Gas concentration sensing device

Details Gas concentration sensing device Gas concentration sensing device

1977-10-17

1979-10-23

Kucia, Richard R.

Electrical resistors

Resistance value responsive to a condition

Gas, vapor, or moisture absorbing or collecting

73 23, 73 27R, 204195S, 422 98, G01N 2728

Patent

active

041722477

ABSTRACT:
A gas concentration sensing device has a plate type sensing element which is equipped with first and second electrodes which are exposed to first and second gases, respectively. A chamber is formed adjacent to the sensing element so that the leaked first gas is introduced into the chamber so as to prevent the leaked first gas from contacting the second electrode.

REFERENCES:
patent: 2787903 (1957-04-01), Beard
patent: 2811037 (1957-10-01), Beard
patent: 3738341 (1973-06-01), Loos
patent: 3768259 (1973-10-01), Carnahan
patent: 3819500 (1974-06-01), Esdonk
patent: 3844920 (1974-10-01), Burgett
patent: 3864628 (1975-02-01), Klass
patent: 3869370 (1975-03-01), Sayles
patent: 3935089 (1976-01-01), Togawa
patent: 4033170 (1977-07-01), Kawamura

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