid; receiving as input an initial value of at least one variable of a...
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6910364 |
Diagnosis method for detecting ageing symptoms in a steam turbine
A diagnosis method is for detecting ageing symptoms in a steam turbine. The efficiency and the steam flow rate of an aged steam turbine is compared to the efficiency and the steam flow rate of a...
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6912472 |
Method of estimating location of abnormality in fluid feed pipeline network
A method of detecting the location of a failure (e.g., a sudden leak) in a fluid pipeline network, which can be suitably used for estimation of the location of a failure in a water pipeline...
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6911830 |
Diesel engine lubricating oil contaminant sensor method
A method by which contaminant (soot) content in Diesel engine oil is determined using electrical conductivity measurements of the Diesel oil at a high frequency, or by which contaminant (soot...
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6907353 |
Apparatus and method for measuring fluid characteristics
A sensing element for use with a controller adapted to receive input signals corresponding to the sensing element, the sensing element having: a housing defining a conduit adapted to be in fluid...
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6904386 |
Control system and method for detecting plugging in differential pressure cells
A method and control system is disclosed that monitors the high frequency or commonly referred to as the “noise” component of a measurement signal to detect plugging conditions in fluid flow...
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