Internal-combustion engines – Charge forming device – Exhaust gas used with the combustible mixture
Reexamination Certificate
2005-08-30
2005-08-30
Gimie, Mahmoud (Department: 3747)
Internal-combustion engines
Charge forming device
Exhaust gas used with the combustible mixture
C123S568230
Reexamination Certificate
active
06935320
ABSTRACT:
An exhaust gas flow management assembly for an exhaust gas recirculation system including an intake conduit, an exhaust conduit in fluid communication with the intake conduit, and a closing member. The intake conduit includes an inner surface defining a fluid passageway and a recirculation opening in the inner surface. The closing member is movably mounted in the fluid passageway and has a first position where the closing member blocks fluid communication between the intake conduit and the exhaust conduit, and a second position where the closing member extends into the fluid passageway of the intake conduit at an angle relative to a plane including the recirculation opening and opens fluid communication between the intake conduit and the exhaust conduit. When fluid is flowing through the intake conduit and the exhaust conduit, a change in an amount of fluid flowing from the exhaust conduit into the intake conduit is less than 5% of a total amount of fluid flowing in the intake conduit when the angle is less than 10 degrees.
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Castro Arnold
Gimie Mahmoud
Siemens VDO Automotive Inc.
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