Electric heating – Heating devices – With power supply and voltage or current regulation or...
Patent
1998-10-20
2000-12-05
Walberg, Teresa
Electric heating
Heating devices
With power supply and voltage or current regulation or...
374 1, 374 31, H05B 102
Patent
active
061570095
ABSTRACT:
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 reaction. The heater control algorithm of the present invention comprises a calibration stage in which the heater is tuned to the particular test conditions at hand, and a test stage in which the heater may control the sample in a ramping mode and in an adiabatic mode. Because the sample may be tested in an adiabatic mode, greatly improved sensitivity in detection of reaction onset may be achieved, and measured data is truly adiabatic and need not be adjusted for analysis. The present invention further comprises a calorimeter apparatus having a foam detector for detecting the presence of foam in the test sample.
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Fauske Hans K.
Marco Maria Estrel
Pena Jose Angel
Santamaria Jesus
Tellez Pedro
Dahbour Fadi H.
Fauske and Associates, Inc.
Fitzsimons Tom R.
Walberg Teresa
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