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7270015 |
Thermal pulsed ultrasonic flow sensor
In thermal pulse flow measurements a relatively small bolus of flowing fluid is heated or cooled and the time required for the bolus to move downstream a known distance is measured. In many fluids,...
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7267014 |
Meter register having an encoder
A water meter register has a shaft for rotating an energy passing wheel having a high transmission portion and a low transmission portion. Energy rays are directed toward one side of the wheel...
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7267012 |
Electromagnetic flowmeter including electrodes and magnetic pole placed in proximity on one side of the outer wall
An electromagnetic flowmeter designed to use a smaller excitation device and applicable to measurement on tubular channels of various sectional shapes. The electromagnetic flowmeter includes an...
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7267013 |
System and method of measuring fluid flow
A systems and method of measuring fluid flow within a pipe is disclosed. One embodiment includes a flow measuring device configured to be placed within a pipe. Another embodiment includes a method...
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7265832 |
Optical flow meter for measuring gases and liquids in pipelines
An optical system design for measuring the velocity of fluids flowing through pipes or other conduits is disclosed. The optical system is comprised of a means for delivering two beams through a...
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7263900 |
Volumetric flow metering device
A metering device for producing a precisely metered volumetric flow is provided. The metering device comprises two displacement devices that are operated in phase opposition. In this case, the...
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7265544 |
Method and device for detecting physical-chemical states on measuring electrodes of a flowmeter
A method and device for obtaining an interference free measurement from a flowmeter. The flowmeter includes a measuring tube through which a flowable medium flows through a magnetic field generated...
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7263899 |
Device for transporting bulk material and dosing and/or mixing system provided with one such device
What is described is a device for conveying bulk goods, particularly in the form of a continuous conveyor and here in particular in the form of a chain conveyor. According to the invention, the...
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7261002 |
Flow rate measurement for industrial sensing applications using unsteady pressures
Flow rate measurement system includes two measurement regions 14,16 located an average axial distance ΔX apart along the pipe 12 , the first measurement region 14 having two unsteady pressure...
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7261001 |
Magnetoinductive flowmeter and method for producing a magnetoinductive flowmeter
A magnetoinductive flowmeter includes a measuring tube, a magnetic field device serving to generate and guide a magnetic field at least part of which permeates the measuring tube, and two...
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7261004 |
Flow transducer and method
A transducer is disclosed for sensing flow of a fluid. The transducer includes means for applying a heat pulse to the fluid and at least one temperature sensor. The temperature sensor is adapted to...
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7261003 |
Flowmeter and method for the making thereof
A flowmeter is provided that comprises a leadframe assembly ( 140 ) and a body ( 144 ) disposed at least partially around the leadframe assembly ( 140 ). The body ( 144 ) has a flow passage...
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7258024 |
Simplified fluid property measurement
A process fluid measurement system provides a first measurement relative to process fluid flowing in a pipe. An additional measurement of process fluid flow velocity in the pipe is combined with...
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7258025 |
Coriolis flowmeter
When outputs from two vibration detection sensors are measured by a Coriolis flowmeter in a form of phase difference time, a tube must be thinned to increase a sensitivity of the flowmeter to...
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7259574 |
Sensor device for measuring frequency and amplitude of varying force signals
A sensor device for measuring frequency and amplitude of a varying force signal is provided. The sensor device comprises a sensing element defined by a plurality of even numbered planar segments...
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7257999 |
Liquid dispenser with volume meter
A liquid dispenser comprises a sprayer device and volume meter connected together to form an integral unit that prevents the sprayer device and volume meter from being disconnected without damaging...
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7255013 |
Method and apparatus for measuring cryogenic flow
A method for calculating a mass flow rate of a cryogenic fluid within a flow tube includes positioning a sensor within a stream of cryogenic fluid flowing through the flow tube. The sensor is...
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7257495 |
Flow meter filter system and method
A flow meter filter system ( 200 ) according to an embodiment of the invention includes a noise pass filter ( 203 ) configured to receive a first version of a flow meter signal and filter out the...
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7255012 |
Process fluid flow device with variable orifice
A process device providing total fluid flow control is provided. The device includes a closure mechanism disposed in a flow conduit. The closure mechanism, which is preferably an iris-type...
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7252014 |
Instrument and method for measuring the volume of a hermetically sealed variable volume and pressure conforming container
An instrument and method for measuring the volume of a hermetically sealed, variable volume, pressure conforming container. The instrument includes a needle, a vacuum pump, a mass flow rate sensor...
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7254523 |
Selectively reduced bi-cubic interpolation for ink-jet simulations on quadrilateral grids
A selectively reduced bi-cubic interpolation on quadrilateral grids for level set re-distancing improves finite-difference-based ink-jet simulation. The “bi-cubic” nature of the interpolation...
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7254494 |
Ultrasonic signal processing method and applications thereof
An ultrasonic signal processing method for improving the signal-to-noise ratio in ultrasonic measurements comprises the transmission of a predefined timed sequence of a number of ultrasonic burst...
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7252015 |
Ultrasonic flow meter including guide elements
The measurement of volume flows or mass flows in the intake system of motor vehicle internal combustion engines plays a significant role in reducing pollutant emissions. Therefore, an ultrasonic...
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7251591 |
Consistent back pressure for piezoelectric ink-jet simulation
A consistent back pressure formulation is introduced into ink-jet simulation models and algorithms to solve an instability problem that occurs as the head of an ink droplet reaches the end of the...
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7249524 |
Fluid flow rate and volume sensor, and filtration apparatuses and purification apparatuses having such a sensor
A flow rate and volume sensor for determining the rate and volume of fluid flowing through an apparatus, such as an apparatus for filtering and/or conditioning and/or purifying fluid, such as...
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7249525 |
Apparatus for measuring parameters of a fluid in a lined pipe
An apparatus for measuring a parameter of a fluid passing through a pipe comprises a spatial array of pressure sensors disposed at different axial locations along the pipe between a sleeve within...
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7246529 |
Oscillating vane actuator apparatus and method for active flow control
An oscillating vane actuator for active control of fluid flow over a surface includes a pivoted vane surrounded by a wedge-shaped chamber, and first and second conduits with openings adjacent the...
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7246530 |
Flow sensor and method for measuring a flow rate component of a fluid containing electrically charged elements
The invention relates to measurement of a fluid flow, wherein a flow rate component of the fluid is measured along a selected direction. A magnetic field whose polarity varies over time is applied...
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7243556 |
Airflow sensor
An airflow sensor for use in a conduit. The sensor comprises stacked first, second and third portions positioned, in use, in the conduit to define a hub and a plurality of tubes. The hub is...
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7245230 |
Dual magnetic field sensor unit
The present inventions relate to a method and apparatus for adding Automatic Meter Reading (AMR) capabilities to utility meters that generate a magnetic field comprising magnetic flux that varies...
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7243555 |
Transmitting and receiving circuitry for an ultrasonic flowmeter, and method for operating such transmitting and receiving circuitry
A transmitting and receiving circuitry system for an ultrasonic flowmeter includes an ultrasound transducer interface for connection to an ultrasound transducer of the ultrasonic flowmeter, an...
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7240566 |
Device for positioning a clamp-on flowmeter on a container
An apparatus for the positioning of a clamp-on flow measuring device on a containment, which has a medium flowing through it. The apparatus includes at least two ultrasonic transducers, which emit...
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7240568 |
Method and apparatus for determining the gas flow rate of a gas-liquid mixture
A method and apparatus are provided for determining the gas flow rate of a gas-liquid mixture which has a gas volume fraction (GVF) of at least 85% and which is conveyed along a conduit. The...
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7240567 |
Dynamic response characteristics of flow meters
A flowmeter includes a vibratable flowtube that has internal damping characteristics that substantially result in a desired dynamic response of the vibratable tube to a change in a flow of fluid...
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7237441 |
Ultrasonic type fluid measurement device
An ultrasonic fluid measurement instrument is capable of highly accurate fluid measurement. A measurement part is provided forming a plurality of split channels partitioned by partition boards...
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7234450 |
Gas density ratio detector, gas concentration detector, and fuel vapor treatment apparatus
When a gas flow producer is driven, plural kinds of gases flow into a measure-passage at respective timing. An orifice is provided in the measure-passage. The orifice has a diameter-changing...
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7236912 |
Method and device for determining and/or monitoring a volume and/or mass flow
A method and a device for determining and/or monitoring the volume flow rate and/or mass flow rate of a medium flowing through a container. In the case of the device, such is an ultrasonic flow...
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7234363 |
Mass flow meter
The invention relates to a mass flow meter for flowing media, which operates according to the Coriolis principle. At least one oscillator and at lest one sensor that detects Coriolis forces and/or...
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7231835 |
Two-phase steam measurement system
A steam measurement system includes a Coriolis flowmeter associated with a vibratable flowtube to receive a flow of wet steam. A first sensor is associated with the flowtube to relay information...
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7231836 |
Device for monitoring an air supply flow or a volumetric air flow
The invention relates to a device for monitoring an air supply flow or a volumetric air flow, in particular for ventilators which can also be applied for extremely low flow speeds and/or throughput...
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7228748 |
Electromagnetic flow meter insert
An insert for an electromagnetic flow meter is disclosed. The insert is arranged to be positioned within a flow conduit having a flow conduit cross-section to define a flow path for fluid, wherein...
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7231329 |
Enhanced elliptic grid generation
Method and system for generating an elliptic grid in generalized coordinates in two or three dimensions, where one or more decay parameters near a boundary segment of a grid are determined as part...
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7228614 |
Method of manufacturing a gas flow meter
A gas flowmeter capable of reducing a secular change comprises a silicon semiconductor substrate formed with a cavity and a heat element formed above the cavity of the semiconductor substrate by...
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7228749 |
Coriolis mass flow pick-up
A coriolis mass flow pick-up is disclosed, which can be inserted into a pipeline and has a fluid to be measured flowing through it during operation. The pick-up includes a single measuring pipe,...
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7228750 |
Apparatus and method for measuring fluid flow
A method and apparatus for fluid flow straightening and measurement introduces a high beta nozzle or venturi in-line with existing conduit. A fluid velocity measuring device is positioned in the...
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7225683 |
Composition pulse time-of-flight mass flow sensor
A device for measuring fluid flow rates over a wide range of flow rates (<1 nL/min to >10 μL/min) and at pressures at least as great as 2,000 psi. The invention is particularly adapted for...
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7225685 |
Pipe assembly unit with built-in flow sensors
Cost is reduced by simplifying piping work and reducing the number of parts. At the same time, the degree of freedom in the arrangement of piping is raised by making the mounting posture of the...
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7222542 |
Method, system, controller and computer program product for controlling the flow of a multiphase fluid
A method, system, controller and computer program product, for controlling the flow of a multiphase fluid comprising gas and liquid in a conduit, which conduit is provided at a downstream side with...
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7219558 |
Ultra low pressure drop flow element system for measuring fluid flow rates
The present invention relates to the field of correlating a fluid flow rate by strategically measuring a differential pressure of a fluid. Embodiments of the present invention build off a simple...
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7219559 |
Flow meter using digital signals
A flow meter outputs an electric signal of a position a float within a taper-shaped tube precisely. A taper-shaped tube is made of an approximately transparent material, is mounted approximately...
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