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6829522 |
Portable advisory system for balancing airflows in paint booth
A portable advisory system for balancing airflows in a paint booth includes a portable airflow sensor to measure airflows in the paint booth, and a portable computer connected to the airflow sensor...
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6829543 |
Sampling method for flowmeters
The subject matter of the present invention is a sampling method for flowmeters, in the case of which the sampling rate is reduced as a function of the remaining power source service life. The...
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6826492 |
Method of managing a well file record at a well site
A method of managing well file records includes storing a well file on a first computer at a home base location and communicating the well file to a second computer at a remote well site. The well...
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6826493 |
System and method for real time determination of unsteady aerodynamic loads
A method is provided for determining a load on an object immersed in a fluid stream under a set of flow and attitude conditions associated with unsteady flow phenomena. The method comprises...
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6816793 |
Method for predicting flow properties of powders
A method for predicting flow properties of one or more materials proposed for processing in a system that requires good flow properties to operate successfully includes identifying a plurality of...
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6807493 |
Estimating flow rates in open-channel geometries having capillary pumping vanes
A method of estimating liquid flow rates in capillary structures has application in determining the surface tension-driven flow rates of liquid fuel in propellant management devices in zero-gravity...
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6807494 |
Sewer flow monitoring method and system
A method and system for monitoring and analyzing flow in a sewer system includes the steps of using a monitoring assembly to collect data representative of actual flow volume of a fluid substance...
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6795780 |
Fluid energy pulse test system—transient, ramp, steady state tests
In improvements to the Fluid Energy Pulse Test System, apparatus and methods regulate high-pressure, high-fluid-flow-rate energy pulses to generate temperature-controlled transient, ramp,...
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6789024 |
Flow calculation system
A microprocessor based flow meter establishes a series of pump on and off time intervals. Using previously entered flow rate information, the meter establishes quantities of flow during each...
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6778917 |
Method for driving an electronic metering system and a metering system for carrying out the method
A method for operating an electronic metering system with an electronic hand metering device which includes an electrical drive, at least one displacement device such as a piston drivable by the...
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6778927 |
System and method of obtaining measuring characteristic correction factors for respiratory flow measuring device using static pressure difference
The present invention relates to a system ( 1 ) for obtaining measuring characteristic correction factors for a respiratory flow measuring device ( 50 ) using a differential pressure difference....
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6768950 |
Remote Coriolis flowmeter sizing and ordering system
A system that provides remote ordering for a Coriolis flowmeter. The system is provided by a server. The server begins by receiving input flow stream parameters from a remote client computer. The...
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6766276 |
Method and device for detecting a dysfunction of an ulatrasonic flowmeter
A method for detecting malfunctions in a flowmeter includes the measuring of the receive signal V IN output by a transducer. A characteristic of the receive signal is compared to a predetermined...
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6759969 |
Fiberoptic transceiver system
A fiberoptic transceiver system for use in an industrial paint spraying apparatus where analog information from flow sensors in the flow meter on the spray head is converted to a single channel...
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6757630 |
Integrated systems for testing and certifying the physical, functional, and electrical performance of IV pumps
An integrated system for certifying the safety and efficacy of intravenous (“IV”) pumps is provided wherein a test station having a first component in liquid flow communication with a pump to...
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6754595 |
Index ranking systems and methods for monitoring air pressure and flow
Systems and methods for monitoring the pressurization performance of a cable network, such as a telecommnunications cable network, including monitoring a plurality of pressurization sensors,...
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6745104 |
Fraud detection through general inference
A fraud detection system within a fuel dispenser includes the ability to measure the amount of fuel dispensed through the fuel dispenser. The measurement is compared to a value independently...
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6745135 |
Majority component proportion determination of a fluid using a coriolis flowmeter
A system, method, and software are disclosed that determine a proportion of a majority component of a fluid that is flowing through a Coriolis flowmeter. Circuitry receives pickoff signals and a...
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6741942 |
Free-flow fluid measurement meter
Apparatus for measuring a liquid's flow rate which includes a housing, a set of electrical sensors and a processing apparatus. The housing includes a separation wall which divides the housing into...
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6725131 |
System and method for controlling hydraulic flow
A method is provided for controlling hydraulic flow through a valve in fluid communication with a pump and a hydraulic actuator. The method includes monitoring load pressure of the valve, and...
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6725166 |
Flow pickup circuit
A flow pickup circuit for receiving a flow signal from a flow sensor and providing a flow indicator signal corresponding to flow characteristics through the flow sensor includes an inner bridge...
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6721666 |
Automatic meter reader
This invention operates is an adaptation to chart recorders and indicating instruments as a means to detect and store the pen or indicator positions. The method used to capture the information...
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6714878 |
System and method for a digital mass flow controller
A method for controlling the gas flow within a digital mass flow controller. The method calculates a digitally enhanced flow rate signal that more accurately represents an actual flow rate through...
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6711507 |
Compressed air monitor system for monitoring leakage of compressed air in compressed air circuit
A flow meter is installed in a supply line of compressed air connected with air-driven devices in a compressed air circuit and measures a flow rate of compressed air in the supply line. A monitor...
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6704666 |
Determining properties of a flow tube and of a fluid flowing through a flow tube of a coriolis flowmeter
A process is disclosed for determining properties of a flow tube and of a fluid flowing through the flow tube. One example of such a property is the density of the fluid flowing through the flow...
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6704667 |
Real time mass flow control system with interlock
An interlock controller provides real time monitoring of the flow of gases or fluids into a semiconductor processing chamber and interrupts the flow when the peak flow exceeds a predetermined...
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6704668 |
Modular monitoring and protection system with open communication backbone
A monitoring and protection system is provided which is highly modular and expandable. The system is based upon individual monitoring modules which may be associated with one another in groups at...
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6701223 |
Method and apparatus for determining optimal control settings of a pipeline
Pipelines are controlled by specifying operations along them. Control specifies sequential control values defining operations at each station to control the pipeline state. The time-dependent state...
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6697743 |
Apparatus for measuring intake air flow of internal combustion engine
An apparatus for measuring an intake air flow of an internal combustion engine, wherein presence of a backflow is determined from a waveform of the electric signal of flow detecting unit. If a...
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6697742 |
Method and apparatus for testing electromagnetic flowmeters
An electromagnetic flowmeter is tested and calibrated in situ by measuring the impedance of the drive coil, and the isolation to ground impedance of the coil and of the flowmeter sensor electrodes....
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6694279 |
Methods, apparatus, and computer program products for determining structural motion using mode selective filtering
Movement of a structure, such a conduit of a Coriolis mass flowmeter, is estimated. A plurality of motion signals representing motion of the structure are mode selective filtered to generate a...
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6692535 |
Method and apparatus using turbine flow meter to measure fluid flow therethrough without reference to viscosity
A method and appartus for measuring volumetric flow through a duct without knowing the viscosity of the fluid is provided. A dual rotor turbine volumetric flow meter is operably connected to a duct...
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6687626 |
Apparatus for measuring distribution of flow rates of flowable medium
A flux distribution measuring apparatus measures distribution of flow rates of a flowable medium. The measuring apparatus includes thin metal wire(s) for scanning a flowable medium and lead wires...
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6684174 |
Wind gauge
A wind gauge apparatus and method. An illustrative embodiment includes a microphone positioned to engage wind pressure from a first relative direction and a controller coupled to receive an audio...
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6681189 |
Method and system for determining flow rates and/or fluid density in single and multiple-phase flows utilizing discharge coefficient relationships
According to one embodiment of the invention, a computerized method for determining a flow rate of a fluid flowing through a conduit having an obstruction flow meter includes receiving a β ratio...
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6678624 |
Apparatus, methods and computer program products for generating mass flow calibration factors using a normal modal dynamic characterization of a material-containing conduit
A calibration factor for a sensor including a material-containing conduit and a plurality of motion transducers operative to generate motion signals representing motion of the conduit is determined...
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6675110 |
Testing valve assemblies
A method of determining flow through a valve includes determining a first differential pressure across the valve. The valve is bypassed and a second differential pressure is determined across the...
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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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6675073 |
System and method for tuning the weight control of a flow of material
The present invention includes a system and method for fine tuning the process of controlling the weight of a flow of material, such as a rod of material in a production facility. A control...
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6671583 |
Vacuum system information network
A vacuum network control system includes a vacuum network controller hub communicating over a public high-speed network, where the hub has an address registered with respect to the non-local...
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6662120 |
Excitation circuits for coriolis mass flowmeters
Such an excitation circuit is intended for use in a Coriolis mass flowmeter which is connected to, is powered exclusively from, and outputs a measurement signal exclusively via, a two-wire process...
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6662117 |
Particle analyzer and particle classifying method
A particle analyzer includes a detecting section for detecting at least two kinds of parameters from a plurality of particles included in a sample, the two kinds of parameters representing...
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6662121 |
Thermal fluid sensor, fluid discriminating apparatus and method, flow sensor, and flow rate measuring apparatus and method
When a micro-heater heats fluid using an external driving current, an upstream thermopile 8 detects the temperature of the fluid before it is heated to produce a first temperature detected signal...
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6643610 |
Process transmitter with orthogonal-polynomial fitting
A transmitter for measuring a process variable includes a sensor configured to couple to a process and having a sensor output related to the process variable. A microprocessor coupled to the sensor...
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6622096 |
Method of setting flow coefficient and flow meter using the same
The present invention relates to a method of setting a flow coefficient used in a flow meter for measuring a flow rate of a fluid, and a flow meter having the flow coefficient which is set by the...
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6618680 |
Signal processor apparatus for rotating water current meter
The present invention comprises a hand held, battery operated water current velocity measuring device designed for use with contact closure water current meters. The apparatus differentiates and...
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6615145 |
Determination of particle character in a vertically flowing fluid
An apparatus and method for determining particle character moving with a vertical fluid flow towards a multiplet of calibrated sediment traps. The number N of measuring locations, which coincides...
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6611769 |
Meter register with programming and data port and meter input resolution factor
An electronic, programmable meter register ( 10 ) includes an input section ( 18, 19, 30 ) for generating pulses in response to units of flow in a water meter, a stored control program ( 46 ), a...
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6611770 |
Liquid conduction indication in a magnetic flowmeter
A magnetic flowmeter with an improved liquid conduction indication has a flowtube assembly with a passage for liquid flow and has an electromagnet mounted outside the passage that provides ramped...
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6606916 |
Timed window ultrasonic gas meter with nose cone
An ultrasonic fluid flow meter ( 50 ) measures the flow speed of a fluid by measuring the time, in each direction, for a sequence of ultrasonic pulses ( 55 ) to pass between two transducers ( 54 A,...
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