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7519483 |
Unsteady flow meter
The invention makes it possible to measure, in real time, the flow of a fluid that is incompressible while having an unsteady flow. The pressure measuring system is primarily comprised of a...
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7516024 |
Method and apparatus for measuring parameters of a stratified flow
Various methods are described for measuring parameters of a stratified flow using at least one spatial array of sensors disposed at different axial locations along the pipe. Each of the sensors...
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7513940 |
Air sampling apparatus and method
A sampling system includes a collection module including a gas handler, and a flow controller in communication with the gas handler of the collection module. The flow controller controls the gas...
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7509877 |
Electrode with electrode surface for magnetically inductive flow meter
The invention relates to a special electrode surface for electrodes of a flow measuring device. In order to provide more measurement reliability for abrasive substances to be measured, for example...
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7509880 |
Fluid flow meter body with high immunity to inlet/outlet flow disturbances
Method and device are provided for accurately measuring fluid flow in a conduit. A fluid flow meter conditioning body, in-line with the conduit, conditions the fluid flow so as to provide a...
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7509878 |
Ultrasonic cavitating apparatus and ultrasonic doppler flow measurement system
Disclosed is an ultrasonic Doppler flow measurment system that achieves flow measurement regardless of the temperature of a fluid. A temperature sensor 7 is combined with a pipe 1 to measure the...
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7509753 |
Apparatus for indicating oil temperature and oil level within an oil reservoir
A dipstick that measures and externally indicates the temperature and level of a fluid within a fluid reservoir. For example, in one embodiment the dipstick measures and externally indicates the...
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7510884 |
Semiconductor production system and semiconductor production process
A semiconductor manufacturing apparatus according to the present invention comprises: a treating unit that treats a substrate to manufacture thereon a semiconductor device; a fluid supplying...
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7509879 |
Vibration-type measurement pickup and its measuring tube
A measurement pickup, or transducer, includes at least one measuring tube for the conveying of a fluid. The measuring tube has an inlet end and an outlet end and vibrates at least at times. For...
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7506551 |
Coriolis flowmeter having a drive device driven in reverse phase to pair of second drive devices
A flow tube composed of a bent tube having a shape symmetrical with respect to a first axis is supported at its both ends by support portions having an outlet and inlet respectively. A drive device...
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7508318 |
Apparatus, system and method for monitoring, recording and billing for individual fixture and unit water usage in a multi-unit structure
An apparatus including means for measuring and storing flow information for a fluid flowing through each of a plurality of fixtures in a single unit in a multi-unit structure, and each means for...
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7508222 |
Electromagnetic flow meter
A method of determining the inter-electrode or electrode-to-ground impedance or the filling state of an electromagnetic flow meter having flow sensing electrodes connected to an electrode signal...
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7503225 |
Ultrasonic flow sensor having a transducer array and reflective surface
An ultrasonic flow sensor is used in particular for measuring the volumetric or mass flow of a fluid in a pipe. The sensor includes at least one ultrasonic transducer which is capable of emitting...
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7505854 |
Startup techniques for a digital flowmeter
Startup and operational techniques for a digital flowmeter are described. The techniques select an optimal mode of operation for the digital flowmeter, depending on a current environment of the...
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7503227 |
Method and apparatus for measuring parameters of a fluid flow using an array of sensors
An apparatus for measuring velocity of a fluid passing through a pipe is provided. The apparatus includes a spatial array of sensors having at least two sensors disposed at different axial...
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7503226 |
Method of and apparatus for assessing the effect of a conduit section on flow characteristics of a first fluid
A method of assessing the effect of a conduit section (11) on flow characteristics of a first fluid in a first conduit system (1). A first fluid is caused to flow through the first conduit system...
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7500405 |
Fluid flow meter and mixer having removable and replacable displacement member
Fluid flow apparatus, such as a fluid flow meter, a fluid mixing device or a fluid dispersing device, includes a fluid displacement member removeably mounted in a conduit and a pipe or tube...
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7500404 |
Mass flow meter
Strain gauges A, B for a bending portion cross each other and are stuck to a strain gauge sticking portion 7 for a bending portion located in a portion applying centrifugal force or centripetal...
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7500402 |
Ultrasonic flow rate measuring device
An ultrasonic flow rate measuring device for measuring the flow rate of a medium flowing through a line (1), with at least one ultrasonic transducer (2) and a guide frame (3) for guiding and...
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7500403 |
Ultrasonic flow sensor having interlaid transmitting and receiving elements
An ultrasonic flow sensor for measuring the volumetric flow rate of a flowing medium through a flow channel having a transducer array which is situated within the flow cross section of the flow...
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7500392 |
Solid state microanemometer device and method of fabrication
The invention is a solid state microanemometer and a method of making thereof. Specifically, the invention relates to a microanemometer including an electrically conductive resistor in the form of...
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7497130 |
Liner for a flow meter
A flow meter assembly includes a flow meter including a tube through which a fluid flows. The flow meter is operable to measure the amount of fluid flowing through the tube. A liner is positioned...
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7493820 |
Gas pump filter optimization and alarm system with GPS and web enabled monitoring
An apparatus for monitoring fuel filter performance and transmitting performance information. The performance information may be transmitted wirelessly to a computer or a wireless telephone and...
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7493829 |
Flow meter for variable displacement compressor
A flow meter for a variable displacement compressor comprises a movable body operable to move by differential pressure, a magnet provided in the movable body, a magnetic sensor for detecting change...
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7490521 |
Measurement transducer of vibration type
The measurement transducer includes: A measuring tube vibrating at least at times during operation and serving for the conveying of a medium, wherein the measuring tube communicates with a pipeline...
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7490512 |
Detector of low levels of gas pressure and flow
A detector for monitoring the low levels of differential pressures and the rate of mass flow rate of gas (air, e.g.) in a duct. The sensor's temperature is maintained at a constant gradient above...
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7491320 |
Marine vessel liquid strainer clogging indicator
An apparatus and method for estimating blockage within a liquid strainer used in a marine vessel is provided. The apparatus includes a sensor for measuring the rate of liquid flow through the...
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7487686 |
High-precision vortex flow meter
A high-precision vortex flow meter includes a blunt body having a predetermined dimension and being arranged inside a fluid channel to serve as a vortex shedder. The vortex flow meter also includes...
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7484426 |
Multiphasic overreading correction in a process variable transmitter
A process variable transmitter is operably coupleable to a source of multiphasic process fluid flow. The process variable transmitter is configured to obtain information relative to temperature, a...
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7484425 |
Fluid flow meter with a body having upstream and downstream conical portions and an intermediate cylindrical portion
A mass flow meter device utilizing a housing having a wall portion forming a chamber with an entrance and exit for passing fluid through the same. A body is located within the chamber and is...
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7487052 |
State detection device
An exciting unit, applies, to a fluid, a time-changing magnetic field asymmetrical to a plane (PLN). An electrode is placed on the plane in a measuring tube, and detects a resultant electromotive...
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7481118 |
Flow measurement apparatus
An apparatus for obtaining information on the content and flow rate in a fluid flow, e.g. a mixture of oil and water flowing in, for example, a pipe, including means for conveying a flowing fluid,...
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7481119 |
Micro-fluidic oscillator having a sudden expansion region at the nozzle outlet
A micro-fluidic oscillator comprises a main body and a cover body for covering the main body. An oscillation chamber is disposed on the main body to provide an oscillation space for fluid. A...
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7481114 |
Noninvasive measurement of fluid characteristics using reversibly deformed conduit
An apparatus for determining a characteristic for a fluid in a tube, the apparatus including a force applying system to cause a change in a transverse dimension of a segment of the tube, wherein...
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7479606 |
Gravimetric metering device with independently suspended rotating impeller blades
The invention aims at obtaining a simplified and compact construction of a gravimetric metering device (1) for bulk products, comprising a large discharge section per activation zone (A) and...
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7478565 |
Method & apparatus for fluid flow rate and density measurement
A fluid flow rate and density measuring apparatus is disclosed including a section of cylindrical conduit comprising a measurement section or housing for the flow sensor. The flow sensor housing is...
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7480548 |
High-altitude capable wide velocity range flight velocity vector measurement probe and measurement system
It is an object of the present invention to solve the problem of a drop in precision in conventional systems using a square pyramid type five-hole probe due to the drop in atmospheric pressure in...
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7478564 |
Air flow meter for an automobile
An air flow meter includes a tube having an exterior surface and an interior surface, which defines an interior space. A collector is disposed within the interior space of the tube and a plurality...
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7477997 |
Method for ascertaining interferants in small liquid samples in an automated clinical analyzer
A liquid aspiration method which includes a method for determining the quality of the aspirated sample through mathematical analysis of the standard deviation of the residuals of the linear...
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7475604 |
Method for monitoring an oil and gas lubricating device with the aid of a striae sensor
A method is disclosed for monitoring an oil and gas lubricating device, with which an oil film, while forming striae, can be conveyed by an airflow along a wall of a supply line to a lubrication...
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7475596 |
Non-destructive testing of pipes
To perform a non-destructive condition assessment of a pipe carrying a fluid, an actual value representative of the propagation velocity of an acoustic disturbance propagating between two...
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7475602 |
Process for mounting a clamp-on flow rate measurement device and mounting device for attaching a clamp-on flow rate measurement device
A process and device for mounting a clamp-on flow rate measurement device on a measurement pipe using a mounting device having a holding strap with catches. The holding strap can be fastened on the...
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7472609 |
Fluid meter
A fluid meter. An illustrative embodiment of the fluid meter includes a meter housing having a housing interior, a rotatable paddle provided in the meter housing and a counter coupled to the paddle.
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7472606 |
Single input, multiple output flow meter
A single input, multiple output flow meter (200) is provided. The flow meter (200) includes an intake conduit (202) and a flow divider (203). The flow meter (200) further includes a first flow...
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7474971 |
Method and apparatus for characterising multiphase fluid mixtures
An example method for determining at least one characteristic of a multiphase fluid includes applying alternating energy of predetermined amplitude to a portion of a multiphase fluid and measuring...
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7472610 |
Apparatus, system, and method for differential pressure measurement across a conduit flow area change
An apparatus, system, and method are disclosed for differential pressure measurement across a fluid conduit flow area change. The apparatus may include a particulate filter, a differential pressure...
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7473371 |
Measurement of a blood flow rate in hemodialysis shunts
The measurement of blood flow in a dialysis shunt is obtained by injection of an indicator material into a venous line leading from dialysis equipment to the shunt. The blood flow in an arterial...
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7472605 |
Magnetic transducer having electrodes with metal and a layer of a salt of that metal
A magnetic transducer (109) for measuring the flow of a fluid (108) has electrodes (102) and an alternating magnetic field (107), an electrode (102) having lower noise energy at frequencies below 5...
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7472608 |
Flangeless differential pressure transmitter for industrial process control systems
An industrial pressure transmitter, for use in industrial process control systems, comprises a differential pressure sensor and an integrated process connector connected to the differential...
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7474969 |
Method and system for production metering of oil wells
The present invention relates to a method and system for determining multiphase fluid streams flowing from individual wells of a cluster of crude oil, gas and/or other fluid production wells,...
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