Internal-combustion engine provided with an exhaust gas recirculation system, in particular for a vehicle
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United States of America Patent
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Nov 12, 2002
Grant Date -
Jan 17, 2002
app pub date -
May 14, 2001
filing date -
May 12, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
An internal-combustion engine, in particular for a vehicle, is provided with a plurality of cylinders and a cylinder head which defines, for each cylinder, at least one exhaust duct and at least one intake duct; the engine is further provided with an exhaust manifold communicating with the exhaust ducts, and a system for recirculating exhaust gas from the exhaust manifold to the intake ducts; the system comprises a further manifold which distributes the recirculated exhaust gases to the intake ducts and communicates with the exhaust manifold through a recirculation duct provided at least partly directly in the cylinder head which is provided with a heat exchanger for cooling the recirculated exhaust gases.
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