| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 374010000 | DIFFERENTIAL THERMAL ANALYSIS | 33 |
| 20090016401 | COMBUSTION STATE DETERMINING APPARATUS AND METHOD FOR CATALYTIC COMBUSTION UNIT - An apparatus and method for determining a combustion state includes a catalytic combustion unit for mixing an anode off-gas discharged from a fuel pole of a fuel cell and an oxidizing agent gas, and having a catalytic unit for performing combustion processing. An upstream temperature detecting unit detects a gas temperature at an upstream side of the catalytic unit, and a gas-phase combustion determining unit compares at least one of the gas temperature detected by the upstream temperature detecting unit and a rate of upstream temperature increase with a determining reference value to determine if gas-phase combustion occurs at the upstream side of the catalytic unit. | 01-15-2009 |
| 20090034579 | Differential Scanning Calorimeter (DSC) With Temperature Controlled Furnace - A differential scanning calorimeter apparatus includes reference and sample cells and controlled temperature shields. The temperature of the shields is controlled such that baseline curvature is reduced by eliminating heat flow from the furnaces to their surroundings (quasi adiabatic conditions) and by controlling heat flow through a well defined solid state heat resistance between the furnaces and a temperature controlled heat sink. The temperature of each shield can be controlled independently to reduce differential heat flow over the whole temperature range of the scan, or maintained at a constant temperature for conventional power compensated DSC operation. The temperature/time profile for each shield can be controlled according to actual furnace temperature, obtained from an empty run, or stored in the computer memory and recalled for sample measurements. | 02-05-2009 |
| 20090052494 | SENSOR FOR THERMAL ANALYSIS AND SYSTEMS INCLUDING SAME - Certain embodiments disclosed herein are directed to a sensor comprising a support member, a sample sensor coupled to the support member and comprising a sample support electrically coupled to a first set of interconnects, and a reference sensor coupled to the support member and comprising a ring coupled to a second set of interconnects, in which the ring is positioned adjacent to and surrounding at least a portion of the sample support of the sample sensor. | 02-26-2009 |
| 20090067471 | TEMPERATURE SENSING CIRCUIT AND ELECTRONIC DEVICE USING SAME - A temperature sensing circuit that detects a given temperature includes a first differential input circuit and a second differential input circuit connected to the first differential input circuit. The first differential input circuit is configured to provide a first offset voltage with no temperature coefficient. The second differential input circuit is configured to provide a second offset voltage with a non-zero temperature coefficient. The given temperature is detected based on the first offset voltage and the second offset voltage. An electronic device using such a temperature sensing circuit is also disclosed. | 03-12-2009 |
| 20090122828 | METHOD FOR IDENTIFYING A BIOMOLECULE - A method for identifying a biomolecule using a biomolecule detector having a field effect transistor (FET) is provided. The method comprises the steps of (a) heating a sample containing a biomolecule loaded in the detector to thereby elevate the temperature of the sample; (b) measuring electric current flowing through a channel formed between a source region and a drain region in the FET while raising the temperature in the step (a); (c) obtaining a transition temperature that is the temperature at maximum point of current variation from data measured in the step (b); and (d) identifying the biomolecule using the transition temperature obtained in the step (c). | 05-14-2009 |
| 20100220764 | Differential scanning calorimeter - The differential scanning calorimeter includes: a heat sink, which stores a measuring sample and a reference material; a heater, which heats the heat sink; a cooling block, which is separated away from the heat sink, and positioned below the heat sink; a thermal resistor, which is connected between the heat sink and the cooling block, and forms a heat flow path therebetween; a cooling head, which is detachably fitted to the cooling block, and is cooled by an external cooling device; and differential heat flow detectors, which output a temperature difference between the measuring sample and the reference material as a heat-flow-difference signal, in which: the cooling block forms a side wall to fit the bore of the cooling head outward from the joint of the thermal resistance body; the top surface of the cooling head is lower than the joint. | 09-02-2010 |
| 20100278209 | SIMULTANEOUS DIFFERENTIAL THERMAL ANALYSIS SYSTEM - A balance for a simultaneous differential thermal analysis instrument that combines gravimetric measurements with measurements that require propagation of electrical signals from the sample holder to an apparatus for recording the electrical signals. In one embodiment of the invention, conductive flat planar strip flexure pivots are used in a single-meter movement balance to mechanically and electrically couple the components of the balance mechanism to the apparatus that records the electrical signals. | 11-04-2010 |
| 20110188534 | DIFFERENTIAL SCANNING CALORIMETER - A differential scanning calorimeter ( | 08-04-2011 |
| 20120177081 | VALIDATION OF CRYOGENICALLY TREATED ARTICLES - Embodiments validate cryogenic processing of metal-matrix validation articles according to destructive and/or non-destructive testing of witness articles. For example, validation can certify that the validation article has undergone a particular cryogenic treatment protocol, resulting in validated and/or certified enhancements in wear characteristics, resistance to corrosion, increases in electrochemical bonding of surface treatments, increases in theoretical useable lifespan, etc. According to some embodiments, processing results are validated by generating witness results from destructive and/or non-destructive testing of the witness articles subsequent to deep-cryogenic treatment. The processing (e.g., including witness results and/or analysis thereof) may then be entered into a computer-controlled, parametric analysis system that generates absolute and comparative validation and/or certification of the validation articles. | 07-12-2012 |
| 20130208759 | Thermal Analysis Sample Holder - A sample holder for use in a scientific instrument requiring accurate and precise measurements of temperatures. The sample holder includes a ceramic sample cup diffusion bonded to a ceramic beam or to a ceramic adapter. A thermocouple is welded to the bottom of the sample cup. | 08-15-2013 |
| 20130336355 | Thermoanalysis Device - A device for thermal analysis. This device includes at least one thermoanalytical measurement device and at least one infrared spectrometer, wherein the infrared spectrometer is fully integrated into the thermoanalytical measurement device. The thermoanalytical measurement device and the at least one infrared spectrometer are connected to one another by a lift-swivel unit. The at least one infrared spectrometer is disposed above the thermoanalytical measurement device. | 12-19-2013 |
| 20140092935 | MEMS-BASED CALORIMETER, FABRICATION, AND USE THEREOF - MEMS-based calorimeter including two microchambers supported in a thin film substrate is provided. The thin film substrate includes a thermoelectric sensor configured to measure temperature differential between the two microchambers, and also includes a thermally stable and high strength polymeric diaphragm. Methods for fabricating the MEMS-based calorimeter, as well as methods of using the calorimeter to measure thermal properties of materials, such as biomolecules, or thermodynamic properties of chemical reactions or physical interactions, are also provided. | 04-03-2014 |
| 20140204971 | Method for performing a differential thermal analysis - A method for conducting a differential thermal analysis, in which a sample disposed in a temperable sample space is tempered according to an essentially linear temperature program extending from a start temperature to an end temperature, such that, from the result of a measurement of the sample temperature conducted during tempering at a number of measurement time points, a DTA signal is calculated as the difference between a measured sample temperature and a reference temperature calculated according to a temperature curve model. According to the invention, for every measurement time point, the relevant reference temperature is calculated by the following steps: (a) establish a time interval containing the relevant measurement time point; (b) calculate a non-linear adjustment function for the measured sample temperature curve in the time interval; and (c) calculate the reference temperature as a value of the adjustment function for the measurement time point. | 07-24-2014 |
| 20140254623 | DIFFERENTIAL CARRIER TEMPERATURE SENSING METHOD - A method of sensing an internal temperature of a differential carrier includes providing a differential carrier temperature sensing package with an electronic circuit board having a first temperature sensor that is in thermally conductive contact with a thermal conductor, where the thermal resistance of the package and thermal conductor is given and known as R | 09-11-2014 |
| 20140334515 | METHOD FOR CHARACTERIZING AN ETHYLENE AND VINYL ACETATE COPOLYMER - The present invention relates to a process for characterizing a copolymer of ethylene and vinyl acetate (EVA) using a differential calorimetry analysis technique. This process consists in determining one or more values of characteristic(s) of said sample of EVA copolymer, one of which is a level of crosslinking of said sample. | 11-13-2014 |
| 20140362887 | Differential Temperature Sensor with Sensitivity Set by Current-Mirror and Resistor Ratios without Limiting DC Bias - A differential on-chip temperature sensor circuit can be implemented in a standard complementary metal-oxide-semiconductor (CMOS) process using PNP transistors. A pair of transistors have collector currents that are sensitive to voltage, both directly and due to saturation currents. A scaling resistor connects to the emitter of one transistor and its voltage compared to the other transistor's emitter voltage by an error amplifier that generates a bias voltage to current sources that are proportional to absolute temperature since the saturation current sensitivity is subtracted out. The current is mirrored to sink current through a multiplier resistor from an output. An amplifier connected across the multiplier resistor compares a reference voltage to set the DC bias independent of temperature sensitivity. The temperature sensitivity is proportional to the ratio of the multiplier resistor and the scaling resistor, and is multiplied by a mirroring factor. A differential output is provided. | 12-11-2014 |
| 20150362382 | Method For Determining The Fuel Temperature - A method is provided for determining the fuel temperature in the high-pressure zone of a fuel injection system of a motor vehicle. The fuel injection system has at least one injector operated by a servo valve which is actuated by means of a piezo actuator. After an injection process has been carried out, the piezo actuator is discharged after the injection has ended in such a way that the servo valve can close, but a non-positive connection remains between the piezo actuator and the servo valve. This condition of reduced charge is maintained. The pressure oscillation of the actuator voltage resulting from this is recorded and from this the hydraulic natural frequency of the enclosed high-pressure volume of fuel is deduced. The prevailing fuel temperature can be determined from the natural frequency. | 12-17-2015 |
| 20160025661 | FLOW-MEASURING DIFFERENTIAL CALORIMETER - A differential calorimeter with flux measurement to measure a heat flux emitted by radioactive materials contained in a container, including: a measurement cell including measurement plates distributed around a container reception containment; and a reference cell including reference plates and a reference sample. The reference plates are placed behind the measurement plates from the container when the container is in the reception containment and the reference sample is under the reception containment. | 01-28-2016 |
| 374011000 | Detail of electrical heating control | 11 |
| 20080279249 | THERMAL ANALYSIS APPARATUS - A thermal analysis apparatus possesses a temperature sensor measuring a temperature of a heating furnace inside, a temperature program setter which can set a temperature program and outputs a temperature program signal, a temperature control section adjusting a supply electric power to a heater in compliance with a difference between the temperature program signal and a detection signal of the temperature sensor, a processor section calculating an air flow rate corresponding to a program temperature, and a mass flow controller which adjusts an air flow rate supplied to the heating furnace inside in compliance with a signal of the air flow rate calculated by the processor section. In the processor section, operation expressions calculating the air flow rate are set so as to differ respectively in a higher temperature side and a lower temperature side than a predetermined boundary temperature. | 11-13-2008 |
| 20080304540 | SYSTEM AND METHOD FOR THERMAL ANALYSIS USING VARIABLE THERMAL RESISTANCE - A thermal measurement apparatus and method for performing heat flux differential scanning calorimetry (DSC) is disclosed. A variable thermal resistor is used to couple a measurement assembly to a heat sink in the thermal measurement apparatus, such that samples can be rapidly heated and rapidly cooled. The apparatus can be configured with a highly conductive sample assembly enclosure. The enclosure can include a high emissivity coating. In one embodiment, the enclosure extends along a longitudinal direction that is about the same as that of an infrared lamp assembly used to heat the enclosure, thereby increasing the efficiency of heating the sample enclosure. In one configuration, the variable thermal resistor comprises a gap whose gas composition can be varied during a sample measurement to independently optimize sample heating and cooling rates. | 12-11-2008 |
| 20090175310 | Platen Temperature Model - The input energies provided to a print head of a thermal printer are adjusted based on the temperature of a platen in the thermal printer. The platen temperature may be measured by a sensor or predicted by a platen temperature model. Such a model may derive the predicted platen temperature from an observed temperature of a heat sink in the thermal printer. A thermal history control algorithm may use the platen temperature, whether actual or predicted, to compensate for the platen temperature by adjusting the input energies. | 07-09-2009 |
| 20090190625 | APPARATUS, SYSTEM, AND METHOD FOR DETECTING FAN ROTATION DIRECTION IN ELECTRONIC DEVICES - An apparatus, system, and method are disclosed for determining fan rotation direction. A first temperature detection module detects a first temperature at a first location between a fan and a heat generating device. The fan provides cooling for the heat generating device by drawing air from the heat generating device across the first location to the fan when the fan is rotating in a first direction. A second temperature detection module detects a second temperature at a second location where the heat generating device is between the second location and the fan such that heat from the heat generating device is drawn away from the second location when the fan is rotating in the first direction. A temperature comparison module determines if the second temperature is above the first temperature. A fan rotation error module generates a fan rotation error signal if the second temperature is above the first temperature. | 07-30-2009 |
| 20090310644 | THERMOANALYTICAL INSTRUMENT - A thermoanalytical instrument, and especially a differential scanning calorimeter, has first and second measurement positions, a heater and a temperature sensor associated with each of the measurement positions, and a controller. The controller, which has an associated means for setting a predetermined temperature program, controls a heating power of the first heater to cause the temperature measured at the first position to follow the temperature program. The controller also controls both heaters to eliminate any temperature difference between the measured first and second temperatures. The controller also provides a means for determining the lower of the measured first and second measured temperatures and applies additional power to the heater associated with that lower measured temperature. | 12-17-2009 |
| 20100046573 | CALORIMETER AND METHODS OF USING IT AND CONTROL SYSTEMS THEREFOR - Control systems and calorimeters using them are provided. In certain examples, a calorimeter comprising a thin film sample sensor, a thin film reference sensor, a first controller configured to receive a temperature signal from only the reference sensor and to generate a first control signal, based on the received temperature signal, to provide average power to the sample sensor and to the reference sensor, and a second controller configured to receive temperature signals from both the sample sensor and the reference sensor and to generate a second control signal, based on the temperature signals received from both the sample sensor and the reference sensor, to provide differential power to only the sample sensor is described. Methods using the control systems and calorimeters are also described. | 02-25-2010 |
| 20110007775 | Differential Adiabatic Compensation Calorimeter and Methods of Operation - The differential adiabatic compensation calorimeter comprises sample and reference containers, sample and reference temperature sensors connected back-to-back, in series, sample and reference compensating heaters coupled to the sample and reference containers, and a temperature-controlled chamber. In this differential adiabatic mixing and reaction calorimeter, the sample heat-sink heat loss to the sample container is compensated so that the exothermic reaction is conducted in an adiabatic state, resulting in an undistorted adiabatic process gaining the highest adiabatic temperature rise that corresponds to the theoretical value and an experimentally measured time to maximum rate value. The calorimeter is designed for measuring the time-resolved adiabatic temperature rise, the rate of temperature rise, the time to maximum temperature peak and time to maximum rate of an exothermic chemical reaction. | 01-13-2011 |
| 20110013663 | THERMAL ANALYSIS METHOD AND APPARATUS - Thermal analysis method, particularly for determining the heat capacity of body, or its derivative with respect to temperature, or a latent heat, said method comprising differential measurement of a physical parameter between two samples ( | 01-20-2011 |
| 20140146846 | DETECTING SYSTEM AND METHOD FOR DETECTING FAN FAILURE - A detecting method for detecting fan failure in an electronic device is provided. The electronic device includes at least one fan and an air inlet structure. A first sensor is mounted on a central processing unit (CPU) and senses a first temperature value. A second sensor is mounted on the air inlet structure and senses a second temperature value. The detecting method includes steps of acquiring the first temperature value and the second temperature value; calculating a power value of the CPU; calculating a thermal resistance value based on the acquired first temperature value, the acquired second temperature value and the power value of the CPU; determining whether the calculated thermal resistance value is more than a predetermined thermal resistance value; and generating fan failure information when the calculated thermal resistance value is more than a predetermined thermal resistance value. | 05-29-2014 |
| 20140146847 | THERMO-ANALYTICAL INSTRUMENT - A thermo-analytical instrument, especially a differential scanning calorimeter has a sample position ( | 05-29-2014 |
| 20140233601 | THERMOANALYTICAL INSTRUMENT - A thermoanalytical instrument, and especially a differential scanning calorimeter, has first and second measurement positions, a heater and a temperature sensor associated with each of the measurement positions, and a controller. The controller, which has an associated means for setting a predetermined temperature program, controls a heating power of the first heater to cause the temperature measured at the first position to follow the temperature program. The controller also controls both heaters to eliminate any temperature difference between the measured first and second temperatures. The controller also provides a means for determining the lower of the measured first and second measured temperatures and applies additional power to the heater associated with that lower measured temperature. | 08-21-2014 |
| 374012000 | Detail of sample holder or support therefor | 4 |
| 20090310645 | SAMPLE TEMPERATURE CONTROL METHOD - A method of stably controlling the temperature of a sample placed on a sample stage to a desired temperature by estimating a sample temperature accurately, the sample stage including a refrigerant flow path to cool the sample stage, a heater to heat the sample stage, and a temperature sensor to measure the temperature of the sample stage. This method comprises the steps of: measuring in advance the variation-with-time of supply electric power to the heater, temperature of the sample, and temperature of the temperature sensor, without plasma processing; approximating the relation among the measured values using a simultaneous linear differential equation; estimating a sample temperature from the variation-with-time of sensor temperature y | 12-17-2009 |
| 20110235671 | Thermal analyzer - To improve measurement accuracy by eliminating influence of a change of a temperature environment around a furnace of a thermal analyzer, the thermal analyzer includes a multilayer structure of at least two sealed layers for covering the furnace and its surroundings so as to isolate the furnace and its surroundings from an outside. An interlayer of the multilayer structure is loaded with a substance having a heat capacity equal to the heat capacity of a gas inside the furnace. | 09-29-2011 |
| 20160047700 | Thermopile Differential Scanning Calorimeter Sensor - A heat flow sensor for a heat flux differential scanning calorimeter comprising twin thermopiles. The thermopiles each comprise positive and negative thermocouple alloys and electrically insulating ceramic components. Diffusion bonding is used to form thermocouple junctions in the thermopiles between the positive and negative thermocouple elements, and to attach the thermocouple elements to the ceramic components. | 02-18-2016 |
| 374013000 | Formed by thermoelectric element | 1 |
| 20120250723 | System And Method For Thermal Analysis - A system for thermal analysis, including a sample crucible on a sample side and a reference crucible on a reference side in a measurement chamber, where the sample cup and the reference cup are each provided with a Peltier system for adjusting the temperature and/or for detecting the temperature. | 10-04-2012 |
