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7035741 |
Systems and methods for accurately measuring fluid
The present invention relates to systems and methods for measuring the amount of fluid. A fluid source is in fluid communication with a measuring system. The fluid source includes a non-collapsible...
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7028561 |
Fuel dispenser fuel meter error detection device, system and method
A flow switch used in conjunction with a fuel meter in a fuel dispenser to determine when fuel is flowing. A flow switch can only be activated if fuel is flowing through the flow path of the flow...
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7024317 |
Apparatus and method for fuel measurement and accountability
A system for establishing fuel accountability and optimization for a vehicle. The apparatus can include a fuel tank containing hydrocarbon fuels operably engaged to a fuel sensor, an engine...
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7024316 |
Transiently dynamic flow cytometer analysis system
A flow cytometry apparatus and methods to process information incident to particles or cells entrained in a sheath fluid stream allowing assessment, differentiation, assignment, and separation of...
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7010464 |
Mobile HVAC cavity test device, method, and computer product
A mobile testing apparatus, method, and computer product that performs high speed testing of mobile pressure devices using high speed totalization, where testing of multiple devices may be done...
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7003418 |
Methods and systems for temperature compensation of physical property sensors
Temperature compensation methods for physical property sensors are disclosed herein, based on a simple bridge circuit. An imbalance of the bridge circuit can be driven to a zero value, while a...
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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 logging...
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6996490 |
Thermal comfort sensor device and an anthropomorphic dummy for simulating heat exchange which includes a plurality of such devices
The sensor device (S), in particular for use in a simulator dummy of an anthropomorphic type (M), includes a heat insulating support structure ( 1 ) with two measuring areas ( 1 d ; 1 e ) formed on...
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6993445 |
Vortex flowmeter
A process variable transmitter, implemented in a dual PLL structure, includes a first PLL having a first bandwidth producing a first output signal, and a second PLL having a second bandwidth...
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6990414 |
Electronic gas flow measurement and recording device
An electronic flow measurement device (EFM), for use in conjunction with a flow meter in a pressurized gas line, has a microprocessor and read-only memory (ROM), and calculates and records gas flow...
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6983208 |
Method and apparatus for combined measurements of concentration, distribution and flow velocity of suspended solids
A remote sensor and associated data processor, performs concurrent analysis of backscattered signals from a multi-beam acoustic Doppler emitter/receiver positioned against the inside wall of a...
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6983214 |
Flow rate measuring method and flow-meter
A flowmeter including a flow rate detection circuit including a thermal flow rate sensor ( 10 ) disposed in a measurement flow passage through which fluid to be measured passes, a temperature...
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6973839 |
Electromagnetic flow meter having processing means resolving output data into a non-flow waveform component
A method of obtaining a measure of flow from an electromagnetic flow meter is disclosed. A shaped excitation waveform is applied to the flow meter and an output is received from the meter. The...
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6968283 |
Gas flow meter
A gas flow meter having a gas flow detection circuit for detecting a current flowing through a resistor installed in a gas passage and a voltage generated across the resistor and outputting a...
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6968276 |
System for processing measuring signals from a sensor
A system for processing the measuring signals from a sensor 12 , including of a first micro-controller 10 having an input for the sensor data, a first memory 18, 19 and a first processor 16 ,...
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6963808 |
Methods and apparatus for using water use signatures in improving water use efficiency
The present invention provides systems and methods that identify a flow anomaly to an operator or other person by: executing a first device of a plurality of water using devices; receiving flow...
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6963810 |
Method and system for locating critical flow feature indicators in three dimensional flow regimes
A method for locating two dimensional critical flow features on a surface of a three dimensional body immersed in a fluid stream is presented. The method includes applying a hot film sensor array...
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6962087 |
Electromagnetic flow meter
There is described herein a method of obtaining a measure of flow from an electromagnetic flow meter having at least one field generating coil and potential sensing electrodes. A composite...
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6963809 |
Gas meter
A gas meter for determining a gas mixture consumption is revealed which determines sensor signal values proportional to a flow rate, this gas meter being calibrated as an energy measuring unit. The...
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6954678 |
Artificial intelligence system for track defect problem solving
A system and method facilitating lithography defect solution generation is provided. The invention includes a defect solution component and a defect alert component. The defect solution component...
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6948508 |
Apparatus and method for self-calibration of mass flow controller
A mass flow controller includes a mass flow sensor and a calibrator configured to perform a self-calibration on the mass flow controller. The calibrator generates flow measurements that are used as...
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6950759 |
Apparatus and method for determining the amount of flow of a substance through a tube/pipe
A sensor system for monitoring fluid flow through a tube/pipe has one or more sensors coupled to the tube/piping. An I/O board is coupled to the sensor for receiving measurement signals from the...
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6947862 |
Method for simulating slurry flow for a grooved polishing pad
A method for determining the flow of a fluid ( 60 ) in a gap ( 64 ) between a pad ( 48 ) and a substrate ( 12 ) includes the step of utilizing a hybrid Navier-Stokes/lubrication formulation to...
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6947851 |
Transceiver circuit for an ultrasonic flowmeter
A transmitting and receiving circuit for an ultrasonic flowmeter. In such circuits, an ultrasonic transducer is typically used as both transmitter and receiver. This is obtained by using switching...
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6941821 |
Ultrasonic flowmeter including stable flow rate calculation means based on instantaneous flow rate
In accordance with one embodiment, a flow meter of the present invention includes: transmission/reception means provided in a flow path for performing transmission/reception using a state change of...
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6935191 |
Fuel dispenser fuel flow meter device, system and method
A flow switch used on conjunction with a fuel flow meter in a fuel dispenser to determine when fuel flow rate signals form a fuel flow meter should be ignored in the calculation of flow rate and/or...
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6937943 |
Device and method for system and process supervision in a magneto-inductive sensor
The invention relates to a method and to a device for system and process supervision in a magneto-inductive sensor. A medium flows through a measuring tube substantially in the direction of the...
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6931305 |
Apparatus for monitoring and controlling pump and valve system operations
A centralized monitoring and control unit for a fluid transfer facility has a connective interface providing signal connectivity to overfill and ground circuitry in individual fill lanes, to pump...
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6928369 |
Ultrasonic current meter
The present invention provides a small, low power consumption ultrasonic flow velocity meter. The burst signal generation section 110 generates two kinds of burst signals with a phase difference...
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6925398 |
Water measurement apparatus and methods
Water measurement apparatus and methods of operation. An exemplary implementation of water measurement apparatus comprises a measurement circuit outputting a voltage. A processor is operatively...
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6920400 |
Method and apparatus for detecting a plugged port
A method and apparatus for detecting and clearing a plugged sensor port in a system containing a fluid being monitored through the sensor port. The method comprises establishing a range beyond...
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6917886 |
Microflow based differential pressure sensor
A differential pressure sensor based on pressure induced micro-flow that includes two connecting hoses that are considered when the pressure sensor is calibrated. The inventive differential...
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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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6907361 |
Ultrasonic flow-measuring method
An ultrasonic flow-measuring method determines the flow rate of a medium flowing through a line is determined by measuring the runtime of an ultrasonic signal that travels from a first ultrasonic...
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6904379 |
Thermal air flowmeter
A thermal type air flowmeter arranges a temperature-dependent heating resistance element in an air flow path and measures the air flow rate from the output of a gauge circuit containing the heating...
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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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6882941 |
Tamper proof meter
A fuel dispenser with a flow meter prevents fraud in the form of flow meter replacement by storing a unique identifier in the memory associated with the flow meter. The unique identifier is stored...
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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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6868346 |
Minute ventilation sensor with automatic high pass filter adjustment
A minute ventilation sensing device in which transthoracic impedance is measured to generate an impedance signal from which a ventilation signal is derived, where the ventilation signal is...
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6865495 |
Flow metering
In order to reduce the influence of fluid velocity on a measurement of a concentration characteristic of a fluid, the magnitude of an r.m.s. signal V derived from a voltage induced in a sensor...
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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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6850850 |
Fluid filter flowmeter self-generating power source system and method
A flowmeter for metering the volume of flow of a fluid through a filter, to enable the level of filter usage to be indicated. A preset level of metered fluid flow volume indicates a corresponding...
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6850849 |
Fluid flow monitor and control system
A fluid flow monitoring, evaluation, and control system providing accurate dispensing of fluids in low volume, high pressure systems. The system includes one or more fluid flow sensors mounted on...
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6847901 |
Electromagnetic flowmeter
An electromagnetic flowmeter includes a exciting coil, exciting section, and arithmetic processing section. The exciting coil applies a magnetic field to a fluid flowing in a pipe line. The...
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6843122 |
Mass flow controller for control purge and managing method of the same
The present invention relates to a mass flow controller for a control purge and a managing method of the same. When a user sets the mode to a control purge mode capable of controlling a maximum...
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6845330 |
Electromagnetic flowmeter
An electromagnetic flowmeter includes a coil, exciting section, noise eliminating section, and arithmetic processing section. The coil applies a magnetic field to a fluid flowing in a pipe line....
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6842705 |
Gas flow rate measuring device and gas flow rate measuring method
A gas flow measuring device and gas flow measuring method are disclosed wherein specific gas component of measuring object gas or target gas composed of gas different from the specific gas...
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6834241 |
Programmable coriolis flow meter electronics for outputting information over a single output port
Flow meter electronics are described for providing a flow rate of a material flowing through a flow meter sensor of a Coriolis flow meter. The flow meter electronics comprise a processing system...
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6832166 |
Method and system for analyzing the effect of inflow and infiltration on a sewer system
A method and system for determining the effect of precipitation on flow within a sewer network includes identifying a modeled response of the sewer to a precipitation event. Once the modeled...
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6829566 |
Pipe network optimization
A method of optimizing a model of pipe network with respect to a predetermined criteria, such as costs. In particular, the method provides an efficient way of minimizing the cost of rehabilitating...
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