Matches 151 - 191 out of 191 < 1 2 3 4
Match Document Document Title
4283935 Device for measuring thermal conductivity of liquid  
A device for measuring thermal conductivity of a desired sample liquid, even of a transparent or hot sample liquid, on the basis of thermal diffusion to the sample liquid from a small and thin...
4255962 Method and means of rapidly distinguishing a simulated diamond from natural diamond  
A simulated diamond such as crystalline cubic zirconia, which has optical properties very similar to natural diamond and so is difficult to distinguish optically from natural diamond, is...
4236403 Means and techniques useful in establishing R values in insulation  
The R value of heat insulation already in situ in a wall of a building structure which has already been subjected to climatic hot and cold conditions is established under transient conditions that...
4232543 Device for measuring thermal conductivity of liquids  
An apparatus for measuring thermal conductivity of a desired sample liquid, even of a transparent sample liquid, on the basis of thermal diffusion to the sample liquid from a small and thin metal...
4220039 Fluid temperature compensator circuit for a thermal gauge probe  
A circuit including an amplifier and resistance thermal device is interposed in and supplements the heat dissipation measuring circuit of a fluid thermal gauge probe for detecting the actual...
4155244 Apparatus for determining thermal conductivity of materials  
A method and apparatus for measuring thermal conductivity of materials is provided. A test specimen is placed intermediate a hot plate and a cold plate, and a heat flow sensing means is placed...
4126033 Determination of thermal conductances of bonding layers in infrared photoconductor arrays  
A method for determining in situ the thermal conductances of bonding layers of detectors in infrared detector arrays for quality selection of preferred detector arrays. Each detector of the array...
4080821 Electric circuits  
An electric circuit includes three matched resistance thermometer sensors and is responsive to changes in rate of heat loss from at least one of them. The sensors are connected in a series-parallel...
4059982 Apparatus for the measurement of thermal properties of biomaterials  
Appropriate heating and temperature sensing means are immersed in a medium the thermal conductivity, k, and thermal diffusivity, α, of which are to be determined both in the presence of and in the...
3987660 Method of determining thermal conductivity of fiber insulation  
A method is disclosed for the determination of the thermal conductivity of low density matted inorganic fiber insulating bodies by transmission of visible light through such bodies. The method is...
3971246 Method and apparatus for measuring the coefficient of thermal conductivity of a sample  
The coefficient of thermal conductivity of any sample can be measured without any pre-processing to the sample by putting an electric heater and a thermo-electric couple between a block made of...
3938383 Method and apparatus for detecting the thermal characteristics of a subsurface formation in situ  
A method and apparatus for detecting the thermal characteristics of a subsurface formation in situ wherein a borehole has been drilled from the earth's surface, including inserting a known volume...
3733887 METHOD AND APPARATUS FOR MEASURING THE THERMAL CONDUCTIVITY AND THERMO-ELECTRIC PROPERTIES OF SOLID MATERIALS  
A METHOD AND APPARATUS FOR MEASURING THE THERMAL CONDUCTIVITY, SURFACE HEAT TRANSFER COEFFICIENTS AND THE THERMO-electric power of materials, involving the employment of the Peltier effect to...
3683671 MEASURING SYSTEM INCLUDING THERMAL CONDUCTIVITY DETECTOR MEANS  
A reference thermal conductivity detector and a measuring thermal conductivity detector are connected in different branches of an electrical bridge circuit. The bridge is excited at one power node...
3672205 DETERMINATION OF HEAT TRANSFER THROUGH FLUIDS  
A method is provided for determining the heat transfer properties of a fluid which comprises filling the space between two concentric geometrically similar objects with the fluid to be tested, the...
3668927 BOREHOLE THERMAL CONDUCTIVITY MEASUREMENTS  
A system for making thermal conductivity measurements in dry boreholes. A probe having a temperature sensor, a heater, and expander means is inserted into a borehole. The expander means is actuated...
3662587 THERMAL CONDUCTIVITY APPARATUS  
An apparatus for determining the thermal conductivity of solid propellant samples. The apparatus includes a vessel having a heaVy copper base plate for providing a heat source to one side of a...
3566233 METHOD AND APPARATUS FOR MEASURING IMPEDANCE OF A CONDUCTING MEDIUM WITH A CALEBRATED PROBE  
A technique and apparatus for measuring a quantity in a field associated with the transport of energy in a medium by introducing a transducer bearing probe to the medium, employing an external...
3552185 THERMAL CONDUCTIVITY APPARATUS  
3533274 APPARATUS AND METHOD FOR DETERMINING THERMAL CONDUCTIVITY  
3521476 METHOD AND APPARATUS FOR MEASURING THERMAL CONDUCTIVITY  
3382704 Corbino disk magneto-thermal conductivity device  
3279239 Method and apparatus for measurement of thermal conductivity  
3266290 Measurement of thermal conductivity  
3263485 Apparatus for determining thermal conductivity  
3257840 Apparatus for comparative determination of thermal conductivity  
3242716 Apparatus for measuring thermal conductivity  
3165915 Determination of thermal properties of materials  
3142979 Apparatuses for measuring the coefficient of thermal conductivity of solid materials  
3114255 Thermal conductivity apparatus  
3106085 Measurement of thermal conductivity  
3075377 Apparatus for determining thermal conductivity of materials  
3045473 Apparatus for measuring thermal conductivity  
3007333 Gas analyzer apparatus  
2988718 Detecting probe  
2951360 Thermal conductivity testing  
2937335 Apparatus for evaluating quenching media  
2937334 Heat transfer testing apparatus  
2878669 Apparatus for determining thermal conductance and resistance  
3572093 Title is not available  
3611786 Title is not available  
Matches 151 - 191 out of 191 < 1 2 3 4