Exhaust gas purifying system

Details Exhaust gas purifying system Exhaust gas purifying system

2007-12-11

2011-10-11

Denion, Thomas (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

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

C060S274000, C060S295000, C060S301000, C239S533120, C239S596000

Reexamination Certificate

active

08033099

ABSTRACT:
An additive agent injection valve and a catalyst unit are formed on an exhaust gas tube in an exhaust gas purifying system. The additive agent injection valve injects urea solution into exhaust gas flowing through the exhaust gas passage. The additive agent injection valve has a first spray part having a first traveling distance and a second spray part having a second traveling distance which is longer than the first traveling distance.

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