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| Number | Title | Issue Date |
| 7380442 | On-line rotational/oscillatory rheometrical device The present invention refers to an on-line rotational/oscillatory rheometrical device inserted in the barrel of an extruder (1), composed of a main body (2), a cleaning ring (5) and a lower support (6), kept at a constant temperature, and... | 06/03/2008 |
| 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 vertical supporting beam located in the pipe; a horizontal plate located ... | 04/08/2008 |
| 7334452 | Method for characterizing materials by using a mechanical resonator Methods for monitoring a fluid composition include placing a mechanical resonator in the fluid composition and oscillating the resonator. The resonator can be a tuning fork resonator having tines oscillated in opposite directions and in opposite phases. A variable f... | 02/26/2008 |
| 7201040 | Rheometer with axial resistive force measurement A rheometer comprises a vessel mounted on a stand and a rotatable blade mounted above the vessel. A substance for rheometric assessment is put in the vessel. The rotor is advanced linearly into the substance while at the same time rotating. The blade is arranged wit... | 04/10/2007 |
| 7073370 | Method and apparatus for characterizing materials by using a mechanical resonator A method and apparatus for measuring properties of a liquid composition includes a mechanical resonator, such as a cantilever, connected to a measurement circuit. The mechanical resonator can be covered with a coating to impart additional special detection propertie... | 07/11/2006 |
| 7047794 | Tether plate sensor for measuring physical properties of fluid samples The present invention relates to a miniature rheometer, a parallel rheometer, and improved force sensor elements which may advantageously be used in combination with the miniature rheometer and the parallel rheometer. The miniature rheometer is adapted to determine ... | 05/23/2006 |
| 7021123 | Rheological and calorimetric testing method Device and methods for rotationally mixing and rheological testing of sample liquids, such as cement particle suspensions, employ mixing blades and shear-resistant members having substantially noncoincident orbital paths. Rheology is assessed by measuring the resist... | 04/04/2006 |
| 6997045 | Rheomixer device Device and methods for rotationally mixing and rheological testing of sample liquids, such as cement particle suspensions, employ mixing blades and shear-resistant members having substantially noncoincident orbital paths. Rheology is assessed by measuring the resist... | 02/14/2006 |
| 6957565 | Method and apparatus for characterizing materials by using a mechanical resonator A method for measuring properties of a fluid that includes oscillating a tuning fork resonator in a fluid. The invention is particularly suitable for in-line monitoring of various physical and electrical properties of fluids flowing in a conduit. ... | 10/25/2005 |
| 6904786 | Method and apparatus for characterizing materials by using a mechanical resonator A method and apparatus for measuring properties of a liquid composition includes a mechanical resonator, such as a cantilever, connected to a measurement circuit. The mechanical resonator's response over the frequency range depends on various characteristics of the ... | 06/14/2005 |
| 6874353 | Yield point adaptation for rotating viscometers A conventional Couette viscometer is transformed to measure yield point, also known as yield stress, and other rheology of various fluids, including ones with particulates. A rotating viscometer includes a driven portion, a responsive body, a standard spring, and a ... | 04/05/2005 |
| 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 solid, heat-generating member affixed or in proximity to it; and/or opti... | 09/07/2004 |
| 6776028 | Induction sensor viscometer A rotational viscometer includes a cylindrical bob attached to a bob axle, a concentric sleeve exterior of the bob, a motor for inducing rotation in the sleeve, a biasing spring attached to the bob axle for resisting axle rotation, and a measurement system comprisin... | 08/17/2004 |
| 6711943 | Method for the determination of the viscosity of a liquid such as blood In a method for the determination of the viscosity (η) of a liquid, e.g. of blood, which is forwarded by a pump, e.g. a blood pump, said pump having a rotor for the forwarding of the liquid from the inlet of the pump to the outlet, the rotor is used for the determi... | 03/30/2004 |
| 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 measuring chamber for receiving a sample material. A fluid may flow ... | 03/23/2004 |
| 6691559 | Viscometer A viscometer for measuring liquid viscosities based upon rotational deflections of a suspended bob. The viscometer comprises a deflection indicator, a deflection reader located at a spaced relative position with respect to the indicator, a rotating elemen... | 02/17/2004 |
| 6691560 | Free rotor viscometer A rotary viscometer is described where there is no mechanical linkage between a rotor that is rotated in a test fluid to measure viscosity and the rotor drive source. A rotor is disposed in a test fluid within a test chamber. The rotor is mounted on low f... | 02/17/2004 |
| 6684683 | Method and apparatus for characterizing the barrier properties of members of combinatorial libraries A method and an apparatus for characterizing the barrier properties of an array of coatings. The method including providing a plurality of acoustic wave devices, wherein each of the plurality of acoustic wave devices comprises at least one surface, and pr... | 02/03/2004 |
| 6681618 | Rheometer for rapidly measuring small quantity samples The present invention relates to a miniature rheometer and improved force sensor elements which may advantageously be used in combination with the miniature rheometer. The miniature rheometer is adapted to determine rheological characteristics of material... | 01/27/2004 |
| 6668622 | Rheometer for rapidly measuring small quantity samples The present invention relates to a miniature rheometer, a parallel rheometer, and improved force sensor elements which may advantageously be used in combination with the miniature rheometer and the parallel rheometer. The miniature rheometer is adapted to... | 12/30/2003 |
| 6655194 | Rheometer for rapidly measuring small quantity samples The present invention relates to a miniature rheometer, a parallel rheometer, and improved force sensor elements which may advantageously be used in combination with the miniature rheometer and the parallel rheometer. The miniature rheometer is adapted to... | 12/02/2003 |
| 6644101 | Rheometer for rapidly measuring small quantity samples The present invention relates to a miniature rheometer, a parallel rheometer, and improved force sensor elements which may advantageously be used in combination with the miniature rheometer and the parallel rheometer. The miniature rheometer is adapted to... | 11/11/2003 |
| 6588254 | Rotary rheometer A rotary rheometer having a concentric cylinder control jacket and a sample cup. The sample cup fits snugly inside the control jacket, such that the sample cup is in substantial thermal contact with the control jacket along at least the greater part of th... | 07/08/2003 |
| 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 formed between the first measuring part (4) and a rotatio... | 06/03/2003 |
| 6571609 | Digital viscometer with arm and force sensor to measure torque Viscometer (2) with a sleeve (30) rotatable by a sprocket (20) and a timing belt (44) to shear a tested fluid thus imparting torque to a bob (28) mounted on a shaft (14) supported via axially spaced bearings (16, 22), an arm (12) connecting to the top of ... | 06/03/2003 |
| 6499336 | Rotational rheometer A rotational rheometer has an integrating motor (1), which rotates a measuring shaft (16) supporting a first measuring element (4), there being formed between this first measuring element (4) and a further, fixed measuring element (5) a measurement gap (S... | 12/31/2002 |
| 6484567 | Rheometer for rapidly measuring small quantity samples The present invention relates to a parallel rheometer and improved force sensor elements, which may advantageously be used in combination with the parallel rheometer. The parallel rheometer of the present invention allows simultaneous measurements of a pl... | 11/26/2002 |
| 6401519 | Systems and methods for characterization of materials and combinatorial libraries with mechanical oscillators Methods and apparatus for screening diverse arrays of materials are provided. In one aspect, systems and methods are provided for imaging a library of materials using ultrasonic imaging techniques. In another aspect, systems and methods are provided for g... | 06/11/2002 |
| 6393895 | Method and apparatus for characterizing materials by using a mechanical resonator A method and apparatus for measuring properties of a liquid composition includes a mechanical resonator, such as a thickness shear mode resonator or a tuning fork resonator, connected to a measurement circuit. The measurement circuit provides a variable f... | 05/28/2002 |
| 6336353 | Method and apparatus for characterizing materials by using a mechanical resonator A method and apparatus for measuring properties of a fluid composition includes a mechanical resonator connected to a measurement circuit. The measurement circuit provides a variable frequency input signal to the mechanical resonator, causing the mechanic... | 01/08/2002 |
| 6286361 | Method and apparatus for remotely detecting pressure, force, temperature, density, vibration, viscosity and speed of sound in a fluid An apparatus for detecting pressure in a hollow fan blade of a turbofan gas turbine engine comprises a magnetostriction transducer arranged in a sub chamber of the fan blade which is interconnected to a main chamber. A magnetic coil is arranged in the fan... | 09/11/2001 |
| 6182499 | Systems and methods for characterization of materials and combinatorial libraries with mechanical oscillators Methods and apparatus for screening diverse arrays of materials are provided. In one aspect, systems and methods are provided for imaging a library of materials using ultrasonic imaging techniques. The system includes one or more devices for exciting an e... | 02/06/2001 |
| 5631409 | Torsional rheometer for granular materials slurries and gas-solid mixtures and related methods A torsional rheometer apparatus for determining rheological properties of a specimen is provided. A stationary plate and a rotatable plate are in generally coaxial position and structured to receive a specimen therebetween. In one embodiment, at least one... | 05/20/1997 |
| 5610325 | Torsional rheometer for granular materials slurries and gas-solid mixtures and related methods A torsional rheometer apparatus for determining rheological properties of a specimen is provided. A stationary plate and a rotatable plate are in generally coaxial position and structured to receive a specimen therebetween. In one embodiment, at least one... | 03/11/1997 |
| 5369987 | Sealless consistency transmitter A consistency transmitter for a pipe carrying a pulp mixture has a sensor blade within the pipe and an arm outside the pipe. The sensor blade is carried by a diaphragm, so the diaphragm is flexed in response to motion of the sensor blade. The arm is conne... | 12/06/1994 |
| 5350567 | Centrifugal fluidizing granulator for powder coating granulation The centrifugal fluidizing granulator for powder coating granulation has a sensor for detecting changes of viscosity of the growing particles by means of a load cell or a displacement detector; and output signal of the sensor is compared with the data sto... | 09/27/1994 |
| 4044603 | Consistometer with automatic shut-down A consistometer continuously measures the consistency of a stream of material flowing through it which is provided by apparatus manufacturing the material. The consistometer includes a resilient member located in the stream of material and a reference mem... | 08/30/1977 |
| 4044602 | Consistometer with internal calibration means A consistometer continuously measures the consistency of a stream of material flowing through it which is provided by apparatus manufacturing the material. The consistometer includes a resilient member located in the stream of material and a reference mem... | 08/30/1977 |
| 4043183 | Consistometer with sensors failure and sensors misalignment indicating means A consistometer continuously measures the consistency of a stream of material flowing through it. The consistometer includes a resilient member located in the stream of material and a reference member located outside of the stream of material and both mem... | 08/23/1977 |
