| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 073540020 | Combined with other measuring means | 17 |
| 20080245134 | METHOD OF MONITORING A SURFACTANT IN A MICROELECTRONIC PROCESS BY ABSORBANCE - A method of monitoring a surfactant in a microelectronic process is disclosed. Specifically, the monitoring of a surfactant occurs by studying the absorbance of a sample collected from a microelectronic process. | 10-09-2008 |
| 20090282901 | METHOD OF HIGH THROUGHPUT VISCOMETRY - An apparatus and method for measuring or comparing rheological properties of fluid samples in parallel is disclosed. The apparatus includes a plurality of sensing elements which are comprised of flow channels and reservoirs in fluid communication. The channels provide flow paths for the fluid samples which are initially contained within external reservoirs. The method includes flowing the fluid samples at variable rates and monitoring simultaneously sample flow rates from the reservoirs through a plurality elements for one or more increments of time. The disclosed method is capable of measuring or comparing rheological properties of at least two fluid samples simultaneously. Useful flow rates monitoring devices include optical array sensors and image analysis systems. | 11-19-2009 |
| 20100139374 | METHODS FOR RHEOLOGICAL TESTING OF MULTIPLE SAMPLES AND SYSTEMS THEREFOR - The viscosity or relative viscosity of samples can be measured in parallel by dispensing or aspirating the samples at a set condition and then measuring a property of the sample such as mass dispensed or aspirated. | 06-10-2010 |
| 20110174061 | Falling Speed Measuring Sensor For Falling Body Viscometer And Falling Speed Measuring Method - A novel configuration for a falling body viscometer using an electromagnetic induction sensor, wherein the time at which a falling body passes through the electromagnetic induction sensor can be specified with enhanced accuracy. This enables the falling speed of the falling body and in turn the viscosity of a fluid to be measured with increased accuracy. A falling body viscometer is provided with a first pair of coils located at the outer periphery of a measuring container so as to be separated from each other in the vertical direction, and also with a second pair of coils located at the outer periphery of the measuring container so as to be separated from each other in the vertical direction and to be located below the first coil pair, a specified distance away therefrom. | 07-21-2011 |
| 20110185795 | TEST APPARATUS - The present invention relates to an apparatus ( | 08-04-2011 |
| 20110226044 | Handheld Penetrating Consistometer - A portable handheld consistometer that includes a probe having a shaft and a probe tip attached to a first end of the shaft. In an embodiment, the probe tip has a cross-sectional area greater than that of the shaft, the probe configured to be inserted into a material to measure the consistency thereof. In an embodiment, a force sensor is attached to a second end of the shaft opposite the first end. The force sensor is coupled to processing circuitry, and is configured to measure the force with which the probe tip penetrates the material. In an embodiment, a distance sensor is coupled to the processing circuitry. The distance sensor is configured to measure the distance that the probe tip penetrates into the material. Further; the handheld consistometer includes a display screen coupled to the processing circuitry and configured to display the results of consistency measurements. | 09-22-2011 |
| 20110252871 | Ultraviolet Curing Resin Property Measuring Apparatus - Measuring apparatus comprises a rotating plate | 10-20-2011 |
| 20120085151 | METHOD AND APPARATUS FOR CHARACTERIZING POLYMERS - The present invention relates to a method for automatically determining the relative solution viscosity and/or the melt volume flow rate of a polymer, during a phase of the process for producing the polymer, where the polymer is in a solution with 10 to 20% by weight of the polymer in an organic solvent. The method includes continuously removing a substream of the polymer solution from a component of the process for producing the polymer, wherein the polymer solution is essentially free from inorganic salts; removing a sample having a volume of from 1 to 10 μl from the substream; introducing the sample into a gel permeation chromatography apparatus and determining the gel permeation chromatography data for the polymer; and automatically determining the relative solution viscosity and/or the melt volume flow rate of the polymer from the data obtained from the gel permeation chromatogram, on the basis of calibration relationships. | 04-12-2012 |
| 20130180319 | METHOD FOR IDENTIFYING DAMAGE ON TRANSMISSIONS - A method for identifying possible damage in a toothed transmission stage having at least one pair of engagement toothed wheels includes measuring with a vibration transducer an oscillation signal corresponding to oscillations produced by a rolling and impact motion when teeth of a pair of the toothed wheels mesh under load during operation of the transmission stage, comparing the oscillation signal with a calibration oscillation signal, determining a torque acting on the transmission stage from a difference between the oscillation signal and the calibration oscillation signal, and evaluating the measured oscillation signal commensurate with the determined torque to identify the possible damage to the transmission stage. | 07-18-2013 |
| 20130239664 | Fluid Density From Downhole Optical Measurements - A system and method for determining at least one fluid characteristic of a downhole fluid sample using a downhole tool are provided. In one example, the method includes performing a calibration process that correlates optical and density sensor measurements of a fluid sample in a downhole tool at a plurality of pressures. The calibration process is performed while the fluid sample is not being agitated. At least one unknown value of a density calculation is determined based on the correlated optical sensor measurements and density sensor measurements. A second optical sensor measurement of the fluid sample is obtained while the fluid sample is being agitated. A density of the fluid sample is calculated based on the second optical sensor measurement and the at least one unknown value. | 09-19-2013 |
| 20140157876 | MEASUREMENT OF FLUID PROPERTIES - A system and method for measuring physical properties of non-Newtonian fluids, such as fluids containing dispersed solid particulate material and having a yield stress. A fluid resistance member is moved through the non-Newtonian fluid sufficiently slowly that viscous drag on the member is negligible and fluid resistance is essentially due to the yield stress of the fluid. The torque required to maintain the movement of the member through the fluid is measured, and at least one physical property, other than apparent viscosity of the fluid, is determined by employing a known relationship between the measured torque and the physical property of interest. | 06-12-2014 |
| 20140202236 | Maintaining A Measurement Gap In A Rheometer - A rheometer includes a drive shaft, a drag cup motor for rotating the drive shaft, a first measuring object supported by the drive shaft, a second measuring object, a linear position sensor, and processing and control electronics. The linear position sensor includes a target (e.g., an aluminum target) mounted to the drive shaft, and a pair of coils. The linear position sensor is configured to measure thermal expansion of the drive shaft based on a change in impedance of the coils resulting from a displacement of the target relative to the coils. The processing and control electronics are in communication with the coils and are configured to adjust a position of one of the measuring objects relative to the other based on a change in impedance of the coils resulting from a displacement of the target relative to the coils, thereby to maintain a substantially constant measurement gap therebetween. | 07-24-2014 |
| 20140260559 | Flow Control in A Microfluidic Device - This invention relates to a method of inducing fluid flow in a passive capillarity filled microfluidic device involving the use of a dual flow control reagent system, wherein the first flow control reagent is a surfactant which reduces surface tension of an aqueous fluid sample and the second flow control reagent is a viscosity enhancer. | 09-18-2014 |
| 20150059446 | METHOD AND SYSTEM FOR ANALYSIS OF RHEOLOGICAL PROPERTIES AND COMPOSITION OF MULTI-COMPONENT FLUIDS - A method and system for on-line multi-component fluid analysis, the system can be configured to measure the absolute viscosity using data acquired by monitoring the flow rate or pump rate and pressure at the discharge for a reference fluid and the flow rate or pump rate and pressure at the discharge for a sample fluid. The system and method can also include comparing the data acquired for the sample fluid and the reference fluid. The system and method can present rheological behavior of the sample fluid as Newtonian viscosity and the shear rate in real time. | 03-05-2015 |
| 20150101400 | VISCOSITY MEASURING APPARATUS - A viscosity measuring apparatus is mounted on a vehicle provided with an engine, a cylinder pressure sensor configured to detect cylinder pressure which is inner pressure of a cylinder of the engine, a fuel injection valve configured to supply fuel to the engine, and a temperature sensor configured to detect temperature of a coolant of the engine. The viscosity measuring apparatus is provided with: an estimating device configured to calculate a cooling loss from a heating value of the cylinder based on the cylinder pressure detected by the cylinder pressure sensor and an input heating value of the cylinder, and to estimate viscosity of the coolant on the basis of the calculated cooling loss. | 04-16-2015 |
| 20160159080 | TO DETERMINE A QUANTITY OF A LIQUID IN A CHAMBER - A method to determine a quantity of a liquid in a container. In the method, a actuator is controlled to rotate a member in the container at a first speed. A measurement of electrical current drawn by the actuator at the first speed is received. A quantity of liquid in the container is determined through a look-up table and the measured electrical current. | 06-09-2016 |
| 20160161387 | ROTATIONAL SPEED DETECTION DEVICE, VISCOSITY MEASUREMENT DEVICE USING THE DEVICE, ROTATIONAL SPEED DETECTION METHOD, AND ROTATING OBJECT USED IN THE METHOD - A rotational speed detection device is provided that can detect the rotational speed of a rotating object with high precision by readily controlling a relatively inexpensive and compact optical device, and has a lower cost and a smaller size with maintained or improved detection precision of the rotational speed of the rotating object. The rotational speed detection device includes a light emitting unit ( | 06-09-2016 |
