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Match Document Document Title
7891246 Tracking vibrations in a pipeline network  
A vibration recorder for detecting leaks in a pipeline network includes a sensor operable to receive vibration signals from a pipeline network, and a communication port connected to an automatic...
7657392 Method and apparatus for detecting and characterizing particles in a multiphase fluid  
A method and apparatus for measuring the size and distribution of particles within a multiphase fluid flowing within a pipe is provided, wherein the apparatus includes at least one metering device...
7535235 Integrated digital thermal air flow sensor  
An air flow sensor includes a sensor element and a microcontroller, employing a PWM signal to drive the sensor element. Signals from the sensor element are processed by the microcontroller inside...
7509753 Apparatus for indicating oil temperature and oil level within an oil reservoir  
A dipstick that measures and externally indicates the temperature and level of a fluid within a fluid reservoir. For example, in one embodiment the dipstick measures and externally indicates the...
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...
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...
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...
6999901 In-place dynamically re-sizeable persistent historical database  
The specification discloses a method of maintaining a historical database of information. The method describes up to eleven segments, each segment corresponding possibly to a different data...
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...
6560550 Device and method for indirect measurement of physical property of rock and soil  
The present invention relates to a device and method for measurement of tensile strength of materials, especially for indirectly measuring the tensile strength of weak rock and hard soil. The...
6421617 Interface including fluid flow measurement for use in determining an intention of, or an effect produced by, an animate object  
Fluid flow can be measured using a multiplicity of sensors in a manner that enables acquisition of detailed information regarding the fluid flow. In particular, the invention can advantageously be...
6089102 Apparatus for measuring the volume of flowing media and a corresponding method  
An apparatus and a method of measuring the volume of flowing media, especially of fuel, by means of a screw spindle volumeter, the method comprising the following steps: detecting the revolutions...
6035721 Process for compensating for the incorrect operation of measuring devices caused by external influences  
PCT No. PCT/DE96/01657 Sec. 371 Date Jun. 11, 1998 Sec. 102(e) Date Jun. 11, 1998 PCT Filed Aug. 30, 1996 PCT Pub. No. WO97/09587 PCT Pub. Date Mar. 13, 1997A process for compensating for an...
5922969 Method and apparatus for measuring the volume of flowing liquids  
A method for measuring the volume of flowing liquids under avoidance of measuring errors owing to undesired high gaseous content, wherein the gaseous content of the liquid flowing through a...
5835884 Method of determining a characteristic of a fluid  
A method of determining a characteristic of a fluid involves measuring a sonic transit time (102), along a non-perpendicular path, through the fluid. The sonic transit time is used to determine a...
5831175 Method and apparatus for correcting temperature variations in ultrasonic flowmeters  
A method for correcting the effect of transducer temperature variations in an ultrasonic flowmeter. The method includes the steps of providing ultrasonic transducers having resonant frequencies...
5706273 Liquid registration and control system having networked functional modules  
A liquid registration and control system (30) has an intrinsically safe (IS) fiber optic network (56) for the transmission of digital data between various modules (42, 54, 58, 146) in the system...
5687100 Vibrating tube densimeter  
A Coriolis effect densimeter which produces density output data of improved accuracy by embodying the principal that the natural frequency of a vibrating tube filled with material decreases with...
5656784 Fluid density variation compensation for fluid flow volume measurement  
A fluid density compensator for flow volume measurements utilizes a plurality of look-up calibration tables, each for a different density gas. The measurement device provides an output signal...
5562101 Portable spirometer with improved accuracy  
A spirometric measurement device includes an arrangement for computation of a dynamic BTPS correction factor, to compensate for temperature-related volume changes due to cooling of expired gas....
5501106 Inertia force flowmeter with pivotally supported vibrating conduit  
A mass flowmeter comprises at least one conduit supported by a frame structure in a relationship allowing an enhanced pivotal vibration about two mutually orthogonal pivot axes, an electromagnetic...
5495769 Multivariable transmitter  
In this invention, a multivariable transmitter providing an output representative of mass flow has a dual microprocessor structure. The first microprocessor compensates digitized process variables...
5481924 Method and apparatus for assessing and quantifying pulsation induced error in gas turbine flow meters  
A method and apparatus for identifying, quantifying and correcting turbine meter errors related to pulsation effects in a gas stream being measured. A turbine meter pulse rate output signal is...
5448919 Gas flow meter  
An improved gas flow meter which measures the time of travel of a soap film through a fixed volume to compute gas flow rate. A portable meter includes infrared sensors which detect the passing of...
5324111 Steam flow meter  
A steam flow meter provided with a steam flow rate detecting device and a steam pressure and temperature detecting device. In order to accurately maintain the heating temperature of the material...
5270960 Temperature compensation device for an angular velocity sensor  
An angular velocity sensor wherein an internal temperature of the sensor body is sensed by a temperature sensor and adjusted to be equal to a preset value; an offset value is obtained from an...
5056554 Fluid loss, damage prevention and control system  
A control system apparatus for a fluid distribution system includes a low-voltage circuit and a positive displacement disc in a throughput line such that as fluid displaces the positive...
5046369 Compensated turbine flowmeter  
A temperature and pressure compensated gas flowmeter is provided which reads uncompensated line parameters and outputs a frequency signal representative of the gas flow rate referenced to standard...
5040415 Nonintrusive flow sensing system  
A nonintrusive flow sensing system (10) and related method are provided for monitoring fluid flow within a conduit (14), particularly such as a liquid flow (12). The sensing system (10) includes...
5003810 Fluid meter  
A fluid meter comprises at least three sensors each having an output dependent on a respective characteristic of the fluid to be monitored, circuitry to combine the outputs of two of the sensors...
4976153 Karman vortex flow meter  
In a Karman vortex flow meter, the variation of pressure caused near both sides of a Karman vortex forming unit inserted into the stream of fluid is applied to an oscillating member which is...
4969365 Method and apparatus for measuring the volume of a flowing liquid  
In a method for measuring the volume of a liquid flow through a measuring chamber (2) during a measuring period, a pulse generator (12) is caused to emit a number of pulses corresponding to the...
4910519 Electronic volume correctors  
To obtain better accuracy, it is known to modify the mechanical metered volume reading of the flow through a gas pipeline according to the gas laws, which incorporate the pressure and temperature...
4860594 Apparatus and method for measuring mass flow and density  
The invention utilizes a segment of thin wall tubing which has an inlet, an outlet and a central region therebetween to measure flow. The central region is provided with two zones of different...
4847794 Error compensation method for transducers having non-linear characteristics, and an assembly for carrying out said method  
A method of error compensation for transducers having non-linear characteristics is shown. A computer-supported measuring circuit is used. In a first factory alignment, the output characteristic...
4839790 Gas accident preventive unit  
A gas accident preventive unit has a memory circuit which is capable of memorizing in advance a continuous service safety time according to a consumed gas volume of gas apparatuses that are...
4835456 Cryogenic density and mass-flow measurement system  
A cryogenic density and mass-flow measurement system incorporating a high-speed microprocessor-based cryogenic fluid density instrumentation that is based on the rigorous application of the...
4829449 Method and apparatus for measuring and providing corrected gas flow  
A method and apparatus is disclosed for measuring flowing gas and at least one variable for calculating gas flow corrected to a base value of that variable. Illustratively, the measured variables...
4819183 Aircraft fuel loading management system  
A computer-controlled aircraft fuel loading management system is disclosed. The system measures fuel loading volumetrically using flow meter devices and gravimetrically using information relating...
4799169 Gas well flow instrumentation  
Gas well flow instrumentation includes a computation unit and an interrogation unit. The computation unit measures parameters of gas flow at the well head and accumulates gas flow information over...
4780834 Apparatus for measuring mass throughput of a fluid moved in a channel  
An apparatus for measuring and indicating mass throughput of a fluid moved in a channel by a processing machine includes first to fourth measurement value pickups, first to third divider stages,...
4765342 Timed drift compensation for rate volume monitor  
A drift compensating circuit cooperates with an air-pressure-to voltage transducer. The first input of a comparison circuit is connected to the transducer, while a reference voltage is connected...
4719805 Dry flow sensor with automatic speed compensation and totalizer circuit  
An ultrasonic speed sensor produces a linear voltage directly proportional to the speed of material falling through a chute and contacting a plate. A transducer coupled to the plate produces a...
4720800 Device for measuring liquid flow volume with temperature compensating  
A device for measuring the volume of flowing liquid with temperature compensation includes a device for generating a volume signal, a device for detecting the temperature of the fluid to generate...
4663977 Sonic measurement of gas flow  
A microcomputer is interfaced to a pair of probes for sending and receiving sonic signals across a flow stream of gas. The microcomputer reads phase information and determines a phase difference...
4651292 Temperature compensation of a linear sensor  
In the case of sensors having a characteristic for which the offset in the quiescent condition has a first temperature coefficient and the slope of the characteristic has a second temperature...
4584868 Apparatus for determining the supercompressibility factor of a flowing gas  
An arrangement for determining the supercompressibility factor of a flowing gas at elevated pressure includes a first meter for measuring the volume flow rate of the gas at the elevated pressure,...
4566317 Borehole flow meter  
Borehole fluid flow measuring apparatus is disclosed having a body member sized for passage through a wellbore. In a first embodiment of the invention, a thin metallic cross shaped disk is...
4520677 Solids mass flow indication with radiation  
Method and apparatus for indicating mass flow of a solid particulate material through a rotary feeder. A radiation source and detector are positioned in a manner whereby radiation flux is directed...
4448081 Method and device for the dynamic and density-independent determination of mass flow  
Method for the dynamic and density-independent determination of the mass flow of fluids. A single vortex generating bluff body is placed in the flow to generate vortices according to the principle...

Matches 1 - 50 out of 140 1 2 3 >