GAS ANALYZER BASED ON PIEZOELECTRIC SENSITIVE ELEMENTS Russian patent published in 2006 - IPC G01N27/12 

Abstract RU 2267775 C2

FIELD: investigating or analyzing materials.

SUBSTANCE: gas analyzer comprises housing made of a cylinder, which is provided with two lids having holders for twelve piezoelectric sensors arranged over periphery and provided with different film coatings made of sorbents for fixing the principal components of the gas mixture, and device for excitation of vibration and receiving signals from the piezoelectric sensors. The branch pipes for supplying and discharging gas mixture are arranged along the horizontal axis of symmetry of the housing and provided with the polyurethane spacers and detachable plugs. The lids are connected with the cylindrical housing via the thread.

EFFECT: simplified method of analysis and expanded functional capabilities.

3 dwg, 1 tbl

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RU 2 267 775 C2

Authors

Kuchmenko Tat'Jana Anatol'Evna

Dates

2006-01-10Published

2004-03-04Filed