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6952971 |
Apparatus for measuring a mass flow
The invention relates to a device for measuring a mass flow, comprising a measuring wheel ( 3 ) that is supported by a shaft ( 4 ) and that is driven and impinged axially by the mass flow. Said...
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6951141 |
Measuring method and measuring apparatus
A method of measuring material in which the material is conveyed by a conveying unit and dropped from a discharge portion of the conveying unit to be supplied into a measuring unit arranged under...
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6948379 |
Mass flowmeter
A Coriolis mass flowmeter that incorporates a straight Coriolis measuring tube, two straight connecting pipes, at least one oscillator stimulating the tube, a measuring sensor associated with the...
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6950768 |
Self-tuning ultrasonic meter
A method and related ultrasonic meter identify and correct for transit time errors such as peak switch errors. The method includes calculating values for a set of diagnostics from measurements of...
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6945125 |
High resolution pulse count interface
A high resolution pulse count interface is situated between a positive displacement (PD) meter and a flow computer. A magnetic wheel attaches to the PD meter, with the interface using Hall Effect...
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6945124 |
Measurement system
A device and method for measuring an area such as a throat area in a vane ring for gas turbine engines. Measurement inaccuracy introduced by image size changes as a result of the position deviation...
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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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6945123 |
Gas flow sensor having redundant flow sensing capability
A sensor for redundantly measuring gas flow has a housing suitable for being interposed in a gas flow conduit. The housing has an orifice through which the gas to be measured flows. A gas flow...
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6944530 |
System and method for air flow and EGR flow estimation
An exhaust gas recirculation system directs exhaust gasses from an exhaust manifold to an intake manifold of an internal combustion engine. The exhaust gasses travel from the exhaust manifold,...
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6943690 |
Flow verification mechanism
A flow verification sensor apparatus ( 30 ) is used with a constant volume pump ( 11 ) that pumps a liquid product ( 13 ) from a container ( 12 ). A plummet ( 32 ) is positioned in a flow tube ( 31...
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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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6938495 |
Method of measuring fluid flow
In the method for measuring the velocity of fluid or visualizing the distribution of fluid by feeding tracer particles to the fluid, irradiating the fluid with light and observing return light from...
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6938497 |
Acoustic flow meter in the form of a valve key
An acoustic flow meter in the form of a valve key has an acoustic sensor 12 for measuring the peak sound level which occurs when the key is used to close a valve in a fluid pipeline. The peak...
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6938472 |
Static pressure calculation from dynamic pressure for rotary air-data system and methodology therefor
A Rotary Air-data System (RADS) periodically samples pressure data from a main rotor blade mounted pitot-scoop integrated with a high accuracy pressure sensor to compute a velocity vector that is...
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6940409 |
Fluid flow detector
A method and apparatus for monitoring fluid flow in a pipe or at an exit of the pipe and detecting a fault. The system includes an acoustic generator which is activated by the fluid flowing in the...
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6938498 |
Hydrocarbon gas flow rate adjusting method and apparatus
An object of the present invention is to provide a hydrocarbon gas flow rate adjusting method and apparatus, which suppress deterioration of an elastic foamed body with the passage of time and...
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6938459 |
Method for detecting moisture level in apparatus for treating and preparing food and related food treatment and preparation apparatus
The present invention refers to a method of detecting the moisture in an apparatus for treating and preparing food, as well as to a method of treating and preparing food. In the method according to...
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6935338 |
Fluid resistant airway adapter
An airway adaptor that includes a tubular body having a first gas flow passage defined therein. A protrusion extends from an interior wall of the tubular body into the gas flow passage. The...
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6935356 |
Underground storage tank metering system in a service station environment
A meter coupled in close proximity to an underground storage tank fuel pipe that delivers fuel from the underground storage tank to fuel dispensers in a service station environment. The meter...
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6935189 |
Multiphase flow meter using multiple pressure differentials
A flowmeter, and a method of, measuring the flow of a multi-phase fluid is described. The flowmeter has a first pressure sensor located in a conduit for measuring a first pressure differential at a...
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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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6935190 |
Flow rate measurement apparatus
An apparatus for flow rate measurement includes a body having a chamber with an inlet and an outlet and a structure, buoyant in the presence of a fluid, disposed in the chamber. The structure moves...
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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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6935192 |
Microfluidic bulk flow determinations based on converting heat tracer measurements
The fluid flow rate within a microfluidic passageway of a microfabricated device is determined by measuring the time-of-flight of a heat pulse coupled into the fluid. Since the propagation velocity...
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6931945 |
Doppler ultrasonic flowmeter
A Doppler type ultrasonic flowmeter has an ultrasonic transmitting means for emitting ultrasonic pulses from an ultrasonic transducer into a fluid pipe, a flow velocity profile measuring means for...
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6931946 |
Large volume fire service water meter
A large volume water meter having particular application for use with a fire suppression system by which to measure the volume of water consumed by a residence during periods of calm and during a...
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6931944 |
Measuring head for an ultrasonic flowmeter
A measuring head for an ultrasonic flowmeter, in which an ultrasonic coupling element and a measuring head housing are cast together and form, along with casting material, a contact surface E. The...
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6932796 |
Liquid metering system
Systems and methods for measuring the flow of a liquid along a conduit are disclosed. A heat source applies thermal energy to a portion of a liquid flowing along a conduit thereby elevating its...
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6931943 |
Permanent magnet flowmeter with noncircular sensing passage
A passive flowmeter having an inlet, sensing passage and outlet in fluid communication with one another, the sensing passage having a noncircular cross-section having a minor axis generally aligned...
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6928883 |
Magnetic field coupler for fluid meter
A magnetic field coupler has a plurality of magnetic poles with respective first ends located immediately adjacent a circular path of a rotating magnet in a meter. The magnetic poles have...
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6928884 |
Method and apparatus for measurement of flow rate
A bi-directional, clean or grey medium, wide temperature range, low intrusion, low turbulence, mass flow meter extends multiple pressure sensing tubes, each containing multiple pressure sensing...
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6925891 |
Ultrasonic flowmeter and method of measuring flow volume
An ultrasonic flowmeter arranged to perform measurement with high accuracy has first and second ultrasonic transducers 1, 2 which transmit and receive ultrasonic waves, and which are placed so as...
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6926821 |
Water treatment device with volumetric and time monitoring features
A totalization meter system for a water treatment device, the device having an inlet aperture and an outlet aperture, and a channel for channeling water between the inlet and outlet apertures. A...
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6925853 |
Air quality sampler using solid phase coated material
A method and apparatus for monitoring air quality is provided.
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6925887 |
Blast pressure gauge
An apparatus for measuring pressure includes a cylindrical tube having an open end and a closed end; a piston disposed in the cylindrical tube at the open end; an accelerometer attached to a side...
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6926584 |
Dual mode hybrid control and method for CMP slurry
A DMHC (dual mode hybrid control) system and method which facilitates enhanced control in the delivery of polishing slurry to a CMP (chemical mechanical polishing) apparatus. The DMHC comprises a...
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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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6926838 |
Method to measure blood flow and recirculation 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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6923073 |
Ultrasonic flow-measuring method
An ultrasonic flow-measuring method measures the flow rate of a medium traveling through a measuring conduit by means of two ultrasound transducers which in the flow direction of the medium are...
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6923054 |
Microscale out-of-plane anemometer
A microscale out-of-plane thermal sensor. A resistive heater is suspended over a substrate by supports raised with respect to the substrate to provide a clearance underneath the resistive heater...
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6923074 |
Ball valve with flow-rate gauge incorporated directly in the ball
A fluid-flow measuring ball valve includes a replaceable ball within a housing. The replaceable ball includes a flow restriction calibrated to the characteristics of the fluid. Pressure ports on...
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6922059 |
Electric field sensor
The invention is a detection system and in one embodiment uses inexpensive, miniaturized sensors for detecting electric field (E-field) disturbances. Such sensors are easily and covertly deployable...
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6920799 |
Magnetic flow meter with reference electrode
An magnetic flow meter is provided which includes a reference electrode configured to electrically couple process fluid flowing within a flowtube of the flow meter. The reference electrode is...
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6920797 |
Selecting an airflow generator for a system
A test apparatus includes a plurality of sensors placed proximate an airflow generator (e.g. a fan) to measure flow rates in respective sub-regions. The test apparatus also includes a controller...
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6920798 |
Vibratory transducer
The transducer ( 1 ) has at least one at least temporarily vibrating flow tube ( 101 ) of predeterminable lumen for conducting a fluid. The flow tube ( 101 ) communicates with a connected pipe via...
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6918307 |
Device, system and method for on-line monitoring of flow quantities
Measures of a torque and rotational speed of a pump or fan are obtained, from which a mechanical input power can be calculated. By further using predetermined relations between mechanical input...
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6915703 |
Capacitance meter
A method for determining a flow property of a fluid flowing through a conduit provided with a capacitance meter having an upstream and a downstream annular capacitance sensor, wherein each annular...
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6916165 |
Device for determining the operational state of an extruder
The invention relates to a device for determining the operational status of an extruder that is used for the productive of a plastic profile. At least one measuring device for determining the...
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6917205 |
Microwave-resonator and measuring device
A resonator device for testing a material quantity in the tobacco-processing industry for existence of at least one foreign substance and/or for detecting at least one of weight, density and...
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6915706 |
Variable flow float flowmeter
A flowmeter has an inlet body including a flow detector and an outlet body including a flow adjuster. The inlet body is fixed to the outlet body and forms a single piece assembly comprising an...
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