Matches 1 - 48 out of 48


Match Document Document Title
8199611 Deriving tilt-corrected seismic data in a multi-axis seismic sensor module  
A seismic sensor module includes sensing elements arranged in a plurality of axes to detect seismic signals in a plurality of respective directions, and a processor to receive data from the...
7552614 System and method for determining functionality or accuracy of a sensor  
A system and method for determining functionality and accuracy of a sensor such that monitoring of a sensor is possible without the provision of redundant sensors. Briefly described, one...
7363182 System and method for mass flow detection device calibration  
Systems and methods for correcting measurements of fluid flow using device-specific information to compensate for differences between individual devices of the same design. In one embodiment, a...
7249486 Method for monitoring a sensor  
The present invention concerns a method of monitoring a sensor for sensing the flow speed of a medium. The invention further concerns an apparatus for carrying out that method. In order to be able...
7212953 Portable diagnostic analysis of gas meter and electronic corrector  
Systems and associated apparatus, methods, and computer program products, relate to a small, portable diagnostic instrument for checking the correct operation of a gas metering system that include...
7155956 Medium, method and system for proving a turbine meter  
A novel medium, method and system for proving a turbine meter for use with natural gas. The novel test medium is a gas having the following characteristics: (a) Density>2√óDensity of Natural Gas;...
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...
6823275 Fault tolerant apparatus and method for determining a revolution rate of a gear  
An apparatus comprises an edge detector, a memory and a pulse-input engine. The edge detector is configured to receive an input signal and a counter signal. The edge detector is further configured...
6505134 Method of calibrating a single meter blending fuel dispensing system  
A single meter blending fuel dispensing system utilizing a pair of proportional flow control valves each having a pressure transducer positioned aft of the valve flow control mechanism. A computer...
6474132 Precalibrated flow meter  
Precalibrated flow meters which include electronic modules that contain, in a storage memory thereof, a plurality of calibration factors that correspond to a plurality of different fluids. The...
6367306 Compensating method and device for instrumental error in positive displacement type flowmeter  
An instrumental error compensating method has super precision measurement function, even in a condition having only micro temperature changes, by utilizing a computer which compensates for flow...
6092410 Meter calibration and drift compensation device  
The present invention relates to a system and a method for compensating for predicted meter drift is a positive displacement meter comprising a pulser connected to the meter for generating a pulse...
6082169 Method for detecting water meter malfunction, calculating the duration thereof, and device for implementing same  
A method for detecting water meter malfunction and calculating the duration thereof, includes measuring the average flow rate for each volume unit detected after the preceding volume unit,...
6034501 Device for driving stepper motor type measuring instrument  
A measure obtained by a counting circuit (2) is converted by a processing circuit (3) to an indication angle signal at a predetermined conversion cycle. A smoothing circuit (4) comprises a...
5748504 Calibration method for use with ultrasonic flowmeters  
In a fluid flow measuring apparatus, a flow of fluid is established through the apparatus at a first known flow rate. For each of two states of the apparatus, electrical drive pulses are applied...
5455781 Apparatus and method for determining the measurement accuracy of electronic gas meters  
An apparatus and method for automatically determining the measurement accuracy of an uncalibrated field fluid flow meter by comparing its fluid flow volume, measurement, Vf, to a fluid flow volume...
5111683 Calibration method for a pulse response flowmeter  
The invention relates to a method of and apparatus for calibrating flowmeters which may be employed in a dialysis liquid circuit. The invention includes the steps of measuring during a data...
4953386 Method and apparatus for proving electronic gas meters  
A method and apparatus for proving an electronic gas meter and the like that includes counting the number of pulses provided by an encoder associated with a bell prover to define a volume of test...
4881186 Apparatus for measuring injection speed of die cast machines  
In apparatus for measuring injection speed of a die cast machine, there are provided a pulse generator responsive to a movement of an injection plunger for producing a pulse signal, a detector for...
4831866 Automatic meter proving and calibration system  
An apparatus for and method of calibrating a fluid meter having an output transformable into a series of digital pulses, where each pulse represents a certain volume of liquid through the meter...
4762012 Universal upstream-downstream flowmeter tester  
A circuit simulating the electrical signal response of a flowing liquid whose velocity is to be measured by an upstream-downstream flowmeter. The circuit takes the electrical flowmeter transmit...
4692933 Electro-mechanical integrator  
An electronic integrator for integrating a linear voltage signal utilizes a voltage-to-frequency converter for converting the voltage to input frequency. A binary counter counts pulses of the...
4509373 Calibration circuit for ultrasonic flowmeter  
A calibration circuit for an ultrasonic flowmeter of the type described in U.S. Pat. No. 3,981,191 wherein a frequency counted variable delay is used to simulate flow. A stable gated oscillator is...
4502319 Multi-tester for water treatment metering apparatus  
A testing appliance (10) is provided for a metering apparatus (1), the latter being used, in particular, for the aftertreatment of water. The testing appliance is designed in a manner such that it...
4501972 Float detection system  
The specification discloses a method and apparatus for detecting the position of the float in a glass tube flow meter, and determining the distance of said float from a reference line on the glass...
4467657 Device for measuring the amount of flow and/or the speed of flow of a medium  
A device for measuring the amount flowing through and/or the speed of flow of a medium which is pumped by means of a pump unit. The device comprises a drive motor for producing the working cycles...
4389886 Calibrating unit  
A calibrating unit for calibrating infusion pumps and the like includes a drop sensor which operates to generate electrical signals in response to the passage of drops through an intravenous set....
4346705 Metering apparatus having rate compensation circuit  
A system for infusing fluids into the human body includes a peristaltic-type metering apparatus which controls the flow of fluid through a disposable administration set at a preset rate. A...
4331262 Calibratable automatic fluid dispenser  
A fluid dispenser pumps fluid in increments. The dispenser includes a computer which, on command, determines the volume of fluid dispensed per increment, the determined value constituting a...
4120032 Methods and systems for use with pulse train circuitry  
Disclosed are apparatus and methods for determining the actual, standardized volume of fluid flowing in a flowline. A flow meter in the line measures volume and provides the measured value in the...
4073304 System for calibrating a pump  
A system for calibrating the flow rate of a pump, and especially designed for a pump which is normally used in a system to blend highly vaporous and odorous fluids, in which the blending fluid...
3940971 System for testing flow meters  
Liquid is supplied to a meter test stand at a uniform pressure, and the flow through the meters on the stand automatically is directed to each of three receptacles in sequence at three different...
3937048 Methods and apparatus for proving gas meters  
There is disclosed methods and apparatus for proving fluid meters, particularly gas meters of the positive displacement, diaphragm-operated type in which the number of cycles of operations of the...
3933038 Volumetric determination of contaminated liquid or gaseous media  
The volume of liquid or gaseous media contaminated with solids is measured discontinuously. To this end, an accurately measured volume of a pure medium is passed through a measuring device...
3924612 Spirometer apparatus and method  
A spirometer using an open-end flow pneumotach with a flow restriction to create a pressure elevation in proportion to flow. A pressure sensitive transducer creates an electrical signal in...
3888106 Testing apparatus for flow measuring devices  
Apparatus for determining whether fluid flow measuring devices are capable of measuring flow with acceptable accuracy. Provision is made for circulating a fluid through the flow measuring device...
3711689 PIPELINE MONITORING SYSTEM  
There is disclosed herein an electronic monitoring system for pipelines and the like utilizing counting techniques for determining the difference between fluid volume supplied into a pipeline and...
3538741 FLUID CONTROL SYSTEM  
3344667 Flow monitor  
3324707 Method and apparatus for calibrating flow meters  
3187551 Automatic meter prover  
3138013 System for calibrating pipe line flow meters  
3092991 Meter calibration  
3021703 Proving meters  
2958218 Automatic custody transfer of crude oil  
2931216 System of testing gas meters  
2860511 Fluid quantity measuring system  
2854845 Portable gas meter prover  

Matches 1 - 48 out of 48