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6390669 |
Heat flux type differential scanning calorimeter
A heat flux type differential scanning calorimeter has a heat reservoir made of a thermal conducting material. A thermally conductive plate is disposed in the heat reservoir for supporting an...
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6370939 |
Apparatus and method for measurement of mass and heat flow changes
Provided are a measurement apparatus and a measurement system comprising sample and reference microresonators, such as sample and reference quartz crystal microbalances; sample and reference heat...
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6331074 |
Thermal analyzer and a method of measuring with the same
A thermal analyzer scans temperature by thermally altering a sample and measuring a thermal change based on physical and chemical changes of the sample as a function of time and/or temperature. The...
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6257757 |
Thermal analysis apparatus
A gas-tight container such as a glove box maintains a sample under a controlled atmosphere and has a sample chamber formed in a convex portion thereof. The temperature is controlled in the sample...
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6189367 |
Apparatus and method for simultaneous measurement of mass and heat flow changes
Provided is a mass and heat flow measurement apparatus comprising sample and reference microresonators, such as sample and reference quartz crystal microbalances; sample and reference heat flow...
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6157009 |
Advanced reactive system screening tool
The present invention comprises a calorimeter apparatus having a very low thermal mass ratio of test cell to test sample so as to minimize heat sink effects on the test sample during a chemical...
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6079873 |
Micron-scale differential scanning calorimeter on a chip
A differential scanning microcalorimeter produced on a silicon chip enables microscopic scanning calorimetry measurements of small samples and thin films. The chip may be fabricated using standard...
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6071008 |
Method of measuring heat capacity of sample
A tube 12 made of stainless steel is arranged in a thermal bath 13 and an AC current is supplied to the tube to apply an AC heat directly to the tube and a liquid sample contained therein. An AC...
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6027245 |
Apparatus for measuring a temperature of a substrate during a drilling operation
The present invention provides a system for recording a heat exchange event within a drilled hole wall of a substrate during a drilling process. In particular, the invention includes a thermal...
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5984523 |
Method for recording the heat generated in a hole wall of a substrate during a drilling operation
The present invention provides a system for recording a heat exchange event within a drilled hole wall of a substrate during a drilling process. In particular, the invention includes a thermal...
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5981290 |
Microscale combustion calorimeter
A calorimeter for measuring flammability parameters of materials using only milligram sample quantities. The thermochemical and thermophysical processes associated with the flaming combustion of...
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5973299 |
System and method for heater control for evaporation of cryogenic fluids for cooling scientific instruments
A heater controller for allocating heaters to cool a thermal chamber of a scientific instrument evaporates cryogenic liquid to produce a coolant gas. The gas is injected into a chamber to cool a...
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5967659 |
Ultrasensitive differential microcalorimeter with user-selected gain setting
A differential calorimeter includes sample and reference cells, a thermal shield surrounding these cells, heating devices thermally coupled to the thermal shield and the cells, a temperature...
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5848094 |
Heat transmission monitoring and/or measuring apparatus
Disclosed in a heat transmission monitoring and/or measuring apparatus, namely a flow measurement apparatus, for flowing mediums. It comprises a housing (1), a heating element (2) and a temperature...
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5813764 |
Catalytic differential calorimetric gas sensor
A catalytic differential gas combustible microcalorimeter sensor for monitoring the exhaust gas conversion for monitoring the exhaust gas conversion efficiency of a catalytic converter. The...
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5813763 |
Ultrasensitive differential microcalorimeter
A calorimeter includes sample and reference cells, a thermal shield surrounding these cells, a heating device thermally coupled to the thermal shield, temperature sensors for monitoring a...
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5779363 |
Capillary calorimetric cell and method of manufacturing same
A capillary calorimetric cell comprises a solid metallic block having a plurality of channels formed therein. Each channel has first and second ends opening to a first end face and a second end...
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5779362 |
Apparatus and method of determining a characteristic related to the thermal power of a sample
A calorimeter is disclosed comprising a sample chamber (12) adapted to enclose a sample, a thermally conductive reference surface (14) surrounding and insulated from the sample chamber (12) and a...
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5741068 |
Temperature derivative sensing and regulating device and method
A temperature derivative sensing and regulating device and method is described which facilitates the maintainance of a very stable isothermal environment for an item, apparatus or facility or a...
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5718979 |
Cladding glass ceramic for use in high powered lasers
A Cu-doped/Fe-doped low expansion glass ceramic composition comprising: TBL ______________________________________ Wt. % ______________________________________ SiO 2 50-65 Al 2 O 3 18-27 P 2 O...
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5707149 |
Device and method for measuring the heat of reaction resulting from mixture of a plurality of reagents
A method for measuring the heat of reaction resulting from the mixture of a plurality of reagents comprising the steps of providing a first reagent into a compartment; providing a second reagent...
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5707148 |
Catalytic calorimetric gas sensor
Disclosed is a method to make and an apparatus for monitoring the exhaust gas conversion efficiency of a catalytic converter. The catalytic calorimetric sensor disclosed includes a sol-gel...
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5624187 |
Method and apparatus for gas flow modulated differential scanning calorimetry
A modulated differential scanning calorimeter ("MDSC") wherein the temperature of the sample and/or the reference is modulated by modulating the characteristics of a gas in thermal contact with the...
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5588746 |
Apparatus for thermal analysis
In order to carry out thermal analysis under various kinds of atmospheres, there is provided an apparatus for thermal analysis containing a sample chamber having a portion for a sample and a signal...
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5484204 |
Mechanical cooling system
The present invention is a mechanical cooling system, for use with thermal analysis instruments such as differential scanning calorimeters, which interposes a gaseous heat transfer path between the...
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5482372 |
Flow cell for calorimetric measurements
A flow cell for calorimetric measurements comprises a body (2) with at least one flow channel (3), which extends between an inlet opening (4) and an outlet opening (5), and a thermoelectric...
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5398694 |
Animal biocalorimeter and waste management system
A biocalorimeter and waste management system is provided for making metabolic heat release measurements of animals or humans in a calorimeter (enclosure) using ambient air as a low velocity source...
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5368391 |
Method and apparatus for high resolution analysis
The present invention relates to analytical methods for determining the composition of a material that undergoes a transition as a function of a driving variable. As applied to thermogravimetric...
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5360267 |
Apparatus for analyzing relaxation spectra and resonances in materials by thermal stimulated recovery
The present invention relates to an apparatus which is designed to employ thermal stimulated processes for analyzing relaxation spectra and resonances in materials. The invention is characterized...
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5356216 |
Apparatus for measuring heat of circuit module
Apparatus for measuring the heat produced by a circuit module that is mounted on a circuit board has a tubular housing of a thermally resistive material such as plastic that is adapted to be placed...
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5321719 |
Thermogravimetric apparatus
The present invention is a thermogravimetric instrument having a ceramic sample support and a ceramic balance beam. The ceramic platform is rigidly attached to the hot end of the ceramic balance...
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5312587 |
Microcalorimeters
A sensitive and stable microcalorimeter comprises a cell (1) for a sample of material to be studied and for retaining the sample. The cell walls (2) are of an inert material such as PTFE, and...
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5296374 |
Apparatus for assessing a particular property in a medium
A sensor is provided which is sensitive to a particular property of a medium and which is thermally activated when in contact with the property containing medium. The sensor is externally mounted...
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5288147 |
Thermopile differential thermal analysis sensor
A differential thermal analysis sensor consisting of two low-impedance differential thermopiles. Each thermopile consists of a series of thermocouples joined in series, with the measuring junctions...
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5255976 |
Temperature gradient calorimeter
A temperature gradient calorimeter and method of calculating heats of reactions is disclosed. The calorimeter has a two dimensional array of reaction chambers located in a thermally conductive...
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5248199 |
Method and apparatus for spatially resolved modulated differential analysis
The present invention is a spatially-resolved differential analysis technique. A modulated differential analysis technique is applied using a proximal probe to obtain a spatially resolved...
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5217305 |
Method of evaluating ceramics
For evaluating mechanical properties of ceramics such as silicon nitride in a nondestructive manner, a specific heat of ceramic test samples to be evaluated is measured at a temperature not higher...
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5174655 |
Calorimeter sensor
The invention relates to a process and an apparatus for determining the heat output rate in a reactor. This is achieved by determining the heat output rate in a sensor connected to the chemical...
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5167450 |
Calorimeter
A calorimeter comprises a laminar flow type flowmeter for measuring the volume of flow of a fuel gas as a value proportional to the difference between the pressures of the laminar flow elements and...
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5152607 |
Process for analyzing relaxation spectra and resonances in materials
The present invention relates to the use of thermal stimulated processes for analyzing relaxation spectra and resonances in materials. The process is characterized in that at least two coupled...
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5141331 |
Ultrasonic temperature measurement and uses in optical spectroscopy and calorimetry
A process and apparatus for the photothermal and/or calorimetric investigation of gaseous, liquid and solid measuring material is based on the detuning of an ultrasonic resonator (1). The latter...
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5135311 |
Convective calorimeter apparatus and method
A direct convective air flow calorimeter characterized by fast response time, high efficiency, and transient, as well as steady state, heat measurement capability. The calorimeter generally...
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5067820 |
Radionuclide calorimeter system
A circuit for measuring temperature differentials in a calorimeter is disclosed. The temperature differential between the reference element and sample element containing a radioactive material is...
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5040541 |
Whole body calorimeter
A calorimeter box accommodates a person lying on a cot. The system measures metabolic releases. The person's head extends into a transparent box-shaped duct system. Ambient air flows from the room...
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5030012 |
Pyroelectric calorimeter
A pyroelectric calorimeter including a detector having a support member with a tapered through-hole therein, a first polyester film positioned on said support member, across said through-hole, an...
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5009513 |
Method of measuring quantity of heat applied to optical fiber
In a method of measuring a quantity of heat, the distance between the position of an end of an exposed fiber portion before heating and the position of the end after heating is measured, and the...
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4995731 |
Method for measuring heat transfer coefficient and sensor including heat transfer element and thermal insulation element
A method for measuring a heat transfer coefficient between a heat transfer element and a fluid comprising a measurement of a calorific value by placing the heat transfer element into the fluid and...
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4977523 |
Apparatus for the measurement of snow quality
There are disclosed a method and an apparatus for the measurement of the ice content of snow. Ice content is directly related to the quality of the snow. The method comprises the steps of measuring...
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4968150 |
Process and arrangement for measuring the energy of a microwave pulse
In an arrangement for measuring the energy of a microwave pulse a container (2) is placed on the end of a waveguide (1). In container (2) there is an absorption liquid (3) with a given heat...
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4963499 |
Method for the calorimetry of chemical processes
A calorimeter for measuring the thermodynamic and kinetic characteristics of chemical reactions, microbial fermentations, and other processes of industrial importance is described. The present...
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