Exhaust gas recirculation arrangement
AssigneeDaimlerChrysler AG
InventorsRudiger Pfaff, Joachim Wiltschka, Franz Bender
Life of this patent
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Abstract
In an exhaust gas recirculation arrangement for an internal combustion engine with an air intake duct for supplying air to the engine, an exhaust gas recirculation pipe extending into the air intake duct for recirculation exhaust gas to the air intake duct and a disc valve arranged in the exhaust gas recirculation pipe for closing the exhaust gas recirculation pipe, the exhaust gas recirculation pipe has a pipe section which extends in the air intake duct in a downstream direction from the disc valve and has, at its downstream end, a nozzle-like discharge opening for discharging exhaust gas into the air intake duct.
Claims16
An exhaust gas recirculation arrangement for an internal combustion engine, said arrangement comprising:
- an air intake duct for supplying air to said engine, an exhaust gas recirculation pipe extending into said air intake duct for recirculating exhaust gas to said air intake duct, a disc valve arranged in said recirculation pipe for closing said recirculation pipe, said disc valve including a valve shaft extending transversely through said air intake duct, said exhaust gas recirculation pipe having a pipe section extending in said air intake duct in downstream direction from said disc valve and having a converging end portion forming a nozzle structure with a discharge opening leading to said air intake duct and being disposed centrally within said intake duct.
Dependencies are inferred from the claim text.