Method of controlling recirculation of the exhaust gas of an...

Details Method of controlling recirculation of the exhaust gas of an... Method of controlling recirculation of the exhaust gas of an...

2007-01-09

2007-01-09

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

C123S568130

Reexamination Certificate

active

11082787

ABSTRACT:
The present invention relates to a method of controlling recirculation of part of the exhaust gas of an internal-combustion supercharged engine with a combustion cycle during which at least one cylinder (10) of the engine is in the intake phase simultaneously with at least one other cylinder (14) in the exhaust phase, the cylinders comprising at least one intake means (18) with an intake valve (20) and at least one exhaust means (24) with an exhaust valve (26), said engine further comprising an exhaust manifold (32) connecting said exhaust means.According to the invention, the method consists, when the engine works with a lean fuel mixture, in controlling opening of the exhaust valve (26) of cylinder (10) in the intake phase so as to introduce part of the exhaust gas coming from cylinder (14) in the exhaust phase and contained in manifold (32).

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