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7590499 |
Recording and conveying energy consumption and power information
Aspects of the invention provide apparatuses, methods, and systems that support measuring and conveying energy consumption by an electrical device. An apparatus includes an energy sensor that...
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7533682 |
System and method of providing water flow rate compensation
A system and method of flow rate compensation is provided to allow precise volume dispensing over widely varied and varying input process media pressure and flow conditions. This system utilizes...
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RE40310 |
Water purification system and method including dispensed volume sensing and control
A water purification system for purifying water flowing through a water flow path. The system includes a water purification device having an inlet and an outlet in the water flow path and at least...
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7349813 |
Fault tolerant power system architecture for fluid flow measurement systems
To provide a fault-tolerant architecture to supply electrical operating power in fluid flow measurement applications, apparatus and associated systems, computer program products, and methods...
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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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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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7248974 |
Measuring instrument and method of measuring flows
A measuring instrument whose measuring principle is based on an oscillator, for example an eddy counter, and in which there is arranged a sensor for recording a measured signal (S(t)), which can be...
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7177725 |
System for the monitor and control of rest rooms
The present invention is directed to a rest room control system including one or more sensors configured to monitor or control a function associated with the rest room. The system also includes a...
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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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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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6992278 |
Homing process
The present invention relates to a method for determining a home position by means of a home position mark on a special microfluidic device type used in a microfluidic system. The method for...
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6895342 |
Method and apparatus for non-destructive target cleanliness characterization by types of flaws sorted by size and location
A preferred, non-destructive method for characterizing sputter target cleanliness includes the steps of sequentially irradiating the test sample with sonic energy predominantly of target sputter...
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6853928 |
Two-wire electromagnetic flowmeter
In a two-wire electromagnetic flowmeter, an exciting coil generates a magnetic field in a direction perpendicular to the flowing direction of a fluid that flows through a measurement tube. A flow...
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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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6792361 |
Controller for monitoring fluid flow volume
A system, method and program for calculating a fluid flow volume within a conduit having an operably connected flow meter is disclosed. The system includes a controller having a backplane. A flow...
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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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6542833 |
Method of checking the performance of a flow cytometer instrument and apparatus for executing said method as well as a standard kit therefore
A method for correcting the settings of a flow cytometer, designed for fast sample handling and counting, allowing about 500 samples per hour to be counted. The counting is based on the provision...
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6539316 |
Phase detector
A method for detecting a phase difference between first and second input signals is provided. The method includes modulating a duty cycle of first and second intermediate signals from a first duty...
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6480792 |
Fatigue monitoring systems and methods incorporating neural networks
A fatigue monitoring system and method is disclosed in which a stream of data relating to the stresses experienced at a plurality of locations over the structure during operation is applied to a...
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6456959 |
Time interval analyzer having parallel counters
A time interval analyzer includes a trigger circuit that receives an input signal and that outputs a trigger signal at a triggering level upon occurrence of a first event. A first counter receives...
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6119110 |
Measuring device, particularly for fuel pumps
Measuring device, particularly for fuel pumps in service stations, comprising a pulser equipped with a microprocessor unit and an electronic head equipped with a microprocessor unit, in which...
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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...
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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...
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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...
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5369598 |
Flow amount measuring and controlling apparatus
A flow amount measuring and controlling apparatus which has a built-in gas meter can compute and control the flow amount used for each gas appliance by the estimation of the gas appliance generated...
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5251149 |
Electronic nutating disc flow meter
The electronic nutating disc flow meter is suitable for measuring different liquids with varying viscosities. This meter is best suited for measuring medium viscosity fluids of 10 to 450...
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5058032 |
Apparatus and method for monitoring a water treatment system
A monitoring apparatus for carrying out the method is connectable by a telephone line to a central computer system. The apparatus includes first and second input ports for receiving first and...
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5056034 |
Method and apparatus for controlling the gas content of foam materials
A foam material dispensing system is provided with a control which measures the amount of high viscosity liquid material delivered to a mixer, determines the amount of pressurized gas required to...
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5016187 |
Linearized turbine flow meter for fuel dispensers
The present invention is a linearized flow meter apparatus. A turbine flow meter measures a liquid flow and a processor corrects measurement errors and provides an adjusted number of output pulses....
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5003489 |
Totalizer apparatus for flow rate measurement devices
A totalizer apparatus, used with belt scales and other flow rate measuring devices producing output signals subject to zero drift, maintains an auxiliary totalizer register during zeroing...
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4996869 |
System for selecting valid K-factor data points based upon selected criteria
A moveable fluid barrier (16) is driven from an upstream position to a downstream position through a measuring cylinder (18) connected fluidically in series with the flowmeter (22) under test to...
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4994984 |
System and device for supplying desired liquid volumes by means of a metering pump in variable flow rate condition
For a metering vibrating pump in a variable flow rate condition, a system and a device is provided for supplying desired liquid quantities comprising a memory circuit (36) set by a supply or...
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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...
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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...
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4910682 |
Method of calibrating and determining the rotational and fluid delivery velocities of a peristaltic fluid pump
A peristaltic pump controller provides control of a positive displacement pump as either an uncalibrated or calibrated flowmeter, or a calibrated dispenser. A calibration constant is calculated,...
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4843890 |
Coriolis mass flow rate meter having an absolute frequency output
Apparatus and accompanying methods are disclosed herein for use in a Coriolis mass flow rate meter for producing an "absolute" frequency output. This method is illustratively implemented within a...
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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 a...
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4714998 |
Fuel injection system monitoring equipment
The equipment measures the volume of fluid injected by each injector of the system, and possibly also the relative pulses of the different lines, by measuring the volume of fuel, and possibly also...
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4713765 |
Control system for an engine having an air intake passage
A control system for an engine has a temperature sensitive element as part of a device for measuring the air flow in an air intake manifold to the engine. Further, a first pulse signal is...
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4700568 |
Pulse accumulator network adapted for use in a flow monitoring system
A pulse accumulator network for receiving a plurality of pulse trains wherein each pulse train includes a plurality of pulses. The pulse accumulator network accumulates the pulses in each of the...
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4672544 |
Dosimeter-radiation meter and method for measuring the dose flow of ionizing radiance
Disclosed is a dosimeter-radiation meter for measuring a dose flow of ionizing radiation including a Geiger-Mueller tube and data processing circuitry. The data processing circuitry comprises a...
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4593365 |
Apparatus and method for monitoring a plurality of flow meters
A microprocessor controlled apparatus monitors a plurality of flow meters for computing and displaying the flow rates detected by each flow meter, the total volumes accumulated through each flow...
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4567559 |
Apparatus for regulating a parameter by admitting an additive into a medium
An apparatus for regulating a parameter by admission of an additive into a medium comprises a control pulse generator which is dependent on the extent of deviation from the norm, and a regulating...
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4485449 |
Method and apparatus for the direct measurement of thermal energy transferred by a fluid medium
In the direct measurement of thermal energy transferred in heating or air conditioning installations, the difference between voltages from outflow and return flow temperature sensors is integrated...
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4414633 |
Data processing and recording apparatus
A low-cost data logging device, particularly suitable for recording gas meter performance having an electrical transducer to produce an electrical analogue of a parameter to be recorded, a...
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4409660 |
Electronic totalizer
An electronic totalizer having a non-destructive readout indicative of the time-integrated total of a process variable such as flow rate, metered by a transducer whose output signal lies within a...
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4404638 |
Flow rate measuring device
A flow rate measuring device comprising a counter for counting pulses from a flow rate detector, a detector for detecting the temperature of a fluid to be measured, a difference detector for...
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4390956 |
Apparatus for correcting measured gas flow
A gas flow volume corrector mounted on a flow meter is provided with a microprocessor which calculates a corrected volume each time the meter measures a unit volume of flowing gas. Customer...
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4340938 |
Net oil computer
Voltage pulses, whose frequency represents the flow rate of a stream of oil well production fluids, generate a train of clock pulses. Each train of clocked pulses is characterized into a non-linear...
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4254470 |
Interpolating digital data processing apparatus for correlation-type flow measurement
Interpolating apparatus is provided for more accurately determining the peak position of a function, particularly a cross-correlation function derived from two related flow signals fed to an...
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