US 12,104,966 B2
Adiabatic power compensation differential scanning calorimeter
Frank L. Wu, Stafford, TX (US)
Filed by Frank L. Wu, Stafford, TX (US)
Filed on Jun. 21, 2021, as Appl. No. 17/352,755.
Application 17/352,755 is a continuation of application No. 16/993,802, filed on Aug. 14, 2020, granted, now 11,047,748.
Prior Publication US 2022/0049995 A1, Feb. 17, 2022
Int. Cl. G01N 25/00 (2006.01); G01K 17/04 (2006.01); G01N 25/48 (2006.01)
CPC G01K 17/04 (2013.01) [G01N 25/482 (2013.01); G01N 25/4826 (2013.01); G01N 25/4866 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An adiabatic power compensation differential scanning calorimeter for measuring true adiabatic temperature rise and temperature rate of a self-heating reaction process, the adiabatic power compensation differential scanning calorimeter comprising:
a sample container configured to house a sample material;
a sample compensating heater block isothermally coupled to and enclosing the sample container;
a sample temperature sensor configured to measure a temperature of the sample container,
a reference container configured to house a reference material or none;
a reference compensating heater block isothermally coupled to the reference container;
a reference temperature sensor configured to measure a temperature of the reference container;
at least one furnace configured to adiabatically shield the sample compensating heater block from the reference compensating heater block during a preprogrammed temperature ramp and a self-heating temperature ramp of the sample material; and
a heat compensation control and measurement system configured to:
provide ramp-up heating power to heat the sample container and the reference container based on a preprogrammed temperature ramp rate;
provide container-only compensating heat to the sample container to block heat transfer from the sample material to the sample container once a self-heating activity of the sample material is detected, and allow the temperature of the sample material to depart from the preprogrammed temperature ramp rate and self-propel to reaction completion; and
provide compensating heat to the reference container to facilitate container-only compensating heat calculation and control.