Infrared gas spectrometer having sealed sections for improved sa

Details Infrared gas spectrometer having sealed sections for improved sa Infrared gas spectrometer having sealed sections for improved sa

1997-08-29

1998-09-01

Glick, Edward J.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250343, 250239, 340605, 600532, G01N 2101, G01N 2135

Patent

active

058013849

ABSTRACT:
An infrared spectrometer for anesthetic gas monitoring using an infrared light source is divided into two separately sealed sections. A partition wall separating the two sections contains a partition window allowing infrared light to pass from the infrared source into a sealed sample chamber. In case of a failure of the sealed sample chamber the gas does not come into contact with the infrared source, thereby minmizing the risk of possible explosion. A gasket of neoprene or butyl rubber is used to seal the two sections from one another. The signal produced by the spectrometer indicating the composition of the sample gas is monitored to alert the user of a single point failure at the seal of the sample chamber.

REFERENCES:
patent: 4147431 (1979-04-01), Mann
patent: 4982089 (1991-01-01), Johnson
patent: 5510612 (1996-04-01), Scofield et al.

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