System and method for detecting gas leaks

Details System and method for detecting gas leaks System and method for detecting gas leaks

2011-05-10

2011-05-10

Hannaher, Constantine (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

Reexamination Certificate

active

07939804

ABSTRACT:
A gas detection system is disclosed that uses an infrared illumination source and an infrared imaging detector. The infrared source is selected to emit at wavelengths corresponding to an absorption band of a gas to be detected. The region to be analyzed for the gas is illuminated, and the infrared radiation reflects off of local surfaces back to the imaging detector. At locations where the gas is present, the infrared radiation is absorbed which reduces the back reflection to the detector.

REFERENCES:
patent: 3032655 (1962-05-01), Romans
patent: 3925666 (1975-12-01), Allan et al.
patent: 5430293 (1995-07-01), Sato et al.
patent: 5656813 (1997-08-01), Moore et al.

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