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6651511 |
Method and apparatus using magnus effect to measure mass flow rate
Apparatus and method for measuring mass flow rate of fluid materials including a rotationally oscillating probe attached to a support at one of its ends and adapted for extension into a flow...
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6650108 |
System and method for monitoring the composition of a magnetorheological fluid
A system and method for monitoring the composition of a magnetically permeable material, where the system comprises a first container containing a volume of magnetically permeable material; a flow...
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6647809 |
Silicon carbide high temperature anemometer and method for assembling the same
A high temperature anemometer includes a pair of substrates. One of the substrates has a plurality of electrodes on a facing surface, while the other of the substrates has a sensor cavity on a...
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6647808 |
Position-detecting apparatus
An air is fed from an air supply source to a detecting nozzle via a first fixed throttle section. The air is jetted from the detecting nozzle to the workpiece W to obtain a nozzle back pressure for...
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6647807 |
Coriolis mass flow/density sensor with single straight measuring tube
A Coriolis mass flow/density sensor is provided. The sensor includes a measuring tube for conducting a fluid. The measuring tube is fixed in a support and may be coupled to a pipe via an inlet tube...
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6647806 |
Turbulence conditioner for use with transit time ultrasonic flowmeters
An apparatus for determining fluid flow in a pipe. The apparatus includes an ultrasonic flowmeter adapted to be placed with the pipe for measuring fluid flow in the pipe. The apparatus includes a...
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6647805 |
Transit-time difference type ultrasonic flowmeter
A transit-time difference type ultrasonic flowmeter comprises a pair of ultrasonic transducers mounted on a flow tube at an upstream side and a downstream side respectively, a switching device for...
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6647804 |
System and method for flow measurement in a pipe
Fluid flow in a conduit is measured with an acoustic Doppler system installed in an opening in the pipe. The Doppler system may include transducers and driving circuitry to produce narrow beam...
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6647737 |
Air conditioner
A compressor includes a discharge chamber and a retaining passage, which is located downstream of the discharge chamber. A control valve controls the displacement of the compressor in relation to...
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6646725 |
Multiple beam lidar system for wind measurement
A system for measuring components of the velocity of wind along two axes that are transverse to the line of sight of the system includes first and second light emitter arrays disposed along crossed...
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6644344 |
Method and apparatus for metering a flow rate of a fluid
A method and apparatus for measuring the flow rate of a fluid based on the fluid weight. A container is provided between a fluid source and a fluid removal system. A valve is arranged between the...
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6644133 |
Flow meter module for a controller
A method and apparatus for utilizing a controller to monitor a flow volume in a fluid transportation system. The controller being operably connected to a module. The module being operably connected...
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6644132 |
Flow profile conditioner for pipe flow systems
The present invention includes a flow conditioning apparatus for conditioning flow for accurate flow measurements. The flow conditioning apparatus is installed in a fluid stream to provide a flow...
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6644131 |
Steam trap instrument module
A steam trap system is disclosed. The steam trap system includes an inlet, an outlet, and a float, with the inlet and the outlet separated by an orifice. The steam trap includes a plug operatively...
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6644130 |
Ultrasonic flow meter having a tubular elastic transducer holding unit
The ultrasonic flow meter of the present invention comprising a measuring pipe through which liquid flows, and two measuring units provided at an interval in the lengthwise direction on measuring...
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6644129 |
Flow rate measurement apparatus
A flow rate measurement apparatus includes: a plurality of flow paths 13 provided between an inflow port 11 and an outflow port 12 ; opening/closing sections 14 for opening/closing the...
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6644128 |
Flow meter
A photoacoustic effect is used in order to measure a flow rate of a flowing medium (M), in particular of natural gas. A light emitter ( 1 ) is used to produce in the medium (M) a sound wave (S)...
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6644127 |
Electromagnetic flowmeter arrangement
An electromagnetic flowmeter arrangement is disclosed, having a measuring tube ( 2 ), a coil arrangement ( 3, 4 ) for generating a magnetic field substantially perpendicular to the direction of...
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6644119 |
Noninvasive characterization of a flowing multiphase fluid using ultrasonic interferometry
An apparatus for noninvasively monitoring the flow and/or the composition of a flowing liquid using ultrasound is described. The position of the resonance peaks for a fluid excited by a...
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6642999 |
Method and device for analyzing flows
A method and device for analyzing and quantifying flows for the three-dimensional determination of flow velocity components or the visualization of flows in fluids or gases. An illuminating device...
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6641717 |
Water purifier
A water purifier 40 includes a flow meter 42 for measuring the cumulative flow of water through a water purification cartridge 6. The flow meter has an indicator portion 44 that rotates in...
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6640650 |
Flow rate sensor
A flow rate sensor high in pressure resistance has a structure to facilitate the measurement of a minuscule differential pressure for measurement of a very small flow rate. A chamber ( 20 ) is...
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6640649 |
Droplet counter for low flow rates
A low-flow metering device 10 for measuring the flow of an amount of liquid exceeding 0.05 ml., in which a first chamber 12 has an inlet 14 , and an outlet 16 in fluid communication with a...
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6640596 |
Apparatus for detecting intensity of shot peening and replacement unit for the apparatus
An improved apparatus for detecting the intensity of shot peening by detecting at least one of the number of shot that have collided with the apparatus and the intensity of the colliding shot,...
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6639404 |
Device for measuring flow rate
A device for measuring the rate of flow of fluids in a conduit is positioned within the conduit and includes a tube having two spaced part detectors which are separated by shielding units either...
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6636815 |
Majority component proportion determination of a fluid using a coriolis flowmeter
A system, method, and software are disclosed that determine a proportion of a majority component of a fluid that is flowing through a Coriolis flowmeter. Circuitry receives pickoff signals and a...
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6634242 |
Apparatus for measuring respiratory gas flow by means of a disposable respiratory tube
Disclosed is an apparatus for measuring respiratory gas flow, which provides a high accuracy in measurement of the respiratory gas flow and reduces the manufacturing cost of the apparatus, in...
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6634241 |
Method and apparatus for bonding a connecting ring to a flow tube and balance bar of a coriolis flowmeter
A Coriolis flowmeter having a single flow tube surrounded by connecting rings and a balance bar whose ends are connected by the connecting rings to the flow tube. The balance bar has a thermal...
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6634240 |
Zero crossing detector and method of determining a zero crossing point
A zero crossing detector has an analyzer which determines a zero level crossing of a currently input electrical pulse packet and which emits a trigger signal indicative of a determination having...
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6634239 |
Ultrasonic fluid quality sensor system
A system for determining the composition of a multiple-component fluid and for determining linear flow comprising at least one sing-around circuit that determines the velocity of a signal in the...
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6634238 |
Method of operating an electromagnetic flowmeter
The flowmeter comprises a flow sensor with a flow tube, two electrodes, and two field coils traversed by a first excitation current and a second excitation current, respectively, as well as control...
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6634237 |
Collection reservoir for use with flow meter control system
A collection reservoir 54 includes a rigid-walled cassette adapted for connection to aspiration tubing 50. The cassette also includes a pair of electrodes 36 positioned so that the electrodes...
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6631648 |
Microfluidic flow sensing method and apparatus
Sensing of microfluidic flow is carried out by confining and directing a fluid along a surface in a primary direction of flow past a cantilever beam which is mounted at one end of the beam to the...
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6629467 |
Method and a device for determining the flow rate of a flowing medium
In a method for determining the flow rate of a fluid flowing in a channel ( 2 ), the fluid being constituted by a liquid or a gas, two pulse shaped, oscillating signals are sent through the medium...
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6628741 |
Non-volatile passive revolution counter with reed magnetic sensor
A shaft revolution counter including one or more reed magnetic sensors interacting with one or more magnets attached to the shaft. The interaction generates voltage spikes in the reed magnetic...
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6628202 |
Thermal dispersion mass flow rate and liquid level switch/transmitter
A thermal dispersion switch/transmitter for determining flow rate and liquid level in a non-contacting apparatus. A special preparation of one or more small spots in the outside surface of the wall...
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6626838 |
Blood flow meter apparatus and method of use
A strobed blood flow meter provides periodic measurements of blood flow velocity or volumetric blood flow over a cardiac cycle at reduced average power consumption, which is advantageous for...
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6626050 |
Method for improving monitored range of flow sensor
A flow sensing system capable of improving the monitored range of a flow sensing system. The flow sensing system has a transparent tube, an upper edge sensing assembly, a lower edge sensing...
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6626049 |
Clamp-on steam/gas flow meter
A clamp-on ultrasonic measurement system for a gas or other fluid typically of low acoustic impedance such as low pressure steam or flare gas. The system includes a first ultrasonic signal...
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6626048 |
Magnetic flow meter
A magnetic flow meter includes a cylindrical vessel within which electrodes are placed directly opposite each other about a magnetically permeable core. In that way, two flow channels are obtained...
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6625549 |
Equipment specifying system
An equipment specifying system of the present invention includes: a flow path for supplying gas to a plurality of pieces of equipment; an ultrasonic propagation signal measuring section for...
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6623630 |
Method and apparatus for monitoring a fluid system
An apparatus for monitoring a fluid system particularly suited for use with high pressure liquid chromatography systems. The apparatus monitors seal leakage as well as the general wellness of the...
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6622574 |
Oil field management system
Oil field management systems and methods for managing operation of one or more wells producing a high void fraction multiphase flow. The system includes a differential pressure flow meter which...
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6622573 |
Process flow device with improved pressure measurement feature
A flow device including a differential flow plate insertable into a flow path between pipe sections including a flow conduit supporting a flow interrupter and differential pressure taps. The flow...
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6622572 |
Ultrasonic flowmeter for controlling the gain of an amplifier for amplifying received signals
The amplifying gain is controlled by means of a data reduction equipment on the basis of the control signal input into the amplifier for amplifying the received signal propagated through the fluid...
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6622560 |
Ultrasound imaging method and apparatus based on pulse compression technique using a spread spectrum signal
An ultrasound imaging method forms an image of an object using signals reflected from the object after transmitting an ultrasound pulse to the object. In the method, at a first step, a...
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6619142 |
Integrated fluid sensing device
A circuit board, which includes one or more sensors, is integrated in a fluid control device, such as a valve manifold and a base plate. The fluid control device selectively directs a fluid used to...
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6619141 |
Method of dynamically compensating a process signal
A pressure signal from a differential pressure transducer is dynamically compensated for error, such as zero point drift, due to time passage or temperature change. A processor associated with a...
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6619140 |
Fluid flow meter having thermal flow sensor disposed in one of a plurality of fluid passages
A separator partitions an upstream side air passage of a bypass passage into first and second sub passages. A thermal flow sensor is attached to the separator facing the first sub passage. A convex...
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6619139 |
Gas flow sensor and high pressure gaseous fuel injection system
A novel flow sensor that includes a valve responsive to a pressure differential or pressure drop across a selectively sized restriction orifice. The flow sensor may be incorporated into a...
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