System for measuring NOx content of exhaust gas

Details System for measuring NOx content of exhaust gas System for measuring NOx content of exhaust gas

2007-09-04

2007-09-04

Tran, Binh Q. (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

By means producing a chemical reaction of a component of the...

C060S274000, C060S277000, C060S287000, C060S292000, C060S297000, C060S301000, C073S118040

Reexamination Certificate

active

10855811

ABSTRACT:
A system for measuring NOx content of an exhaust gas produced includes at least one controllable valve operable to direct exhaust gas to a NOx sensor only when measurement of the NOx content is desired and to otherwise expose the NOx sensor to ambient air. A control circuit controls the operation of the at least one valve and determines the NOx content of the exhaust gas based on sensory data received from the NOx sensor.

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