Gas leakage detector

Details Gas leakage detector Gas leakage detector

1980-03-21

1983-01-25

Kazenske, Edward R.

Measuring and testing

Gas analysis

By vibration

340634, G08B 1710, G01N 3100

Patent

active

043696473

ABSTRACT:
A gas leakage detector comprising a solid state gas sensor having a sintered metallic oxide block which changes thermal conductivity by chemical adsorption thereto and a wire for transforming thermal conductivity charges into an electric signal. A suction pump draws gas through a gas intake path to the gas sensor. A voltage-frequency converter generates a pulse frequency that is a function of the gas sensor voltage. An alarm indicator including sound and/or light is controlled to pulse by the output pulse of the voltage frequency converter.

REFERENCES:
patent: 2582859 (1952-01-01), Centofanti
patent: 3311455 (1967-03-01), Robinson
patent: 3370457 (1968-02-01), Lemm
patent: 3786675 (1974-01-01), Delatorre et al.
patent: 3950739 (1976-04-01), Campman
patent: 4166380 (1979-09-01), Batz
patent: 4219806 (1980-08-01), Enemark

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