G - Physics – 05 – D
Patent
G - Physics
05
D
150/26, 341/32
G05D 23/19 (2006.01) G01N 30/30 (2006.01) G05D 23/24 (2006.01)
Patent
CA 1195909
AN ANALYTICAL INSTRUMENT THERMOELECTRIC TEMPERATURE REGULATOR Abstract A temperature control system used to precisely and accurately control the temperature of a fluid stream in an analytical system designed for investigation of the chemical constituents of the fluid stream. One example of use is in chromatography such as for the chromatographic column in an amino acid analyzer system. The temperature control system utilizes a set of thermo- electric modules to transfer heat between a thermocon- ductive block which holds the chromatographic column and an air exchange heat sink which obtains heat from or disposes heat into ambient air as required. The control system regulates the temperature at a very rapid rate in order to minimize the recycle time of the instrument.
416649
Ehret Robert J.
Stephens Donald E.
Beckman Instruments Inc.
Macrae & Co.
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