Match Document Document Title
7143655 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...
7140263 Anemometer circuit  
An anemometer circuit comprises a sensor having a resistance which varies with temperature, immersed within a moving medium, the mass flow rate of which is to be determined. A control loop causes a...
7140262 Precision variable area flowmeter apparatus  
We have invented an improved apparatus for electronically measuring fluid flow. The apparatus includes a radiation detection means for indicating the position of a flow indicator in a chamber of a...
7140261 Acoustic wave flow sensor  
An acoustic wave flow sensor is disclosed, which includes a sensor substrate and an acoustic wave diaphragm etched upon the sensor substrate, wherein mechanical stress or strain is concentrated in...
7137307 Magnetic-inductive measuring device for flowing substances and method for its production  
The invention relates to a magnetic-inductive measuring device for flowing substances with at least one subsystem respectively for carrying the substances, recording measuring signals through a...
7136777 Coriolis mass flowmeter and method for operating a coriolis mass flowmeter  
A Coriolis mass flowmeter incorporates at least one measuring tube, at least one oscillator for the excitation of the measuring tube and at least one oscillation detector for registering the...
7136761 Digital flowmeter  
A controller for a flowmeter includes an input module operable to receive a sensor signal from a sensor connected to a vibratable flowtube. The sensor signal is related to a fluid flow through the...
7135749 Pressure sensor  
A pressure sensor includes a silicon-on-insulator (SOI) substrate, a glass substrate bonded to the SOI substrate by anode bonding, a silicon island formed on a part of a silicon layer of the SOI...
7134348 Method for operating a mass flowmeter  
A method for operating a Coriolis mass flowmeter incorporates a measuring tube through which flows a medium and which is stimulated into oscillating at a minimum of one frequency, the resulting...
7134347 Vibration-type measuring sensor  
This sensor ( 1 ), for a fluid and suitable for use in a pipeline at least temporarily containing the fluid flowing therethrough, has at least one curved measuring tube ( 4, 5 ), which vibrates...
7134320 Apparatus and method for providing a density measurement augmented for entrained gas  
A flow measuring system combines a density measuring device and a device for measuring the speed of sound (SOS) propagating through the fluid flow and/or for determining the gas volume fraction...
7131451 Apparatus for controlling and metering fluid flow  
A device for metering and controlling fluid flow includes a variable orifice and is configured to use a pressure sensor. The device includes a fluid flow conduit having at least one planar inner...
7130750 Flow meter with magnetoresistive sensors and method of measuring flow  
A variable area flow meter has a magnet carried by a piston which is moved to a position representing fluid flow. An array of magnetoresistive bridge sensors adjacent the path of magnet movement...
7127954 Method and device for measuring the flow rate of a fluid  
A method for measuring the flow rate of a fluid flowing in a conduit includes separating the fluid into two portions then flowing into two branches ( 20, 22 ). Both portions are then recombined in...
7127953 Target flow meters  
A target flow meter has a target with a broad face attached to the free end of a rigid stalk. A fixed end of the stalk is attached to a rigid support secured in the system to be measured with the...
7127952 Vibration-type measurement pickup for measuring media flowing in two medium-lines, and inline measuring device having such a pickup  
A measurement pickup includes at least four measuring tubes for conveying media to be measured. Each measuring tube has a first in-/outlet end and a second in-/outlet end. During operation, the...
7127815 Method of manufacturing a Coriolis flowmeter  
A method of manufacturing a Coriolis flowmeter for the measurement of a process material requiring an ultra high level of purity. This is achieved by forming the entire flow path of the Coriolis...
7127360 Dual function flow measurement apparatus having an array of sensors  
A dual function flow measurement apparatus is provided that combines the functionality of an apparatus that measures the speed of sound propagating through a fluid flowing within a pipe, and...
7124647 Slotted flow restrictor for a mass flow meter  
A flow restrictor ( 30 ) for a mass flow metering device formed of a solid material and slots ( 32 ) originating from an outer surface towards inward.
7124646 Correcting for two-phase flow in a digital flowmeter  
A flowmeter is disclosed. The flowmeter includes a vibratable conduit, and a driver connected to the conduit that is operable to impart motion to the conduit. A sensor is connected to the conduit...
7124645 Magnetic-inductive measuring device for flowing substances and method for its production  
The invention relates to a magnetic-inductive measuring device ( 1 ) for flowing substances (substance being measured), with a measuring tube ( 2 ) and a further subsystem respectively for...
7124621 Acoustic flowmeter calibration method  
An acoustic flowmeter calibration method and sampling system address a variation in acoustic transducer delay time with increasing temperature. In one aspect, calibration of the path length between...
7124037 Devices, systems, and methods for monitoring the operation of an injection molding machine  
Devices, systems, and methods for monitoring the operation of an injection molding machine, for example, a wax injection molding machine, are disclosed. The devices, systems, and methods may be...
7121299 Regulator valve with flow indicator for a hot-water heating system  
The valve includes an intake duct ( 13 ) for conveying water into the valve, an externally projecting tubular body ( 20 ) of a transparent with an internal cavity ( 21 ) and a flow indicator rod (...
7121152 Portable flow measurement apparatus having an array of sensors  
A portable flow measuring apparatus measures the speed of sound and/or vortical disturbances propagating in a fluid flow to determine a parameter of the flow propagating through a pipe. The...
7121151 Coriolis flowmeter comprising a straight tube  
The sensor includes at least one measuring tube for guiding a fluid The measuring tube an inlet end and an outlet end, and vibrating at least at times. The measuring tube communicates, by way of a...
7121150 Method and apparatus to determine an initial flow rate in a conduit  
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...
7117751 Coriolis mass flow sensor having optical sensors  
A Coriolis mass flow sensor includes a flow tube, a light source, and a light pipe having a light inlet situated to receive light from the light source and a light outlet for emitting light...
7117750 Method for operating a magnetoinductive flowmeter  
A method for operating a magnetoinductive flowmeter of the type including a measuring tube through which flows an electrically conductive medium, at least two electrodes that are in direct...
7117749 Electromagnetic flow meter for low conductivity fluids  
An electromagnetic flow meter is disclosed which can be used to measure flow in low conductivity fluids, for example alcohol, turpentine, oil or other organic solvents. In one embodiment, the...
7117732 Fuel gauge for fuel cartridges  
Fuel gauges for fuel supplies for fuel cells are disclosed. Each fuel gauge has a property that is readable by an electrical circuit. These properties are related to the remaining fuel in the fuel...
7117595 Method for manufacturing a conveying element of an axial type flow meter used for drink vendors  
A device is described for measuring a fluid, to be used advantageously in mixing devices for ingredients of liquid drinks. The device comprises an impeller, a diffuser upstream from the impeller...
7117138 Coupled quadrilateral grid level set scheme for piezoelectric ink-jet simulation  
Methods for finite-difference-based inkjet simulation enable more precise control of ink droplet size and shape. A discrete transformation (mapping) is constructed so that a quadrilateral grid in...
7115399 Pinna reflex assay  
Method for measuring potency of a substance, the method including; administering the substance to a mammal; subjecting the mammal to a stimulus; and monitoring a pinna reflex response of the mammal.
7115107 Blood circuit for a dialysis machine and corresponding dialysis machine  
A blood circuit ( 1 ) for a dialysis machine is made form plastic material and is provided with a metallic plate ( 30 ), which is applied to an external face of the blood circuit ( 1 ) and is...
7114401 Apparatus and methods for abrasive fluid flow meter  
A system and method provides a flow measurement system for steady-state and transient flow. A housing contains a sleeve such that the sleeve is isolated from external mechanical loads. A flow...
7114400 Magnetoinductive flowmeter and method for operating a magnetoinductive flowmeter  
A magnetoinductive flowmeter incorporates a magnet for generating a magnetic field that permeates the flowmeter's measuring tube with a magnetic field component perpendicular to the direction of...
7111520 Increased sensitivity for liquid meter  
A lower cost meter comprised of an inner housing constructed out of a high permeable material surrounded by an outer housing constructed out of a lower cost, lower permeable material. A port is...
7111519 Tube assembly and method  
A flow sensor tube assembly includes a base member having first and second generally opposing sides. An opening extends through the base member, and an end of a flow sensor tube is received in the...
7110899 Phase measurement in measuring device  
Methods and apparatus for determining the phase of a signal in a measurement device having a digital signal processor are described. The signal is digitised and the digitised signal, or a signal...
7110893 Method and apparatus for measuring a parameter of a fluid flowing within a pipe using an array of sensors  
Various methods are described which increase the efficiency and accuracy of a signal processor in determining parameters of a fluid using signals output by a spatial array of sensors disposed along...
7107860 Flow meter using an expanded tube section and sensitive differential pressure measurement  
A method and apparatus for measuring the flow rate of a fluid within tubing disposed within a downhole wellbore. The present invention provides an inverse Venturi meter inserted within tubing with...
7107859 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...
7106054 Device for sensing a rotary member such as a water meter turbine  
A device for sensing the rotation of a member rotating about an axis XX′ comprises m proximity sensors situated in a plane perpendicular to the axis XX′ and in m radial directions, m being an...
7104143 Oscillating vane actuator apparatus and method for active flow control  
An oscillating vane actuator for active control of fluid flow over a surface includes a pivoted vane surrounded by a wedge-shaped chamber, and first and second conduits with openings adjacent the...
7100456 Magnetic circuit arrangement for a sensor having electrical leads attached to the mounting support  
A mount for electrical leads to a vibration-type sensor and/or for coils on a vibration-type sensor. The mount includes at least one resilient first arm attached to a first sensing tube of the...
7096744 Software correction method and apparatus for a variable orifice flow meter  
A method of improving the accuracy of a variable orifice flow meter that includes characterizing the flow coefficient of the flow meter orifice for different orifice openings and for different...
7096738 In-line annular seal-based pressure device  
A pressure sensor for measuring a pressure of a process fluid includes a vessel, an electrode and a diaphragm. The vessel receives the process fluid. The electrode is integral with an inner wall of...
7096135 Method and system for calculating the transit time of an ultrasonic pulse  
An automated method and system for calculating the transit time of a pulsed signal transmitted from a first ultrasonic transducer to a second ultrasonic transducer is provided. The method includes...
7093503 Variable phase turbine  
An axial flow turbine configured to accept different nozzles which are respectively compatible with different fluids (gas, liquid or mixture thereof). The turbine is compatible with different...