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7611478 |
Continuous volume detection for a reservoir in a fluid circuit of a medical system
Continuous volume detection for a reservoir in a fluid circuit of a medical system is described. Volume detection is based on a pressure measurement that is manipulated via application of fluid...
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7610159 |
Multivariable mass flow rate transmitter system and flow rate setting tool
A system includes a multivariable mass flow rate transmitter having a mass flow rate computation section, and a flow rate setting tool which performs setup of the mass flow rate computation...
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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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7593790 |
Method for designing aerosol spray dispensers
Disclosed is a method of designing an aerosol spray dispensing system. One or more to-be-determined attributes of the spray dispenser system are identified, including properties of a fluid to be...
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7587290 |
High water cut well measurements using heuristic salinity determination
Methods and systems for determining the amount of water in a high water cut crude petroleum flow stream exiting from a hydrocarbon well. Electrical property measurements such as permittivity...
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7587288 |
Condition discriminating apparatus for liquid reducing agent
Each of a first and a second number of times is counted, in which the first number of times indicates a condition where a concentration of a liquid reducing agent indirectly measured based on a...
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7584651 |
Procedure to diagnose a leak in the fuel tank in a fuel tank ventilation system
A method of diagnosing a fuel tank leak in a fuel tank ventilation system, comprising a fuel tank, an accumulator for fuel vapors and a fuel tank ventilation valve opening out into an intake...
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7584073 |
Method for checking the appropriateness of a mass value of an aircraft
A method for checking the appropriateness of an aircraft ground mass value M s , communicated to a flight management system of the aircraft by a crew member of the aircraft or by an airline...
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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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7580797 |
Subsurface layer and reservoir parameter measurements
Method and system for determining a characteristic of a subsurface formation traversed by a wellbore. A fluid flow rate in the wellbore is established, the flow being associated with fluid movement...
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7570157 |
Method and apparatus for adjusting the pressure sensor measurement range in a tire pressure monitoring system
A tire pressure monitoring system ( 12 ) for a vehicle ( 10 ) has a pressure sensor circuit ( 16 A) that includes an ECU ( 95 ), a transmitter/receiver ( 90 ), and pressure sensor ( 94 ). A method...
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7542866 |
Threshold setting for a radar level transmitter
Disclosed is a method and apparatus for setting threshold values for use by a radar level transmitter to detect reflected wave pulses corresponding to portions of a transmitted microwave pulse...
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7536264 |
Balancing net inventory using a dynamic expansion coefficient of liquid product relative to temperature changes
Disclosed are methods, systems, and computer program products for balancing net inventory using a dynamic expansion coefficient of liquid product relative to the temperature changes with density....
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7529633 |
Application of carbon nanotube hold-off voltage for determining gas composition
Method and system for determining chemical composition of a single-component or multiple-component gas, using a discharge holdoff mechanism. A voltage difference V between two spaced apart...
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7526374 |
Ethanol compensated fuel density for fuel consumed calculation
An engine control module determining an alcohol compensated fuel consumption value includes an alcohol percent module that determines an alcohol percent in fuel and a fuel mass module that...
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7519483 |
Unsteady flow meter
The invention makes it possible to measure, in real time, the flow of a fluid that is incompressible while having an unsteady flow. The pressure measuring system is primarily comprised of a...
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7516650 |
Lubricity measurement using MEMs sensor
A system that facilitates in situ determination of lubricity in a fluid comprises a multi-element sensor positioned within a machine, wherein the multi-element sensor obtains data regarding a...
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7516034 |
Magnetic flow transmitter having multiple flowtube data sets
A magnetic flow transmitter includes a calibration converter that performs a calibration calculation routine to produce a calibration constant that couples to a flow converter. A data set input...
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7509219 |
Correcting frequency in flowtube measurements
Techniques are described for accurately measuring a density or other parameter of a fluid traveling through a vibratable conduit, using a flowmeter. The techniques involve obtaining measurements of...
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7499814 |
Apparatus for detecting concentration and remaining amount of liquid reducing agent
In a storage tank for storing a liquid reducing agent, a sensor for outputting a signal related to a concentration and a remaining amount of the liquid reducing agent based on a heat transfer...
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7487052 |
State detection device
An exciting unit, applies, to a fluid, a time-changing magnetic field asymmetrical to a plane (PLN). An electrode is placed on the plane in a measuring tube, and detects a resultant electromotive...
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7484426 |
Multiphasic overreading correction in a process variable transmitter
A process variable transmitter is operably coupleable to a source of multiphasic process fluid flow. The process variable transmitter is configured to obtain information relative to temperature, a...
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7483795 |
Pressure and temperature compensation algorithm for use with a piezo-resistive strain gauge type pressure sensor
A method of determining a temperature and a pressure in a tank is provided. The method comprises the steps of obtaining sensor data and calculating coefficients. Then, a bridge resistance is...
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7481160 |
System and method for controlling compactor systems
An integrated system for: complete waste compactor operational control; remote fullness monitoring; and, remote performance and maintenance diagnostics. Such diagnostic information is transferred...
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7477997 |
Method for ascertaining interferants in small liquid samples in an automated clinical analyzer
A liquid aspiration method which includes a method for determining the quality of the aspirated sample through mathematical analysis of the standard deviation of the residuals of the linear...
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7477996 |
Integrated absolute and differential pressure transducer
A method and apparatus integrates differential pressure measurements and absolute pressure measurements to provide a continuous absolute pressure profile over a wide range of pressures on a single...
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7474971 |
Method and apparatus for characterising multiphase fluid mixtures
An example method for determining at least one characteristic of a multiphase fluid includes applying alternating energy of predetermined amplitude to a portion of a multiphase fluid and measuring...
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7471208 |
Process for continuously monitoring a fluid storage system using synchronized sensors
A process for monitoring a fluid storage system using a vessel for storing the fluid and a detection apparatus using synchronized sensors for monitoring and measuring state properties of the fluid...
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7469188 |
Method and flow meter for determining the flow rate of a multiphase fluid
Method and apparatus for determining the flow rates and/or composition of a fluid comprising a multi-component mixture of a gas and at least one liquid in a pipe. Electromagnetic loss and phase...
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7467027 |
Compensation for thermal siphoning in mass flow controllers
A thermal mass flow controller for controlling flow rate of a fluid includes a conduit configured to receive the fluid, a pressure sensor that measures the pressure of the fluid as the fluid flows...
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7455099 |
Heat exchanger performance monitoring and analysis method and system
A technique is disclosed for evaluating and monitoring performance of a heat exchanger system. Operating parameters of the system are monitored and fouling factors for heat transfer surfaces of the...
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7447600 |
Fluid flow measuring and proportional fluid flow control device
Embodiments disclosed herein provide restrictive-flow flow measurement devices, valve improvements and signal control devices and processes that control the flow of liquids, including control...
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7447599 |
Method and system for generating an uncertainty value
A method and system for generating an uncertainty value. At least some of the illustrative embodiments are systems comprising a device in fluid communication with a conduit, and a flow computer...
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7444246 |
System and method for determining fluctuating pressure loading on a component in a reactor steam dome
A system and method for accurately estimating the fluctuating pressure loads on components, such as steam dryers, within a BWR steam dome using pressure time history measurements made on components...
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7434477 |
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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7430500 |
Method and device for numerical analysis of flow field of incompressible viscous fluid, directly using V-CAD data
A method including: a dividing step (A) of dividing external data into a plurality of cells ( 13 ) having boundaries orthogonal to each other, the external data including boundary data of an object...
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7424399 |
Systems and methods for fluid quality sensing, data sharing and data visualization
A service provider receives fluid test data generated from multiple different entities and permits authorized users affiliated with the different entities, as well as others, to visualize...
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7424376 |
Precise pressure measurement by vibrating an oval conduit along different cross-sectional axes
A conduit ( 106 ), with geometry designed to enhance pressure sensitivity, is vibrated at resonance in two modes along different cross-sectional axes (a, b). Measuring the change in the frequency...
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7424346 |
Apparatus and method for pressure fluctuation insensitive mass flow control
A mass flow controller includes a thermal mass flow sensor in combination with a pressure sensor to provide a mass flow controller that is relatively insensitive to fluctuations in input pressure....
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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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7415366 |
Electronic field device with a sensor unit for capacitive level measurement in a container
A field device electronics with a sensor unit for capacitive fill level measurements in a container, wherein the field device electronics is connected over appropriate signal paths with the sensor...
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7409871 |
Mass flow meter or controller with inclination sensor
A thermal mass flow meter associated with an inclination sensor that detects an angle of inclination of at least one portion of a thermal mass flow sensor relative to at least one reference axis....
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7403862 |
Method for operating a process-measuring device
The process measuring device comprises 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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7392158 |
Drive unit for compressor and refrigerator
An instantaneous current and instantaneous voltage of a three-phase coil of a brushless DC motor are detected, and the internal condition of a compressor is predicted from these detection values....
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7389188 |
Fluid-structure coupled numerical simulation method and program for fluid-structure coupled numerical simulation storage device
A fluid-structure coupled numerical simulation method is provided. The method uses a finite volume method employing an orthogonal mesh and a computer and memory setting a solid area based on a...
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7383150 |
Diving computer with programmable display
A diving computer is provided. The diving computer includes a computer connected to a dot matrix screen to display information concerning a dive. The computer has an interface to an external...
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7379828 |
Method and apparatus for determining a quality metric of a measurement of a fluid parameter
An apparatus for measuring a parameter of a fluid passing through a pipe includes a spatial array of at least two sensors disposed at different axial locations along the pipe. Each of the sensors...
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7373266 |
Sensor calibration using selectively disconnected temperature
Calibration of a sensor circuit that includes a sensor, a temperature measurement circuit and a signal processing path. The sensor senses a physical parameter to be measured and generates an...
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7364563 |
Continuous volume detection for a flexible venous reservoir in a cardiopulmonary bypass circuit
A continuous volume detection system for a flexible venous reservoir in a cardiopulmonary bypass circuit is described. The volume detection system is based on a pressure measurement that is...
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7363189 |
Method and device for detecting decompression of tires, and program for judging decompression of tires
A detection method of reducing the air pressure of tires based on the rotational speed of wheels mounted on a vehicle. The method includes steps of: determining the rotational speed of each wheel,...
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