Electricity: measuring and testing – Using ionization effects – For analysis of gas – vapor – or particles of matter
Patent
1985-10-11
1988-02-09
Eisenzopf, Reinhard J.
Electricity: measuring and testing
Using ionization effects
For analysis of gas, vapor, or particles of matter
73 23, 422 83, G01N 2762
Patent
active
047243945
ABSTRACT:
A device for gas detection through ion mobility segregation by mobility ranges includes a flow tube through which a sample of atmospheric air with possible contaminant gases flow. Ions formed of gases in the air and the possible contaminant gases are segregated by ion mobility range in either a first, second or subsequent electric field positioned along the flow tube. The ions are collected on an anode or cathode of each electric field. The ions of the gases striking an anode or cathode by charge transfer induce a detection current, the measure of which indicates the presence of gases of interest. A method for detecting a gas by ion mobility segregation is also described.
REFERENCES:
patent: 4114088 (1978-09-01), Laws
patent: 4456883 (1984-06-01), Bullis et al.
Bowers William D.
Chuan Raymond L.
Langer Scott R.
Steele Michael F.
Brunswick Corporation
Eisenzopf Reinhard J.
Mueller Robert W.
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