Temperature control system

Details Temperature control system Temperature control system

1976-03-01

1977-09-06

Queisser, Richard C.

Measuring and testing

Gas analysis

Gas chromatography

165156, G01N 3108

Patent

active

040459985

ABSTRACT:
A chromatographic analyzer for use in an explosive atmosphere is provided with a double-walled, dual passage helix heat exchanger. A heat exchange fluid, such as steam, is passed through one passage of the helix. A second fluid, such as air, is passed through the second passage and discharged into the insulated chamber of the chromatograph through the interspaces of the helix configuration.

REFERENCES:
patent: 1554654 (1925-09-01), Priser
patent: 2136813 (1938-11-01), Dolison
patent: 3285055 (1966-11-01), Reinecke
patent: 3290482 (1966-12-01), Dodd et al.
patent: 3385101 (1968-05-01), Roof
patent: 3477501 (1969-11-01), Van Es
patent: 3585842 (1971-01-01), Roof
patent: 3722583 (1973-03-01), Fiedler

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