Exhaust gas purification device of internal combustion engine

Details Exhaust gas purification device of internal combustion engine Exhaust gas purification device of internal combustion engine

2008-11-07

2010-06-08

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...

C060S295000, C060S297000, C060S303000, C060S324000

Reexamination Certificate

active

07730721

ABSTRACT:
The exhaust gas purification device of an internal combustion engine of the present invention comprises an exhaust passage for guiding an exhaust gas exhausted from an engine to outside, a catalyst provided in the exhaust passage, an injection path connected on an upstream side of the catalyst in the exhaust passage, an additive injection valve installed in the injection path for supplying an additive to the catalyst through the injection path, and an inflow portion provided in a merging portion where the exhaust passage and the injection path merge for having a part of the exhaust gas flowing in the exhaust passage flow into the injection path.

REFERENCES:
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patent: 2008/0134671 (2008-06-01), Nefischer
patent: 2008/0155973 (2008-07-01), Maruyama et al.
patent: 2009/0084094 (2009-04-01), Goss et al.
patent: 2002-514495 (2002-05-01), None
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patent: 2004-44483 (2004-02-01), None
patent: 2004-353523 (2004-12-01), None
patent: 2006-77691 (2006-03-01), None
patent: 2007-146700 (2007-06-01), None

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