Calorimeter

Details Calorimeter Calorimeter

1981-03-02

1983-08-16

Goldstein, Herbert

Thermal measuring and testing

Calorimetry

Heat value of combustion

G01K 1700, G01N 2516

Patent

active

043988369

ABSTRACT:
A calorimeter vessel includes a base for supporting a bomb thereon and a downwardly concavely opening container sealably engaging the base. The base includes a water supply system permitting a common water supply to supply water to three such vessels which include water level detecting sensors also permitting automatic filling of the vessels. In the preferred embodiment the vessel is filled in two stages providing rapid yet precise filling of each of the vessels. In one embodiment of the invention a microprocessor control circuit is employed for sampling temperature data within each of the vessels during an analysis to ascertain beginning and ending temperatures and for calculating the resultant heat of combustion of a sample. The microprocessor also is employed to automatically control the filling and emptying of the vessel and the firing of the sample containing calorimeter bomb.

REFERENCES:
patent: 550943 (1895-12-01), Carpenter
patent: 1103915 (1914-07-01), Junkers
patent: 1247998 (1917-11-01), Parr
patent: 3285053 (1966-11-01), Mazieres
patent: 3456490 (1969-07-01), Stone
patent: 3593577 (1971-07-01), Monner
patent: 3599666 (1971-08-01), Curtis et al.
patent: 3650306 (1972-03-01), Lancaster
patent: 3978325 (1976-08-01), Goldstein et al.
Shin et al., "Precision Isoperibol Calorimeter with Data Acquisition and Processing" in Review of Scientific Inst., vol. 46, #8, pp. 1043-1046, 8/75.
Aitken et al., "New Design of a Vacuum Jacket Precision Combustion Calorimeter" in Review of Scientific Inst., vol. 25, #10, 10/54, pp. 967-970.

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