Class / Patent application number | Description | Number of patent applications / Date published |
374029000 | HEAT FLUX MEASUREMENT | 38 |
20080291966 | Thermal conductivity detector (TCD) having compensated constant temperature element - A thermal conductivity detector (TCD) includes a detector cell body having a plurality of fluid cavities, at least one detector element associated with each of the plurality of fluid cavities, and a control circuit associated with each of the at least one detector elements, wherein the control circuit varies the power to the at least one detector element to maintain the at least one detector element at a constant temperature. Power compensation and temperature compensation are also provided to minimize temperature variation of the body of the TCD cell. | 11-27-2008 |
20090074027 | HEAT FLUX SENSOR INCORPORATING LIGHT CONVEYANCE - A device that may utilize radiant energy emitted from a process to formulate heat flux information about the process. The light emitted from the process may be transmitted by a low loss light conveyance component to a heat flux sensing component situated remotely from the process. The process light energy may then be converted into heat energy by a high emissivity material coupled to the heat flux sensing component. The light conveyance component may further include an angular sensitivity corrector to increase the efficiency of light absorption. | 03-19-2009 |
20090097525 | Method of Estimating Temperature of Gas Mixture for Internal Combustion Engine - In a gas mixture temperature estimation method for an internal combustion engine, before a forefront portion of a gas mixture reaches an inner wall surface of the combustion chamber, the gas mixture temperature is calculated in accordance with a predetermined equation which is based on the assumption that no head exchange occurs between the gas mixture and cylinder interior gas which exists around the gas mixture without mixing with fuel. After the gas mixture forefront portion reaches the inner wall surface of the combustion chamber, the gas mixture temperature calculated in accordance with the equation is corrected in consideration of the quantity of heat transfer between the gas mixture and the cylinder interior gas and the quantity of heat transfer between the gas mixture and the wall. | 04-16-2009 |
20090154520 | METHOD AND DEVICE FOR DETERMINING SPECIFIC HEAT CAPACITY - The specific heat capacity (c | 06-18-2009 |
20090219969 | SUBSTRATE SURFACE TEMPERATURE MEASUREMENT METHOD, SUBSTRATE PROCESSING APPARATUS USING THE SAME, AND SEMICONDUCTOR DEVICE MANUFACTURING METHOD - The expansion amount of a substrate ( | 09-03-2009 |
20090290614 | NANO-COMPOSITES FOR THERMAL BARRIER COATINGS AND THERMO-ELECTRIC ENERGY GENERATORS - A nano-composite material having a high electrical conductivity and a high Seebeck coefficient and low thermal conductivity. The nano-composite material is capable of withstanding high temperatures and harsh conditions. These properties make it suitable for use as both a thermal barrier coating for turbine blades and vanes and a thermoelectric generator to power high temperature electronics, high temperature wireless transmitters, and high temperature sensors. Unique to these applications is that the thermal barrier coatings can act as a temperature sensor and/or a source of power for other sensors or high temperature electronics and wireless transmitters. | 11-26-2009 |
20100158069 | Micro heat flux sensor array - Provided is a micro heat flux sensor array having reduced heat resistance. A micro heat flux sensor array may include a substrate, a plurality of first sensors formed on a first side of the substrate, and a plurality of second sensors formed on a second side of the substrate. Each of the plurality of first and second sensors may include a first wiring pattern layer of a first conductive material, a second wiring pattern layer of a second conductive material contacting the first wiring pattern layer, and an insulating layer in contact with the first and second wiring patterns. | 06-24-2010 |
20100195694 | Heat Flow Measurement Tool for a Rack Mounted Assembly of Electronic Equipment - A rack mount assembly measurement tool, for determining physical values including air flow and heat loads, includes a front assembly and a rear duct assembly that are non-intrusively and releasably mounted on the front and rear of such rack mount enclosure. Physical values are sensed at multiple vertical locations to enable a determination of overall and localized heat loads within the enclosure. Front sensor values are collected and wirelessly transmitted from the front assembly to a receiver/processor supported on the rear duct, which generates computed values that are displayed in addition to the sensed values. | 08-05-2010 |
20100215074 | HEAT FLOW SENSOR - Heat flow sensor having at least two plates with the heat (thermo) sensitive elements and with holes (openings) for the passage of air flow, so that the tops of both plates with the thermo sensitive elements are placed facing the outer surface of the sensor, so that their openings coincide and the construction provides passage of air through the openings whereby the thermo sensitive elements are located between all the holes of the plates and serially connected on every plate, and then the said sensor (plates) has one common point of connection in the middle of each side so that each sensor has at least three output wires—the total, the output of each plate, and therefore the magnitude and direction of the heat flow, are determined by the difference between the outputs of the two earlier described plates. | 08-26-2010 |
20110096807 | DEPOSITION SENSOR BASED ON DIFFERENTIAL HEAT TRANSFER RESISTANCE - A system and method are disclosed wherein differential heat transfer resistances are used to effectively and efficiently detect the early onset of deposit accumulation in industrial fluid processes and fluid transport vehicles. | 04-28-2011 |
20110122913 | THERMAL ANALYSIS DEVICE - A thermal analysis device comprising a replaceable sensor that can be contacted via a contact element of an electrical contacting means, a heating element and a cooling element. The contact element(s) is thermally connected with the heating element and can be heated essentially independently of the operating state of the cooling element even when no sensor is mounted to the device. | 05-26-2011 |
20110268147 | THERMAL ANALYSIS - Techniques for determining one or more heat transfer characteristic values of a structure, such as an electronic device, are disclosed. A heat flux vector magnitude and a temperature gradient vector magnitude for a portion of the structure are determined, and a product of the heat flux vector magnitude with the temperature gradient vector magnitude is obtained. More particularly, the dot product of the heat flux vector magnitude with the temperature gradient vector magnitude may be obtained to provide a bottleneck heat transfer characteristic value. Alternately or additionally, a cross product (or related operation) of the heat flux vector magnitude with the temperature gradient vector magnitude is obtained to produce a shortcut heat transfer characteristic value. | 11-03-2011 |
20110317737 | ZERO HEAT FLUX TEMPERATURE SENSING DEVICE - The invention relates to a zero heat flux temperature sensing device ( | 12-29-2011 |
20120128024 | TEMPERATURE MEASURING DEVICE - In order to improve precision in measuring a deep body temperature by suppressing a heat flux in a plane direction while achieving satisfactory contact between a temperature sensing element and a skin, there is provided a temperature measuring device ( | 05-24-2012 |
20120250724 | TEMPERATURE SENSITIVE BODY, OPTICAL TEMPERATURE SENSOR, TEMPERATURE MEASUREMENT DEVICE, AND HEAT FLUX MEASUREMENT - A temperature sensitive body 102 used as a target of an optical temperature measurement, includes an inclusion 202 having an optical property related to an irradiated light varies with a change in temperature, and a light-transmissive outer shell member | 10-04-2012 |
20130039381 | METHOD AND EQUIPMENT FOR CHARACTERIZING THE SURFACE OF SOLID MATERIALS - The aim of the invention is to improve the surface characterization of solid materials, facilitating the implementation thereof, while producing reliable and accurate results. The method of the invention comprises the following steps:
| 02-14-2013 |
20130058376 | METHOD AND DEVICE FOR CHARACTERIZING SOLID MATERIALS, AND METHOD AND INSTALLATION FOR DETERMINING A THERMODYNAMIC CHARACTERISTIC OF PROBE MOLECULES - The invention proposes an improvement in the characterization of solid materials, by making it easier to be implemented while obtaining reliable and accurate results. According to the method in accordance with the invention;
| 03-07-2013 |
20130083821 | APPARATUS AND METHOD FOR MEASURING HEAT FLUX FROM RADIANT HEATER - A method of measuring heat flux received on a selected area from a radiant tube heater includes providing an enclosing wall along side edges of the selected area and the radiant tube heater having a radiant heating tube mounted above the area. A heat flux sensor whose operating temperature can be regulated is used and is placed on a grid formed on the selected area, this grid defining a plurality of side-by-side sensor locations, each corresponding respectively to an area covered by one heat flux sensor. The heat flux received at each sensor location is measured and the sensor is moved sequentially from one sensor location to an adjacent sensor location after each measurement. | 04-04-2013 |
20130215927 | DEVICE FOR MEASURING A HEAT FLUX - The invention relates to a device for measuring a heat flux, comprising a thermopile formed of a plurality of thermojunctions of distributed type. The device is formed of a first and a second ceramic substrate (Ce | 08-22-2013 |
20130223473 | HEAT FLUX GAUGE WITH MICRO-SCALE TEMPERATURE SENSORS - An apparatus for measuring temperature parameters of a structure is provided. The apparatus comprises: a carrier including at least one receiving portion; and a plurality of temperature sensors disposed within the at least one receiving portion and secured to the receiving portion via a bonding medium, the sensors being distributed along at least one direction of the carrier and configured to measure and record temperature information through microstructural changes corresponding to temperatures experienced by the respective sensors. | 08-29-2013 |
20130259083 | DETERMINING THE HEAT FLOW EMANATING FROM A HEAT TRANSPORTING FLUID - The invention relates to a method for determining the heat flow (dQ/dt) emanating from a heat transporting fluid ( | 10-03-2013 |
20140036951 | Device for Measuring or Determing a Characteristic of a Heat Flow Exchanged Between a First Medium and a Second Medium | 02-06-2014 |
20140050246 | THERMAL INSULATION PERFORMANCE MEASUREMENT APPARATUS AND MEASUREMENT METHOD USING THE SAME - A thermal insulation performance measurement apparatus which measures thermal insulation performance of a thermal insulator by heat flux to the thermal insulator, measured by a heat flux sensor, and a measurement method using the same includes a heat flux sensor provided with one surface adapted to contact an object to be measured, a first heat source arranged on the upper surface of the heat flux sensor to supply heat to the heat flux sensor, a thermal insulator arranged on the upper surface of the first heat source, a third heat source arranged on the upper surface of the thermal insulator, and a second heat source arranged around the heat flux sensor. | 02-20-2014 |
20140079089 | Insulation Test Cryostat with Lift Mechanism - A multi-purpose, cylindrical thermal insulation test apparatus is used for testing insulation materials and systems of materials using a liquid boil-off calorimeter system for absolute measurement of the effective thermal conductivity (k-value) and heat flux of a specimen material at a fixed environmental condition (cold-side temperature, warm-side temperature, vacuum pressure level, and residual gas composition). The apparatus includes an inner vessel for receiving a liquid with a normal boiling point below ambient temperature, such as liquid nitrogen, enclosed within a vacuum chamber. A cold mass assembly, including the upper and lower guard chambers and a middle test vessel, is suspended from a lid of the vacuum canister. Each of the three chambers is filled and vented through a single feedthrough. All fluid and instrumentation feedthroughs are mounted and suspended from a top domed lid to allow easy removal of the cold mass. A lift mechanism allows manipulation of the cold mass assembly and insulation test article. | 03-20-2014 |
20140269818 | Heat Flow Measurement Device And Method - A heat flow measurement device is disclosed with an outflow conduit having an outflow fluid space and an outflow heat transfer surface and also with an inflow conduit having an inflow fluid space and an inflow heat transfer surface. The inflow heat transfer surface is thermally coupled to the inflow conduit and the outflow heat transfer surface is thermally coupled to the outflow conduit. A thermoelectric material is located between the inflow heat transfer surface and the outflow heat transfer surface and generates a signal that is proportional to the heat flux between the inflow conduit and the outflow conduit. | 09-18-2014 |
20140286373 | Thermal Resistance Measuring Device - Contemplated devices and methods allow for simple and accurate measurement of static and dynamic heat flux and heat capacity of a structure in situ. Especially preferred devices and methods use a thermally equilibrated housing that encloses a thermoelectric sensor and an associated microprocessor and external temperature sensor. | 09-25-2014 |
20140348201 | DETERMINING SENSIBLE HEAT FLUX WITHOUT CALIBRATION - By correcting temperature measurements above a surface (such as the ground) for the first-order filtering associated with the thermal inertia of a temperature sensor (such as a thermocouple) that performed the temperature measurements, the heat flux conveyed from the surface by air can be accurately determined without requiring a calibration procedure. Instead, a predefined calibration value may be used. This predefined calibration value may be a function of a size of the temperature sensor and/or a distance between the temperature sensor and the ground. Moreover, the predefined calibration value may have a fixed value for a given size of the temperature sensor. In addition, the measurement of the heat flux conveyed from the surface can be used to accurately determine the residual heat flux that vaporizes water from the surface without a calibration procedure. | 11-27-2014 |
20150010037 | RESTRICTIONS ON THE VALIDITY OF THERMAL CONDITIONS AT A POROUS FLUID INTERFACE AND ITS APPLICATIONS - A method and system for analyzing variant thermal conditions at the porous-fluid interface under LTNE condition is disclosed. Exact solutions can be derived for both the fluid and solid temperature distributions for the most fundamental forms of thermal conditions at the interface between a porous medium and a fluid under LTNE conditions and the relationships between these solutions are obtained. The range of validity of all the models can be analyzed. Also, a critical non-dimensional half height of the porous media is determined, below which the LTE condition within porous region is considered to be valid. Furthermore, the range of validity of the LTE condition can be obtained based on the introduction of a critical parameter. | 01-08-2015 |
20150308906 | HEAT FLOW SENSOR - A heat flow sensor (WFS) and use thereof, which heat flow sensor should have the lowest possible invasiveness and nevertheless is robust enough to satisfy the requirements of individual applications. For this purpose, the heat flow sensor includes an active sensor element, which is provided with a highly thermally conductive heat-conducting element ( | 10-29-2015 |
20150346042 | Directional Slug Calorimeter for Heat Flux Measurements - A directional slug calorimeter is provided to enable accurate non-isotropic heat flux measurement in a high-temperature environment. The slug calorimeter includes a tubular member; a plurality of slots formed along a portion of an axial length of the tubular member, insulation disposed within the tubular member and within the plurality of slots; and thermocouples disposed with a thermocouple junction. The plurality of slots divide the tubular member into discrete segments. The thermocouples are disposed in a central region of each of the discrete segments. | 12-03-2015 |
20160069828 | HAND-HELD TEST METER WITH INTEGRATED THERMAL CHANNEL - A hand-held test meter includes an electrically and thermally insulating case (“ETIC”) with an outwardly facing surface, a test meter electrical component (“TMEC”) with a thermal contact portion disposed within the electrically-insulating case, and at least one thermal channel. The thermal channel includes a proximal contact portion with a proximal contact surface, a distal contact portion with a distal surface, and a channel portion connecting the proximal contact portion and the distal contact portion. The thermal channel is integrated with the ETIC such that the thermal channel extends through the ETIC from the outwardly facing surface and to the thermal contact portion of the TMEC. The extension is such that the proximal contact surface of the thermal channel is outside of the ETIC and the distal surface of the thermal channel is in contact with the thermal contact portion of the TMEC. The thermal channel is thermally conductive and electrically-insulating. | 03-10-2016 |
20160103024 | DETERMINING THE DEGREE OF HEAT TREATMENT OF A LIQUID PRODUCT - A method for determining the degree of heat treatment of a liquid product in a liquid product processing system involves measuring at least a first value representing the temperature of the liquid product within a first time period; measuring at least a second value representing the flow of the liquid product within the first time period; and calculating at least a first heat treatment index value based on the first and second values, wherein the heat treatment index value is associated with a current degree of heat treatment of the liquid product. | 04-14-2016 |
20160252407 | HEAT FLOW METER AND ELECTRONIC DEVICE | 09-01-2016 |
20220136912 | METHOD FOR MEASURING HEAT DISSIPATION OF ELECTROMECHANICAL DEVICE - A method for measuring heat dissipation of electromechanical device includes: S | 05-05-2022 |
374030000 | By differential temperature measurement along undisturbed thermal gradient | 4 |
20100111133 | METHODS AND APPARATUS FOR MEASURING TEMPERATURE AND HEAT FLUX IN A MATERIAL USING ULTRASOUND - Methods and apparatus for measuring heat flux in a material are disclosed. A disclosed example method involves emitting an acoustic signal into the material and determining a first propagation time associated with the propagation of the acoustic signal through the material. A first heat flux value indicative of a first heat flux of the material is then determined based on the first propagation time. | 05-06-2010 |
20120243571 | HEAT FLUX MEASUREMENT APPARATUS AND HEAT FLUX MEASUREMENT METHOD - A heat flux measurement apparatus | 09-27-2012 |
20150085896 | Method and equipment for measuring the heat flow through constructions - Method and equipment for measuring the heat flow (J) through a construction (K) having a thickness (D), where a temperature difference (ΔT) is formed transversely through the thickness of the construction. According to the invention, at least two temperature sensors (G | 03-26-2015 |
20150292961 | HEAT FLUX SENSOR AND METHOD FOR MANUFACTURING SAME - A heat flux sensor to be attached to a hole portion formed in the surface of an object includes a body portion having an outer circumferential face that faces an inner circumferential face of the hole portion, and an exterior end face being flush with the surface of the object. The body portion is formed with a plurality of bored holes that extends from an outer face other than the exterior end face of the body portion, with respective tips of the bored holes being arranged on the same normal line of the exterior end face. The heat flux sensor is further provided with a plurality of heat sensors that have wiring lines leading to the outer face of the body portion through the bored holes, and a filling material that fills the bored holes to seal the heat sensors. | 10-15-2015 |