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6898339 |
Multiple mode pre-loadable fiber optic pressure and temperature sensor
A multiple mode pre-loadable fiber optic pressure and temperature sensor includes a generally cylindrical structure having at least one compression element, a fiber optic having a Bragg grating in...
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6895826 |
Coriolis mass flowmeter
The Coriolis mass flow meter of this invention comprises two parallel curved flow tubes 1 and 2, a drive unit 15, and a pair of vibration sensors 16 and 17. An inlet-side manifold 24 ...
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6895825 |
Ultrasonic transducer assembly for monitoring a fluid flowing through a duct
An ultrasonic transducer assembly for helping monitor a fluid flowing through a duct is disclosed herein. The assembly includes: (1) a piezoelectric transducer element having a first contact...
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6895824 |
Apparatus for measuring the velocity and/or through-flow of a fluid
A body for a flow meter for measuring the flow velocity and/or the volumetric through-flow of fluids. The flow meter body has a tubular center piece with connecting flanges for connection to a...
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6895823 |
Device for measuring the flow rate and/or the flow throughput of a fluid
A device for measuring the flow velocity and/or the throughput of a fluid by means of ultrasound, with at least one ultrasonic transducer ( 16, 18 ) arranged on the outside of a wall ( 14 ) of a...
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6895812 |
Cup anemometer
The present invention relates to a cup anemometer having at least two cups ( 1 ) each attached to an arm ( 2 ) of a hub ( 3 ) on a rotary shaft. By cup is meant a generally seen cup-shaped body...
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6893152 |
Method and device for evaluating a fuel gas wobbe index
A method for evaluating the Wobbe index of a fuel gas belonging to a family of gases. The method includes measuring mass flow rates the fuel gas and of a reference gas, which is not necessarily a...
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6892586 |
Measuring and controlling the flow of flowable materials
A method of determining an inlet flow rate (F inlet ) of a flowable material including passing an inlet stream of flowable material through a chamber ( 20 ) having an outlet aperture ( 100 );...
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6892584 |
Fabricated pitot probe assembly
A pitot pressure sensing probe assembly is made up of individual components comprising a barrel formed with a longitudinal interior passageway and a conical end cap at its leading end. A strut that...
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6892571 |
Sensor for the measurement of flowspeeds and method for operating the same
A sensor for measuring a flow speed of a fluid medium includes a housing with a carrier membrane disposed in the housing and being essentially in a form of a vane having a circumference and at...
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6889564 |
Peak flow meter
A peak flow meter for measuring a peak flow or air exhaled by a patient. The preferred peak flow meter includes a substantially hollow housing having a top portion, a bottom portion, an air inlet...
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6889563 |
Position measuring device using change in inductance of coil, float-type flowmeter, and position measuring method
A float-type flowmeter measures the rate of a fluid flowing upwardly through a tube based on the position of a float movably disposed in the tube and including a magnetic material. A coil is wound...
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6889562 |
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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6889561 |
Mass flowmeter and method for correcting the measurement signal of a mass flowmeter
Disclosed is a method for correcting the measurement signal of a mass flowmeter for flowing media of the type which works on the Coriolis principle and has at least one straight measuring tube...
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6889560 |
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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6889559 |
Flow metering
A flow meter incorporating thermal loss sensors and an installation adapter to provide known flow conditions upstream of the meter. The installation adapter is in the form of a tubular extension...
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6886414 |
Power generating meter
Flow device for generating electrical power from fluid flow. The device comprises rotatable structure driven by the fluid, which in turn drives a magnetic field generator. A magnetic sensor...
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6886413 |
Flow rate sensor
A flow rate sensor includes a first body and a second body airtightly and detachably abutting each other. The first body and the second body respectively-include a passage defined therein. The two...
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6886412 |
Ultrasonic-wave propagation-time measuring method and gas concentration sensor
An ultrasonic-wave propagation-time measuring method and gas concentration sensor are disclosed in which a reception wave which has been transmitted and received by an ultrasonic element 5 is...
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6883390 |
Instrument for measuring water-spray blast force
A system measures dynamic force of an impacting spray of air and water. A pitot-tube section is aligned to receive a longitudinal flow of impacting air/water spray in a laterally extending orifice....
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6883389 |
Flow averaging tube and method of using same
A flow meter of the pitot type. The meter incorporates a series of apertures along a probe body for exposure to a fluid stream. The result is a number of datum which are averaged and correlated to...
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6883388 |
Self-cleaning flow meter having adjacent inlet and outlet fluid flow passageways
A flow meter having a float slideably mounted along a float rod centrally located within a flow meter body, the float assuming a height along the flow meter float rod representative of fluid...
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6883387 |
Magnetic circuit arrangement for a transducer
The magnetic circuit arrangement, which is preferably used in a fluid-measuring transducer, comprises at least one coil which is traversed in operation by a current. It further comprises two...
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6883386 |
Ultrasonic flow rate measurement instrument
It is an object to provide an ultrasonic flow amount measuring device in which a direction and position of a transducer can be accurately fixed, thereby improving workability such as a reduction in...
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6881953 |
Method of tracing drains
The claimed method of tracing drains starts with a comprehensive building survey in which all existing drains are numbered. A Master Blueprint and a Master Spreadsheet are created using information...
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6881507 |
Method and apparatus for measuring the mass flow of hydrogen in a fuel cell
The mass flow of hydrogen fuel in the anode loop of a hydrogen fuel cell is measured using a rotating flow meter. The flow meter includes a bladed rotor mounted for rotation within a tube disposed...
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6880410 |
Transducer and method for measuring a fluid flowing in a pipe
The transducer serves to generate a measurement signal corresponding to at least one physical parameter of a fluid flowing in a pipe. It comprises a flow tube of predeterminable lumen for...
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6879166 |
Microwave measurement of phase equilibria
A microwave resonator apparatus (35) includes a microwave resonant cavity (36) in fluid communication chamber (38) are dimensioned to ensure high attenuation of resonant electromagnetic fields...
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6877387 |
Method for measuring displacement of a fluid in a conduit
The invention concerns a method for measuring the displacement of a fluid in a conduit, by measuring the transit time of ultrasounds between two transducers ( 12, 13 ), in one direction and in the...
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6877386 |
Insert for a measuring tube of an inductive flowmeter
An insert for a measuring tube of an inductive flowmeter is disclosed, having a middle section and two end sections, in which at least one end section is of resilient construction and the middle...
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6877375 |
System and technique for characterizing fluids using ultrasonic diffraction grating spectroscopy
A system for determining a property of a fluid based on ultrasonic diffraction grating spectroscopy includes a diffraction grating on a solid in contact with the fluid. An interrogation device...
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6877359 |
Liquid leak detection
Liquid leaks from a vessel cause shorts between at least one elongate sensing wire and another conductor when the fluid absorbs into the porous sheath of the sensing wire. The other conductor may...
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6874375 |
Piotless nozzle
A method and device for obtaining an accurate flow rate measurement through a fluid flow system. A nozzle and gauge tapping combination is connected to a fluid flow system. Fluid enters the nozzle...
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6874374 |
Flowmeter apparatus
A flowmeter is described which has a retrievable housing conduit which is locatable within a conduit or pipe and which seals against the pipe so that fluid only flows through the housing conduit,...
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6874373 |
Mass flowmeter having a connecting element and a reinforcing element
A mass flowmeter that operates by the Coriolis principle and incorporates an enclosure, a Coriolis line and a connection that connects the mass flowmeter to a port of a pipeline system. The...
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6874372 |
Device for measuring the flow rate of fluids
The device comprises a tubular stator intended to be fixed in a pipe, so as to be traversed, in use, by said stream of fluid, and in which there is axially mounted a rotor which has a central hub...
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6874371 |
Ultrasonic seepage meter
An ultrasonic flow meter has been adapted for such measurements in the submarine environment. Connected to a collection funnel, the meter houses two piezoelectric transducers mounted at opposite...
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6871666 |
Bi-directional dual chamber orifice fitting
Methods and apparatus for a bi-directional dual chamber orifice fitting comprising a body with a chamber in fluid communication with a flow bore. The fitting also comprises an orifice supported by...
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6871551 |
Apparatus for generating and conducting a fluid flow, and method of monitoring said apparatus
The apparatus comprises a displacement pump with at least one flow vessel, with a pump drive, and with a support means for holding the flow vessel. Furthermore, the apparatus comprises a measuring...
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6871535 |
Flow direction detector
A flow direction detector is provided which includes a flow disruptor positioned in a fluid flow path to effect a detectable differential flow characteristic to such flow path based on fluid flow...
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6869425 |
Temperature compensation system for regulating flow through tubing in a pump
A peristaltic pump is provided with a housing, a pump head in the housing, and a receiving path defined along a housing and pump head for receiving tubing. Two spaced-apart temperature sensors are...
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6868741 |
Device and method enabling fluid characteristic measurement utilizing fluid acceleration
Devices and methods for enabling measurement of a selected fluid characteristic in fluid flowing through a conduit. The device includes a body connected in the conduit having an accelerator section...
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6868740 |
Mass flow rate measuring device and process for measuring the pressure with a mass flow rate measuring device
A mass flow rate measuring process measures the pressure on a mass flow rate measuring device. The mass flow rate measuring device works on the Coriolis principle and has a measuring line whereby a...
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6868739 |
Method and apparatus to measure blood flow by an introduced volume change
A method and apparatus for determining an initial flow rate in a conduit is disclosed. A known change is made to the flow to be measured, resulting changes (or values corresponding to these...
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6865957 |
Adaptable fluid mass flow meter device
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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6865956 |
Electromagnetic flowmeter
When a plane (PLN) which includes electrodes ( 2 a , 2 b ) and is perpendicular to the direction of an axis (PAX) of a measuring pipe ( 1 ) is defined as a boundary in the measuring pipe ( 1 ), an...
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6865935 |
System and method for steam turbine backpressure control using dynamic pressure sensors
A system ( 10 ) controlling operation of a steam turbine (T). Sensors ( 12 ) measure dynamic pressure level variations in a stage (S 1 -Sn) of the turbine. A signal (Ps) from a sensor is converted...
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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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6862941 |
Heat flux measurement pipe and method for determining sprinkler water delivery requirement
A device is provided for measuring heat flux from a test material exposed to a flame. The device includes of an elongate element defining a passageway for a fluid, a fluid flowing through the...
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6860988 |
Fluid filtration system with fluid flow meter
A water filtration system incorporating a fluid flow meter has a modular turbine casing assembly in which a turbine is located between upstream and downstream casing elements of identical shape and...
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