Exhaust system for an internal combustion engine provided...

Details Exhaust system for an internal combustion engine provided... Exhaust system for an internal combustion engine provided...

2011-04-26

2011-04-26

Tran, Binh Q (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

Material from exhaust structure fed to engine intake

C060S295000, C060S297000, C060S311000, C060S605200

Reexamination Certificate

active

07930877

ABSTRACT:
An exhaust system for an internal combustion engine, which is provided with a feeding pipe of fresh air to an intake manifold and with a turbocharger arranged along the feeding pipe; the exhaust system displays: an emission pipe for releasing the exhaust gases produced by the internal combustion engine into the atmosphere; at least one gas treatment device, which is arranged along the emission pipe and consists of an oxidizing catalyzer and an anti-particulate filter; and a recirculation circuit, which displays a recirculation pipe which is regulated by a recirculation valve and connects the emission pipe downstream of the treatment device to the intake pipe upstream of a compressor of the turbocharger to introduce into the intake pipe a certain amount of exhaust gases present in the emission pipe; along the recirculation pipe a filter consisting of a metallic mesh arranged to close the recirculation pipe is arranged.

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European Search Report mailed May 22, 2007 in European Appln. No. 06425854.4-2311.

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