Matches 1 - 50 out of 78 1 2 >


Match Document Document Title
8813542 High pressure vessel with movable pressurization piston  
Viscometer (150) with a rotor (108) connecting a magnet holder (62) which penetrates a sealed movable piston (96) and rotatable by a coupling magnet (58) and a driving magnet (64) to shear a...
8794051 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...
8490470 Parallel plate system for collecting data used to determine viscosity  
A parallel-plate system collects data used to determine viscosity. A first plate is coupled to a translator so that the first plate can be moved along a first direction. A second plate has a...
8347693 Apparatus and methods for continuous compatibility testing of subterranean fluids and their compositions under wellbore conditions  
Disclosed is a fluid testing device which utilizes a small, cross-section fluid interface to separate a test fluid chamber from a drive and measuring chamber. The test fluid chamber contains the...
7926326 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...
7762123 Seal for measuring device  
The invention relates to a seal intended for sealing an axis pair, whereby the axes rotate in the same direction, the inner one of the axes is inside the outer axis and the phase difference of the...
7681437 Device for determining the viscosity of fluids  
A device for determining the viscosity of fluids. The device includes an injector, which has a piston and a hollow cylinder with a nozzle. The device further includes a cannula. The device also...
7614285 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...
7594429 System and method for improved optical measurements during rheometric measurements  
A rheometric system includes an optical encoder coupled to a rotating shaft and configured to detect a rotational position of the shaft with respect to a reference. The rotational information is...
7578171 Method and device for characterizing a fluid  
A method for the characterizing a fluid containing particles reflecting ultrasounds wherein a sample of fluid placed between two surfaces (5, 6) in a rheometer (1) undergoes stress in order to...
7568380 Turbine viscometer  
A turbine viscometer for measuring the viscosity of fluid flowing through a conduit, such as a pipe or manifold. The viscometer has a viscosity turbine positionable in the pipe or manifold. The...
7549324 Consistency transmitter  
The present invention is a consistency transmitter for the measurement of consistency, viscosity, and other properties of matter. The transmitter consists of a measuring element, attached to a...
7526946 Constant-force rheometer  
The present invention is generally directed to a method for measuring interfacial stick-slip transitions (SST) and an improved constant-force shear capable of measuring interfacial SST. Some...
7500385 System for in-situ optical measurement and sample heating during rheometric measurements  
An optical rheometer system includes a rheometer chamber that can retain a fluid sample to be measured. A light source is provided that creates a light beam incident on the fluid sample. A Peltier...
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...
7412877 High pressure viscometer with chamber preventing sample contamination  
Viscometer (80) with a rotor (51) rotatable by a coupling magnet (34) and a driving magnet (38) to shear a tested fluid thus imparting torque to a bob (30) mounted on a bob shaft (24) supported...
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...
7353694 Rheometer  
A rheometer and method of making rheological measurements are disclosed, in which a sample is supported between plates and an alternating movement is applied by a driver, support rod and plate....
7287416 Low maintenance high pressure viscometer  
Viscometer (80) with a rotor (51) rotatable by a coupling magnet (34) and a driving magnet (38) to shear a tested fluid thus imparting torque to a bob (30) mounted on a bob shaft (24) supported...
7284413 Method and apparatus for measuring viscosity  
An apparatus for measuring the viscosity of a fluid having a first rigid member extending from a body of semiconductor material and provided with a first conductive path and a second resiliently...
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...
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...
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...
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 via a...
6938464 Digital viscometer with frictionless bearing  
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 via a...
6755073 Sensor for measuring the viscosity of a liquid  
A sensor for measuring the viscosity of a fluid, which has an oscillator. The oscillator is dipped into the fluid. The surface of the oscillator is provided with a dirt-repellent coating.
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...
6668621 Viscosity measurement by means of damped resonant vibration normal to an approximate rigid plate  
A brief but intense magnetic impulse generated by a coil 42 is used to excite resonant bending mode vibration in a magnetically permeable cantilevered beam 2 immersed in a fluid 22. A permanent...
6602714 Viscosity and mass sensor for the high-throughput synthesis, screening and characterization of combinatorial libraries  
Workstation, apparatuses and methods for the high-throughput synthesis, screening and/or characterization of combinatorial libraries. The invention relates to an array, which permits various...
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...
6584831 Fast-recovery viscometer  
Electrical current driven through one or the other of two coils (20 and 22) draws a ferromagnetic bob (28) along a chamber (26) containing a liquid whose viscosity is to be measured. The current...
6575020 Transducer for microfluid handling system  
The present invention relates to integrated micro-cantilevers, micro-bridges or micro-membranes in micro-liquid handling systems. Such micro-liquid handling systems provide novel detection...
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)...
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...
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...
6269685 Viscosity measuring using microcantilevers  
A method for the measurement of the viscosity of a fluid uses a micromachined cantilever mounted on a moveable base. As the base is rastered while in contact with the fluid, the deflection of the...
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...
6202496 Apparatus for the measurement of viscoelastic characteristics of bodies  
A device for measuring the elastic-viscous properties of objects, in particular objects made of an elastomer material such as rubber, has a measurement body movable in relation to a holder and...
6089079 Moisture sensor for ore concentrates and other perticulate materials  
The present invention is concerned with a moisture sensor for measuring the moisture content of particulate material like ore concentrates. The sensor comprises a body having one end to be buried...
6058762 Sample preparation unit  
The sprout damage testing apparatus of the present invention includes a housing with a mixing cup for receiving a grain sample therein. A first tank supplies a first reagent through a conduit to...
5798454 Magnetically suspended device with function of measuring viscosity  
A rotor is magnetically suspended in liquid by a non-active magnetic bearing with opposed permanent magnets, a step shaped signal at constant voltage is generated from a signal generator, and...
5770795 Fluid mixture testing cell suited for detecting phase changes  
A mixture containing substances likely to settle or to flocculate is fed into a chamber (1a) of a body (1) delimited by a mobile piston (18) and a closed-circuit circulation of the mixture is...
5531102 Viscometer usable in situ in large reactor vessels  
A viscometer (10) has a spindle (12) mounted on a rotatable shaft (14) which is, in turn, contained in a tubular rotatable shaft (16) which is within a fixed hollow shaft (18). The latter is...
5509297 Viscometer calibration  
A rotational viscometer instrument of the type having a rotor driven to rotate about an axis, the rotor for contact with a fluid, the viscosity or related property of which can be measured by...
5394739 Viscosity tester and method with orbiting object  
A viscosity tester includes a free standing magnetic object disposed in fluid in a stationary receptacle. A magnetic force drives the object in an orbit and the magnetic force, the speed of the...
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...
5365777 Rheometer with flow diverter to eliminate end effects  
A rheometer comprises a thin-walled bob having two ends, adjacent at least one of which ends there is disposed a respective flow diverter plate to eliminate adverse end effects caused by swirling...
5303578 Rheometer  
Apparatus and a method for investigating dynamic rheological properties of a viscoelastic medium involves oscillating at least one shear wave generation surface in a container containing the...
5212981 Method of and apparatus for measuring the viscosity of materials  
The invention relates to a process and device for measuring the effective viscosity and the elastic properties of coatings. Known measuring processes and measuring devices based on the "rolling...
5167143 Rheometer System  
Rheometric instrument with a motor (24)-driven chamber (12) and concentric spindle (14) removable for fluid changes and reinsertable between the motor drive and a transducer (30) and sense shaft...

Matches 1 - 50 out of 78 1 2 >