Exhaust after-treatment system with flow control for optimum...

Details Exhaust after-treatment system with flow control for optimum... Exhaust after-treatment system with flow control for optimum...

2007-05-25

2010-06-15

Denion, Thomas E (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

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

C060S288000, C060S292000, C060S295000, C060S297000

Reexamination Certificate

active

07735314

ABSTRACT:
A diesel engine exhaust treatment system has both a NOx reduction device and a diesel particulate filter. The system is designed to ensure that the NOx reduction device operates within its optimal temperature conditions. Using exhaust flow control valves, the exhaust flow can be directed into either the NOx reduction device first or into the diesel particulate filter first, and then into the other device, before exiting out the tailpipe.

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