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7584063 |
Multivariable transmitter and computation processing method of the same
A multivariable transmitter has a microprocessor for executing a computation processing task such as calculating a differential pressure value and static pressure with using a plurality of physical...
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7561976 |
Method and system for monitoring the performance of a pipe containing a pressurised fluid
A method and system for monitoring the performance of a pipe containing a pressurised fluid. The pipe is made up of at least one current zone and singular zones. A predetermined number of singular...
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7555947 |
Air pressure sensor
An air pressure sensor capable of measuring air pressure highly accurately with a simple configuration is provided. The sensor includes: a sealed case with a sealed space formed therein; a first...
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7539560 |
Control valve and positioner diagnostics
Valve positioning systems may include one or more components and a controller. Components may include one or more electric-to-pressure output converters, relays, gas supplies, and/or actuators. A...
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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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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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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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7478009 |
Apparatus and method for evaluating a hypertonic condition
An apparatus and method for evaluating a hypertonic condition in a movable extremity are described. The apparatus includes an accelerometer, a gyroscope, a force sensor and a data communication...
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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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7406387 |
Apparatus and method for detecting blockage of impulse lines
A detecting apparatus includes the following units. A pressure detecting unit detects in time series higher and lower static pressures and a differential pressure. Fluctuation calculating units...
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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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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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7333899 |
Fluid flow rate sensor and method of operation
A thermo-anemometer-type fluid flow rate sensor design and a method for its operation that overcome the response time limitations of prior known fluid flow rate sensors is disclosed. The fluid flow...
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7321833 |
Fluid flow rate sensor
A valve body defines an inlet, an outlet, a valving cavity disposed between the inlet and outlet and a valving surface between the inlet and the outlet. A valve is moveable to a position away from...
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7310582 |
Electromagnetic flow meter with reduced power consumption and reduced exciting current
An electromagnetic flow meter of a switching control system in which a DC voltage is applied to an exciting coil via switching elements, a direction of an exciting current flowing through the...
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7295934 |
Flow meter performance monitoring system
Apparatus and associated systems, methods and computer program products relate to monitoring the performance of an operating gas meter by automatic and substantially continuous differential...
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7266427 |
Intelligent valve flow linearization
A feed-forward flow controller is designed to calculate a target valve position from a target flow. Correction is made for liquid or gas pressure drop across the valve and for the valve flow...
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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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7254493 |
Pressure transducer based fluid velocity sensor
The invention consists of a pressure transducer based air velocity sensor that has been optimized for use in metal ducts. The fluid flow velocity is determined by measuring the propagation delay of...
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7225085 |
Precision gas flow meter
A precision gas flow meter that is capable of measuring small flow rates of gasses precisely in the range of 0.01 to 10 L per minute. The meter is designed to measure the gas flow in small volume...
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7219031 |
Rumble strip responsive systems: discrimination of types of rumble strips
There are basically two types of rumble strips: shoulder/center rumble strips and in-lane rumble strips. In an embodiment of the invention, there is a device that automatically identifies the type...
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7191072 |
Pressure and temperature measurement of a piezo-resistive device using differential channel of a ratiometric analog to digital converter
A temperature and pressure measuring circuit is provided. The circuit comprises an uncompensated pressure transducer, an analog-to-digital converter, a reference resistive device, and first and...
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7171316 |
Flow assurance monitoring
In one oil production operation, a fluid conduit transports a fluid from a wellhead to a floating production platform. To prevent an occurrence of formations that obstruct the flow of fluid in the...
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7167773 |
Process and apparatus for improving and controlling the curing of natural and synthetic moldable compounds
A process for curing a moldable compound under a plurality of curing conditions by: (1) obtaining time dependent data streams of dielectric or impedance values from a plurality of sensors...
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7158905 |
Field replaceable sensor module and methods of use thereof
A field replaceable sensor module having a housing, that is capable of being ready connected and disconnected to a multipurpose device The housing includes one or more input ports and one or more...
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7155319 |
Closed loop control on liquid delivery system ECP slim cell
A method for controlling liquid delivery in a processing chamber. The method includes generating an analog input (AI) signal proportional to a process variable and calculating an analog output (AO)...
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7127377 |
Monitoring systems and methods thereof
A monitoring method to monitor efficiency of air-blowing devices in a ventilation system. First, an optimal system curve is provided. Then, the air-blowing devices are activated with a first...
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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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7096093 |
Intelligent valve flow linearization
A feed-forward flow controller is designed to calculate a target valve position from a target flow. Correction is made for liquid or gas pressure drop across the valve and for the valve flow...
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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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7065456 |
Tool monitoring system and method
A transducer is provided in communication with a power supply of a powered tool for detecting power consumption associated with powered and non-powered operational states and generating a power...
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7054765 |
Measuring transducer
A measuring transducer having a sensor ( 2 ) transforming a measured parameter, recorded by the sensor, into an electrical sensor signal ( 3 ), a signal processing unit ( 6 ), adapted to convert...
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7027935 |
Sample dispensing apparatus and automatic analyzer using the same
A sample dispensing apparatus is realized which can detect a dispensing abnormality occurred during the sample dispensing operation regardless of the type and the extent of the abnormality. A...
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7024318 |
Device for measuring the tire pressure of any wheel on a motor vehicle and method for operating the device
In a tire pressure measurement system a display indicating whether a tire ( 1 ) has an inadmissible or incorrect tire pressure and which tire ( 1 ) has inadequate tire pressure, is only activated...
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6973375 |
System and method for flow monitoring and control
One embodiment of the present invention can include a flow control device comprising an inlet, an outlet, a pressure loss element between the inlet and outlet, a pressure sensor located upstream...
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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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6907383 |
Flow diagnostic system
A flow diagnostic system for a flow sensing element and impulse lines. A pressure transmitter coupled to the impulse lines provides digital pressure data to a control system. The control system...
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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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6895351 |
Regulator flow measurement apparatus
A method and an apparatus for determining fluid flow through a pressure regulator is disclosed. The pressure regulator is disposed in a fluid flow passage and has a throttling element moveable in...
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6876933 |
Method and an apparatus for estimating an amount of drawn air of a cylinder of an internal-combustion engine and a method and an apparatus for controlling the amount
A method and an apparatus for estimating an amount of drawn air of a cylinder and a method and an apparatus for controlling the amount of drawn air, are presented. An estimated value of an amount...
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6832620 |
Apparatus for dosing lubricant into an air line
An apparatus for dosing lubricant into a compressed air flow includes a lubricant container, a pneumatically operated lubricant pump, an injection channel, a non-return valve interposed between the...
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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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6785616 |
Method of determining if deterioration in structural integrity of a pressure vessel, a pressure vessel, and a structural integrity testing apparatus therefor
A method for determining if deterioration in structural integrity of a pressure vessel, having both sensor and oscillator affixed to or embedded in said exterior surface thereof. An electrical...
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6754611 |
Failure diagnostic system for atmospheric pressure detecting device
There is provided a failure diagnostic system for an atmospheric pressure detecting device, which is capable of rationally determining whether that device has failed or not and is capable of...
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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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6741955 |
System and method for leak rate testing during adiabatic cooling
A system for determining a leak rate of a device during an adiabatic cooling phase is provided. The system includes a leak rate training system receiving leak rate calibration data, such as...
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6735541 |
Process unit monitoring program
The present invention is a method to monitor and analyze the performance of a hydrocarbon-processing unit such as pipestill or hydrocracker unit. The invention includes the steps of collecting...
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6725167 |
Flow measurement module and method
A flow measurement module is adapted to operate in conjunction with a control valve assembly to measure a flow rate of a fluid though a flow passage regulated by the control valve assembly. The...
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