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7607098 |
System and method for dynamically controlling operation of rheometric instruments
System and methods are described for dynamically controlling operation of a rheometer. A program is created on a programming interface for executing a test upon a sample in a rheometer by receiving...
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7526945 |
System and method for measuring extensional rheology of bodily fluids
The rheological apparatus contains a first mating surface and a second mating surface. A housing moveably orients the first mating surface to the second mating surface. A biasing member contained...
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7523646 |
Filtering and measuring apparatus for oils
Disclosed is a method for measuring at least one state characteristic of oil or fat in a device that uses oil or fat and is provided with a filtering apparatus ( 1; 101 ) comprising a filter...
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7472584 |
Device to measure the solidification properties of a liquid film and method therefor
The present invention is directed to an apparatus and a method for monitoring the viscoelastic properties, of a liquid film (e.g. coating). The apparatus includes a substrate for supporting a...
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7444855 |
Orthogonal rheometer
Device for measuring the rheological properties of a viscoelastic material, formed of an upper rotating plate ( 10 ) and of a lower rotating plate ( 20 ) which are able to press against the...
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7437912 |
Device and method for sensing rheological properties of a fluid
A method and device for assessing rheological properties of a fluid, including lubricity and viscosity. The invention utilizes a tube into which the fluid is introduced, and relies on tracking the...
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7389677 |
Measuring method and device for liquid crystal viscosity coefficient
In a measuring method for determining values of viscosity coefficients of a liquid crystal by fitting Ericksen-Leslie theoretical values to measured response characteristics, in the first step, ON...
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7383731 |
Deep-fry oil quality sensor
A cooking oil quality sensing apparatus and system includes an acoustic wave sensor composed of one or more acoustic wave transducers configured upon a piezoelectric substrate such that when the...
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7353696 |
Apparatus for measuring methanol concentration
An apparatus for measuring a methanol concentration is provided. The apparatus is located in a pipe which supplies liquid fuel to the anode of a direct liquid feed fuel cell, and may include a...
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7328604 |
Microelectromechanical (MEM) fluid health sensing device and fabrication method
A microelectromechanical (MEM) fluid health sensing device comprises a viscosity sensor which provides an output that varies with the viscosity of a fluid in which it is immersed, and at least one...
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7323887 |
Conductivity sensor and manufacturing method therefor
A contacting-type conductivity sensor includes a plurality of electrodes disposed on a distal surface of a substrate. The substrate includes a plurality of vias through which electrical...
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7293450 |
Oil quality sensor structure for permanent applications
An oil quality sensor system comprise an acoustic wave viscosity and an etch rate sensor. The etch rate sensor system includes a piezoelectric substrate and one or more sensing layers configured...
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7287431 |
Wireless oil filter sensor
A wireless oil filter sensing system includes an oil filter and a sensing mechanism that is connectable to the oil filter. The sensing mechanism includes one or more acoustic wave sensing elements...
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7287415 |
Microelectromechanical system (MEMS) viscosity sensor for fluid health monitoring
Embodiments of the present invention are directed to a MEM viscosity sensor that is configured to be operated submerged in a liquid. The MEMS viscosity sensor comprises a MEMS variable capacitor...
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7281413 |
Acoustic method for determining the viscosity and/or surface tension of a liquid
The present invention comprises a noncontact method for measuring viscosity and/or surface tension information of a liquid in a liquid containment structure. The steps of the method include...
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7275419 |
Rotation rheometer of viscosimeter
A rotational rheometer or viscometer has a measuring motor for driving a measuring shaft which carries a measuring system, particularly a measuring head supported by a shaft portion, which may be...
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7228728 |
Method for determining rheological parameters of a fluid
The inventive method uses the ultrasound Doppler method (UVP) in order to determine a local velocity profile perpendicular to a line for a fluid which flows through said line, carrying suspended or...
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7219537 |
Control of equivalent shear rate in acoustic wave sensors
An apparatus and a method for controlling the shear rate at which an acoustic wave device measures viscosity, by utilizing an automatic level control or an automatic gain control circuit to control...
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7204129 |
Real-time system for detecting foreign bodies in food containers using ultrasound
An ultrasound system determines the presence of a foreign object in a container of fluid by measuring echo signals from the outer surface of the container and the inner surface of the container....
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7181957 |
Measurement, compensation and control of equivalent shear rate in acoustic wave sensors
A method for controlling the shear rate at which an acoustic wave device measures viscosity by calculating the shear rate as a function of the characteristic rate of quartz movement in response to...
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7159463 |
Sensitive and selective method and device for the detection of trace amounts of a substance
A piezoelectric crystal element and a sensor utilizing the same are presented for use in a sensor device for identifying at least one foreign material from environment. The crystal element...
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7152484 |
Sensor for detecting a physical property between two movable bodies having high tribological strain
A sensor element ( 5 ) detects a physical measurement variable such as a pressure, a temperature, a capacitance, or a gap width between two bodies ( 10, 20 ) that move in relation to each other...
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7117722 |
Method for determining viscosity of water-in-oil emulsions
Method to determine the viscosity of a water-in-oil emulsion that will be formed by an oil comprising organic acids when mixed with water comprising: determining the value of the expression:
η...
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7111499 |
Viscometer tube
A viscometer tube includes a tubular body divided into three sections: an upper feed section, a lower capillary section and an intermediate transition section providing a transition between the...
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7104117 |
Device and method for determining the quality of a medium, particularly of a lubricant and/or coolant
A device ( 1 ) for determining the qualify of a medium, particularly of a lubricant and/or cutting oil, includes a number of sensors ( 3, 4, 5, 6, 7 ) that emit electric output signals according to...
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7059176 |
Resonant tube viscosity sensing device
A method and device for assessing the viscosity of a fluid. The method and device utilize a tube with a vibrating freestanding portion into which the fluid is introduced, and relies on sensing the...
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7049147 |
Method for process line testing
An apparatus capable of characterizing the fluid content of chemicals in a reaction line comprises a rheometer. The apparatus can be connected to or included in a reaction flow stream, and has a...
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7036355 |
Viscometer
The viscometer provides a viscosity value (X η ) which represents the viscosity of a fluid flowing in a pipe connected thereto. It comprises a vibratory transducer with at least one flow tube for...
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7021122 |
Device for the determination of blood clotting by capacitance or resistance
A sensor device ( 10 ) and a method for measuring a viscosity of a sample of a liquid. The sensor features a chamber ( 12 ) for receiving the sample of the liquid, two electrodes ( 18 ) disposed...
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7013714 |
Viscosity measurement apparatus
A viscosity measurement apparatus, or viscometer, including a fluid flow channel, a heating element disposed at least around an exterior portion of the fluid flow channel near an inlet end, and a...
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6993958 |
Capillary column chromatography process and system
A microfluidic system is provided for separating components of many fluid samples in a parallel fashion through an array of capillary conduits. The system includes capillary conduits for receiving...
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6988392 |
Relaxation-type viscosimeter having a magnetic field generator and method therefor
The process for measuring viscosity relies on the observation of the relaxation of a sample drop (A) initially flattened between two plates ( 7,8 ), normally without any contact with them due to a...
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6971262 |
System and method for rheological characterization of granular materials
A system for characterizing rheological properties of granular material. A cylindrical measurement cup containing granular material is subject to a uniform vibration induced by a vibration exciter...
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6955920 |
Test cartridge for evaluating blood platelet functionality
Apparatus and method for evaluating platelet functionality of a blood sample. A cartridge includes a plurality of test cells. Each cell receives an aliquot part of a blood sample. A measured amount...
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6952950 |
System and method for automatic identification of a detachable component of an instrument
A system and method for automatic identification of a detachable component of an instrument is disclosed. The detachable component includes a machine-readable device that contains information...
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6952951 |
Method and device for measuring the viscosity of a liquid
A method and a device are proposed for measuring the viscosity of a liquid ( 12 ), a conclusion being reached on the temperature of the liquid ( 12 at the location of the viscosity sensor ( 20 ),...
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6951127 |
Digital viscometer with non contact distance sensor
Viscometer ( 80 ) with a sample cup ( 42 ) rotatable by a pulley ( 26 ) and a timing belt ( 30 ) to shear a tested fluid thus imparting torque to a bob ( 44 ) mounted on a shaft ( 10 ) supported...
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6945094 |
Viscosity measurement
The present invention relates to a method and apparatus of determining the rheological properties of a polymer flowing in a conduit. The invention provides a method of characterising a polymer...
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6941797 |
Device and method for determining the viscosities of liquids by means of the capillary force
The invention relates to a device and a method for automated and simultaneous determination of the viscosity of a plurality of liquids.
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6938463 |
Method for affinity viscosimetry and viscosimetric sensor
A method and apparatus for determining solute levels by affinity viscosimetry involving a sensitive fluid, in which the sensitive fluid flows continuously through a first hydraulic resistor in the...
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6910386 |
Method for testing flow characteristics of sealing materials
A test method for determining, quantifying, and qualifying the flow characteristics of a sealant material compound comprising the steps of applying a uniform layer of known initial mass of sealant...
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6907772 |
Dual riser/single capillary viscometer
A blood viscosity measuring system and methods for measuring blood viscosity monitors the change in height of one of two, oppositely-moving, columns of blood from the circulating blood of a patient...
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6901789 |
Method for determining parameters
A method for determining parameters for the viscosity or temperature of a brake fluid of a vehicle by way of a predetermined pressure build-up within time limits in at least one defined section of...
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6895807 |
Apparatus and method for determining oil change based upon oil viscosity
An oil change sensing system for an internal combustion engine, having an oil pressure sensor adapted to provide an oil pressure signal to an engine control module; an oil temperature sensor...
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6840092 |
Method and apparatus for rheometry, and its application to control of polymer manufacture
A method and apparatus for studying the properties of a fluid are provided in which in which a rheometer is used to obtain, for example, value(s) indicative of the shear stress in the fluid to...
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6817223 |
Compact tribology tester
An apparatus for testing properties of materials under operating conditions of the materials. The apparatus includes a hermetically sealed vessel in which a tribology tester is mounted. The...
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6810717 |
Method for determining engine lubricating oil condition
Activation energy, W, is determined from oil conductivity measurements to thereby provide engine oil condition from a known relationship between viscosity and W. Changes of W at a given temperature...
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6810718 |
Apparatus and method for fluid analysis
The present invention is an apparatus and method for analyzing a fluid used in a machine or in an industrial process line. The apparatus has at least one meter placed proximate the machine or...
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6796168 |
Method for determining a characteristic viscosity-shear rate relationship for a fluid
A method for determining the viscosity of a fluid flowing through a system at any point in the system whereby the method involves determining a characteristic relationship for the fluid between...
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6786081 |
Direct and/or opposing flowpath refrigeration
Device for direct refrigeration has heat-conductable solid member with refrigerant passageway coursing through or about; and at least one test sample well in or in proximity to it, at least one...
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