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WO/1996/005524A1 |
A sound detection and ranging (SODAR) system for taking wind measurements by sending out acoustic pulses and then measuring acoustic energy reflected back to the instrument by the atmosphere. The acoustic pulses are formed using digital ...
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WO/1996/003636A1 |
A dynamic light scattering analyser which comprises a cell housing (3) and a cell chamber (9), the cell chamber (9) being formed within the cell housing (3) such that the cell chamber (9) is exposed to a membrane (17) which is capable of...
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WO/1996/001983A1 |
A temperature and/or current detecting sensor (100) has a substrate (102) and a structured resistive layer (104) arranged on the substrate (102). The resistive layer (104) is a platinum-rhodium layer that consists of a tempered platinum ...
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WO/1996/000488A1 |
Use of a fluid flow measuring device as a microphone for detecting acoustic waves, said fluid flow measuring device comprising at least one heating element (H), at least a first temperature sensor (S1) arranged at a first predetermined s...
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WO/1995/035482A1 |
Method for measuring mass flows in a dispersion flow. In the method, the concentration of the substance under measurement in the dispersion flow and the velocity of flow of said substance in the flow duct are measured. The velocity of fl...
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WO/1995/035448A1 |
A fluidic oscillator symmetrical with respect to a longitudinal plane of symmetry (P) in which the longitudinal direction of a fluid flow lies. Said oscillator includes a component (26b) for generating a two-dimensional fluid jet oscilla...
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WO/1995/033998A1 |
Portable compact laser Doppler velocimeter which is easy to use and comprises a laser source (1g), a splitter consisting of an opatque objet (6), splitting the beam (1h) from the laser source (1g) into two beams (1l and 1j) focussed by a...
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WO/1995/033978A1 |
In a flow-rate sensor with a heating element (104), a first temperature sensor (106) for determining the temperature of the heating element (104) and a second temperature sensor (108) arranged at a distance from the first temperature sen...
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WO/1995/033999A1 |
Fluid velocity measurement apparatus which utilises Doppler-shift spectral analysis includes a narrow line width light source (1), the light from which passes through a beam expander (3) to provide an irradiated region, for example a two...
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WO/1995/033186A1 |
An electrical control circuit for a constant temperature anemometer includes a first operational amplifier coupled to receive inputs from two intermediate terminals of the Wheatstone bridge, and to generate an output voltage in response ...
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WO/1995/030884A1 |
A meter (10) is provided for measuring a flow rate of a material (18, 30) moving along a flow path (12, 26). The meter (10) includes an antenna (44) positioned at a location along the flow path (12, 26), and a transceiver (46) electrical...
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WO/1995/028619A1 |
The present invention relates to an acoustic measurement method of low measurement for the determination of fluid flow velocity (v), volumetric flow (Q) and/or mass flow rate (M) in a measurement pipe section (1) by way of determining ov...
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WO/1995/027895A1 |
The invention concerns a method for the determination of physical composition parameters of a multicomponent and/or multiphase medium, the medium flowing through electromagnetic cavity resonators and the dielectric constants of the mediu...
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WO/1995/023338A1 |
A sensor arrangement for measuring mass flow rates of gaseous or liquid media comprises a multiplier (2) resistor and a heating film in the form of a flat, elongated heating resistor (3) with a controllable current supply, whose temperat...
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WO/1995/020751A1 |
The invention concerns a temperature sensor with at least two semiconductor diodes, designed as pn-junctions in a semiconductor substrate, the diodes supplying electrical signals characteristic of the temperature being measured. At least...
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WO/1995/020166A1 |
A device for measuring the velocity of a flow of fluid, particularly a device of what is known as the heat removal type, in which a heat exchanger element (1) interacts with the flow of fluid, the heat exchange flow between the heat exch...
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WO/1995/018956A1 |
In a flowmeter pipe are arranged two ultrasonic transducers which are operated alternately as a transmitter and a receiver. The two ultrasonic transducers are triggered via a transistor circuit. Both the triggering and evaluation unit me...
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WO/1995/017851A1 |
A shear rate imaging method uses magnetic resonance to detect the distribution of velocities within a subject. Distributions are measured responsive to at least two different field-of-views. Differences of the velocity distribution obtai...
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WO/1995/018389A1 |
A method of simultaneous imaging (900) multiple components of velocity of moving materials within a subject employs magnetic resonance. Velocity encoding (955) is performed by computing differences of data obtained with modulated motion ...
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WO/1995/018386A1 |
A motion imaging method (600) uses magnetic resonance to detect the two or more components of motion such as velocity, acceleration or jerk within a subject. One component of motion is detected by computing differences of data obtained w...
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WO/1995/018388A1 |
A motion imaging method uses magnetic resonance to detect acceleration, and a velocity distribution within moving materials in a subject (800). Acceleration encoding is performed by computing differences of data obtained with modulated m...
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WO/1995/018387A1 |
A motion imaging method (700) uses magnetic resonance to detect velocity, and an acceleration distribution within moving materials in a subject. Velocity encoding (300-340) is performed by computing differences of data obtained with modu...
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WO/1995/016186A1 |
By varying the design and/or arrangement, this probe can take the form of a flow monitor and/or flow rate and/or volume flow and/or mass flow and/or density sensor. To this end, the probe (2), which can be inserted in the wall of a pipe ...
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WO/1995/014214A1 |
Processed measurements are provided by at least one pressure head sensor (SN) in a collecting drain (C1), and a plurality of flow velocity sensors obliquely arranged at various selected levels (L1, L2) in the drain. An acquisition unit (...
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WO/1995/012118A1 |
A method and apparatus for real-time monitoring of particulates in a fluid (200). The fluid (200) is illuminated by illuminating system (10, 16), and an image (202, 204, 212, 214) formed of the interior of the fluid (200). The image (202...
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WO/1995/008122A1 |
An air data sensing probe (100) is adapted for mounting to an areodynamically-shaped airfoil or strut (106) attached to an air vehicle (104). An inlet port (112) located near the leading edge of the strut (106) admits fluid to a first ca...
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WO/1995/008101A1 |
An aerodynamic air data sensing probe (10, 45) adapted for mounting to an air vehicle (14, 14A, 14B) and capable of generating signals related to a fluid flowing relative to the air vehicle (14, 14A, 14B). A fluid inlet (11, 11A, 53) pos...
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WO/1995/006855A1 |
A device for measuring the flow of fluid media, especially air or gases, has a sensor or measuring unit, part of the length of which is inside a closed housing and, with another section, forms a surface acted upon by the flow of the medi...
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WO/1995/006265A1 |
A geostrophic winds forecasting method (10) determines an atmospheric density (D) (14) and a Coriolis parameter (F) (16) at a given location. The atmospheric pressure is detected N times (20) at the location over a predetermined period o...
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WO/1995/004258A1 |
A fluid flow meter comprises a pair of transducers (1, 2) spaced apart in the direction of fluid flow. A transmitter (13) is connected by a first electrical circuit to the transducers (1, 2) for causing acoustic signals to be transmitted...
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WO/1995/004338A2 |
A smoke detection system includes a microprocessor (45) which performs a statistical analysis wherein newer readings for the smoke content of an air stream are accorded greater influence on outputs from the microprocessor than are older ...
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WO/1995/002164A1 |
A fluid flow meter fabricated by micromachining techniques measures a wide range of fluid flow rates. Two serial portions (2a, 2b) of an enclosed channel (2) have different cross-sectional areas, and therefore different flow rates. Each ...
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WO/1995/002169A2 |
An apparatus for measuring the time of flight of a signal is provided. The apparatus for measuring the time of flight of a signal comprises a transmitter for emitting a signal, a receiver for receiving the signal from the transmitter, an...
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WO/1995/001572A1 |
The invention relates to a process for directly determining the direction of recorded tracks of moving objects when picking up images on an image detector. The detected object tracks are given graphic data in arrow or vector form in real...
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WO/1994/029708A1 |
The invention relates to an electrochemical sensor with interdigital micro-electrodes (1) with structure widths in the sub-mum range. With a twin or multi-pair array of the interdigital micro-electrodes on a substrate (8), the electroche...
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WO/1994/024522A1 |
A process for detecting the flow of an open-surfaced liquid flowing in a channel using gas bubbles as the measuring medium, and an arrangement and device for implementing the process. It is possible with the process and arrangement of th...
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WO/1994/022686A1 |
An apparatus for monitoring the alcohol level of an individual's breath allows a motor vehicle or other equipment to be operated only when the alcohol level is below a predetermined value. In addition to breath alcohol, the temperature a...
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WO/1994/022022A2 |
An anemometer transducer wind set with no moving parts for determining both wind speed and wind direction having an omnidirectional wind speed resultant thermal anemometer transducer and a directional orthogonal anemometer transducer. Om...
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WO/1994/020825A1 |
The invention provides an improved method and apparatus, for measuring gas flow velocity. The invention is particular well suited for use in measuring flow velocity of noxious and/or explosive gases in a corrosive environment such as lan...
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WO/1994/017372A1 |
A fluid flow meter comprises a pair of transducers (8, 9) spaced apart in the direction of fluid flow. A transmitter (20) causes acoustic signals to be transmitted in both directions through the fluid by the transducers. A processor (22)...
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WO/1994/017374A1 |
A cross correlation fluid flow meter comprising a body having first and second sensor means positioned such that in use they are spaced apart a known distance in the direction of fluid flow, each sensor means comprising a signal transmit...
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WO/1994/017373A1 |
The invention concerns a procedure for determining material flow velocity by the cross-correlation method, wherein the travelling time (td) of the flow on a known sensor interval (d) between microwave sensors is determined as delay indic...
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WO/1994/017371A1 |
A fluid flow meter comprises a pair of transducers (8, 9) spaced apart in the direction of fluid flow. A signal generator (20) causes acoustic signals to be transmitted in both directions through the fluid by the transducers (8, 9). A di...
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WO/1994/015832A1 |
An aircraft structural component (13) which during flight of the aircraft produces over a predetermined frontal region (22) thereof aerodynamic pressures thereon which vary in a predetermined manner in response to predetermined variation...
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WO/1994/014075A1 |
A deployable probe (10) has pressure ports (21A, 22A, 23A, 24A) positioned radially around a longitudinal probe axis. The probe (10) mounts within a pressure chamber (30) such that it can reciprocate from a retracted position where the p...
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WO/1994/009372A1 |
A method is described of tracing the movement of particles conveyed by a fluid medium by determining selected properties of the particles to be traced, selecting or forming tracer particles the corresponding properties of which are subst...
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WO/1994/007147A1 |
State-of-the-art bore hole processes mostly use radioisotopes, dyes or other tracer substances, and groundwater flow characteristic values are usually detected by tracer concentration variations per unit of time. Radial tracer diffusion,...
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WO/1994/004890A1 |
In order to improve the accuracy of the measuring results of ultrasonic flow meters each individual flow meter is tested and adjusted prior to taking the flow meter in use. The adjustment of the flow meter comprises providing through the...
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WO/1994/002858A1 |
The present invention relates to an air data sensing probe (10) that has a cylindrical barrel (12) joined to a contoured strut section (16). The strut has leading (26) and trailing (32) edges formed along curved paths, and supports the c...
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WO/1993/021500A1 |
Method and device for acoustic flow measurement for measurement of the flow velocity (v) of gases and/or of quantities derived from same. A long-wave sound is transmitted into the measurement pipe (10) and, by means of two sound detector...
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