Reducing no.sub.x emissions from an engine by temperature-contro

Details Reducing no.sub.x emissions from an engine by temperature-contro Reducing no.sub.x emissions from an engine by temperature-contro

1998-10-13

2000-05-16

Dunn, Tom

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

423212, 423235, B01J 800

Patent

active

060633506

ABSTRACT:
A safe, reliable SCR system for reducing NO.sub.x emissions from a lean-burn internal combustion engine utilizes urea in aqueous solution. A modular assembly is provided for mounting inside a urea reagent tank enables controlled feeding an aqueous urea solution to an injector. The assembly includes a reagent quality sensor, a reagent temperature sensor, a reagent level sensor and a pump.

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