Chemistry: electrical and wave energy – Apparatus – Electrolytic
Patent
1989-11-24
1992-06-16
Niebling, John
Chemistry: electrical and wave energy
Apparatus
Electrolytic
G01N 2726
Patent
active
051222558
ABSTRACT:
An atmosphere control system, including, a standard gas supplying device for supplying a gas of a determined composition, an oxygen concentration controlling device connected to the standard gas supplying device for adjusting oxygen concentration of the gas of the determined composition, an atmosphere holding device connected to the oxygen concentration controlling device for receiving the oxygen concentration adjusted gas, and an oxygen concentration measuring device arranged at the upstream side of the atmosphere holding device between the standard gas supplying device and the oxygen concentration controlling device or between the oxygen concentration controlling device and the atmosphere holding device or at the downstream side of the atmosphere holding device for measuring oxygen concentration in the gas at the position of the oxygen concentration measuring device is provided. The present system can provide gases of low oxygen concentration, easily and precisely control oxygen concentration in the gas of the system, and prevent oxidization of articles in treating thereof in the atmosphere holding device.
REFERENCES:
patent: 3860498 (1975-01-01), Jones
Kikuchi Toru
Noda Makoto
Bell Bruce F.
NGK Insulators Ltd.
Niebling John
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