Method and system for remote exhaust emission measurement

Details Method and system for remote exhaust emission measurement Method and system for remote exhaust emission measurement

2007-01-10

2009-06-09

Porta, David P. (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

Reexamination Certificate

active

07544943

ABSTRACT:
A remote vehicle emissions measurement system including a radiation source, an adaptable radiation detection unit and a processing unit, characterized in that the radiation source includes an infrared source, an ultraviolet source or a combination thereof; the radiation detection unit includes one or more detachable and expandable detecting elements for receiving the set of predetermined wavelength bands and producing a plurality of corresponding responses concurrently at any one time instant; and the processing unit includes one or more specific software and hardware for calculating the concentrations of various gas components thereof, the relative ratio of one gas component to the others, or the absolute emission values of each of the gas components thereof in an accurate and practicable manner.

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