Gas sensor and gas detecting method

Details Gas sensor and gas detecting method Gas sensor and gas detecting method

1984-12-18

1987-11-03

Fields, Carolyn E.

Radiant energy

Invisible radiant energy responsive electric signalling

Including a radiant energy responsive gas discharge device

250384, 324469, G01N 2300

Patent

active

047045361

ABSTRACT:
A gas sensor and a method for detecting a small amount of a gas such as CO contained in air entering a space between electrodes ionized by a radiation source. At least one radiation source is provided for ionizing at least a part of the space between the electrodes disposed so as to oppose each other and a radio d/x of a distance d cm between the electrodes to a field strength x V/cm of the ionized space is set to be 0.4 or more so as to obtain a change in the ionic current sufficient to realize gas sensing based on the formation of cluster ions within the ionized space.

REFERENCES:
patent: 2968730 (1961-01-01), Morris et al.
patent: 3028490 (1962-04-01), Guilleux
patent: 3361908 (1968-01-01), Petitjean et al.
patent: 3665441 (1972-05-01), Suchomel et al.
patent: 3735138 (1973-05-01), Rork et al.
patent: 4280052 (1981-07-01), Solomon

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