Exhaust gas control device for internal combustion engines

Details Exhaust gas control device for internal combustion engines Exhaust gas control device for internal combustion engines

2006-03-07

2006-03-07

Denion, Thomas (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

Having exhaust gas collection and storage, or use as a...

C060S278000, C060S297000, C060S298000

Reexamination Certificate

active

07007459

ABSTRACT:
Disclosed herein is an exhaust gas control device for internal combustion engines. The exhaust gas control device has a main exhaust pipe (3) communicating with an exhaust manifold (2) used for guiding exhaust gas discharged from a combustion chamber (1) of an engine, a catalytic converter (6) arranged on a predetermined position of the main exhaust pipe (3) for purifying unburnt fuel discharged with the exhaust has and having a plurality of sequentially arranged catalyst units (6a,6b,6c), and an unburnt fuel collection tank (8) provided with a plurality of cooling fins (9) and connected to the catalytic converter (6) through a branch pipe (7). The collection tank (8) collects purified unburnt fuel after the unburnt fuel is treated by the catalytic converter (6) so as to remove noxious materials therefrom.

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