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8172457 |
Method and sensor for determining the hydrocarbon dew point in a gas
The invention relates to a method and a sensor for determining the hydrocarbon dew point in a gas, in particular in a gaseous fuel. According to the invention a roughened condensation surface is...
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8011826 |
Phantom
This invention provides an ultrasonic phantom that can respond to different ultrasonic intensities. Such ultrasonic phantom comprises a gel comprising a low-boiling compound in the form of droplets...
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7692145 |
Method to analyze physical and chemical properties on the surface layer of a solid
The present invention relates generally to a method for analyzing the surface and the near-surface layers of a solid and, more specifically, to a method that utilizes activating actions to analyze...
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7556425 |
Dual-wall container with heat activated and/or temperature-change activated color changing capability
Dual-wall container includes an outer wall that is at least one of at least partially substantially transparent and at least partially substantially translucent, an inner wall adapted to contain a...
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7338203 |
Method for determining vanishing temperature of petroleum product crystals and device therefor
The invention concerns a method for determining the vanishing temperature of petroleum product crystals, characterized in that it comprises the following steps: introducing the sample to be...
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7309864 |
Method for analysing physical and/or chemical properties of the surface layer of a solid body (variants)
According to the method for analyzing physical and/or chemical properties of the surface layer of a solid as per claim 1, the surface layer is activated by a unit irradiation pulse and, when the...
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6830567 |
Method and device for non-invasive regulation of temperature with radiation, especially laser radiation of biological tissue
A method and a system for the non-invasive temperature determination on biological tissue, particularly at the fundus of the eye, treated by a treatment radiation, particularly laser radiation,...
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6711518 |
Method for electronically aligning the frequency of an infrared transmitter
A method is provided for aligning the center frequency of an infrared transmitter. The method comprises the steps of: (a) providing a voltage-controlled oscillator for driving the infrared...
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6443616 |
Material melting point determination apparatus
A device for determining the melting point of a sample material utilizing an infrared sensor to measure the temperature of the sample material and photocells to detect changes in transmissivity of...
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6250134 |
Apparatus for determining the dew-point and/or the content of vapor in the air
The apparatus for determining the dew-point and/or the content of vapor in the air, particularly for the use in radio sondes, comprises a dew-point mirror assembly, including a source of light, a...
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6030115 |
Method of measuring melting temperature of nucleic acid
A method of measuring a melting temperature of a nucleic acid, which comprises a step of monitoring the fluorescent intensity of a mixture of a sample and a probe which is labeled with a...
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5971609 |
Method of measuring the dew point or frost point of a gas having low water content
A method of determining the dew point or frost point of a gas containing a very small amount of water uses an optical dew point meter having a reflector mirror the temperature of which can be...
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5933565 |
Optically based method and apparatus for detecting a phase transition temperature of a material of interest
The melting point of a test substance is determined by placing it in a capillary tube within a heated block. The temperature of the block and sample are gradually increased using an electrical...
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5920010 |
Method of determining dew point and a suitable device
The proposed method of determining dew point involves directing the gas under investigation onto a cooled section of an optically transparent body through which a luminous flux is allowed to pass...
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5683179 |
Apparatus and method for thermoluminescent quench detection for superconducting devices
A quench detector for determining a conductive state in an energized superconductor, including a thermoluminescent quenching sensor in thermal contact with the superconductor and producing a...
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5651614 |
Cloud point and pour point analyzer
An apparatus and a method for automatic determination of cloud point temperature and pour point temperature of a petroleum fraction. The apparatus is comprised of a receptacle for holding a sample...
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5615954 |
Apparatus for measuring the dew point or frost point of a gas having low water content
The invention relates to an apparatus for determining the frost point of a gas containing a very small amount of water. The apparatus comprises (I) compartment A made of a good heat conductor; (II)...
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5482371 |
Method and apparatus for measuring the dew point and/or frost point of a gas having low water content
A method of determining the dew point of a gas containing a very small amount of water using (1) a reflector mirror the temperature of which can be varied from room temperature down to at least...
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5470154 |
Method of cleaning the reflector mirror in an optical dew point meter and an optical dew point meter equipped with a cleaning device
A method of cleaning a reflector mirror in an optical dew point meter that measures the dew point or frost point of a sample gas by a process including the steps of bringing the sample gas into...
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5251274 |
Optical fibre cable for detecting a change in temperature
An optical fibre cable has an optical fibre with a core and cladding that is embraced by a cover of polymer material. In a limited temperature detection range the polymer material has a negative...
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5209566 |
Dynamic thermomechanical analyzer
A testing apparatus (dynamic thermomechanical analyzer) for analyzing a change of the state of a sample from a fluid state to a solid state. The dynamic thermomechanical analyzer includes: a) a...
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5178462 |
Method and apparatus for measurement of dewpoint of gases
A method and an apparatus for measuring dewpoint of different kinds of gases, is based on cooling the measured gas, with the help of cold gas, down to the dewpoint and then detecting the generated...
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5122633 |
Method and apparatus for radiation microwave energy into material containing water or mixed with water
In order to obtain a more homogeneous energy absorption and preset maximum temperatures in an apparatus for radiating microwave energy into water-containing material or material mixed with water,...
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5117679 |
Testing apparatus and method
A test device for assessing low temperature performance of a wax-containing fuel which compriss: a vessel for containing a fuel to be assessed, having cooling and heating elements, for cooling and...
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5092679 |
Melting point determination apparatus and method
A device and method for determining the melting point of a material having light reflective properties by determining changes in the reflective properties of the material while under pressure as it...
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5088833 |
Method and apparatus for monitoring cloud point or like transition temperature
Apparatus for monitoring the cloud point of a liquid, or the temperature at which any light scattering phase occurs therein, comprising a light-proof and light-absorbing chamber, and a liquid...
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5052818 |
Method of and apparatus for measuring very low water content in gas
An improved method of and an apparatus for measuring a very low water content in a non-condensible gas which has a dew point in the range of from ordinary temperature to -80° C. or less. The gas ...
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5022045 |
Optical-type, phase transition humidity-responsive devices
The invention is directed to chemical compositions suitable for use in salt-solution transition temperature or hot mirror devices. It also provides methods of using these sensors (for the...
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4927270 |
Method of and apparatus for determining melting points
The melting point of a powdery or particulate material is determined by allowing a sample of the material to contact a heated surface. If the material does not melt it is removed from the surface...
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4908835 |
Information recording medium
A method of measuring reliability of an information recording medium which comprises an information recording thin film. The method comprises the steps of heating said film at least once to its...
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4804274 |
Method and apparatus for determining phase transition temperature using laser attenuation
Disclosed are methods and apparatus for determining phase transition temperatures and, more particularly, for determining cloud, fluidity, freezing, and haze points of hydrocarbon fuels and...
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4770540 |
Process and application for the determination of turbidity and flow points
Process for the determination of the turbidity point of a liquid, which consists in progressively cooling the liquid and noting the temperature at which turbidity appears; the temperatures at the...
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4749856 |
Wavelength-independent polymer/optical sensing apparatus and method
An optical sensing device which incorporates a suitable optical sensor system, preferably a fiber optics system, with a suitable environmental sensitive polymeric material is presented. The...
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4696580 |
Method for detecting sterilization
A can container made of soft material such as aluminum having a wall thickness of less than 0.2 mm is used for low acid foods or drinks having pH of more than 5.0. A controlled quantity of...
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4579463 |
Detecting thermal waves to evaluate thermal parameters
A method and apparatus is disclosed for detecting thermal waves. This system is based on the measurement of the change in reflectivity at the sample surface which is a function of the changing...
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4572676 |
Method and apparatus for determining the saturation temperature of a solution
A method and apparatus for determining the saturation temperature of a solution containing a dissolved substance, the crystals of which are optically anisotropic. The solution is placed in an...
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4519717 |
On-stream cloud point analyzer
Liquid hydrocarbon samples from a mainstream are diverted through a sample cell in cooling chamber. An optical cloud point detector signals a microprocessor-based control system which controls the...
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4468136 |
Optical beam deflection thermal imaging
The present invention provides a thermal imaging method to evaluate the surface and subsurface properties of a material and is based on techniques of optical beam deflection thermal imaging. The...
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4389904 |
Method and apparatus for supercooling and solidifying substances
A method and apparatus for preparing and studying samples of materials supercooled and solidified in a containerless, low-gravity environment in bulk form is disclosed which includes an enclosure...
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4377001 |
Method for optical determination of saturation temperature and apparatus therefor
A method and apparatus for determining the saturation temperature of a given substance dissolved in a solution under test, based on the principle that the change in the temperature of the solution...
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4299494 |
Measurement of heat transfer between a specimen and an ambient medium
The method comprises measuring the heat transfer between a specimen of the substance in condensed phase and an ambient gas. The heat transfer is detected by measurement of the amplitude of the...
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3982420 |
Method and apparatus for determining the pasting temperature of starch and the like
A method and apparatus for determining the pasting temperature of starch and the like is disclosed wherein a quantity of starch granules are mixed to form a slurry which is heated while a light...
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3969013 |
Thermally controlled microscope stage assembly
A thermally controlled microscope stage assembly for use in measuring transformation temperatures between -180° and +600°C. The stage assembly includes a thick-walled platen with a resistance h...
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3818614 |
APPARATUS FOR DEMONSTRATING THE CRITICAL TEMPERATURE OF A FLUID
An apparatus for demonstrating the critical temperature of a medium having a heatable pressure chamber for the medium in the interior of a metal housing and this chamber can be viewed through...
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3807865 |
PROCESS AND APPARATUS FOR DETERMINATION OF SPINODAL AND CRITICAL POINTS OR LOCI ASSOCIATED WITH PHASE TRANSITION
In a method of determining spinodals, and particularly critical points, associated with phase transitions in samples of chemical solutions, a sample is subjected to relatively fast thermal pulses,...
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3632210 |
VARIABLE RATE CONTINUOUS FLOW CONDENSATION NUCLEI METER HAVING ADJUSTABLE EXPANSION PERIOD AND IMPROVED GAIN
A variable rate continuous flow condensation nuclei meter is described which includes an expansion chamber having inlet and outlet passageways for introducing into and withdrawing from the...
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3545254 |
CLOUD POINT DETECTOR
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3540826 |
SATURATION HYGROMETER
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3527082 |
APPARATUS FOR DETECTING THE END POINT IN CLOUD POINT DETERMINATION
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3501580 |
MICRO-FURNACE FOR USE IN A MICROSCOPE HOT-STAGE
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