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8079250 |
Viscometer system utilizing an optical flow cell
A viscometer system to determine the viscosity of a fluid utilizes an existing flow cell, which maintains a calibrated constriction that is defined by a predetermined constant value K is disclosed....
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7770436 |
Micro rheometer for measuring flow viscosity and elasticity for micron sample volumes
A micro-rheometer for measuring flow characteristics such as viscosity, elasticity, and flow rate of a sample liquid combines well defined micro-fabricated flow channels having geometry changes...
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7735362 |
Thermomechanical sensor for fluid diagnostics
A method for diagnosing a fluid includes sensing a property of the fluid and the temperature of the fluid at the time the property is sensed, then determining the status of the fluid from the...
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7441442 |
System for determining the displacement of a movable member
A means for simultaneous determination of the radial and angular vectors of rotary motion of a body relative to a single reference axis, by measurement of the common aid differential states of...
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7373804 |
Scanning brookfield dry block
Scanning Brookfield dry block instrument component, viscometer instrument, and method of use of the instrument can employ direct refrigeration with heat provision. A thermoelectric chip substitute...
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7367224 |
Rheometer and method for temperature control of its measuring chamber
A rheometer has a measuring chamber which is delimited by a measuring chamber wall in which at least one measuring component is disposed for acceptance of a sample. The measuring chamber can have a...
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7290441 |
Micro slit viscometer with monolithically integrated pressure sensors
An improved micro slit viscometer includes a combined micrometer depth rectangular slit flow channel with monolithically integrated multiple pressure sensors in the flow channels and a pumping...
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7168299 |
Heat spreader for rotary rheometer
A rotary rheometer having a an upper heating/cooling assembly and a lower heating/cooling assembly located opposite one another opposite a sample gap. The lower heating/cooling assembly may...
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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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6948356 |
Viscoelasticity measuring instrument
A viscoelasticity measuring instrument for measuring a viscoelasticity of a sample has a temperature detection control unit for obtaining, prior to a practical measurement operation, a measurement...
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6840305 |
Cold cranking simulator having hybrid heat transfer system
A heat transfer apparatus for use in measuring a rheological property of a test sample includes a receptacle for receiving the test sample and a heat conveying member in heat transfer relation to...
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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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6786080 |
Method for assessing the deterioration of motor oil
A method for assessing the deterioration of motor oil is provided, in which the oil viscosity of the motor oil is measured by a sensor, and the length of an oil-change interval is determined in an...
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6708554 |
Rotational rheometer
A rotational rheometer has a cylindrical outer housing into which a measuring container can be inserted substantially coaxially thereby forming a radial annular space. The measuring container has a...
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6698275 |
Rotational rheometer
A rotational rheometer is provided with a heat control cup located around a measuring cup having a wall thickness decreasing gradually from the bottom of the cup to its outer rim. Temperature of...
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6580056 |
Biological specimen heating device and quality control method for immunohistochemistry heat retrieval procedures
A heating device for heating biological specimens is comprised of an electric pressure cooker with a pressure gauge, and a temperature sensor connected to a controller with a temperature display...
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6571610 |
Rotary rheometer
A rotary rheometer has a measurement motor (1) rotating a measuring shaft (16) on which an upper, and in particular a plate-shaped or conical, measuring part (4) is fastened. A measuring gap (S) is...
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6240770 |
Rotary viscosimeter
A rotary viscosimeter which has a rotary measuring cylinder that is disposed in a cylindrical measuring cup holding the sample to be tested in a measuring gap formed between the cylinder and the...
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6164818 |
Method and apparatus for measuring viscous heating of viscoelastic materials
Method and apparatus for measuring viscous heating/heat build-up of viscoelastic materials, such as rubber and polymer compounds. Temperature changes in the viscoelastic material are measured...
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5996404 |
On-line dense paste rheological testing apparatus and method
This invention relates to an on-line instrument that is able to sample the contents of a dense paste-like material, isolate the material, measure the material's rheological properties by extruding...
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5874665 |
Rheological measuring device
A rheological measuring device comprising a rotatable shaft 911), a first measuring body (12) operatively connected to a first end of said shaft (11) and a second measuring body (13) operatively...
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5852230 |
Device to test pumpability of oils at low temperature
Device can include an array of stators placed in a carousel which can hold the stators in the array apart from one another while precisely cooled by a suitable source. For example, the device can...
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5696315 |
Method and apparatus for measuring viscosity
An apparatus for measuring viscosity of liquids includes an external chamber (10) which encloses an internal chamber/duct (20) having an inlet (21) and an outlet (22). Internal chamber (20) houses...
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5587522 |
Multiple-part and/or supported gas-containing vessel to establish desired heat flux
Vessel, useful in heat transmission regulation, includes a sealable, outer housing and a sample compartment generally enclosed therein such that a hollow portion between at least a part of the...
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5540088 |
Rheometer and method of measuring rheological properties
A rheometer has temperature control means which include a bath through which liquid is circulated, so that it will completely immerse both the upper and lower probes or plates between which a...
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5526681 |
Gas-containing vessel to establish desired heat flux
A vessel has a sealable, hollow housing about a sample compartment, and the hollow portion contains a predetermined amount of a gas. It provides for heat transmission control. Accordingly, for an...
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5308953 |
Heater block holder for a capillary rheometer plunger pressure transducer
A capillary rheometer plunger having a liquid-filled capillary passage extending within the plunger is removably housed in a heater block holder for maintaining temperature stability and minimizing...
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4879897 |
Method and apparatus for the determination of viscosity
A method for measuring the viscosity of liquids including homogeneously mixed suspensions at known temperatures is provided. The method concerns rapidly adjusting the temperature of the liquid,...
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4878379 |
Rheometer
A rheometer having relatively movable shearing elements (4,5) for imposing shear forces on a sample of material placed between such elements, is provided with heating means comprising an induction...
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4790668 |
Viscometric thermometer
A viscometric thermometer is fabricated with two sensing capillaries connected serially in a common fluid flow circuit. The first capillary is immersed in a reference bath of known constant...
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4630468 |
Viscometer
A method and apparatus are provided for measuring the viscosity of a fluid medium such as drilling mud. A rotary member is mounted within a housing for free rotation and viscous drag means applies...
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4524611 |
Rheometer for measuring high pressure and high temperature with sampling
Rheometer for effecting measurement of rheological properties in a medium, comprising a hollow body (2) having an inner chamber (3) with a lower zone (3A) and an upper zone (3B) of enlarged...
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4472963 |
Cold cranking simulator including a sample supply system and viscometer
A cold cranking system for measuring the viscosity of lubricating oils is disclosed. The system includes a viscometer having means for cooling a sample of the oils to a desired temperature for the...
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4466276 |
Consistometer
A high temperature and high pressure consistometer comprises a cylindrical pressure vessel having an integral bottom and a cover for said pressure vessel. A nonmagnetic canister extends downwardly...
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4214475 |
Adapter for a sensitive viscometer
An adapter for a sensitive viscometer. It provides increased drag at low shear rates to increase the accuracy. There is an inverted cup shaped rotor that cooperates with an annular shaped...
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4185493 |
Viscosity measuring instrument
A rheometer which is especially useful for measuring the viscosity of a heated coal-type material which undergoes phase changes at elevated temperatures, and which is of the type that includes a...
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3962907 |
Viscometer
A viscometer comprises a liquid feeding conduit opening into a measuring chamber and a capillary liquid outlet conduit connected to said chamber, pressure-sensitive means associated with said...
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3782173 |
VISCOSIMETER
An apparatus for measuring the viscosity of a liquid product in a vessel, for instance, a reaction vessel, a dilution vessel and an evaporator, includes a) a measuring cell whose measuring chamber...
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3720097 |
APPARATUS AND METHOD FOR MEASURING MAMMALIAN BLOOD VISCOSITY
A diagnostic method and apparatus are disclosed by which instantaneous measurements are obtained which reflect the viscosity of native mammalian blood. A sample of fresh mammalian blood is taken by...
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3480032 |
TEMPERATURE COMPENSATION FOR VISCOSITY MEASUREMENTS
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3375704 |
Continuous differential viscometer
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3209581 |
Continuous melt indexer
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3086386 |
Viscosity measuring system
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3076885 |
Temperature control system for viscous fluid instrumentation
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3056283 |
Apparatus for measuring the viscosity of glass at high temperatures
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3024642 |
Viscosimeter
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2988914 |
Continuously recording viscosimeter
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