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Class 374/43 - DETERMINATION OF INHERENT THERMAL PROPERTY (E.G., HEAT FLOW COEFFICIENT)


Subclass of Class 374 - Thermal measuring and testing
Definition: Subject matter for ascertaining a specimen"s ability
No. of patents: 275
Last issue date: 05/29/2012


1              
NumberTitleIssue Date
8186873Determination of thermal resistance using infrared thermography
Various techniques are provided for determining thermal resistance values of building materials through the use of infrared cameras. In one example, an infrared camera may be used to capture one or more infrared images of a wall. Using temperatures obtained from the...
05/29/2012
8136981Heat transfer evaluating apparatus
Disclosed is a heat transfer evaluation apparatus of a nano-fluid including: a long pipe formed as a circular pipe; a rubber tube connected to one end of the long pipe to surround the outer surface of the long pipe; a short pipe communicated through the rubber tube;...
03/20/2012
8083399Method for fabricating thermal effect standards
A method for fabricating thermal effect standards includes providing an oven, placing at least one temperature sensor at measurement location in the oven, operating the oven, monitoring a temperature output of the at least one temperature sensor, providing at least ...
12/27/2011
8042993Air-cooled power electronics service algorithm
A method for determining the thermal efficiency of a heat sink for an electrical component includes determining an estimated temperature of the heat sink, determining an actual temperature of the heat sink, and determining a thermal efficiency of the heat sink based...
10/25/2011
8042994Specific heat meter with improved accuracy
The accuracy of instruments used to measure the specific heat of heat transfer fluids is limited by the accumulation of bubbles, debris or loose surface films on an active measurement surface. Accumulated bubbles, debris or loose film may be reduced or eliminated by...
10/25/2011
7934868Thermal sensor and measurement device using the same
A thermal sensor in which, when an object to be measured is a water-based liquid, attachment of air bubbles to the external surface of the sensor is reduced to improve measurement accuracy. The thermal sensor has a sensing element (21a) including a hea...
05/03/2011
7854547Bidirectional and expandable heat flow measurement tool for units of air cooled electrical equipment
A tool is disclosed, for measuring the important thermal characteristics of a unit of electronic equipment, which obtains air flow and temperature readings at both air inlet and air outlet openings of the unit without disturbing cable or wiring connections or otherw...
12/21/2010
7841766Metal surface temperature measuring instrument
A metal surface temperature measuring device includes: a container to contain a coolant; a measurement target; a heater to heat the measurement target; a moving mechanism for moving the measurement target; and a thermometer to measure the surface temperature of the ...
11/30/2010
7726874Method and device for determining the capacity of a heat exchanger
A method and arrangement for determining the capacity of a heat exchanger is provided. The effective heat transfer coefficient for the heat exchanger is calculated from the measured inlet and outlet temperatures of the product and the measured inlet and outlet tempe...
06/01/2010
7712956Method and device for determining specific heat capacity
The specific heat capacity (cp) of a medium is determined using a calorimeter with a reactor (1), a stirrer (3), a first thermostat for providing an inner heat balance, a second thermostat, means for providing an outer heat balance and a cen...
05/11/2010
7690838Thermal properties measurement apparatus
A thermal property measurement apparatus capable of directly measuring thermal conductivity distribution in a ROI within a target only by measuring the temperature distribution that already exists in the ROI without generating other temperature fields artificially. ...
04/06/2010
7682071Measuring apparatus
A measuring apparatus is provided. The measuring apparatus includes i) a point temperature sensor that has a tip and measures a temperature of an object, ii) a laser that heats the tip of the point temperature sensor by emitting a laser beam, iii) an optical member ...
03/23/2010
7651261System and method for thermal inspection of parts
A method of thermal inspection of a part having at least one internal cavity is provided. The method includes flowing a fluid through the at least one internal cavity. The method also includes measuring a temperature at one or more locations on the part over time. T...
01/26/2010
7637654Specific heat measuring method and instrument
In order to measure specific heat, the measurement time is very long and the instrument is very expensive. The specific heat may be calculated based on the thermal time constant obtained from the change of the sample temperature when the predetermined amount of samp...
12/29/2009
7549790Measuring apparatus for thermal resistance of heat dissipating device
A measuring apparatus for measuring the thermal resistance of a heat dissipating device, the heat dissipating device includes a fan and a heat sink. The measuring apparatus includes a base, and a fixing member. The base receives a heat element and the heat sink ther...
06/23/2009
7549789Method and apparatus for thermographic nondestructive evaluation of an object
A method and system for determining thermal diffusivity and porosity of an article are provided. The method comprises heating a surface of the article, capturing image data corresponding to an evolution of lateral heat flow from the surface of the article, applying ...
06/23/2009
7470058Method and device for a thermoanalytical material analysis
Substance analysis based upon observed reponse to excitation described herein. When a substance is subjected to an excitation and a response is observed, a relational evaluation is made based on the concept that the parameters of a mathematical model may be determin...
12/30/2008
7445379Device for measuring heat transfer characteristics of fluid material
A device includes a measuring assembly, a fluid pressure assembly, and a manometer. The measuring assembly includes a heating member defining a first contact surface, a cooling member defining a second contact surface facing the first contact surface, a platform, an...
11/04/2008
7440852Stochastic analytical solution to quantify the earth's subsurface heat flow
An analytical closed form solution to mean and variance in heat flow is obtained by solving the stochastic heat conduction equation incorporating randomness in the thermal conductivity. The method has a wide range of applications in quantifying the thermal state of ...
10/21/2008
RE40470Body function measuring apparatus
Body function measuring apparatus which provides: (1) an indication of the body function being measured, and (2) a loose probe condition by determining that the difference between the rate of change of a first body function signal, developed by a first sensor in the...
08/26/2008
7407325Method and apparatus for measuring thermophysical properties
The present invention provides a method for measuring thermophysical properties that includes: rapid resistive self-heating of a specimen by using a heating current; emitting a light to the specimen heated by the rapid resistive self-heating of the specimen; measuri...
08/05/2008
7399118Thermal gas flowmeter comprising a gas quality indicator
The invention relates to a method and a device for measuring a gas consumption by means of a gas meter. A gas meter with thermal mass flow sensor for determining mass flow signals (SM) and with a calibration as energy meter for outputting energy value sig...
07/15/2008
7377152Method and device for determining a characteristic value that is representative of the condition of a gas
The invention relates to a device and methods for characterizating flowing substances, liquid or gas. The device includes: a transport duct with a heating or a cooling element; a temperature difference sensor having a temperature measurement cell downstream of the h...
05/27/2008
7364354Method and system for measuring the thermal diffusivity
The present invention concerns a method and a system for measuring the thermal diffusivity. Said method comprises the steps of: subjecting a surface region of an object to a modulated heating beam (3) while providing a signal (MLS) thereof, the heated spot or...
04/29/2008
7362105Integrated microstructure sensor element for detecting thermodynamic variables of a fluid
An integrated microstructure sensor element is proposed for detecting thermodynamic measured variables of a fluid. To that end, a supporting body, particularly a board or a wafer having at least one microstructured heating element in contact with the fluid during op...
04/22/2008
7358606Apparatus to compensate for stress between heat spreader and thermal interface material
A device and method identify and compensate for tensile stress due to heat-caused expansion and contraction between an integrated heat spreader and thermal interface material. This device and method change the shape of the integrated heat spreader based upon the ide...
04/15/2008
7354269Electro-optical device for the photo-polymerization of composite material
The invention relates to an electro-optical device for the photo-polymerization of composite material, and is used in particular in the dental field. The inventive device comprises a light source (2) which is defined by an LED or a group of LEDs. It comprises...
04/08/2008
7338202Ultra-high temperature micro-electro-mechanical systems (MEMS)-based sensors
Novel micro electro mechanical systems (MEMS)-based sensors for use in ultra-high temperature environments are disclosed. The MEMS-based sensors are derived from a class of polymer-derived ceramics selected from the group consisting of SiCN, SiBCN and SiAlCN. The ma...
03/04/2008
7339143Expanding system using plasma discharge
The present invention relates to an expansion system using a plasma discharge in which in which a charged electric energy is fast discharged, so that a high pressure is generated within liquid based on an impact wave, which can be used in various industrial fields a...
03/04/2008
7329043Thermal properties testing apparatus and methods
An apparatus for testing properties of a product comprising a thermal barrier layer comprises an ignition source, a test stand that extends a sample of the product over the ignition source, and a means for measuring thermal transfer across the sample. The apparatus ...
02/12/2008
7325971Method and apparatus for locating hydrocarbon deposits
A method and apparatus for locating hydrocarbon deposits includes temperature 16 sensor for measuring earth surface temperature at each of a plurality of locations, and a solar absorption sensor 14 for measuring the absorption coefficient of the earth'...
02/05/2008
7316505Method of defining the emission coefficient of a surface to be heated
A method of defining the emission coefficient of a surface to be heated by measuring the temperature of a heating surface and the flow of heat from the heating surface to a surface to be heated to derive a pair of values representative thereof and of selecting a pre...
01/08/2008
7315767Impedance spectroscopy based systems and methods
One aspect of the invention provides a device that non-invasively determines the concentration of a substance in a target. The device includes a first electrode, a measuring circuit, and a data processor. In one embodiment of the device, the first electrode can be e...
01/01/2008
7313501Method and system for determining the location of a potential defect in a device based on a temperature profile
According to one embodiment of the invention a method for determining the location of a potential defect in a device includes scanning a surface of the device with a temperature sensor while operating the device. The method also includes measuring a temperature of t...
12/25/2007
7311264Method and device for the process regulation or control of thermal load changes of an obstruction-curved and/or thick-walled component through which a medium flows in a thermal system
The novel method and device provide for process control—closed-loop control or open-loop control—for a thermal system with an obstruction-curved and/or thick-walled component through which a medium flows. The wall temperatures of the component are detected, the ...
12/25/2007
7300203Non-contacting sensor multichip module with integral heat-sinks
A sensor assembly having a housing including a first portion and a second portion. One of the portions of the housing includes a plurality of walls. The walls at least partially define a chamber. The assembly also includes a hinge connected to the first portion and ...
11/27/2007
7299701Compressive fatigue and energy test apparatus and method for testing clutch plate friction materials
The present invention presents a means for simultaneously testing the compressive strength and measuring the thermal energy dissipated by a given friction material during slip. The testing apparatus includes a rotatable flywheel that rotates a transmission reaction ...
11/27/2007
7273316Device and method for thermogravimetrically testing the behavior of a solid material
A method for thermogravimetrically testing the behavior of a solid material in the presence of a controlled gaseous atmosphere, characterized in that a plurality of samples (10) are placed in the presence of the gaseous atmosphere inside the same controlled a...
09/25/2007
7261461Measuring and trimming circuit components embedded in micro-platforms
There is described a method and sub-circuit to measure temperature coefficients (coefficient of variation of a measurable parameter of the component), by using a thermally-isolated silicon micro-platform with a mass of mono-crystalline silicon suspended from it. The...
08/28/2007
7256058Device and method for package warp compensation in an integrated heat spreader
A device and method for designing and manufacturing an integrated heat spreader so that the integrated heat spreader will have a flat surface on which to mount a heat sink after being assembled into a package and exposed to the heat of a die. This device and method ...
08/14/2007
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