| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 073540230 | Force reactance to member driven therein | 64 |
| 20080236254 | DYNAMIC RECIPROCATING-BOB RHEOMETRY - A sensor for making rheological measurements takes the form of a ferromagnetic bob alternately driven through a sample fluid in opposite directions by magnetic force from two alternately driven coils. The bob's position affects the mutual inductance between the coils, so it can be inferred by sensing the signal that current flowing in one coil induces in the other, and rheological properties are determined from the relationships among the bob's motion, the coil current, and the sensor geometry. Some such measurements' accuracies are enhanced by computing bob acceleration and suppressing inertial effects thereby detected. | 10-02-2008 |
| 073540240 | By vibration | 13 |
| 20090120168 | MICROFLUIDIC DOWNHOLE DENSITY AND VISCOSITY SENSOR - The present invention recited a method and apparatus for providing a parameter of a fluid within a fluid channel using a MEMS resonating element in contact with the fluid moving through the fluid channel. Additionally an actuating device associated with the MEMS resonating element is further provided, such that the actuating device can induce motion in the MEMS resonating element. In communication with the MEMS resonating element is an interpretation element capable of calculating a parameter of the fluid moving through the fluid channel based upon data from the MEMS resonating element upon actuation by the actuating device. | 05-14-2009 |
| 20100139375 | APPARATUS AND METHOD FOR MEASURING RHEOLOGICAL PROPERTIES OF BLOOD - An oscillating rheometer adapted for use in measuring rheological properties of blood or the propensity of blood to clot, the rheometer including at lease two surfaces between which a blood sample is introduced, said surfaces being provided as: A first surface, providing a sample receiving member defining a surface for receipt of a blood sample; A second surface, providing a sample contact surface in movable relationship to said first surface. Wherein in use, said first and second surfaces move towards each other so as to sandwich said blood sample between the first and second surfaces, with the blood sample being subjected to a controlled environment provided by way of one or more of the surfaces in contact with the blood to allow for measurement of the rheological properties of the blood or the propensity of the blood to clot. | 06-10-2010 |
| 20100147055 | METHOD AND SYSTEM FOR MEASURING A RHEOLOGICAL TRANSITION LEVEL - Method for measuring a rheological transition level between a first layer with first rheological properties, typically a fluid mud layer, and a second layer lying thereunder and having different, second rheological properties, typically a solid mud layer, wherein using a cable an object is lowered through the first layer into the second layer lying thereunder. A dynamic quantity of the moving cable with object, influenced by the rheological properties, or a change of this quantity, is measured. It is determined on the basis of this measurement when the object is located at the rheological transition level. | 06-17-2010 |
| 20150323441 | High Pressure Utilization of Quartz Crystal Microbalance - A QCM sensor apparatus comprising a QCM mounting insert having a first opening, a second opening, and a barrier fluid chamber disposed between the first opening and the second opening, and a QCM wafer sealably coupled to the second opening, wherein the QCM wafer has an electrode contact exposed to the barrier fluid chamber and a sensitive layer that is not exposed to the barrier fluid chamber. | 11-12-2015 |
| 073540250 | Dampening effect (e.g., frequency, amplitude, speed, or power measurement) | 5 |
| 20090255327 | Broad-range nanoliter rheometer - A nanoliter rheometer is capable of operating over a wide range of temperatures and permits visual observation of extremely small amounts of various often complex and/or expensive small nanoliter size fluids over a wide viscoelastic regime. The nanoliter rheometer comprises two very thin fibers, the ends of which are in close proximity to one another and desirably parallel to one another with one fiber being moved by a drive system and the remaining fiber desirably being stationary and capable of measuring a force transferred through a nanoliter size fluid located between the two fibers ends. The transferred force can be measured either by an LCR meter or a piezoelectric crystal and recorded as by a lock-in amplifier. | 10-15-2009 |
| 20120291527 | DEVICE AND A METHOD FOR MEASURING FLUID-MECHANICALLY EFFECTIVE MATERIAL PARAMETERS OF A FLUID - A method and a device for the measurement of fluid-mechanically effective parameters of a fluid, with a fluid pump which comprises a delivery element ( | 11-22-2012 |
| 20130276518 | Apparatus And A Method Of Measuring Fluid Properties Using A Suspended Plate Device - An apparatus and a method of determining fluid properties by using a micro-machined suspended plate. The plate is suspended by a plurality of springs and the plate is in contact with the fluid. The power to move the plate and the phase angle between the driving frequency and the actual frequency that the plate moves changes as the plate is moved while in contact with the fluid. The device can measure clotting time, stiffness, damping ration, velocity, and viscosity of the fluid by comparison with standards. | 10-24-2013 |
| 20130340507 | MEASURING VISCOSITY OF CERAMIC SLURRIES - A viscosity measuring instrument for measuring ceramic slurries, e.g. in a casting tank, with a probe having an elbow and presenting a transducer part in substantial alignment with a flow direction of the ceramic slurry relative to the active part and a barrier orthogonal to such relative movement direction is interposed in front of the transducer part by one or more stand-off rods to form a partial enclosure that moderates flow to the active part and provides a long term stable measuring capability. | 12-26-2013 |
| 20150377759 | METHOD FOR FINDING SHEAR RATE OF FLUID, AND PROGRAM AND DEVICE FOR SAME - Provided is a new method to obtain a shear rate of a fluid and Provided are a program and a device for the method. In the method, a pair of vibrators ( | 12-31-2015 |
| 073540270 | With detail (e.g., circuitry) of a drive means or a detecting means | 4 |
| 20090241646 | Viscometer - The viscometer provides a viscosity value (X | 10-01-2009 |
| 20110219857 | Viscometer - The viscometer provides a viscosity value (X | 09-15-2011 |
| 20150040647 | VISCOMETER - The viscometer provides a viscosity value (X | 02-12-2015 |
| 20160161389 | HIGH PRECISION RECIPROCATING BOB VISCOMETER - A high precision, reciprocating bob viscometer is shown that has two coils (A and B) encircling a reciprocating bob. Coil A is energized with a combined sinusoidal and DC signal, while coil B senses the position of the reciprocating bob, then the functions of coils A and B are reversed. By use of a large digitally-generated near resonance frequency sinusoidal signal, noise is reduced because there is no need for amplification. The sensed signal amplitude measurement is in the digital time domain instead of through analog amplitude measurements, which further eliminates signal noise. These advancements provide faster, highly accurate, low noise measurements of bob position and velocity to determine fluid/gas viscosity and related properties using a reciprocating bob viscometer. These related properties include measurements of density, shear sensitivity, yield stress, and other measurements described in prior art patents. | 06-09-2016 |
| 073540280 | Rotationally driven member | 42 |
| 20090133478 | MULTIPLE ROTATIONAL AXIS MATERIAL PROCESSING DEVICE - A rheometer attachment may comprise a material processing device. The material processing device is adapted for removable engagement with a rheometer. The material processing device comprises a first rotatable shaft, a second rotatable shaft, a processing element, and a material holding vessel. The processing element is engagable with the first rotatable shaft or the second rotatable shaft. The material holding vessel comprises a cavity. | 05-28-2009 |
| 20100018294 | Flow-through apparatus for testing particle laden fluids and methods of making and using same - A method of determining one or more bulk Theological properties of a particle laden fluid comprising providing a system comprising a vessel, a pump coupled to the vessel, and a flow-through apparatus coupled to the pump and the vessel, wherein the flow-through apparatus comprises a flow chamber, a bob rotatably disposed within the chamber, wherein the bob comprises an outer geometry adapted for continuous laminar flow in an axial direction, and a gap between the chamber and the bob, pumping the particle laden fluid into the flow-through apparatus, shearing the particle laden fluid within the gap of the flow-through apparatus, and collecting data from the bob and observing the particle laden fluid to determine one or more bulk rheological properties of the particle laden fluid. | 01-28-2010 |
| 20100071442 | HIGH PRESSURE HIGH TEMPERATURE VISCOMETER - A couette viscometer used to determine the rheological properties of Newtonian or non-Newtonian solid-laden or non-solid-laden fluids used as completion or treatment fluids in oil and/or gas wells. The instrument is capable of measuring the properties of a heated, e.g., 600° F./316° C., and pressurized sample, e.g., 30,000 psig/207 MPa, at a variety of temperatures, pressures, and shear rates. The pressure vessel is mounted in the chassis of the instrument and the vessel plug containing the viscometer components and sample may be removed as an assembly. This arrangement reduces the mass of the plug assembly, eliminating the need to transport the pressure vessel and assists in separating the sample from the pressurizing fluid. Ultimately, this arrangement improves the usability, convenience and maintenance associated with operating the instrument. | 03-25-2010 |
| 20100071443 | Temperature-controlled rheometer - In one general aspect, a rheometer for measuring properties of a sample is disclosed. It can include a first part having a drive portion operatively connected to an actuator and having a contact surface for contacting the sample. The rheometer also includes a second part that has another contact surface for contacting the sample. A first heater is positioned to heat the first part, a second heater is positioned to heat the second part, and a heat pump can heat and cool both the first and second parts. | 03-25-2010 |
| 20100116032 | SENSOR ELEMENT AND CONSISTENCY TRANSMITTER - A sensor element for a consistency transmitter for use in measurements of a pulp suspension and coated with a diamond coating. A consistency transmitter for measuring the consistency of a pulp suspension, comprising: a sensor element to be placed in the pulp suspension and provided with a diamond coating; a part provided with equipment for measuring the force/torque effective on the sensor element, for processing the force/torque by computation, and for converting the force/torque to an electrical signal; and a transmitting element, connected to the sensor element and said part, for transmitting the force/torque effective on the sensor element to said part. A method in the manufacture of a sensor element for a consistency transmitter for use in measurements of a pulp suspension, wherein the method comprises the step of coating the sensor element with a diamond coating. | 05-13-2010 |
| 20100116033 | DRY POWDER RHEOMETER - A system and method for characterizing a rheological property of a particulate or powdered pharmaceutical composition having a sensor that measures the force imparted to a powder interacting member disposed within a quantity of moving powder. The measured force is related to a rheological property of the pharmaceutical composition, such as viscosity, flowability or compressibility. Information regarding the pharmaceutical composition's rheological properties allows increased performance in the automated loading of precise amounts of a powdered drug into a dry powder inhaler. | 05-13-2010 |
| 20100126252 | RHEOLOGICAL MEASUREMENT OF FILTERCAKE - A rheometer is provided for measuring rheological properties of a filtercake. The rheometer comprises a cell for containing a pressurised fluid supporting a particulate suspension. The cell has two outlets for removing the fluid from the cell. The cell further has a respective foraminous body at each outlet, such that the particulate suspension forms a filtercake on a surface of each foraminous body as pressurised fluid filters through the body when the fluid passes from the cell to the respective outlet. The foraminous bodies are translatable relative to each other, such that the filtercakes formed on said surfaces can be approached to form a unified filtercake. The foraminous bodies are also rotatable relative to each other. The rheometer further comprises a torque sensor for measuring a torque required to rotate the foraminous bodies relative to each other. The measured torque is indicative of one or more rheological properties of the unified filtercake. | 05-27-2010 |
| 20100154520 | CARTRIDGE DEVICE FOR A MEASURING SYSTEM FOR MEASURING VISCOELASTIC CHARACTERISTICS OF A SAMPLE LIQUID, A CORRESPONDING MEASURING SYSTEM, AND A CORRESPONDING METHOD - The present invention is directed to a cartridge device for a measuring system for measuring viscoelastic characteristics of a sample liquid, in particular a blood sample, comprising a cartridge body having at least one measurement cavity formed therein and having at least one probe element arranged in said at least one measurement cavity for performing a test on said sample liquid; and a cover being attachable on said cartridge body; wherein said cover covers at least partially said at least one measurement cavity and forms a retaining element for retaining said probe element in a predetermined position within said at least one measurement cavity. The invention is directed to a measurement system and a method for measuring viscoelastic characteristics of a sample liquid. | 06-24-2010 |
| 20100162798 | Method for Determining the Viscosity of Fluids, and Viscosimeter - In a method for determining the viscosity of fluids, especially liquids, the fluid is brought into and moved through a tapering gap bounded by two opposite wall surfaces. Accordingly, a distance or the change of the distance between the opposite wall surfaces is measured by pressure exerted by the material moved through the preferably steadily tapering or narrowing gap onto the walls and is used or evaluated as a measurement value for the viscosity of the fluid. | 07-01-2010 |
| 20100269571 | PROCESS AND RHEOMETER FOR DETERMINING THE RHEOLOGICAL PROPERTIES OF MATERIALS - A process and an apparatus determine the rheological properties of medium samples. The normal forces arising in a measuring gap perpendicular to the measuring surfaces are recorded with a recording unit and the height of the measuring gap is adjusted with a positioning unit and with positioning elements actuated by the positioning unit. During the measuring procedure the initial height of the measuring gap is kept constant, by the values of the normal forces arising being linked with a calibrating function, and in that, upon detection of normal forces arising, values derived from the calibrating function are drawn upon as control signals, with which at least one sliding actuator acting on at least one of the two measuring elements is driven, which by position adjustment or height adjustment of the respective measuring element performs an immediate resetting of a height of the measuring gap, changed by the normal forces exerted by the medium sample to be examined, to the initial spacing set originally. | 10-28-2010 |
| 20110030454 | RHEOMETER - The invention relates to a rheometer having a rotatable shaft ( | 02-10-2011 |
| 20110100098 | RHEOMETER AND RHEOMETRIC METHOD FOR TESTING SAMPLES - A method for testing samples uses a rheometer in which a measuring shaft bearing a first measuring part is rotated by a motor and the sample is introduced into a measuring gap between the first measuring part and a further measuring part. The further measuring part is mounted on a further, driven measuring shaft and the two measuring parts are rotated or oscillated at a predetermined speed independently of one another, or brought to a standstill. At the same time or in rapidly succeeding intervals during the same measuring process, the torque and the normal force are determined by a first moment detector and the first measuring unit, and the normal force exerted by the sample on the further measuring part and/or the further measuring shaft and the torque exerted on the further measuring shaft by means of a further separate motor rotating said measuring shaft are determined by means of a further measuring unit and a further moment detector and in that said simultaneously determined measured values are supplied for evaluation. | 05-05-2011 |
| 20120137753 | PROPERTY MEASUREMENT APPARATUS AND PROPERTY MEASUREMENT METHOD - Disclosed herein is a property measurement apparatus including: a first plate installed in a state of being rotatable and/or vibratable; and a second plate placed to face the first plate and provided with an impedance measurement section, wherein a stress caused by a distortion generated by rotating or vibrating the first plate to serve as a distortion given to a sample provided in a gap between the first and second plates is measured, and at the same time, the impedance measurement section measures the impedance of the sample. | 06-07-2012 |
| 20120210774 | ROTATIONAL VISCOMETER - A rotational viscometer contains a measuring shaft that can be rotated at a specified rotational speed, a measuring part that is carried by the measuring shaft and that can be lowered into a sample, and a detection unit for determining the angle of torsion of the measuring part relative to the driven part of the measuring shaft. Accordingly, a twistable element is inserted into the measuring shaft, preferably in the section of the measuring shaft close to a motor. The detection unit is moved along with the shaft and determines the relative twist or the angle of torsion (twist) between the shaft part located on the motor side relative to the twistable element and the shaft part located on the measuring-part side. The output signals of the detection unit are fed to an evaluation device as the basis for determining the viscosity of the sample. | 08-23-2012 |
| 20130118235 | COMBINED RHEOMETER/MIXER HAVING HELICAL BLADES AND METHODS OF DETERMINING RHEOLOGICAL PROPERTIES OF FLUIDS - A method of determining rheological properties can include dispensing a fluid into a rheometer including a stator having at least one helical blade, measuring torque (T) due to relative rotation between the stator and a rotor of the rheometer at different rotational speeds (RPM's), calculating shear stress (SS) as follows: SS=T | 05-16-2013 |
| 20130298645 | PROCESS FOR DETERMINING THE RHEOLOGICAL PROPERTIES OF MATERIALS - A process and an apparatus determine the rheological properties of medium samples. The normal forces arising in a measuring gap perpendicular to the measuring surfaces are recorded with a recording unit and the height of the measuring gap is adjusted with a positioning unit and with positioning elements actuated by the positioning unit. During the measuring procedure the initial height of the measuring gap is kept constant, by the values of the normal forces arising being linked with a calibrating function, and in that, upon detection of normal forces arising, values derived from the calibrating function are drawn upon as control signals, with which at least one sliding actuator acting on at least one of the two measuring elements is driven, which by position adjustment or height adjustment of the respective measuring element performs an immediate resetting of a height of the measuring gap, changed by the normal forces exerted by the medium sample to be examined, to the initial spacing set originally. | 11-14-2013 |
| 20130333448 | CARTRIDGE DEVICE FOR A MEASURING SYSTEM FOR MEASURING VISCOELASTIC CHARACTERISTICS OF A SAMPLE LIQUID, A CORRESPONDING MEASURING SYSTEM, AND A CORRESPONDING METHOD - The present invention is directed to a cartridge device for a measuring system for measuring viscoelastic characteristics of a sample liquid, in particular a blood sample, comprising a cartridge body having at least one measurement cavity formed therein and having at least one probe element arranged in said at least one measurement cavity for performing a test on said sample liquid; and a cover being attachable on said cartridge body; wherein said cover covers at least partially said at least one measurement cavity and forms a retaining element for retaining said probe element in a predetermined position within said at least one measurement cavity. The invention is directed to a measurement system and a method for measuring viscoelastic characteristics of a sample liquid. | 12-19-2013 |
| 20140033803 | MIXER SENSORS AND METHODS FOR USING SAME - Apparatuses for measuring rheological properties of fluids and methods for using same are provided. In a general embodiment, the present disclosure provides a mixer sensor that is configured to be attached to a rheometer drive head and used to measure rheological properties of a fluid having particulates over a wide range of temperatures and shear rates. Apparatuses capable of obtaining rheological data of a fluid having particulates over a wide range of temperatures and shear rates provides for more precise rheological measurements. The temperatures may be very high temperatures that exceed 100° C., and the shear rates may includes a range of shear rates that are typically found in a processing pipeline system. | 02-06-2014 |
| 20140047903 | VISCOSITY/ELASTICITY MEASUREMENT DEVICE AND MEASUREMENT METHOD - A viscosity/elasticity measurement device includes a container for containing a measurement target material for detection of viscosity/elasticity is contained, a floating rotor made of material including a conductor, formed in a plate and circular shape when seen in plan view, and configured to be floated on a surface of the measurement target material, a magnet applying a magnetic field to the floating rotor in a direction perpendicular to a surface of the measurement target material, a rotational magnetic field control unit driving the magnet to apply a rotational magnetic field to the floating rotor, inducing an induction current in the conductor, and applying rotational torque to the floating rotor to rotate by Lorentz interaction between the induction current and the magnetic field applied to the floating rotor, and a viscosity detection unit detecting the viscosity/elasticity of the measurement target material based on a rotation state of the floating rotor. | 02-20-2014 |
| 20140053638 | Method and Device for Determining of Shearing Stress or Viscosity - The present invention comprises a device for measuring at least one property of a substance or medium such as the viscosity, the shearing stress, the specific weight and whether the substance or the medium shows Newtonian behavior. The device comprises a carrier arranged at least at one attachment point, a pivot arm connected pivotally or rotatably to the carrier at a rotation point located at a distance from the attachment point, a drive acting selectively on the pivot arm for driving the pivot arm in an oscillating movement, and a measurement setup for measuring the oscillation of the pivot arm to be caused with a drive, characterized in that a center of inertia lies substantially at the attachment point. | 02-27-2014 |
| 20140102180 | METHODS AND SYSTEMS FOR VISCOELASTIC CHARACTERIZATION OF IRREGULARLY SHAPED ANISOTROPIC BIOLOGICAL SAMPLES - Methods that extend the utility of standard rotational rheometers for accurate and sensitive viscoelastic characterization of small or small irregularly shaped or small anisotropic samples and systems to implement those methods. | 04-17-2014 |
| 20140137638 | FLEXIBLE BLADE RHEOMETER - A rheometer including a flexible blade, a unit for measuring flex of at least part of the blade, a computation unit configured for converting input of parameters from the measurement unit to output of viscosity measurement. A method for determining viscosity including rotating a flexible blade in a medium whose viscosity is being measured, measuring blade flex of at least part of the blade, converting the blade flex measurement to a viscosity measurement, and producing output of determined viscosity. Related apparatus and methods are also described. | 05-22-2014 |
| 20140165710 | VISCOSITY MEASURING APPARATUS - A conductive rotator is immersed in a sample liquid in a sample container. A magnet is arranged at a specific distance from the rotation plane of the rotator in a direction of a rotating axis of the rotator so as to face the sample container. The magnet applies a magnetic field to the rotator from the outside of the sample container. A fluctuating magnetic field drive unit drives the magnet to apply the magnetic field that fluctuates in term of time to the rotator. Induced current is excited in the rotator by the fluctuating magnetic field. A rotating torque is provided to the rotator by the Lorenz interaction between the induced current and the fluctuating magnetic field, and as a result, the rotator rotates in the rotation plane. A viscosity detecting unit obtains the viscosity of the sample liquid based on a rotating state of the rotator and a time-fluctuating state of the fluctuating magnetic field. | 06-19-2014 |
| 20140208834 | Rotary Rheometer With Dual Read Head Optical Encoder - A rotary rheometer includes a drive shaft and a dual read head optical encoder that is configured to measure angular displacement or angular velocity of the drive shaft. | 07-31-2014 |
| 20140260560 | APPARATUS AND METHOD TO MEASURE A PROPERTY OF WELLBORE FLUID - A method includes disposing an open end of a housing in a wellbore fluid, flowing the wellbore fluid into the housing though the open end, rotating an impeller disposed within the housing at a first rotational speed with a motor coupled to the impeller, and determining at least one of viscosity and rheology of the wellbore fluid based on the rotating an impeller. An apparatus includes a housing, a mechanical agitator disposed in the housing, a motor operatively coupled to the mechanical agitator, a first sensor coupled to at least one of the mechanical agitator and the motor, and a second sensor disposed in the housing and configured to measure a fluid property or characteristic. | 09-18-2014 |
| 20140311224 | Double-Motor Rheometer With Extension Assembly - An extension assembly is connected or connectable, in terms of driving, to a double-motor rheometer. The double-motor rheometer includes first and second measuring motors controllable independently of each other, and provided for determining a torsional moment generated by the corresponding measuring motor. The extension assembly includes first and second sample holding parts for holding a first sample portion and a second sample portion of the sample. The first sample holding part is driveable by the first measuring motor in a rotational movement about a first axis, and the second sample holding part is driveable by the second measuring motor in a rotational movement about a second axis. The first axis is arranged so as to be parallel to and spaced apart from the second axis. The sample held in the first sample portion and in the second sample portion extends between the respective sample holding parts. | 10-23-2014 |
| 20140326054 | APPARATUS AND METHOD FOR DETERMINING ONE OR MORE CHARACTERISTICS OF A VISCOUS MATERIAL - The disclosed apparatus may include a mounting structure. A first arm may be secured to the mounting structure and extend from the mounting structure. A load cell may be mechanically coupled to the first arm to detect a first load applied to the first arm by relative movement between the first load cell and a viscous material in which the first arm may be submerged or at least partially disposed. A second arm may be secured to the mounting structure and extend from the mounting structure. A second load cell may be mechanically coupled to the second arm to detect a second load applied to the second arm by relative movement between the second load cell and the viscous material. In one embodiment, load data related to the first and second loads may be used to estimate or determine at least one characteristic of the viscous material. | 11-06-2014 |
| 20160047727 | Orthogonal Superposition Rheometer - An orthogonal superposition rotational rheometer that applies a rotational torque and an orthogonal axial oscillatory stress to a fluid. The rheometer uses a cylindrical bob in a double wall cup to apply shear rotational and axial forces to the fluid. Openings in the top section of the cylindrical bob reduce surface tension effects on the force measurement. Fluid pumping effects at the bottom of the rheometer's double wall cup are minimized by openings in the inner wall of the double wall cup that allow fluid to be displaced when the bob moves downwards. | 02-18-2016 |
| 073540310 | By measuring the driving force or the speed of the driven member | 5 |
| 20100011841 | APPARATUS AND METHODS FOR TESTING ASPHALT MIX WORKABILITY - An apparatus for testing the workability of asphalt mixes includes a frame, a motor operably attached to the frame for rotating a turntable, a container attachable to the turntable, and a paddle for mixing a first asphalt mixture in the container. A torque meter is operably attachable to the frame and to the paddle to measure in real-time the torque applied to the paddle shaft, and a temperature sensor measures the temperature in real-time of the first asphalt mixture in the container. In one embodiment the paddle has a vertical shaft, a plurality of laterally-extending elongated arms attached at first ends to the shaft and at distal second ends to angled plates. In another embodiment, a display and a processor are provided for automatically displaying on the display in real-time a plot of the torque verses time and the temperature verses time for the measured torque and temperature while mixing the asphalt mixture. | 01-21-2010 |
| 20100162799 | DEVICE AT A TORQUE METER - The present invention relates to a device for a torque meter for determining of for example viscosity, shearing force or concentration of liquids or suspensions, and comprising two elastically connected concentric axles, one external hollow axle ( | 07-01-2010 |
| 20110247402 | Method for rapid testing of the quality of cereals, grits and flours by measuring the aggregation of gluten - A method and a device for rapid testing of the quality of cereals, grits and flours measures the aggregation of gluten. The sample to be tested in aqueous solution/suspension containing mineral salts and/or acids and/or liquors in a specific amount in a sample cup is stirred with an electrically driven stirring paddle and the resistance opposed to the paddle by the sample during the stirring process is measured, the torque loads acting on the rotatably mounted electric drive motor being measured from the beginning of the stirring process using extensometric gauges, the measurement being completed once the maximum rotating torque is reached and the measuring process being monitored, controlled and analyzed by software. | 10-13-2011 |
| 20120204625 | Probe and Method for Obtaining Rheological Property Value - The probe can include a base and a resistance member extending from the base and onto which a resistance pressure is imparted by a rheological substance when the resistance member is submerged and moved therein. Rheological properties can be obtained using values indicative of the resistance pressure both in a low speed range and in a high speed range. | 08-16-2012 |
| 20160076986 | VISCOSIMETER - A viscometer has a hollow cylinder mounted in a base frame and rotated about its longitudinal axis. A measuring part being flowed through by a fluid to be tested is rotatably supported in the hollow cylinder. An electromagnetic drive with a stator and a rotor for the hollow cylinder is provided, with which the hollow cylinder is rotatable. The stator is supported on the base frame and the rotor is supported on the hollow cylinder. An electromagnetic coupling of the stator with the rotor is provided by a ring rotor disposed between the stator and the rotor. The ring rotor is mounted about the longitudinal axis of the hollow cylinder so that the base frame and the hollow cylinder are decoupled with respect to the electromagnetic drive and a torque by the electromagnetic drive is applied to the hollow cylinder while the acting forces on the hollow cylinder are minimized. | 03-17-2016 |
| 073540320 | By measuring an opposed drag force | 4 |
| 20090000357 | Method for Measuring Consistency, Chopper Structure, and Consistency Meter - The method measures consistency with a rotating consistency meter. The method comprises chopping with the teeth of a chopper structure optical radiation transmitted by an optical source to an optical detector while the shafts of the rotating consistency meter rotate. In addition, a chopper reference of the chopper structure chops optical radiation to form at least one reference pulse independent of the swivel between the shafts. The duration of each reference pulse is measured when measuring consistency. The change in the reference pulse is defined by comparing the duration of the measured reference pulse with the duration of the predefined reference pulse. The durations of the measuring pulses are corrected according to the change in the duration of the reference pulse. | 01-01-2009 |
| 20140290346 | MEASUREMENT INSTRUMENT HAVING TOUCHSCREEN USER INTERFACE AND METHOD FOR MEASURING VISCOSITY - The present disclosure provides a viscometer or a rheometer including a touch screen interface. The touch screen interface enables a wider variety of user interface options and functions that would otherwise be cumbersome to implement. These options and functions include a wide variety of settings, security features, and the ability to manipulate test definitions and test data. | 10-02-2014 |
| 073540330 | By measuring angular displacement | 2 |
| 20090293595 | PROPERTY MEASUREMENT APPARATUS AND PROPERTY MEASUREMENT METHOD - Disclosed herein is a property measurement apparatus including: a first plate installed in a state of being rotatable and/or vibratable; and a second plate placed to face the first plate and provided with an impedance measurement section, wherein a stress caused by a distortion generated by rotating or vibrating the first plate to serve as a distortion given to a sample provided in a gap between the first and second plates is measured, and at the same time, the impedance measurement section measures the impedance of the sample. | 12-03-2009 |
| 20140047904 | VISCOMETER - Viscosity or rheology measuring instrument utilizing Hall Effect or like magnetic coupling with parts mounted on driving and driven rotational assemblies. | 02-20-2014 |
| 073540350 | Including detail of a motor drive, a stator, or a housing structure of a motor | 5 |
| 20090056423 | SYSTEM AND METHOD FOR INTERFACIAL RHEOMETRY - An apparatus and method for performing rheological measurements of interfaces located at the top of fluid sub-phases. In one configuration, a rotating rheometer is provided with a chamber wall whose inner surface defines an outer chamber radius and an inner cylinder disposed within the cylindrical chamber and having an inner chamber radius. The rotating rheometer is configured to hold a liquid sub-phase and interface layer that can be probed using a circular ribbon that is concentric with and suspended between the inner cylinder and chamber wall. The ratio of the ribbon radius, inner chamber radius, and outer chamber radius is designed to yield an average shear rate in the inner region that is the same as an average shear rate in the outer region. In one configuration, an interface-pinning feature is provided on at least one of the inner cylinder and the chamber wall. | 03-05-2009 |
| 20090188304 | METHOD FOR OPERATING A COUETTE DEVICE TO CREATE AND STUDY EMULSIONS - A method for generating and characterizing an emulsion. The method provides a Couette device having first and second cylindrical members that define an annulus between them. The second cylindrical member is rotatably driven with respect to the first cylindrical member. Two or more substances each in a non-emulsified state are injected into the annulus. The Couette device is operated in a first mode to generate an emulsion from the two or more substances. The Couette device is also operated in a second mode to measure various attributes of the emulsion. | 07-30-2009 |
| 20100116034 | APPARATUS FOR MEASUREMENT OF IN-SITU VISCOSITY - An apparatus for measuring in situ the viscosity of a fluid within a vessel which includes an impeller paddle immersed in the fluid rotated by an electric motor connected to a shaft passing through a wall of the vessel. The impeller paddle is connected to the shaft by a toroidal spring. The electric motor is controlled by a variable voltage power supply controlled by a computer. Sensors are mounted on the impeller paddle and the shaft to sense the rotational positions of each and to generate electronic signals indicative thereof. The electronic signals are processed by signal processing circuitry to determining the deflection angle of the impeller paddle and the results sent to a computer, where the signals are recorded and analyzed to determine the viscosity of the fluid. | 05-13-2010 |
| 20130086979 | Device And Method For Measuring The Rheological Properties Of A Yield Stress Fluid - A device and a method are provided for measuring the yield stress of a fluid. The device includes a container for receiving the fluid therein and an auger having a shaft extending along an axis and a helical flange extending radially about the shaft. The auger is movable in the fluid between a first position and a second position. A sensor is operatively connected to the auger. The sensor measures a force on the auger as the auger moves from the first position to the second position. A linkage is interconnected to the sensor. The linkage translates motion to the auger. | 04-11-2013 |
| 20140311225 | COMBINED RHEOMETER/MIXER HAVING HELICAL BLADES AND METHODS OF DETERMINING RHEOLOGICAL PROPERTIES OF FLUIDS - A method of determining rheological properties can include dispensing a fluid into a rheometer including a stator having at least one helical blade, measuring torque (T) due to relative rotation between the stator and a rotor of the rheometer at different rotational speeds (RPM's), calculating shear stress (SS) as follows: SS=T | 10-23-2014 |
| 073540360 | Penetrometer | 2 |
| 20140190242 | Method and Apparatus For Testing Consistency of Frozen Beverages - A method and apparatus using sample test container filled with beverage, a penetrator holder, a penetrator and release means is disclosed. In the method a sample, is drawn into the test container and the penetrator dropped into the sample, and a reading of the stiffness of the sample is made based on the depth of penetration of the penetrator onto the sample. | 07-10-2014 |
| 20150047420 | Method and System for Hydrocarbon Release Management - Method and system is described to enhance operations for managing the hydrocarbon release. The system utilizes an airborne detection device equipped with measurement components and communication components. The system may utilize various measurement techniques to determine the thickness of the oil slick. This remote detection method may provide a dedicated airborne detection device for each response vessel and that can identify the location and thickness of the oil slick. | 02-19-2015 |
| 073540370 | By movement or displacement between shearing surfaces | 3 |
| 20090056424 | Microscope Rheometer for Measuring Shear and Compression Properties of Biological Samples - A microscope rheometer for measuring shear and compression properties of biological samples is disclosed. The apparatus allows a sample of biological tissue to be strained controllably while fluorescently stained cells, or other markers, within the material are imaged with a fluorescence microscope and the applied forces are measured with a strain gauge. Using the rheometer, it is possible to obtain the shear and compression stiffness of a material as a function of position. | 03-05-2009 |
| 20090211343 | In-situ structuring rheometer based on chaotic advection - An in-situ structuring rheometer provides a means to develop and measure the rheological properties of structured materials such as those having various polymer blend morphologies or particle networks. Chaotic advection of liquid contained within a cavity is instilled by controlled motions of boundary surfaces and, concomitantly, forces and displacements on the boundary surfaces are measured, indicating at least one of a flow- or a structure-related property. | 08-27-2009 |
| 20090272178 | METHOD AND DEVICE FOR STRIPPING OR TRIMMING SAMPLES TO BE EXAMINED RHEOLOGICALLY - A method and device allow automatic trimming of samples for the measurement of the Theological properties of material samples by way of a plate/plate rheometer. In order to strip the protruding portion of the material sample arranged between the plates that projects over the circular circumferential edges of the rheometer plates—a cutting edge, which at its setting angle with respect to the tangent is pressed against the circular circumferential edge of the plates at the line of contact and pertains to the blade of the stripping tool that is stayed, in particular articulated, by means of a holding strut at a holding point of a holding block, and the plates of the rheometer—relative to each other—are moved in rotation in a circle with respect to each other in at least a fully circumferential circular rotational movement, wherein the circular rotational movement is guided in such a way that the real or virtual relative rotational advance of the cutting edge of the stripping-tool blade is effected counter to the virtual or real circumferential circular rotational advance respectively of the rheometer plates. | 11-05-2009 |
| 073540380 | Detector detail | 3 |
| 20080236255 | Piezo-Rheometric Measuring Cell and Corresponding Piezo-Rheometer - The invention relates to a piezo-rheometric measuring cell for shear or compression measurement, essentially comprising two sample holder plates, with the sample for analysis between the same in solid, liquid or intermediate form, piezoelectric ceramic elements on the faces of the plates opposite to the faces in contact with the sample and a construction forming the housing and compressing the arrangement of plates and ceramic elements, one or more ceramics called emitter, being connected to one of the two plates or the emitter plate and subjecting the same to shear or compression vibrations by means of an excitation signal and one or more ceramics, called receiver, being connected to the other plate or receiver plate and converting the forces to which the same is subject into a measured signal. The cell is characterised in that the emitter and receiver cell(s) are arranged such that the respective polarisations of the emitter ceramic ( | 10-02-2008 |
| 20090084167 | FLUID PROBE - A device for measuring the properties of a fluid, a method of manufacture, and a method of operation is described. The device includes a body region, a first flexible element and a second flexible element. Each flexible element has a first end and a second end, the first end being fixedly located on the body region. Each flexible element is moveable from at least a first respective configuration to a second respective configuration via bending of the element. The first flexible element includes an actuating portion arranged to move the flexible element between the first configuration and the second configuration. The second flexible element includes an integral movement sensor for sensing movement of the flexible element. The first flexible element is coupled to the second flexible element at a position distant from the body region. Only the actuating portion of the first flexible element is operable to move the first and second flexible elements. | 04-02-2009 |
| 20100251806 | FLUID PROBE - A device for detecting a property of a fluid includes a body region and a flexible element having a first end and a second end. The first end is fixedly located on the body region. The flexible element is arranged to move from at least a first configuration to a second configuration via bending of the flexible element. The flexible element includes an actuating portion arranged to move the flexible element between the first configuration and the second configuration. The device also includes a movement detector for detecting movement of the flexible element. | 10-07-2010 |
