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6853928 |
Two-wire electromagnetic flowmeter
In a two-wire electromagnetic flowmeter, an exciting coil generates a magnetic field in a direction perpendicular to the flowing direction of a fluid that flows through a measurement tube. A flow...
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6852627 |
Conductive through wafer vias
Methods for fabricating a conductive contact (through-via) through a full thickness of a substrate such as a semiconductor wafer or interposer substrate, and semiconductor devices and systems...
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6851323 |
Vibratory transducer
To conduct a fluid, the transducer has a flow tube which in use is vibrated by an excitation system and whose inlet-side and outlet-side vibrations are detected by means of a sensor system. In...
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6851322 |
Method and apparatus for determining flow velocity in a channel
An ultrasonic flowmeter for measuring fluid flow are disclosed. The invention combines isolating conditioner technology with ultrasonic technology to determine flow velocity. The method and...
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6850850 |
Fluid filter flowmeter self-generating power source system and method
A flowmeter for metering the volume of flow of a fluid through a filter, to enable the level of filter usage to be indicated. A preset level of metered fluid flow volume indicates a corresponding...
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6850054 |
Device and a method for non-contacting sensing of the rotational state of a rotor
A device and a method for non-contacting sensing of the rotational state of a rotor ( 10 ). The rotor has a surface divided into an electrically conductive part ( 1 e ) and a nonconductive part ( 1...
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6848323 |
Hydraulic actuator piston measurement apparatus and method
A method and device for use with a hydraulic system is adapted to measure a position, velocity and/or acceleration of a piston of a hydraulic actuator based upon differential pressure measurement....
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6847901 |
Electromagnetic flowmeter
An electromagnetic flowmeter includes a exciting coil, exciting section, and arithmetic processing section. The exciting coil applies a magnetic field to a fluid flowing in a pipe line. The...
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6845653 |
Coating stretch tester
A test apparatus and method for predicting the minimum runnable flow of a curtain coating fluid by forcing the coating fluid out of a small round tube opening with less flow rate than is required...
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6845330 |
Electromagnetic flowmeter
An electromagnetic flowmeter includes a coil, exciting section, noise eliminating section, and arithmetic processing section. The coil applies a magnetic field to a fluid flowing in a pipe line....
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6843139 |
Flow instrument with multisensors
An instrument used to control fluid flow. The instrument has a flow restrictor between an inlet and an outlet. First and second multisensor have sensing surfaces in the inlet and outlet that sense...
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6843138 |
Method and apparatus for measuring air flow
A method and apparatus includes a multi-position valve that restricts the air flow when the valve is placed in one position. Pressure tap valves are located are the inlet and outlet ports to...
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6843137 |
Flowmeter fault detection
A previously unidentified problem of clipping in the input stages of flowmeter sensing circuitry has been identified and addressed. A solution is provided by flowmeter sensing circuitry,...
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6843136 |
Magnetoinductive flowmeter
A magnetoinductive flowmeter that serves to measure the flow rate of a moving medium incorporates a measuring conduit, a sampling-electrode channel extending through the wall of the measuring...
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6842716 |
Method and apparatus for measuring the propagation time of a signal, in particular a ultrasonic signal
Propagation time T p of an ultrasound signal between two spaced-apart transducers constituting an emitter and a receiver is measured. The emitter transducer is subjected to an excitation signal of...
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6842705 |
Gas flow rate measuring device and gas flow rate measuring method
A gas flow measuring device and gas flow measuring method are disclosed wherein specific gas component of measuring object gas or target gas composed of gas different from the specific gas...
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6840116 |
Kelvin sensed hot-wire anemometer
A Kelvin sensed hot-wire anemometer includes four electrically conductive pins and a filament welded to all four pins, preferably using a single filament. A current source is coupled to the two...
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6840109 |
Vibratory transducer
To conduct a fluid, the transducer has a flow tube which in operation vibrated by an excitation assembly. Inlet-side and outlet-side vibrations of the flow tube are sensed by means of a sensor...
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6837113 |
Enhanced velocity estimation in ultrasonic flow meters
Methods and apparatus for operating an ultrasonic flow meter to accurately estimate the average flow velocity in a pipe when the meter has at least one failed chord and one non-failed chord. The...
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6834667 |
Adjustment pipe for fuel injection valve, and press-fitting structure and press-fitting method for the same
In a fuel injection valve, an adjustment pipe made of stainless steel and for adjusting a compression amount of a spring biasing a valve member is press-fitted into a cylindrical housing made of...
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6834557 |
Measuring and operating circuit for a coriolis-type mass flowmeter
According to the invention, a digital processor (DSP) is provided in a measuring and operating circuit for a Coriolis-type mass flowmeter. From the vibration sensor signals, said digital processor...
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6834556 |
Techniques for monitoring health of vessels containing fluids
Some techniques for monitoring health of a vessel include attaching a sensor suite of one or more sensors to an outer skin of the vessel and providing power for the sensor suite based on a...
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6834555 |
Magnetoinductive flow measuring method
A magnetoinductive flow measuring method for measuring the flow rate of a medium flowing through a measuring tube is described that incorporates two measuring electrodes positioned along a...
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6834241 |
Programmable coriolis flow meter electronics for outputting information over a single output port
Flow meter electronics are described for providing a flow rate of a material flowing through a flow meter sensor of a Coriolis flow meter. The flow meter electronics comprise a processing system...
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6832620 |
Apparatus for dosing lubricant into an air line
An apparatus for dosing lubricant into a compressed air flow includes a lubricant container, a pneumatically operated lubricant pump, an injection channel, a non-return valve interposed between the...
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6832527 |
Flow sensor
A flow sensor with a tube through which flows a medium to be measured and a housing comprising a lower shell and an upper shell and receiving electronics with unions provided with a flow bore...
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6832520 |
Floating-probe flowmeter
A floating-probe flowmeter for measuring the flow rate of a moving medium includes a measuring tube through which flows a medium against the force of gravity and a float capable of moving at least...
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6830080 |
Output control for turbine vapor flow meter
A turbine flow meter used as a vapor flow meter in a vapor recovery-equipped fuel dispenser. The turbine flow meter measures the vapor recovered by the fuel dispenser during a fueling operation...
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6829948 |
Flow meter
An input unit for receiving a signal from an oscillator corresponds to an ultrasonic wave received by the oscillator has an input impedance significantly smaller than an impedance of an...
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6829947 |
Acoustic Doppler downhole fluid flow measurement
apparatus and system are disclosed for in situ measurement of downhole fluid flow using Doppler techniques. First, a baseline speed of sound is established as close to the desired measurement point...
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6829946 |
Electromagnetic flowmeter
In an electromagnetic flowmeter, a fluid to be measured flows through a measuring pipe. An electrode in the measuring pipe detects an electromotive force generated by a magnetic field applied to...
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6827374 |
Junction member for a hydraulic circuit
A junction element for a hydraulic fluid circuit, comprising a body ( 1 ) which is provided with inner channels ( 2,3 ) leading in an outer direction through a plurality of connection elements (...
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6826967 |
Mass flow measuring device
An elevator for bulk material includes an elevator head that mounts a mass flow measuring device. The mass flow measuring device includes an achoring plate, a resiliently deformable connection; a...
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6826966 |
Flow sensor package
A flow sensor package with a housing, a pressure sensing element, a restriction, and an elastomeric seal. The housing has a base, a cover, an inlet port, an outlet port, and first and second...
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6826965 |
Anti-parallel tag flow measurement system
A tag flow measurement system wherein a first and a second measurement path are provided across a flowing fluid, and a receiver in each path receives signals modulated by scatters in the fluid. The...
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6826964 |
Method for measuring properties of flowing fluids, and a metering device and a sensor used for performing this method
A method for measuring properties of a flowing fluid composition comprising at least two different components, while the fluid composition is flowing through a duct or channel, which flow meter...
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6823743 |
Method and apparatus for measuring concentrations of components of fluid
A method and an apparatus for measuring the concentrations of the components of a fluid are described, which can be used to measure the concentrations of the components continuously in real time...
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6823742 |
Piezoelectric transducer assemblies and methods for their use
Piezoelectric transducer assemblies that are useful for the monitoring of the gas output from a gas driven pump, wherein the assembly is not an integral part of the input or output flow stream of...
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6823271 |
Multi-phase flow meter for crude oil
An apparatus, systems, and method for measuring an amount of oil in a flow of fluid at varying depths of the flow of fluid are provided. A support structure is configured to be submerged in a flow...
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6820501 |
Differential static pressure measuring and activating device and control mechanism
A differential static pressure measuring or activating device measuring fluid flow through a duct including two pitot tubes each including a proximal end connected to a valve, a distal end portion...
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6820500 |
Small pipe bore ultrasonic flowmeter detector
A flowmeter detector for determining the flow volume of a fluid medium that includes a measuring line having first and second ends and a fluid medium entry and exit ports adjacent the fist and...
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6820499 |
Method for determining the uncertainty factor of a measuring procedure employing a measuring frequency
A method is described for determining the uncertainty factor of a measuring process employing a measuring frequency, especially a magnetoinductive flow measuring procedure, whereby for each...
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6817252 |
Piston position measuring device
A measuring device is provided for determining a position of a piston contained within a hydraulic actuator as a function of a hydraulic fluid flow. The measuring device includes a bi-directional...
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6817251 |
Method of reducing particle build-up on a surface located within a recess of a conduit carrying particulate material
Method and housing ( 2 ) for reducing particulate build-up on a surface of a device ( 5 ) contained in a recess ( 4 ) defined by the housing ( 2 ) when attached to a conduit. The method includes...
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6817250 |
Acoustic gas meter with a temperature probe having an elongated sensor region
An acoustic gas meter has an acoustic transmitter/receiver arrangement disposed within a gas flow conduit for transmitting and receiving acoustic energy along an acoustic path. A temperature probe...
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6817249 |
Measurement pipe for electromagnetic flowmeter
A measurement pipe for an electromagnetic flowmeter includes a cylindrical pipe main body, a pair of flanges, and a lining material. The cylindrical pipe main body has openings at its two ends. The...
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6814992 |
Anaerobic fermentation method and apparatus
A method and apparatus for monitoring a liquid undergoing anaerobic fermentation in a vessel is disclosed. The apparatus comprises an airlock containing a fluid for sealing the vessel and an...
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6813964 |
Fluid flow measurement device
The invention is directed to a device for obtaining flow rate measurements including a sensor assembly and a housing. The sensor assembly includes a body defining a first fluid flow passage having...
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6813963 |
Fluid velocity transducer
A transducer for measuring the relative velocity of movement of a body in a liquid or gaseous medium employs no reciprocating parts and functions by sensing the force applied to a diaphragm ( 6 )...
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6813962 |
Distributed sound speed measurements for multiphase flow measurement
A multiphase flow meter distributed system is disclosed that is capable of measuring phase flow rates of a multiphase fluid. The distributed system includes at least one flow meter disposed along...
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